diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..63afcbc --- /dev/null +++ b/.editorconfig @@ -0,0 +1,15 @@ +root = true + +[*] +charset = utf-8 +end_of_line = lf +indent_size = 4 +indent_style = space +insert_final_newline = true +trim_trailing_whitespace = true + +[*.go] +indent_style = tab + +[{Makefile, *.mk}] +indent_style = tab diff --git a/.github/logo.png b/.github/logo.png new file mode 100644 index 0000000..1064268 Binary files /dev/null and b/.github/logo.png differ diff --git a/.github/workflows/.editorconfig b/.github/workflows/.editorconfig new file mode 100644 index 0000000..7bd3346 --- /dev/null +++ b/.github/workflows/.editorconfig @@ -0,0 +1,2 @@ +[*.yml] +indent_size = 2 diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 0000000..d0718af --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,34 @@ +name: CI + +on: + push: + branches: + - master + pull_request: + +jobs: + build: + name: Build + runs-on: ubuntu-latest + strategy: + matrix: + go: ['1.11', '1.12', '1.13', '1.14'] + env: + VERBOSE: 1 + GOFLAGS: -mod=readonly + GOPROXY: https://proxy.golang.org + + steps: + - name: Set up Go + uses: actions/setup-go@v2 + with: + go-version: ${{ matrix.go }} + + - name: Checkout code + uses: actions/checkout@v2 + + - name: Lint + run: make lint + + - name: Test + run: make test diff --git a/.gitignore b/.gitignore index 01b5c44..8962508 100644 --- a/.gitignore +++ b/.gitignore @@ -1,29 +1,5 @@ -# Compiled Object files, Static and Dynamic libs (Shared Objects) -*.o -*.a -*.so - -# Folders -_obj -_test - -# Architecture specific extensions/prefixes -*.[568vq] -[568vq].out - -*.cgo1.go -*.cgo2.c -_cgo_defun.c -_cgo_gotypes.go -_cgo_export.* - -_testmain.go - -*.exe -*.test -*.bench - -.vscode - -# exclude dependencies in the `/vendor` folder -vendor +/.idea/ +/bin/ +/build/ +/var/ +/vendor/ diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..a0755ce --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,27 @@ +linters-settings: + golint: + min-confidence: 0.1 + goimports: + local-prefixes: github.com/spf13/viper + +linters: + enable-all: true + disable: + - funlen + - maligned + + # TODO: fix me + - wsl + - gochecknoinits + - gosimple + - gochecknoglobals + - errcheck + - lll + - godox + - scopelint + - gocyclo + - gocognit + - gocritic + +service: + golangci-lint-version: 1.21.x diff --git a/.travis.yml b/.travis.yml deleted file mode 100644 index 22a8a00..0000000 --- a/.travis.yml +++ /dev/null @@ -1,27 +0,0 @@ -go_import_path: github.com/spf13/viper - -language: go -go: - - 1.10.x - - 1.11.x - - tip - -os: - - linux - - osx - -matrix: - allow_failures: - - go: tip - fast_finish: true - -script: - - go install ./... - - diff -u <(echo -n) <(gofmt -d .) - - go test -v ./... - -after_success: - - go get -u -d github.com/spf13/hugo - - cd $GOPATH/src/github.com/spf13/hugo && make && ./hugo -s docs && cd - - -sudo: false diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..1c2cab0 --- /dev/null +++ b/Makefile @@ -0,0 +1,76 @@ +# A Self-Documenting Makefile: http://marmelab.com/blog/2016/02/29/auto-documented-makefile.html + +OS = $(shell uname | tr A-Z a-z) +export PATH := $(abspath bin/):${PATH} + +# Build variables +BUILD_DIR ?= build +export CGO_ENABLED ?= 0 +export GOOS = $(shell go env GOOS) +ifeq (${VERBOSE}, 1) +ifeq ($(filter -v,${GOARGS}),) + GOARGS += -v +endif +TEST_FORMAT = short-verbose +endif + +# Dependency versions +GOTESTSUM_VERSION = 0.4.0 +GOLANGCI_VERSION = 1.21.0 + +# Add the ability to override some variables +# Use with care +-include override.mk + +.PHONY: clear +clear: ## Clear the working area and the project + rm -rf bin/ + +.PHONY: check +check: test lint ## Run tests and linters + +bin/gotestsum: bin/gotestsum-${GOTESTSUM_VERSION} + @ln -sf gotestsum-${GOTESTSUM_VERSION} bin/gotestsum +bin/gotestsum-${GOTESTSUM_VERSION}: + @mkdir -p bin + curl -L https://github.com/gotestyourself/gotestsum/releases/download/v${GOTESTSUM_VERSION}/gotestsum_${GOTESTSUM_VERSION}_${OS}_amd64.tar.gz | tar -zOxf - gotestsum > ./bin/gotestsum-${GOTESTSUM_VERSION} && chmod +x ./bin/gotestsum-${GOTESTSUM_VERSION} + +TEST_PKGS ?= ./... +.PHONY: test +test: TEST_FORMAT ?= short +test: SHELL = /bin/bash +test: export CGO_ENABLED=1 +test: bin/gotestsum ## Run tests + @mkdir -p ${BUILD_DIR} + bin/gotestsum --no-summary=skipped --junitfile ${BUILD_DIR}/coverage.xml --format ${TEST_FORMAT} -- -race -coverprofile=${BUILD_DIR}/coverage.txt -covermode=atomic $(filter-out -v,${GOARGS}) $(if ${TEST_PKGS},${TEST_PKGS},./...) + +bin/golangci-lint: bin/golangci-lint-${GOLANGCI_VERSION} + @ln -sf golangci-lint-${GOLANGCI_VERSION} bin/golangci-lint +bin/golangci-lint-${GOLANGCI_VERSION}: + @mkdir -p bin + curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | bash -s -- -b ./bin/ v${GOLANGCI_VERSION} + @mv bin/golangci-lint $@ + +.PHONY: lint +lint: bin/golangci-lint ## Run linter + bin/golangci-lint run + +.PHONY: fix +fix: bin/golangci-lint ## Fix lint violations + bin/golangci-lint run --fix + +# Add custom targets here +-include custom.mk + +.PHONY: list +list: ## List all make targets + @${MAKE} -pRrn : -f $(MAKEFILE_LIST) 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | sort + +.PHONY: help +.DEFAULT_GOAL := help +help: + @grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' + +# Variable outputting/exporting rules +var-%: ; @echo $($*) +varexport-%: ; @echo $*=$($*) diff --git a/README.md b/README.md index 87bbc8b..dfd8034 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,13 @@ -![viper logo](https://cloud.githubusercontent.com/assets/173412/10886745/998df88a-8151-11e5-9448-4736db51020d.png) +![Viper](.github/logo.png?raw=true) -Go configuration with fangs! +[![Mentioned in Awesome Go](https://awesome.re/mentioned-badge-flat.svg)](https://github.com/avelino/awesome-go#configuration) + +[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/spf13/viper/CI?style=flat-square)](https://github.com/spf13/viper/actions?query=workflow%3ACI) +[![Join the chat at https://gitter.im/spf13/viper](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/spf13/viper?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) +[![Go Report Card](https://goreportcard.com/badge/github.com/spf13/viper?style=flat-square)](https://goreportcard.com/report/github.com/spf13/viper) +[![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/mod/github.com/spf13/viper) + +**Go configuration with fangs!** Many Go projects are built using Viper including: @@ -12,8 +19,14 @@ Many Go projects are built using Viper including: * [BloomApi](https://www.bloomapi.com/) * [doctl](https://github.com/digitalocean/doctl) * [Clairctl](https://github.com/jgsqware/clairctl) +* [Mercure](https://mercure.rocks) -[![Build Status](https://travis-ci.org/spf13/viper.svg)](https://travis-ci.org/spf13/viper) [![Join the chat at https://gitter.im/spf13/viper](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/spf13/viper?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![GoDoc](https://godoc.org/github.com/spf13/viper?status.svg)](https://godoc.org/github.com/spf13/viper) + +## Install + +```console +go get github.com/spf13/viper +``` ## What is Viper? @@ -23,7 +36,7 @@ to work within an application, and can handle all types of configuration needs and formats. It supports: * setting defaults -* reading from JSON, TOML, YAML, HCL, and Java properties config files +* reading from JSON, TOML, YAML, HCL, envfile and Java properties config files * live watching and re-reading of config files (optional) * reading from environment variables * reading from remote config systems (etcd or Consul), and watching changes @@ -31,8 +44,8 @@ and formats. It supports: * reading from buffer * setting explicit values -Viper can be thought of as a registry for all of your applications -configuration needs. +Viper can be thought of as a registry for all of your applications configuration needs. + ## Why Viper? @@ -42,34 +55,31 @@ Viper is here to help with that. Viper does the following for you: -1. Find, load, and unmarshal a configuration file in JSON, TOML, YAML, HCL, or Java properties formats. -2. Provide a mechanism to set default values for your different - configuration options. -3. Provide a mechanism to set override values for options specified through - command line flags. -4. Provide an alias system to easily rename parameters without breaking existing - code. -5. Make it easy to tell the difference between when a user has provided a - command line or config file which is the same as the default. +1. Find, load, and unmarshal a configuration file in JSON, TOML, YAML, HCL, INI, envfile or Java properties formats. +2. Provide a mechanism to set default values for your different configuration options. +3. Provide a mechanism to set override values for options specified through command line flags. +4. Provide an alias system to easily rename parameters without breaking existing code. +5. Make it easy to tell the difference between when a user has provided a command line or config file which is the same as the default. -Viper uses the following precedence order. Each item takes precedence over the -item below it: +Viper uses the following precedence order. Each item takes precedence over the item below it: - * explicit call to Set + * explicit call to `Set` * flag * env * config * key/value store * default -Viper configuration keys are case insensitive. +**Important:** Viper configuration keys are case insensitive. +There are ongoing discussions about making that optional. + ## Putting Values into Viper ### Establishing Defaults A good configuration system will support default values. A default value is not -required for a key, but it’s useful in the event that a key hasn’t been set via +required for a key, but it’s useful in the event that a key hasn't been set via config file, environment variable, remote configuration or flag. Examples: @@ -83,7 +93,7 @@ viper.SetDefault("Taxonomies", map[string]string{"tag": "tags", "category": "cat ### Reading Config Files Viper requires minimal configuration so it knows where to look for config files. -Viper supports JSON, TOML, YAML, HCL, and Java Properties files. Viper can search multiple paths, but +Viper supports JSON, TOML, YAML, HCL, INI, envfile and Java Properties files. Viper can search multiple paths, but currently a single Viper instance only supports a single configuration file. Viper does not default to any configuration search paths leaving defaults decision to an application. @@ -94,6 +104,7 @@ where a configuration file is expected. ```go viper.SetConfigName("config") // name of config file (without extension) +viper.SetConfigType("yaml") // REQUIRED if the config file does not have the extension in the name viper.AddConfigPath("/etc/appname/") // path to look for the config file in viper.AddConfigPath("$HOME/.appname") // call multiple times to add many search paths viper.AddConfigPath(".") // optionally look for config in the working directory @@ -103,6 +114,44 @@ if err != nil { // Handle errors reading the config file } ``` +You can handle the specific case where no config file is found like this: + +```go +if err := viper.ReadInConfig(); err != nil { + if _, ok := err.(viper.ConfigFileNotFoundError); ok { + // Config file not found; ignore error if desired + } else { + // Config file was found but another error was produced + } +} + +// Config file found and successfully parsed +``` + +*NOTE [since 1.6]:* You can also have a file without an extension and specify the format programmaticaly. For those configuration files that lie in the home of the user without any extension like `.bashrc` + +### Writing Config Files + +Reading from config files is useful, but at times you want to store all modifications made at run time. +For that, a bunch of commands are available, each with its own purpose: + +* WriteConfig - writes the current viper configuration to the predefined path, if exists. Errors if no predefined path. Will overwrite the current config file, if it exists. +* SafeWriteConfig - writes the current viper configuration to the predefined path. Errors if no predefined path. Will not overwrite the current config file, if it exists. +* WriteConfigAs - writes the current viper configuration to the given filepath. Will overwrite the given file, if it exists. +* SafeWriteConfigAs - writes the current viper configuration to the given filepath. Will not overwrite the given file, if it exists. + +As a rule of the thumb, everything marked with safe won't overwrite any file, but just create if not existent, whilst the default behavior is to create or truncate. + +A small examples section: + +```go +viper.WriteConfig() // writes current config to predefined path set by 'viper.AddConfigPath()' and 'viper.SetConfigName' +viper.SafeWriteConfig() +viper.WriteConfigAs("/path/to/my/.config") +viper.SafeWriteConfigAs("/path/to/my/.config") // will error since it has already been written +viper.SafeWriteConfigAs("/path/to/my/.other_config") +``` + ### Watching and re-reading config files Viper supports the ability to have your application live read a config file while running. @@ -179,13 +228,14 @@ viper.GetBool("verbose") // true ### Working with Environment Variables Viper has full support for environment variables. This enables 12 factor -applications out of the box. There are four methods that exist to aid working +applications out of the box. There are five methods that exist to aid working with ENV: * `AutomaticEnv()` * `BindEnv(string...) : error` * `SetEnvPrefix(string)` * `SetEnvKeyReplacer(string...) *strings.Replacer` + * `AllowEmptyEnv(bool)` _When working with ENV variables, it’s important to recognize that Viper treats ENV variables as case sensitive._ @@ -198,9 +248,9 @@ prefix. `BindEnv` takes one or two parameters. The first parameter is the key name, the second is the name of the environment variable. The name of the environment variable is case sensitive. If the ENV variable name is not provided, then -Viper will automatically assume that the key name matches the ENV variable name, -but the ENV variable is IN ALL CAPS. When you explicitly provide the ENV -variable name, it **does not** automatically add the prefix. +Viper will automatically assume that the ENV variable matches the following format: prefix + "_" + the key name in ALL CAPS. When you explicitly provide the ENV variable name (the second parameter), +it **does not** automatically add the prefix. For example if the second parameter is "id", +Viper will look for the ENV variable "ID". One important thing to recognize when working with ENV variables is that the value will be read each time it is accessed. Viper does not fix the value when @@ -217,6 +267,13 @@ keys to an extent. This is useful if you want to use `-` or something in your `Get()` calls, but want your environmental variables to use `_` delimiters. An example of using it can be found in `viper_test.go`. +Alternatively, you can use `EnvKeyReplacer` with `NewWithOptions` factory function. +Unlike `SetEnvKeyReplacer`, it accepts a `StringReplacer` interface allowing you to write custom string replacing logic. + +By default empty environment variables are considered unset and will fall back to +the next configuration source. To treat empty environment variables as set, use +the `AllowEmptyEnv` method. + #### Env example ```go @@ -341,12 +398,12 @@ package: `import _ "github.com/spf13/viper/remote"` -Viper will read a config string (as JSON, TOML, YAML or HCL) retrieved from a path +Viper will read a config string (as JSON, TOML, YAML, HCL or envfile) retrieved from a path in a Key/Value store such as etcd or Consul. These values take precedence over default values, but are overridden by configuration values retrieved from disk, flags, or environment variables. -Viper uses [crypt](https://github.com/xordataexchange/crypt) to retrieve +Viper uses [crypt](https://github.com/bketelsen/crypt) to retrieve configuration from the K/V store, which means that you can store your configuration values encrypted and have them automatically decrypted if you have the correct gpg keyring. Encryption is optional. @@ -358,7 +415,7 @@ independently of it. K/V store. `crypt` defaults to etcd on http://127.0.0.1:4001. ```bash -$ go get github.com/xordataexchange/crypt/bin/crypt +$ go get github.com/bketelsen/crypt/bin/crypt $ crypt set -plaintext /config/hugo.json /Users/hugo/settings/config.json ``` @@ -376,12 +433,12 @@ how to use Consul. #### etcd ```go viper.AddRemoteProvider("etcd", "http://127.0.0.1:4001","/config/hugo.json") -viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop" +viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv" err := viper.ReadRemoteConfig() ``` #### Consul -You need to set a key to Consul key/value storage with JSON value containing your desired config. +You need to set a key to Consul key/value storage with JSON value containing your desired config. For example, create a Consul key/value store key `MY_CONSUL_KEY` with value: ```json @@ -400,11 +457,21 @@ fmt.Println(viper.Get("port")) // 8080 fmt.Println(viper.Get("hostname")) // myhostname.com ``` +#### Firestore + +```go +viper.AddRemoteProvider("firestore", "google-cloud-project-id", "collection/document") +viper.SetConfigType("json") // Config's format: "json", "toml", "yaml", "yml" +err := viper.ReadRemoteConfig() +``` + +Of course, you're allowed to use `SecureRemoteProvider` also + ### Remote Key/Value Store Example - Encrypted ```go viper.AddSecureRemoteProvider("etcd","http://127.0.0.1:4001","/config/hugo.json","/etc/secrets/mykeyring.gpg") -viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop" +viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv" err := viper.ReadRemoteConfig() ``` @@ -415,7 +482,7 @@ err := viper.ReadRemoteConfig() var runtime_viper = viper.New() runtime_viper.AddRemoteProvider("etcd", "http://127.0.0.1:4001", "/config/hugo.yml") -runtime_viper.SetConfigType("yaml") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop" +runtime_viper.SetConfigType("yaml") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv" // read from remote config the first time. err := runtime_viper.ReadRemoteConfig() @@ -451,6 +518,7 @@ The following functions and methods exist: * `GetBool(key string) : bool` * `GetFloat64(key string) : float64` * `GetInt(key string) : int` + * `GetIntSlice(key string) : []int` * `GetString(key string) : string` * `GetStringMap(key string) : map[string]interface{}` * `GetStringMapString(key string) : map[string]string` @@ -606,30 +674,89 @@ type config struct { var C config -err := Unmarshal(&C) +err := viper.Unmarshal(&C) if err != nil { t.Fatalf("unable to decode into struct, %v", err) } ``` +If you want to unmarshal configuration where the keys themselves contain dot (the default key delimiter), +you have to change the delimiter: + +```go +v := viper.NewWithOptions(viper.KeyDelimiter("::")) + +v.SetDefault("chart::values", map[string]interface{}{ + "ingress": map[string]interface{}{ + "annotations": map[string]interface{}{ + "traefik.frontend.rule.type": "PathPrefix", + "traefik.ingress.kubernetes.io/ssl-redirect": "true", + }, + }, +}) + +type config struct { + Chart struct{ + Values map[string]interface{} + } +} + +var C config + +v.Unmarshal(&C) +``` + +Viper also supports unmarshaling into embedded structs: + +```go +/* +Example config: + +module: + enabled: true + token: 89h3f98hbwf987h3f98wenf89ehf +*/ +type config struct { + Module struct { + Enabled bool + + moduleConfig `mapstructure:",squash"` + } +} + +// moduleConfig could be in a module specific package +type moduleConfig struct { + Token string +} + +var C config + +err := viper.Unmarshal(&C) +if err != nil { + t.Fatalf("unable to decode into struct, %v", err) +} +``` + +Viper uses [github.com/mitchellh/mapstructure](https://github.com/mitchellh/mapstructure) under the hood for unmarshaling values which uses `mapstructure` tags by default. + ### Marshalling to string -You may need to marhsal all the settings held in viper into a string rather than write them to a file. +You may need to marshal all the settings held in viper into a string rather than write them to a file. You can use your favorite format's marshaller with the config returned by `AllSettings()`. ```go import ( yaml "gopkg.in/yaml.v2" // ... -) +) func yamlStringSettings() string { c := viper.AllSettings() - bs, err := yaml.Marshal(c) - if err != nil { - t.Fatalf("unable to marshal config to YAML: %v", err) + bs, err := yaml.Marshal(c) + if err != nil { + log.Fatalf("unable to marshal config to YAML: %v", err) } - return string(bs) + return string(bs) } ``` @@ -667,13 +794,6 @@ different vipers. ## Q & A -Q: Why not INI files? - -A: Ini files are pretty awful. There’s no standard format, and they are hard to -validate. Viper is designed to work with JSON, TOML or YAML files. If someone -really wants to add this feature, I’d be happy to merge it. It’s easy to specify -which formats your application will permit. - Q: Why is it called “Viper”? A: Viper is designed to be a [companion](http://en.wikipedia.org/wiki/Viper_(G.I._Joe)) diff --git a/flags.go b/flags.go index dd32f4e..b5ddbf5 100644 --- a/flags.go +++ b/flags.go @@ -36,7 +36,7 @@ type pflagValue struct { flag *pflag.Flag } -// HasChanges returns whether the flag has changes or not. +// HasChanged returns whether the flag has changes or not. func (p pflagValue) HasChanged() bool { return p.flag.Changed } diff --git a/go.mod b/go.mod index ce610b3..7d108dc 100644 --- a/go.mod +++ b/go.mod @@ -1,18 +1,40 @@ module github.com/spf13/viper +go 1.12 + require ( + github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c + github.com/coreos/bbolt v1.3.2 // indirect + github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e // indirect + github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect + github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect github.com/fsnotify/fsnotify v1.4.7 + github.com/gogo/protobuf v1.2.1 // indirect + github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef // indirect + github.com/gorilla/websocket v1.4.2 // indirect + github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 // indirect + github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect + github.com/grpc-ecosystem/grpc-gateway v1.9.0 // indirect github.com/hashicorp/hcl v1.0.0 - github.com/magiconair/properties v1.8.0 - github.com/mitchellh/mapstructure v1.0.0 + github.com/jonboulle/clockwork v0.1.0 // indirect + github.com/magiconair/properties v1.8.1 + github.com/mitchellh/mapstructure v1.1.2 github.com/pelletier/go-toml v1.2.0 - github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/prometheus/client_golang v0.9.3 // indirect + github.com/smartystreets/goconvey v1.6.4 // indirect + github.com/soheilhy/cmux v0.1.4 // indirect github.com/spf13/afero v1.1.2 - github.com/spf13/cast v1.2.0 + github.com/spf13/cast v1.3.0 github.com/spf13/jwalterweatherman v1.0.0 - github.com/spf13/pflag v1.0.2 - github.com/stretchr/testify v1.2.2 - golang.org/x/sys v0.0.0-20180906133057-8cf3aee42992 // indirect - golang.org/x/text v0.3.0 // indirect - gopkg.in/yaml.v2 v2.2.1 + github.com/spf13/pflag v1.0.3 + github.com/stretchr/testify v1.3.0 + github.com/subosito/gotenv v1.2.0 + github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect + github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect + go.etcd.io/bbolt v1.3.2 // indirect + go.uber.org/atomic v1.4.0 // indirect + go.uber.org/multierr v1.1.0 // indirect + go.uber.org/zap v1.10.0 // indirect + gopkg.in/ini.v1 v1.51.0 + gopkg.in/yaml.v2 v2.2.4 ) diff --git a/go.sum b/go.sum index 24cf77e..463aa7d 100644 --- a/go.sum +++ b/go.sum @@ -1,31 +1,388 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= 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h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM= +honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= diff --git a/remote/remote.go b/remote/remote.go index 810d070..6bdaa9a 100644 --- a/remote/remote.go +++ b/remote/remote.go @@ -12,7 +12,8 @@ import ( "os" "github.com/spf13/viper" - crypt "github.com/xordataexchange/crypt/config" + + crypt "github.com/bketelsen/crypt/config" ) type remoteConfigProvider struct{} @@ -63,9 +64,7 @@ func (rc remoteConfigProvider) WatchChannel(rp viper.RemoteProvider) (<-chan *vi Error: resp.Error, Value: resp.Value, } - } - } }(cryptoResponseCh, viperResponsCh, quitwc, quit) @@ -77,20 +76,27 @@ func getConfigManager(rp viper.RemoteProvider) (crypt.ConfigManager, error) { var err error if rp.SecretKeyring() != "" { - kr, err := os.Open(rp.SecretKeyring()) - defer kr.Close() + var kr *os.File + kr, err = os.Open(rp.SecretKeyring()) if err != nil { return nil, err } - if rp.Provider() == "etcd" { + defer kr.Close() + switch rp.Provider() { + case "etcd": cm, err = crypt.NewEtcdConfigManager([]string{rp.Endpoint()}, kr) - } else { + case "firestore": + cm, err = crypt.NewFirestoreConfigManager([]string{rp.Endpoint()}, kr) + default: cm, err = crypt.NewConsulConfigManager([]string{rp.Endpoint()}, kr) } } else { - if rp.Provider() == "etcd" { + switch rp.Provider() { + case "etcd": cm, err = crypt.NewStandardEtcdConfigManager([]string{rp.Endpoint()}) - } else { + case "firestore": + cm, err = crypt.NewStandardFirestoreConfigManager([]string{rp.Endpoint()}) + default: cm, err = crypt.NewStandardConsulConfigManager([]string{rp.Endpoint()}) } } diff --git a/util.go b/util.go index 4c1b0da..c6077a7 100644 --- a/util.go +++ b/util.go @@ -115,11 +115,11 @@ func absPathify(inPath string) string { return "" } -// Check if File / Directory Exists +// Check if file Exists func exists(fs afero.Fs, path string) (bool, error) { - _, err := fs.Stat(path) + stat, err := fs.Stat(path) if err == nil { - return true, nil + return !stat.IsDir(), nil } if os.IsNotExist(err) { return false, nil diff --git a/viper.go b/viper.go index 92e97d9..0984d14 100644 --- a/viper.go +++ b/viper.go @@ -3,7 +3,7 @@ // Use of this source code is governed by an MIT-style // license that can be found in the LICENSE file. -// Viper is a application configuration system. +// Viper is an application configuration system. // It believes that applications can be configured a variety of ways // via flags, ENVIRONMENT variables, configuration files retrieved // from the file system, or a remote key/value store. @@ -23,6 +23,7 @@ import ( "bytes" "encoding/csv" "encoding/json" + "errors" "fmt" "io" "log" @@ -33,18 +34,19 @@ import ( "sync" "time" - yaml "gopkg.in/yaml.v2" - "github.com/fsnotify/fsnotify" "github.com/hashicorp/hcl" "github.com/hashicorp/hcl/hcl/printer" "github.com/magiconair/properties" "github.com/mitchellh/mapstructure" - toml "github.com/pelletier/go-toml" + "github.com/pelletier/go-toml" "github.com/spf13/afero" "github.com/spf13/cast" jww "github.com/spf13/jwalterweatherman" "github.com/spf13/pflag" + "github.com/subosito/gotenv" + "gopkg.in/ini.v1" + "gopkg.in/yaml.v2" ) // ConfigMarshalError happens when failing to marshal the configuration. @@ -114,6 +116,14 @@ func (fnfe ConfigFileNotFoundError) Error() string { return fmt.Sprintf("Config File %q Not Found in %q", fnfe.name, fnfe.locations) } +// ConfigFileAlreadyExistsError denotes failure to write new configuration file. +type ConfigFileAlreadyExistsError string + +// Error returns the formatted error when configuration already exists. +func (faee ConfigFileAlreadyExistsError) Error() string { + return fmt.Sprintf("Config File %q Already Exists", string(faee)) +} + // A DecoderConfigOption can be passed to viper.Unmarshal to configure // mapstructure.DecoderConfig options type DecoderConfigOption func(*mapstructure.DecoderConfig) @@ -180,13 +190,15 @@ type Viper struct { remoteProviders []*defaultRemoteProvider // Name of file to look for inside the path - configName string - configFile string - configType string - envPrefix string + configName string + configFile string + configType string + configPermissions os.FileMode + envPrefix string automaticEnvApplied bool - envKeyReplacer *strings.Replacer + envKeyReplacer StringReplacer + allowEmptyEnv bool config map[string]interface{} override map[string]interface{} @@ -209,6 +221,7 @@ func New() *Viper { v := new(Viper) v.keyDelim = "." v.configName = "config" + v.configPermissions = os.FileMode(0644) v.fs = afero.NewOsFs() v.config = make(map[string]interface{}) v.override = make(map[string]interface{}) @@ -222,13 +235,59 @@ func New() *Viper { return v } -// Intended for testing, will reset all to default settings. +// Option configures Viper using the functional options paradigm popularized by Rob Pike and Dave Cheney. +// If you're unfamiliar with this style, +// see https://commandcenter.blogspot.com/2014/01/self-referential-functions-and-design.html and +// https://dave.cheney.net/2014/10/17/functional-options-for-friendly-apis. +type Option interface { + apply(v *Viper) +} + +type optionFunc func(v *Viper) + +func (fn optionFunc) apply(v *Viper) { + fn(v) +} + +// KeyDelimiter sets the delimiter used for determining key parts. +// By default it's value is ".". +func KeyDelimiter(d string) Option { + return optionFunc(func(v *Viper) { + v.keyDelim = d + }) +} + +// StringReplacer applies a set of replacements to a string. +type StringReplacer interface { + // Replace returns a copy of s with all replacements performed. + Replace(s string) string +} + +// EnvKeyReplacer sets a replacer used for mapping environment variables to internal keys. +func EnvKeyReplacer(r StringReplacer) Option { + return optionFunc(func(v *Viper) { + v.envKeyReplacer = r + }) +} + +// NewWithOptions creates a new Viper instance. +func NewWithOptions(opts ...Option) *Viper { + v := New() + + for _, opt := range opts { + opt.apply(v) + } + + return v +} + +// Reset is intended for testing, will reset all to default settings. // In the public interface for the viper package so applications // can use it in their testing as well. func Reset() { v = New() - SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl"} - SupportedRemoteProviders = []string{"etcd", "consul"} + SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env", "ini"} + SupportedRemoteProviders = []string{"etcd", "consul", "firestore"} } type defaultRemoteProvider struct { @@ -266,10 +325,10 @@ type RemoteProvider interface { } // SupportedExts are universally supported extensions. -var SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl"} +var SupportedExts = []string{"json", "toml", "yaml", "yml", "properties", "props", "prop", "hcl", "dotenv", "env", "ini"} // SupportedRemoteProviders are universally supported remote providers. -var SupportedRemoteProviders = []string{"etcd", "consul"} +var SupportedRemoteProviders = []string{"etcd", "consul", "firestore"} func OnConfigChange(run func(in fsnotify.Event)) { v.OnConfigChange(run) } func (v *Viper) OnConfigChange(run func(in fsnotify.Event)) { @@ -291,6 +350,7 @@ func (v *Viper) WatchConfig() { filename, err := v.getConfigFile() if err != nil { log.Printf("error: %v\n", err) + initWG.Done() return } @@ -340,7 +400,7 @@ func (v *Viper) WatchConfig() { } }() watcher.Add(configDir) - initWG.Done() // done initalizing the watch in this go routine, so the parent routine can move on... + initWG.Done() // done initializing the watch in this go routine, so the parent routine can move on... eventsWG.Wait() // now, wait for event loop to end in this go-routine... }() initWG.Wait() // make sure that the go routine above fully ended before returning @@ -373,6 +433,14 @@ func (v *Viper) mergeWithEnvPrefix(in string) string { return strings.ToUpper(in) } +// AllowEmptyEnv tells Viper to consider set, +// but empty environment variables as valid values instead of falling back. +// For backward compatibility reasons this is false by default. +func AllowEmptyEnv(allowEmptyEnv bool) { v.AllowEmptyEnv(allowEmptyEnv) } +func (v *Viper) AllowEmptyEnv(allowEmptyEnv bool) { + v.allowEmptyEnv = allowEmptyEnv +} + // TODO: should getEnv logic be moved into find(). Can generalize the use of // rewriting keys many things, Ex: Get('someKey') -> some_key // (camel case to snake case for JSON keys perhaps) @@ -380,11 +448,14 @@ func (v *Viper) mergeWithEnvPrefix(in string) string { // getEnv is a wrapper around os.Getenv which replaces characters in the original // key. This allows env vars which have different keys than the config object // keys. -func (v *Viper) getEnv(key string) string { +func (v *Viper) getEnv(key string) (string, bool) { if v.envKeyReplacer != nil { key = v.envKeyReplacer.Replace(key) } - return os.Getenv(key) + + val, ok := os.LookupEnv(key) + + return val, ok && (v.allowEmptyEnv || val != "") } // ConfigFileUsed returns the file used to populate the config registry. @@ -406,7 +477,7 @@ func (v *Viper) AddConfigPath(in string) { // AddRemoteProvider adds a remote configuration source. // Remote Providers are searched in the order they are added. -// provider is a string value, "etcd" or "consul" are currently supported. +// provider is a string value: "etcd", "consul" or "firestore" are currently supported. // endpoint is the url. etcd requires http://ip:port consul requires ip:port // path is the path in the k/v store to retrieve configuration // To retrieve a config file called myapp.json from /configs/myapp.json @@ -435,14 +506,14 @@ func (v *Viper) AddRemoteProvider(provider, endpoint, path string) error { // AddSecureRemoteProvider adds a remote configuration source. // Secure Remote Providers are searched in the order they are added. -// provider is a string value, "etcd" or "consul" are currently supported. +// provider is a string value: "etcd", "consul" or "firestore" are currently supported. // endpoint is the url. etcd requires http://ip:port consul requires ip:port // secretkeyring is the filepath to your openpgp secret keyring. e.g. /etc/secrets/myring.gpg // path is the path in the k/v store to retrieve configuration // To retrieve a config file called myapp.json from /configs/myapp.json // you should set path to /configs and set config name (SetConfigName()) to // "myapp" -// Secure Remote Providers are implemented with github.com/xordataexchange/crypt +// Secure Remote Providers are implemented with github.com/bketelsen/crypt func AddSecureRemoteProvider(provider, endpoint, path, secretkeyring string) error { return v.AddSecureRemoteProvider(provider, endpoint, path, secretkeyring) } @@ -611,10 +682,9 @@ func (v *Viper) isPathShadowedInFlatMap(path []string, mi interface{}) string { // "foo.bar.baz" in a lower-priority map func (v *Viper) isPathShadowedInAutoEnv(path []string) string { var parentKey string - var val string for i := 1; i < len(path); i++ { parentKey = strings.Join(path[0:i], v.keyDelim) - if val = v.getEnv(v.mergeWithEnvPrefix(parentKey)); val != "" { + if _, ok := v.getEnv(v.mergeWithEnvPrefix(parentKey)); ok { return parentKey } } @@ -655,7 +725,7 @@ func GetViper() *Viper { func Get(key string) interface{} { return v.Get(key) } func (v *Viper) Get(key string) interface{} { lcaseKey := strings.ToLower(key) - val := v.find(lcaseKey) + val := v.find(lcaseKey, true) if val == nil { return nil } @@ -676,6 +746,12 @@ func (v *Viper) Get(key string) interface{} { return cast.ToString(val) case int32, int16, int8, int: return cast.ToInt(val) + case uint: + return cast.ToUint(val) + case uint32: + return cast.ToUint32(val) + case uint64: + return cast.ToUint64(val) case int64: return cast.ToInt64(val) case float64, float32: @@ -686,6 +762,8 @@ func (v *Viper) Get(key string) interface{} { return cast.ToDuration(val) case []string: return cast.ToStringSlice(val) + case []int: + return cast.ToIntSlice(val) } } @@ -745,6 +823,24 @@ func (v *Viper) GetInt64(key string) int64 { return cast.ToInt64(v.Get(key)) } +// GetUint returns the value associated with the key as an unsigned integer. +func GetUint(key string) uint { return v.GetUint(key) } +func (v *Viper) GetUint(key string) uint { + return cast.ToUint(v.Get(key)) +} + +// GetUint32 returns the value associated with the key as an unsigned integer. +func GetUint32(key string) uint32 { return v.GetUint32(key) } +func (v *Viper) GetUint32(key string) uint32 { + return cast.ToUint32(v.Get(key)) +} + +// GetUint64 returns the value associated with the key as an unsigned integer. +func GetUint64(key string) uint64 { return v.GetUint64(key) } +func (v *Viper) GetUint64(key string) uint64 { + return cast.ToUint64(v.Get(key)) +} + // GetFloat64 returns the value associated with the key as a float64. func GetFloat64(key string) float64 { return v.GetFloat64(key) } func (v *Viper) GetFloat64(key string) float64 { @@ -763,6 +859,12 @@ func (v *Viper) GetDuration(key string) time.Duration { return cast.ToDuration(v.Get(key)) } +// GetIntSlice returns the value associated with the key as a slice of int values. +func GetIntSlice(key string) []int { return v.GetIntSlice(key) } +func (v *Viper) GetIntSlice(key string) []int { + return cast.ToIntSlice(v.Get(key)) +} + // GetStringSlice returns the value associated with the key as a slice of strings. func GetStringSlice(key string) []string { return v.GetStringSlice(key) } func (v *Viper) GetStringSlice(key string) []string { @@ -806,8 +908,6 @@ func (v *Viper) UnmarshalKey(key string, rawVal interface{}, opts ...DecoderConf return err } - v.insensitiviseMaps() - return nil } @@ -823,8 +923,6 @@ func (v *Viper) Unmarshal(rawVal interface{}, opts ...DecoderConfigOption) error return err } - v.insensitiviseMaps() - return nil } @@ -857,8 +955,11 @@ func decode(input interface{}, config *mapstructure.DecoderConfig) error { // UnmarshalExact unmarshals the config into a Struct, erroring if a field is nonexistent // in the destination struct. -func (v *Viper) UnmarshalExact(rawVal interface{}) error { - config := defaultDecoderConfig(rawVal) +func UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error { + return v.UnmarshalExact(rawVal, opts...) +} +func (v *Viper) UnmarshalExact(rawVal interface{}, opts ...DecoderConfigOption) error { + config := defaultDecoderConfig(rawVal, opts...) config.ErrorUnused = true err := decode(v.AllSettings(), config) @@ -867,8 +968,6 @@ func (v *Viper) UnmarshalExact(rawVal interface{}) error { return err } - v.insensitiviseMaps() - return nil } @@ -903,11 +1002,6 @@ func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) { } // BindFlagValue binds a specific key to a FlagValue. -// Example (where serverCmd is a Cobra instance): -// -// serverCmd.Flags().Int("port", 1138, "Port to run Application server on") -// Viper.BindFlagValue("port", serverCmd.Flags().Lookup("port")) -// func BindFlagValue(key string, flag FlagValue) error { return v.BindFlagValue(key, flag) } func (v *Viper) BindFlagValue(key string, flag FlagValue) error { if flag == nil { @@ -925,7 +1019,7 @@ func BindEnv(input ...string) error { return v.BindEnv(input...) } func (v *Viper) BindEnv(input ...string) error { var key, envkey string if len(input) == 0 { - return fmt.Errorf("BindEnv missing key to bind to") + return fmt.Errorf("missing key to bind to") } key = strings.ToLower(input[0]) @@ -942,12 +1036,15 @@ func (v *Viper) BindEnv(input ...string) error { } // Given a key, find the value. -// Viper will check in the following order: -// flag, env, config file, key/value store, default. +// // Viper will check to see if an alias exists first. +// Viper will then check in the following order: +// flag, env, config file, key/value store. +// Lastly, if no value was found and flagDefault is true, and if the key +// corresponds to a flag, the flag's default value is returned. +// // Note: this assumes a lower-cased key given. -func (v *Viper) find(lcaseKey string) interface{} { - +func (v *Viper) find(lcaseKey string, flagDefault bool) interface{} { var ( val interface{} exists bool @@ -987,6 +1084,13 @@ func (v *Viper) find(lcaseKey string) interface{} { s = strings.TrimSuffix(s, "]") res, _ := readAsCSV(s) return res + case "intSlice": + s := strings.TrimPrefix(flag.ValueString(), "[") + s = strings.TrimSuffix(s, "]") + res, _ := readAsCSV(s) + return cast.ToIntSlice(res) + case "stringToString": + return stringToStringConv(flag.ValueString()) default: return flag.ValueString() } @@ -999,7 +1103,7 @@ func (v *Viper) find(lcaseKey string) interface{} { if v.automaticEnvApplied { // even if it hasn't been registered, if automaticEnv is used, // check any Get request - if val = v.getEnv(v.mergeWithEnvPrefix(lcaseKey)); val != "" { + if val, ok := v.getEnv(v.mergeWithEnvPrefix(lcaseKey)); ok { return val } if nested && v.isPathShadowedInAutoEnv(path) != "" { @@ -1008,7 +1112,7 @@ func (v *Viper) find(lcaseKey string) interface{} { } envkey, exists := v.env[lcaseKey] if exists { - if val = v.getEnv(envkey); val != "" { + if val, ok := v.getEnv(envkey); ok { return val } } @@ -1043,24 +1147,33 @@ func (v *Viper) find(lcaseKey string) interface{} { return nil } - // last chance: if no other value is returned and a flag does exist for the value, - // get the flag's value even if the flag's value has not changed - if flag, exists := v.pflags[lcaseKey]; exists { - switch flag.ValueType() { - case "int", "int8", "int16", "int32", "int64": - return cast.ToInt(flag.ValueString()) - case "bool": - return cast.ToBool(flag.ValueString()) - case "stringSlice": - s := strings.TrimPrefix(flag.ValueString(), "[") - s = strings.TrimSuffix(s, "]") - res, _ := readAsCSV(s) - return res - default: - return flag.ValueString() + if flagDefault { + // last chance: if no value is found and a flag does exist for the key, + // get the flag's default value even if the flag's value has not been set. + if flag, exists := v.pflags[lcaseKey]; exists { + switch flag.ValueType() { + case "int", "int8", "int16", "int32", "int64": + return cast.ToInt(flag.ValueString()) + case "bool": + return cast.ToBool(flag.ValueString()) + case "stringSlice": + s := strings.TrimPrefix(flag.ValueString(), "[") + s = strings.TrimSuffix(s, "]") + res, _ := readAsCSV(s) + return res + case "intSlice": + s := strings.TrimPrefix(flag.ValueString(), "[") + s = strings.TrimSuffix(s, "]") + res, _ := readAsCSV(s) + return cast.ToIntSlice(res) + case "stringToString": + return stringToStringConv(flag.ValueString()) + default: + return flag.ValueString() + } } + // last item, no need to check shadowing } - // last item, no need to check shadowing return nil } @@ -1074,12 +1187,36 @@ func readAsCSV(val string) ([]string, error) { return csvReader.Read() } +// mostly copied from pflag's implementation of this operation here https://github.com/spf13/pflag/blob/master/string_to_string.go#L79 +// alterations are: errors are swallowed, map[string]interface{} is returned in order to enable cast.ToStringMap +func stringToStringConv(val string) interface{} { + val = strings.Trim(val, "[]") + // An empty string would cause an empty map + if len(val) == 0 { + return map[string]interface{}{} + } + r := csv.NewReader(strings.NewReader(val)) + ss, err := r.Read() + if err != nil { + return nil + } + out := make(map[string]interface{}, len(ss)) + for _, pair := range ss { + kv := strings.SplitN(pair, "=", 2) + if len(kv) != 2 { + return nil + } + out[kv[0]] = kv[1] + } + return out +} + // IsSet checks to see if the key has been set in any of the data locations. // IsSet is case-insensitive for a key. func IsSet(key string) bool { return v.IsSet(key) } func (v *Viper) IsSet(key string) bool { lcaseKey := strings.ToLower(key) - val := v.find(lcaseKey) + val := v.find(lcaseKey, false) return val != nil } @@ -1098,8 +1235,8 @@ func (v *Viper) SetEnvKeyReplacer(r *strings.Replacer) { v.envKeyReplacer = r } -// Aliases provide another accessor for the same key. -// This enables one to change a name without breaking the application +// RegisterAlias creates an alias that provides another accessor for the same key. +// This enables one to change a name without breaking the application. func RegisterAlias(alias string, key string) { v.RegisterAlias(alias, key) } func (v *Viper) RegisterAlias(alias string, key string) { v.registerAlias(alias, strings.ToLower(key)) @@ -1254,13 +1391,21 @@ func (v *Viper) ReadConfig(in io.Reader) error { // MergeConfig merges a new configuration with an existing config. func MergeConfig(in io.Reader) error { return v.MergeConfig(in) } func (v *Viper) MergeConfig(in io.Reader) error { - if v.config == nil { - v.config = make(map[string]interface{}) - } cfg := make(map[string]interface{}) if err := v.unmarshalReader(in, cfg); err != nil { return err } + return v.MergeConfigMap(cfg) +} + +// MergeConfigMap merges the configuration from the map given with an existing config. +// Note that the map given may be modified. +func MergeConfigMap(cfg map[string]interface{}) error { return v.MergeConfigMap(cfg) } +func (v *Viper) MergeConfigMap(cfg map[string]interface{}) error { + if v.config == nil { + v.config = make(map[string]interface{}) + } + insensitiviseMap(cfg) mergeMaps(cfg, v.config, nil) return nil } @@ -1278,11 +1423,10 @@ func (v *Viper) WriteConfig() error { // SafeWriteConfig writes current configuration to file only if the file does not exist. func SafeWriteConfig() error { return v.SafeWriteConfig() } func (v *Viper) SafeWriteConfig() error { - filename, err := v.getConfigFile() - if err != nil { - return err + if len(v.configPaths) < 1 { + return errors.New("missing configuration for 'configPath'") } - return v.writeConfig(filename, false) + return v.SafeWriteConfigAs(filepath.Join(v.configPaths[0], v.configName+"."+v.configType)) } // WriteConfigAs writes current configuration to a given filename. @@ -1294,38 +1438,48 @@ func (v *Viper) WriteConfigAs(filename string) error { // SafeWriteConfigAs writes current configuration to a given filename if it does not exist. func SafeWriteConfigAs(filename string) error { return v.SafeWriteConfigAs(filename) } func (v *Viper) SafeWriteConfigAs(filename string) error { + alreadyExists, err := afero.Exists(v.fs, filename) + if alreadyExists && err == nil { + return ConfigFileAlreadyExistsError(filename) + } return v.writeConfig(filename, false) } -func writeConfig(filename string, force bool) error { return v.writeConfig(filename, force) } func (v *Viper) writeConfig(filename string, force bool) error { jww.INFO.Println("Attempting to write configuration to file.") + var configType string + ext := filepath.Ext(filename) - if len(ext) <= 1 { - return fmt.Errorf("Filename: %s requires valid extension.", filename) + if ext != "" { + configType = ext[1:] + } else { + configType = v.configType } - configType := ext[1:] + if configType == "" { + return fmt.Errorf("config type could not be determined for %s", filename) + } + if !stringInSlice(configType, SupportedExts) { return UnsupportedConfigError(configType) } if v.config == nil { v.config = make(map[string]interface{}) } - var flags int - if force == true { - flags = os.O_CREATE | os.O_TRUNC | os.O_WRONLY - } else { - if _, err := os.Stat(filename); os.IsNotExist(err) { - flags = os.O_WRONLY - } else { - return fmt.Errorf("File: %s exists. Use WriteConfig to overwrite.", filename) - } + flags := os.O_CREATE | os.O_TRUNC | os.O_WRONLY + if !force { + flags |= os.O_EXCL } - f, err := v.fs.OpenFile(filename, flags, os.FileMode(0644)) + f, err := v.fs.OpenFile(filename, flags, v.configPermissions) if err != nil { return err } - return v.marshalWriter(f, configType) + defer f.Close() + + if err := v.marshalWriter(f, configType); err != nil { + return err + } + + return f.Sync() } // Unmarshal a Reader into a map. @@ -1349,7 +1503,7 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error { } case "hcl": - obj, err := hcl.Parse(string(buf.Bytes())) + obj, err := hcl.Parse(buf.String()) if err != nil { return ConfigParseError{err} } @@ -1367,6 +1521,15 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error { c[k] = v } + case "dotenv", "env": + env, err := gotenv.StrictParse(buf) + if err != nil { + return ConfigParseError{err} + } + for k, v := range env { + c[k] = v + } + case "properties", "props", "prop": v.properties = properties.NewProperties() var err error @@ -1382,6 +1545,23 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error { // set innermost value deepestMap[lastKey] = value } + + case "ini": + cfg := ini.Empty() + err := cfg.Append(buf.Bytes()) + if err != nil { + return ConfigParseError{err} + } + sections := cfg.Sections() + for i := 0; i < len(sections); i++ { + section := sections[i] + keys := section.Keys() + for j := 0; j < len(keys); j++ { + key := keys[j] + value := cfg.Section(section.Name()).Key(key.Name()).String() + c[section.Name()+"."+key.Name()] = value + } + } } insensitiviseMap(c) @@ -1389,9 +1569,6 @@ func (v *Viper) unmarshalReader(in io.Reader, c map[string]interface{}) error { } // Marshal a map into Writer. -func marshalWriter(f afero.File, configType string) error { - return v.marshalWriter(f, configType) -} func (v *Viper) marshalWriter(f afero.File, configType string) error { c := v.AllSettings() switch configType { @@ -1407,6 +1584,9 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error { case "hcl": b, err := json.Marshal(c) + if err != nil { + return ConfigMarshalError{err} + } ast, err := hcl.Parse(string(b)) if err != nil { return ConfigMarshalError{err} @@ -1432,6 +1612,18 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error { return ConfigMarshalError{err} } + case "dotenv", "env": + lines := []string{} + for _, key := range v.AllKeys() { + envName := strings.ToUpper(strings.Replace(key, ".", "_", -1)) + val := v.Get(key) + lines = append(lines, fmt.Sprintf("%v=%v", envName, val)) + } + s := strings.Join(lines, "\n") + if _, err := f.WriteString(s); err != nil { + return ConfigMarshalError{err} + } + case "toml": t, err := toml.TreeFromMap(c) if err != nil { @@ -1450,6 +1642,22 @@ func (v *Viper) marshalWriter(f afero.File, configType string) error { if _, err = f.WriteString(string(b)); err != nil { return ConfigMarshalError{err} } + + case "ini": + keys := v.AllKeys() + cfg := ini.Empty() + ini.PrettyFormat = false + for i := 0; i < len(keys); i++ { + key := keys[i] + lastSep := strings.LastIndex(key, ".") + sectionName := key[:(lastSep)] + keyName := key[(lastSep + 1):] + if sectionName == "default" { + sectionName = "" + } + cfg.Section(sectionName).Key(keyName).SetValue(v.Get(key).(string)) + } + cfg.WriteTo(f) } return nil } @@ -1566,13 +1774,6 @@ func (v *Viper) WatchRemoteConfigOnChannel() error { return v.watchKeyValueConfigOnChannel() } -func (v *Viper) insensitiviseMaps() { - insensitiviseMap(v.config) - insensitiviseMap(v.defaults) - insensitiviseMap(v.override) - insensitiviseMap(v.kvstore) -} - // Retrieve the first found remote configuration. func (v *Viper) getKeyValueConfig() error { if RemoteConfig == nil { @@ -1603,7 +1804,7 @@ func (v *Viper) getRemoteConfig(provider RemoteProvider) (map[string]interface{} func (v *Viper) watchKeyValueConfigOnChannel() error { for _, rp := range v.remoteProviders { respc, _ := RemoteConfig.WatchChannel(rp) - //Todo: Add quit channel + // Todo: Add quit channel go func(rc <-chan *RemoteResponse) { for { b := <-rc @@ -1639,7 +1840,7 @@ func (v *Viper) watchRemoteConfig(provider RemoteProvider) (map[string]interface } // AllKeys returns all keys holding a value, regardless of where they are set. -// Nested keys are returned with a v.keyDelim (= ".") separator +// Nested keys are returned with a v.keyDelim separator func AllKeys() []string { return v.AllKeys() } func (v *Viper) AllKeys() []string { m := map[string]bool{} @@ -1653,7 +1854,7 @@ func (v *Viper) AllKeys() []string { m = v.flattenAndMergeMap(m, v.defaults, "") // convert set of paths to list - a := []string{} + a := make([]string, 0, len(m)) for x := range m { a = append(a, x) } @@ -1662,7 +1863,7 @@ func (v *Viper) AllKeys() []string { // flattenAndMergeMap recursively flattens the given map into a map[string]bool // of key paths (used as a set, easier to manipulate than a []string): -// - each path is merged into a single key string, delimited with v.keyDelim (= ".") +// - each path is merged into a single key string, delimited with v.keyDelim // - if a path is shadowed by an earlier value in the initial shadow map, // it is skipped. // The resulting set of paths is merged to the given shadow set at the same time. @@ -1702,7 +1903,7 @@ func (v *Viper) flattenAndMergeMap(shadow map[string]bool, m map[string]interfac func (v *Viper) mergeFlatMap(shadow map[string]bool, m map[string]interface{}) map[string]bool { // scan keys outer: - for k, _ := range m { + for k := range m { path := strings.Split(k, v.keyDelim) // scan intermediate paths var parentKey string @@ -1765,6 +1966,12 @@ func (v *Viper) SetConfigType(in string) { } } +// SetConfigPermissions sets the permissions for the config file. +func SetConfigPermissions(perm os.FileMode) { v.SetConfigPermissions(perm) } +func (v *Viper) SetConfigPermissions(perm os.FileMode) { + v.configPermissions = perm.Perm() +} + func (v *Viper) getConfigType() string { if v.configType != "" { return v.configType @@ -1805,6 +2012,12 @@ func (v *Viper) searchInPath(in string) (filename string) { } } + if v.configType != "" { + if b, _ := exists(v.fs, filepath.Join(in, v.configName)); b { + return filepath.Join(in, v.configName) + } + } + return "" } diff --git a/viper_test.go b/viper_test.go index 3e2e3d3..df8ad56 100644 --- a/viper_test.go +++ b/viper_test.go @@ -8,12 +8,12 @@ package viper import ( "bytes" "encoding/json" - "fmt" "io" "io/ioutil" "os" "os/exec" "path" + "path/filepath" "reflect" "runtime" "sort" @@ -70,6 +70,11 @@ organization = "MongoDB" Bio = "MongoDB Chief Developer Advocate & Hacker at Large" dob = 1979-05-27T07:32:00Z # First class dates? Why not?`) +var dotenvExample = []byte(` +TITLE_DOTENV="DotEnv Example" +TYPE_DOTENV=donut +NAME_DOTENV=Cake`) + var jsonExample = []byte(`{ "id": "0001", "type": "donut", @@ -119,6 +124,24 @@ var remoteExample = []byte(`{ "newkey":"remote" }`) +var iniExample = []byte(`; Package name +NAME = ini +; Package version +VERSION = v1 +; Package import path +IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s + +# Information about package author +# Bio can be written in multiple lines. +[author] +NAME = Unknown ; Succeeding comment +E-MAIL = fake@localhost +GITHUB = https://github.com/%(NAME)s +BIO = """Gopher. +Coding addict. +Good man. +""" # Succeeding comment`) + func initConfigs() { Reset() var r io.Reader @@ -142,9 +165,17 @@ func initConfigs() { r = bytes.NewReader(tomlExample) unmarshalReader(r, v.config) + SetConfigType("env") + r = bytes.NewReader(dotenvExample) + unmarshalReader(r, v.config) + SetConfigType("json") remote := bytes.NewReader(remoteExample) unmarshalReader(remote, v.kvstore) + + SetConfigType("ini") + r = bytes.NewReader(iniExample) + unmarshalReader(r, v.config) } func initConfig(typ, config string) { @@ -185,6 +216,14 @@ func initTOML() { unmarshalReader(r, v.config) } +func initDotEnv() { + Reset() + SetConfigType("env") + r := bytes.NewReader(dotenvExample) + + unmarshalReader(r, v.config) +} + func initHcl() { Reset() SetConfigType("hcl") @@ -193,15 +232,27 @@ func initHcl() { unmarshalReader(r, v.config) } +func initIni() { + Reset() + SetConfigType("ini") + r := bytes.NewReader(iniExample) + + unmarshalReader(r, v.config) +} + // make directories for testing func initDirs(t *testing.T) (string, string, func()) { - var ( - testDirs = []string{`a a`, `b`, `c\c`, `D_`} + testDirs = []string{`a a`, `b`, `C_`} config = `improbable` ) + if runtime.GOOS != "windows" { + testDirs = append(testDirs, `d\d`) + } + root, err := ioutil.TempDir("", "") + require.NoError(t, err, "Failed to create temporary directory") cleanup := true defer func() { @@ -214,7 +265,7 @@ func initDirs(t *testing.T) (string, string, func()) { assert.Nil(t, err) err = os.Chdir(root) - assert.Nil(t, err) + require.Nil(t, err) for _, dir := range testDirs { err = os.Mkdir(dir, 0750) @@ -234,7 +285,7 @@ func initDirs(t *testing.T) (string, string, func()) { } } -//stubs for PFlag Values +// stubs for PFlag Values type stringValue string func newStringValue(val string, p *string) *stringValue { @@ -252,7 +303,7 @@ func (s *stringValue) Type() string { } func (s *stringValue) String() string { - return fmt.Sprintf("%s", *s) + return string(*s) } func TestBasics(t *testing.T) { @@ -262,6 +313,60 @@ func TestBasics(t *testing.T) { assert.NoError(t, err) } +func TestSearchInPath_WithoutConfigTypeSet(t *testing.T) { + filename := ".dotfilenoext" + path := "/tmp" + file := filepath.Join(path, filename) + SetConfigName(filename) + AddConfigPath(path) + _, createErr := v.fs.Create(file) + defer func() { + _ = v.fs.Remove(file) + }() + assert.NoError(t, createErr) + _, err := v.getConfigFile() + // unless config type is set, files without extension + // are not considered + assert.Error(t, err) +} + +func TestSearchInPath(t *testing.T) { + filename := ".dotfilenoext" + path := "/tmp" + file := filepath.Join(path, filename) + SetConfigName(filename) + SetConfigType("yaml") + AddConfigPath(path) + _, createErr := v.fs.Create(file) + defer func() { + _ = v.fs.Remove(file) + }() + assert.NoError(t, createErr) + filename, err := v.getConfigFile() + assert.Equal(t, file, filename) + assert.NoError(t, err) +} + +func TestSearchInPath_FilesOnly(t *testing.T) { + fs := afero.NewMemMapFs() + + err := fs.Mkdir("/tmp/config", 0777) + require.NoError(t, err) + + _, err = fs.Create("/tmp/config/config.yaml") + require.NoError(t, err) + + v := New() + + v.SetFs(fs) + v.AddConfigPath("/tmp") + v.AddConfigPath("/tmp/config") + + filename, err := v.getConfigFile() + assert.Equal(t, "/tmp/config/config.yaml", filename) + assert.NoError(t, err) +} + func TestDefault(t *testing.T) { SetDefault("age", 45) assert.Equal(t, 45, Get("age")) @@ -348,6 +453,11 @@ func TestTOML(t *testing.T) { assert.Equal(t, "TOML Example", Get("title")) } +func TestDotEnv(t *testing.T) { + initDotEnv() + assert.Equal(t, "DotEnv Example", Get("title_dotenv")) +} + func TestHCL(t *testing.T) { initHcl() assert.Equal(t, "0001", Get("id")) @@ -359,6 +469,11 @@ func TestHCL(t *testing.T) { assert.NotEqual(t, "cronut", Get("type")) } +func TestIni(t *testing.T) { + initIni() + assert.Equal(t, "ini", Get("default.name")) +} + func TestRemotePrecedence(t *testing.T) { initJSON() @@ -391,7 +506,42 @@ func TestEnv(t *testing.T) { AutomaticEnv() assert.Equal(t, "crunk", Get("name")) +} +func TestEmptyEnv(t *testing.T) { + initJSON() + + BindEnv("type") // Empty environment variable + BindEnv("name") // Bound, but not set environment variable + + os.Unsetenv("type") + os.Unsetenv("TYPE") + os.Unsetenv("name") + os.Unsetenv("NAME") + + os.Setenv("TYPE", "") + + assert.Equal(t, "donut", Get("type")) + assert.Equal(t, "Cake", Get("name")) +} + +func TestEmptyEnv_Allowed(t *testing.T) { + initJSON() + + AllowEmptyEnv(true) + + BindEnv("type") // Empty environment variable + BindEnv("name") // Bound, but not set environment variable + + os.Unsetenv("type") + os.Unsetenv("TYPE") + os.Unsetenv("name") + os.Unsetenv("NAME") + + os.Setenv("TYPE", "") + + assert.Equal(t, "", Get("type")) + assert.Equal(t, "Cake", Get("name")) } func TestEnvPrefix(t *testing.T) { @@ -444,7 +594,7 @@ func TestSetEnvKeyReplacer(t *testing.T) { } func TestGetStringEnv(t *testing.T) { - Reset() + Reset() home := "." os.Setenv("HOME_STUFF", home) v := New() @@ -460,15 +610,122 @@ func TestGetStringEnv(t *testing.T) { assert.Equal(t, "${UNDEFINED}", undefined_value) } +func TestEnvKeyReplacer(t *testing.T) { + v := NewWithOptions(EnvKeyReplacer(strings.NewReplacer("-", "_"))) + + v.AutomaticEnv() + _ = os.Setenv("REFRESH_INTERVAL", "30s") + + assert.Equal(t, "30s", v.Get("refresh-interval")) +} + func TestAllKeys(t *testing.T) { initConfigs() - ks := sort.StringSlice{"title", "newkey", "owner.organization", "owner.dob", "owner.bio", "name", "beard", "ppu", "batters.batter", "hobbies", "clothing.jacket", "clothing.trousers", "clothing.pants.size", "age", "hacker", "id", "type", "eyes", "p_id", "p_ppu", "p_batters.batter.type", "p_type", "p_name", "foos"} + ks := sort.StringSlice{ + "title", + "author.bio", + "author.e-mail", + "author.github", + "author.name", + "newkey", + "owner.organization", + "owner.dob", + "owner.bio", + "name", + "beard", + "ppu", + "batters.batter", + "hobbies", + "clothing.jacket", + "clothing.trousers", + "default.import_path", + "default.name", + "default.version", + "clothing.pants.size", + "age", + "hacker", + "id", + "type", + "eyes", + "p_id", + "p_ppu", + "p_batters.batter.type", + "p_type", + "p_name", + "foos", + "title_dotenv", + "type_dotenv", + "name_dotenv", + } dob, _ := time.Parse(time.RFC3339, "1979-05-27T07:32:00Z") - all := map[string]interface{}{"owner": map[string]interface{}{"organization": "MongoDB", "bio": "MongoDB Chief Developer Advocate & Hacker at Large", "dob": dob}, "title": "TOML Example", "ppu": 0.55, "eyes": "brown", "clothing": map[string]interface{}{"trousers": "denim", "jacket": "leather", "pants": map[string]interface{}{"size": "large"}}, "id": "0001", "batters": map[string]interface{}{"batter": []interface{}{map[string]interface{}{"type": "Regular"}, map[string]interface{}{"type": "Chocolate"}, map[string]interface{}{"type": "Blueberry"}, map[string]interface{}{"type": "Devil's Food"}}}, "hacker": true, "beard": true, "hobbies": []interface{}{"skateboarding", "snowboarding", "go"}, "age": 35, "type": "donut", "newkey": "remote", "name": "Cake", "p_id": "0001", "p_ppu": "0.55", "p_name": "Cake", "p_batters": map[string]interface{}{"batter": map[string]interface{}{"type": "Regular"}}, "p_type": "donut", "foos": []map[string]interface{}{map[string]interface{}{"foo": []map[string]interface{}{map[string]interface{}{"key": 1}, map[string]interface{}{"key": 2}, map[string]interface{}{"key": 3}, map[string]interface{}{"key": 4}}}}} + all := map[string]interface{}{ + "owner": map[string]interface{}{ + "organization": "MongoDB", + "bio": "MongoDB Chief Developer Advocate & Hacker at Large", + "dob": dob, + }, + "title": "TOML Example", + "author": map[string]interface{}{ + "e-mail": "fake@localhost", + "github": "https://github.com/Unknown", + "name": "Unknown", + "bio": "Gopher.\nCoding addict.\nGood man.\n", + }, + "ppu": 0.55, + "eyes": "brown", + "clothing": map[string]interface{}{ + "trousers": "denim", + "jacket": "leather", + "pants": map[string]interface{}{"size": "large"}, + }, + "default": map[string]interface{}{ + "import_path": "gopkg.in/ini.v1", + "name": "ini", + "version": "v1", + }, + "id": "0001", + "batters": map[string]interface{}{ + "batter": []interface{}{ + map[string]interface{}{"type": "Regular"}, + map[string]interface{}{"type": "Chocolate"}, + map[string]interface{}{"type": "Blueberry"}, + map[string]interface{}{"type": "Devil's Food"}, + }, + }, + "hacker": true, + "beard": true, + "hobbies": []interface{}{ + "skateboarding", + "snowboarding", + "go", + }, + "age": 35, + "type": "donut", + "newkey": "remote", + "name": "Cake", + "p_id": "0001", + "p_ppu": "0.55", + "p_name": "Cake", + "p_batters": map[string]interface{}{ + "batter": map[string]interface{}{"type": "Regular"}, + }, + "p_type": "donut", + "foos": []map[string]interface{}{ + { + "foo": []map[string]interface{}{ + {"key": 1}, + {"key": 2}, + {"key": 3}, + {"key": 4}}, + }, + }, + "title_dotenv": "DotEnv Example", + "type_dotenv": "donut", + "name_dotenv": "Cake", + } - var allkeys sort.StringSlice - allkeys = AllKeys() + allkeys := sort.StringSlice(AllKeys()) allkeys.Sort() ks.Sort() @@ -509,11 +766,13 @@ func TestUnmarshal(t *testing.T) { SetDefault("port", 1313) Set("name", "Steve") Set("duration", "1s1ms") + Set("modes", []int{1, 2, 3}) type config struct { Port int Name string Duration time.Duration + Modes []int } var C config @@ -523,14 +782,33 @@ func TestUnmarshal(t *testing.T) { t.Fatalf("unable to decode into struct, %v", err) } - assert.Equal(t, &config{Name: "Steve", Port: 1313, Duration: time.Second + time.Millisecond}, &C) + assert.Equal( + t, + &config{ + Name: "Steve", + Port: 1313, + Duration: time.Second + time.Millisecond, + Modes: []int{1, 2, 3}, + }, + &C, + ) Set("port", 1234) err = Unmarshal(&C) if err != nil { t.Fatalf("unable to decode into struct, %v", err) } - assert.Equal(t, &config{Name: "Steve", Port: 1234, Duration: time.Second + time.Millisecond}, &C) + + assert.Equal( + t, + &config{ + Name: "Steve", + Port: 1234, + Duration: time.Second + time.Millisecond, + Modes: []int{1, 2, 3}, + }, + &C, + ) } func TestUnmarshalWithDecoderOptions(t *testing.T) { @@ -602,28 +880,31 @@ func TestBindPFlags(t *testing.T) { for name, expected := range mutatedTestValues { assert.Equal(t, expected, v.Get(name)) } - } func TestBindPFlagsStringSlice(t *testing.T) { - for _, testValue := range []struct { + tests := []struct { Expected []string Value string }{ - {[]string{}, ""}, + {nil, ""}, {[]string{"jeden"}, "jeden"}, {[]string{"dwa", "trzy"}, "dwa,trzy"}, - {[]string{"cztery", "piec , szesc"}, "cztery,\"piec , szesc\""}} { + {[]string{"cztery", "piec , szesc"}, "cztery,\"piec , szesc\""}, + } + + v := New() // create independent Viper object + defaultVal := []string{"default"} + v.SetDefault("stringslice", defaultVal) + + for _, testValue := range tests { + flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError) + flagSet.StringSlice("stringslice", testValue.Expected, "test") for _, changed := range []bool{true, false} { - v := New() // create independent Viper object - flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError) - flagSet.StringSlice("stringslice", testValue.Expected, "test") - flagSet.Visit(func(f *pflag.Flag) { - if len(testValue.Value) > 0 { - f.Value.Set(testValue.Value) - f.Changed = changed - } + flagSet.VisitAll(func(f *pflag.Flag) { + f.Value.Set(testValue.Value) + f.Changed = changed }) err := v.BindPFlags(flagSet) @@ -638,7 +919,56 @@ func TestBindPFlagsStringSlice(t *testing.T) { if err := v.Unmarshal(val); err != nil { t.Fatalf("%+#v cannot unmarshal: %s", testValue.Value, err) } - assert.Equal(t, testValue.Expected, val.StringSlice) + if changed { + assert.Equal(t, testValue.Expected, val.StringSlice) + } else { + assert.Equal(t, defaultVal, val.StringSlice) + } + } + } +} + +func TestBindPFlagsIntSlice(t *testing.T) { + tests := []struct { + Expected []int + Value string + }{ + {nil, ""}, + {[]int{1}, "1"}, + {[]int{2, 3}, "2,3"}, + } + + v := New() // create independent Viper object + defaultVal := []int{0} + v.SetDefault("intslice", defaultVal) + + for _, testValue := range tests { + flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError) + flagSet.IntSlice("intslice", testValue.Expected, "test") + + for _, changed := range []bool{true, false} { + flagSet.VisitAll(func(f *pflag.Flag) { + f.Value.Set(testValue.Value) + f.Changed = changed + }) + + err := v.BindPFlags(flagSet) + if err != nil { + t.Fatalf("error binding flag set, %v", err) + } + + type TestInt struct { + IntSlice []int + } + val := &TestInt{} + if err := v.Unmarshal(val); err != nil { + t.Fatalf("%+#v cannot unmarshal: %s", testValue.Value, err) + } + if changed { + assert.Equal(t, testValue.Expected, val.IntSlice) + } else { + assert.Equal(t, defaultVal, val.IntSlice) + } } } } @@ -658,10 +988,56 @@ func TestBindPFlag(t *testing.T) { assert.Equal(t, testString, Get("testvalue")) flag.Value.Set("testing_mutate") - flag.Changed = true //hack for pflag usage + flag.Changed = true // hack for pflag usage assert.Equal(t, "testing_mutate", Get("testvalue")) +} +func TestBindPFlagStringToString(t *testing.T) { + tests := []struct { + Expected map[string]string + Value string + }{ + {map[string]string{}, ""}, + {map[string]string{"yo": "hi"}, "yo=hi"}, + {map[string]string{"yo": "hi", "oh": "hi=there"}, "yo=hi,oh=hi=there"}, + {map[string]string{"yo": ""}, "yo="}, + {map[string]string{"yo": "", "oh": "hi=there"}, "yo=,oh=hi=there"}, + } + + v := New() // create independent Viper object + defaultVal := map[string]string{} + v.SetDefault("stringtostring", defaultVal) + + for _, testValue := range tests { + flagSet := pflag.NewFlagSet("test", pflag.ContinueOnError) + flagSet.StringToString("stringtostring", testValue.Expected, "test") + + for _, changed := range []bool{true, false} { + flagSet.VisitAll(func(f *pflag.Flag) { + f.Value.Set(testValue.Value) + f.Changed = changed + }) + + err := v.BindPFlags(flagSet) + if err != nil { + t.Fatalf("error binding flag set, %v", err) + } + + type TestMap struct { + StringToString map[string]string + } + val := &TestMap{} + if err := v.Unmarshal(val); err != nil { + t.Fatalf("%+#v cannot unmarshal: %s", testValue.Value, err) + } + if changed { + assert.Equal(t, testValue.Expected, val.StringToString) + } else { + assert.Equal(t, defaultVal, val.StringToString) + } + } + } } func TestBoundCaseSensitivity(t *testing.T) { @@ -683,7 +1059,6 @@ func TestBoundCaseSensitivity(t *testing.T) { BindPFlag("eYEs", flag) assert.Equal(t, "green", Get("eyes")) - } func TestSizeInBytes(t *testing.T) { @@ -741,8 +1116,11 @@ func TestFindsNestedKeys(t *testing.T) { "hobbies": []interface{}{ "skateboarding", "snowboarding", "go", }, - "title": "TOML Example", - "newkey": "remote", + "TITLE_DOTENV": "DotEnv Example", + "TYPE_DOTENV": "donut", + "NAME_DOTENV": "Cake", + "title": "TOML Example", + "newkey": "remote", "batters": map[string]interface{}{ "batter": []interface{}{ map[string]interface{}{ @@ -783,18 +1161,18 @@ func TestFindsNestedKeys(t *testing.T) { "owner.dob": dob, "beard": true, "foos": []map[string]interface{}{ - map[string]interface{}{ + { "foo": []map[string]interface{}{ - map[string]interface{}{ + { "key": 1, }, - map[string]interface{}{ + { "key": 2, }, - map[string]interface{}{ + { "key": 3, }, - map[string]interface{}{ + { "key": 4, }, }, @@ -803,10 +1181,8 @@ func TestFindsNestedKeys(t *testing.T) { } for key, expectedValue := range expected { - assert.Equal(t, expectedValue, v.Get(key)) } - } func TestReadBufConfig(t *testing.T) { @@ -826,16 +1202,50 @@ func TestReadBufConfig(t *testing.T) { func TestIsSet(t *testing.T) { v := New() v.SetConfigType("yaml") + + /* config and defaults */ v.ReadConfig(bytes.NewBuffer(yamlExample)) + v.SetDefault("clothing.shoes", "sneakers") + + assert.True(t, v.IsSet("clothing")) assert.True(t, v.IsSet("clothing.jacket")) assert.False(t, v.IsSet("clothing.jackets")) + assert.True(t, v.IsSet("clothing.shoes")) + + /* state change */ assert.False(t, v.IsSet("helloworld")) v.Set("helloworld", "fubar") assert.True(t, v.IsSet("helloworld")) + + /* env */ + v.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) + v.BindEnv("eyes") + v.BindEnv("foo") + v.BindEnv("clothing.hat") + v.BindEnv("clothing.hats") + os.Setenv("FOO", "bar") + os.Setenv("CLOTHING_HAT", "bowler") + + assert.True(t, v.IsSet("eyes")) // in the config file + assert.True(t, v.IsSet("foo")) // in the environment + assert.True(t, v.IsSet("clothing.hat")) // in the environment + assert.False(t, v.IsSet("clothing.hats")) // not defined + + /* flags */ + flagset := pflag.NewFlagSet("testisset", pflag.ContinueOnError) + flagset.Bool("foobaz", false, "foobaz") + flagset.Bool("barbaz", false, "barbaz") + foobaz, barbaz := flagset.Lookup("foobaz"), flagset.Lookup("barbaz") + v.BindPFlag("foobaz", foobaz) + v.BindPFlag("barbaz", barbaz) + barbaz.Value.Set("true") + barbaz.Changed = true // hack for pflag usage + + assert.False(t, v.IsSet("foobaz")) + assert.True(t, v.IsSet("barbaz")) } func TestDirsSearch(t *testing.T) { - root, config, cleanup := initDirs(t) defer cleanup() @@ -844,6 +1254,7 @@ func TestDirsSearch(t *testing.T) { v.SetDefault(`key`, `default`) entries, err := ioutil.ReadDir(root) + assert.Nil(t, err) for _, e := range entries { if e.IsDir() { v.AddConfigPath(e.Name()) @@ -853,11 +1264,10 @@ func TestDirsSearch(t *testing.T) { err = v.ReadInConfig() assert.Nil(t, err) - assert.Equal(t, `value is `+path.Base(v.configPaths[0]), v.GetString(`key`)) + assert.Equal(t, `value is `+filepath.Base(v.configPaths[0]), v.GetString(`key`)) } func TestWrongDirsSearchNotFound(t *testing.T) { - _, config, cleanup := initDirs(t) defer cleanup() @@ -877,7 +1287,6 @@ func TestWrongDirsSearchNotFound(t *testing.T) { } func TestWrongDirsSearchNotFoundForMerge(t *testing.T) { - _, config, cleanup := initDirs(t) defer cleanup() @@ -940,26 +1349,6 @@ var hclWriteExpected = []byte(`"foos" = { "type" = "donut"`) -func TestWriteConfigHCL(t *testing.T) { - v := New() - fs := afero.NewMemMapFs() - v.SetFs(fs) - v.SetConfigName("c") - v.SetConfigType("hcl") - err := v.ReadConfig(bytes.NewBuffer(hclExample)) - if err != nil { - t.Fatal(err) - } - if err := v.WriteConfigAs("c.hcl"); err != nil { - t.Fatal(err) - } - read, err := afero.ReadFile(fs, "c.hcl") - if err != nil { - t.Fatal(err) - } - assert.Equal(t, hclWriteExpected, read) -} - var jsonWriteExpected = []byte(`{ "batters": { "batter": [ @@ -983,26 +1372,6 @@ var jsonWriteExpected = []byte(`{ "type": "donut" }`) -func TestWriteConfigJson(t *testing.T) { - v := New() - fs := afero.NewMemMapFs() - v.SetFs(fs) - v.SetConfigName("c") - v.SetConfigType("json") - err := v.ReadConfig(bytes.NewBuffer(jsonExample)) - if err != nil { - t.Fatal(err) - } - if err := v.WriteConfigAs("c.json"); err != nil { - t.Fatal(err) - } - read, err := afero.ReadFile(fs, "c.json") - if err != nil { - t.Fatal(err) - } - assert.Equal(t, jsonWriteExpected, read) -} - var propertiesWriteExpected = []byte(`p_id = 0001 p_type = donut p_name = Cake @@ -1010,58 +1379,6 @@ p_ppu = 0.55 p_batters.batter.type = Regular `) -func TestWriteConfigProperties(t *testing.T) { - v := New() - fs := afero.NewMemMapFs() - v.SetFs(fs) - v.SetConfigName("c") - v.SetConfigType("properties") - err := v.ReadConfig(bytes.NewBuffer(propertiesExample)) - if err != nil { - t.Fatal(err) - } - if err := v.WriteConfigAs("c.properties"); err != nil { - t.Fatal(err) - } - read, err := afero.ReadFile(fs, "c.properties") - if err != nil { - t.Fatal(err) - } - assert.Equal(t, propertiesWriteExpected, read) -} - -func TestWriteConfigTOML(t *testing.T) { - fs := afero.NewMemMapFs() - v := New() - v.SetFs(fs) - v.SetConfigName("c") - v.SetConfigType("toml") - err := v.ReadConfig(bytes.NewBuffer(tomlExample)) - if err != nil { - t.Fatal(err) - } - if err := v.WriteConfigAs("c.toml"); err != nil { - t.Fatal(err) - } - - // The TOML String method does not order the contents. - // Therefore, we must read the generated file and compare the data. - v2 := New() - v2.SetFs(fs) - v2.SetConfigName("c") - v2.SetConfigType("toml") - v2.SetConfigFile("c.toml") - err = v2.ReadInConfig() - if err != nil { - t.Fatal(err) - } - - assert.Equal(t, v.GetString("title"), v2.GetString("title")) - assert.Equal(t, v.GetString("owner.bio"), v2.GetString("owner.bio")) - assert.Equal(t, v.GetString("owner.dob"), v2.GetString("owner.dob")) - assert.Equal(t, v.GetString("owner.organization"), v2.GetString("owner.organization")) -} - var yamlWriteExpected = []byte(`age: 35 beard: true clothing: @@ -1078,30 +1395,306 @@ hobbies: name: steve `) -func TestWriteConfigYAML(t *testing.T) { +func TestWriteConfig(t *testing.T) { + fs := afero.NewMemMapFs() + testCases := map[string]struct { + configName string + inConfigType string + outConfigType string + fileName string + input []byte + expectedContent []byte + }{ + "hcl with file extension": { + configName: "c", + inConfigType: "hcl", + outConfigType: "hcl", + fileName: "c.hcl", + input: hclExample, + expectedContent: hclWriteExpected, + }, + "hcl without file extension": { + configName: "c", + inConfigType: "hcl", + outConfigType: "hcl", + fileName: "c", + input: hclExample, + expectedContent: hclWriteExpected, + }, + "hcl with file extension and mismatch type": { + configName: "c", + inConfigType: "hcl", + outConfigType: "json", + fileName: "c.hcl", + input: hclExample, + expectedContent: hclWriteExpected, + }, + "json with file extension": { + configName: "c", + inConfigType: "json", + outConfigType: "json", + fileName: "c.json", + input: jsonExample, + expectedContent: jsonWriteExpected, + }, + "json without file extension": { + configName: "c", + inConfigType: "json", + outConfigType: "json", + fileName: "c", + input: jsonExample, + expectedContent: jsonWriteExpected, + }, + "json with file extension and mismatch type": { + configName: "c", + inConfigType: "json", + outConfigType: "hcl", + fileName: "c.json", + input: jsonExample, + expectedContent: jsonWriteExpected, + }, + "properties with file extension": { + configName: "c", + inConfigType: "properties", + outConfigType: "properties", + fileName: "c.properties", + input: propertiesExample, + expectedContent: propertiesWriteExpected, + }, + "properties without file extension": { + configName: "c", + inConfigType: "properties", + outConfigType: "properties", + fileName: "c", + input: propertiesExample, + expectedContent: propertiesWriteExpected, + }, + "yaml with file extension": { + configName: "c", + inConfigType: "yaml", + outConfigType: "yaml", + fileName: "c.yaml", + input: yamlExample, + expectedContent: yamlWriteExpected, + }, + "yaml without file extension": { + configName: "c", + inConfigType: "yaml", + outConfigType: "yaml", + fileName: "c", + input: yamlExample, + expectedContent: yamlWriteExpected, + }, + "yaml with file extension and mismatch type": { + configName: "c", + inConfigType: "yaml", + outConfigType: "json", + fileName: "c.yaml", + input: yamlExample, + expectedContent: yamlWriteExpected, + }, + } + for name, tc := range testCases { + t.Run(name, func(t *testing.T) { + v := New() + v.SetFs(fs) + v.SetConfigName(tc.fileName) + v.SetConfigType(tc.inConfigType) + + err := v.ReadConfig(bytes.NewBuffer(tc.input)) + if err != nil { + t.Fatal(err) + } + v.SetConfigType(tc.outConfigType) + if err := v.WriteConfigAs(tc.fileName); err != nil { + t.Fatal(err) + } + read, err := afero.ReadFile(fs, tc.fileName) + if err != nil { + t.Fatal(err) + } + assert.Equal(t, tc.expectedContent, read) + }) + } +} + +func TestWriteConfigTOML(t *testing.T) { + fs := afero.NewMemMapFs() + + testCases := map[string]struct { + configName string + configType string + fileName string + input []byte + }{ + "with file extension": { + configName: "c", + configType: "toml", + fileName: "c.toml", + input: tomlExample, + }, + "without file extension": { + configName: "c", + configType: "toml", + fileName: "c", + input: tomlExample, + }, + } + for name, tc := range testCases { + t.Run(name, func(t *testing.T) { + v := New() + v.SetFs(fs) + v.SetConfigName(tc.configName) + v.SetConfigType(tc.configType) + err := v.ReadConfig(bytes.NewBuffer(tc.input)) + if err != nil { + t.Fatal(err) + } + if err := v.WriteConfigAs(tc.fileName); err != nil { + t.Fatal(err) + } + + // The TOML String method does not order the contents. + // Therefore, we must read the generated file and compare the data. + v2 := New() + v2.SetFs(fs) + v2.SetConfigName(tc.configName) + v2.SetConfigType(tc.configType) + v2.SetConfigFile(tc.fileName) + err = v2.ReadInConfig() + if err != nil { + t.Fatal(err) + } + + assert.Equal(t, v.GetString("title"), v2.GetString("title")) + assert.Equal(t, v.GetString("owner.bio"), v2.GetString("owner.bio")) + assert.Equal(t, v.GetString("owner.dob"), v2.GetString("owner.dob")) + assert.Equal(t, v.GetString("owner.organization"), v2.GetString("owner.organization")) + }) + } +} + +func TestWriteConfigDotEnv(t *testing.T) { + fs := afero.NewMemMapFs() + testCases := map[string]struct { + configName string + configType string + fileName string + input []byte + }{ + "with file extension": { + configName: "c", + configType: "env", + fileName: "c.env", + input: dotenvExample, + }, + "without file extension": { + configName: "c", + configType: "env", + fileName: "c", + input: dotenvExample, + }, + } + for name, tc := range testCases { + t.Run(name, func(t *testing.T) { + v := New() + v.SetFs(fs) + v.SetConfigName(tc.configName) + v.SetConfigType(tc.configType) + err := v.ReadConfig(bytes.NewBuffer(tc.input)) + if err != nil { + t.Fatal(err) + } + if err := v.WriteConfigAs(tc.fileName); err != nil { + t.Fatal(err) + } + + // The TOML String method does not order the contents. + // Therefore, we must read the generated file and compare the data. + v2 := New() + v2.SetFs(fs) + v2.SetConfigName(tc.configName) + v2.SetConfigType(tc.configType) + v2.SetConfigFile(tc.fileName) + err = v2.ReadInConfig() + if err != nil { + t.Fatal(err) + } + + assert.Equal(t, v.GetString("title_dotenv"), v2.GetString("title_dotenv")) + assert.Equal(t, v.GetString("type_dotenv"), v2.GetString("type_dotenv")) + assert.Equal(t, v.GetString("kind_dotenv"), v2.GetString("kind_dotenv")) + }) + } +} + +func TestSafeWriteConfig(t *testing.T) { + v := New() + fs := afero.NewMemMapFs() + v.SetFs(fs) + v.AddConfigPath("/test") + v.SetConfigName("c") + v.SetConfigType("yaml") + require.NoError(t, v.ReadConfig(bytes.NewBuffer(yamlExample))) + require.NoError(t, v.SafeWriteConfig()) + read, err := afero.ReadFile(fs, "/test/c.yaml") + require.NoError(t, err) + assert.Equal(t, yamlWriteExpected, read) +} + +func TestSafeWriteConfigWithMissingConfigPath(t *testing.T) { v := New() fs := afero.NewMemMapFs() v.SetFs(fs) v.SetConfigName("c") v.SetConfigType("yaml") + require.EqualError(t, v.SafeWriteConfig(), "missing configuration for 'configPath'") +} + +func TestSafeWriteConfigWithExistingFile(t *testing.T) { + v := New() + fs := afero.NewMemMapFs() + fs.Create("/test/c.yaml") + v.SetFs(fs) + v.AddConfigPath("/test") + v.SetConfigName("c") + v.SetConfigType("yaml") + err := v.SafeWriteConfig() + require.Error(t, err) + _, ok := err.(ConfigFileAlreadyExistsError) + assert.True(t, ok, "Expected ConfigFileAlreadyExistsError") +} + +func TestSafeWriteAsConfig(t *testing.T) { + v := New() + fs := afero.NewMemMapFs() + v.SetFs(fs) err := v.ReadConfig(bytes.NewBuffer(yamlExample)) if err != nil { t.Fatal(err) } - if err := v.WriteConfigAs("c.yaml"); err != nil { + require.NoError(t, v.SafeWriteConfigAs("/test/c.yaml")) + if _, err = afero.ReadFile(fs, "/test/c.yaml"); err != nil { t.Fatal(err) } - read, err := afero.ReadFile(fs, "c.yaml") - if err != nil { - t.Fatal(err) - } - assert.Equal(t, yamlWriteExpected, read) +} + +func TestSafeWriteConfigAsWithExistingFile(t *testing.T) { + v := New() + fs := afero.NewMemMapFs() + fs.Create("/test/c.yaml") + v.SetFs(fs) + err := v.SafeWriteConfigAs("/test/c.yaml") + require.Error(t, err) + _, ok := err.(ConfigFileAlreadyExistsError) + assert.True(t, ok, "Expected ConfigFileAlreadyExistsError") } var yamlMergeExampleTgt = []byte(` hello: pop: 37890 - lagrenum: 765432101234567 + largenum: 765432101234567 + num2pow63: 9223372036854775808 world: - us - uk @@ -1112,10 +1705,13 @@ hello: var yamlMergeExampleSrc = []byte(` hello: pop: 45000 - lagrenum: 7654321001234567 + largenum: 7654321001234567 universe: - mw - ad + ints: + - 1 + - 2 fu: bar `) @@ -1134,8 +1730,20 @@ func TestMergeConfig(t *testing.T) { t.Fatalf("pop != 37890, = %d", pop) } - if pop := v.GetInt64("hello.lagrenum"); pop != int64(765432101234567) { - t.Fatalf("int64 lagrenum != 765432101234567, = %d", pop) + if pop := v.GetInt64("hello.largenum"); pop != int64(765432101234567) { + t.Fatalf("int64 largenum != 765432101234567, = %d", pop) + } + + if pop := v.GetUint("hello.pop"); pop != 37890 { + t.Fatalf("uint pop != 37890, = %d", pop) + } + + if pop := v.GetUint32("hello.pop"); pop != 37890 { + t.Fatalf("uint32 pop != 37890, = %d", pop) + } + + if pop := v.GetUint64("hello.num2pow63"); pop != 9223372036854775808 { + t.Fatalf("uint64 num2pow63 != 9223372036854775808, = %d", pop) } if world := v.GetStringSlice("hello.world"); len(world) != 4 { @@ -1158,8 +1766,8 @@ func TestMergeConfig(t *testing.T) { t.Fatalf("pop != 45000, = %d", pop) } - if pop := v.GetInt64("hello.lagrenum"); pop != int64(7654321001234567) { - t.Fatalf("int64 lagrenum != 7654321001234567, = %d", pop) + if pop := v.GetInt64("hello.largenum"); pop != int64(7654321001234567) { + t.Fatalf("int64 largenum != 7654321001234567, = %d", pop) } if world := v.GetStringSlice("hello.world"); len(world) != 4 { @@ -1170,6 +1778,10 @@ func TestMergeConfig(t *testing.T) { t.Fatalf("len(universe) != 2, = %d", len(universe)) } + if ints := v.GetIntSlice("hello.ints"); len(ints) != 2 { + t.Fatalf("len(ints) != 2, = %d", len(ints)) + } + if fu := v.GetString("fu"); fu != "bar" { t.Fatalf("fu != \"bar\", = %s", fu) } @@ -1210,11 +1822,56 @@ func TestMergeConfigNoMerge(t *testing.T) { t.Fatalf("len(universe) != 2, = %d", len(universe)) } + if ints := v.GetIntSlice("hello.ints"); len(ints) != 2 { + t.Fatalf("len(ints) != 2, = %d", len(ints)) + } + if fu := v.GetString("fu"); fu != "bar" { t.Fatalf("fu != \"bar\", = %s", fu) } } +func TestMergeConfigMap(t *testing.T) { + v := New() + v.SetConfigType("yml") + if err := v.ReadConfig(bytes.NewBuffer(yamlMergeExampleTgt)); err != nil { + t.Fatal(err) + } + + assert := func(i int) { + large := v.GetInt64("hello.largenum") + pop := v.GetInt("hello.pop") + if large != 765432101234567 { + t.Fatal("Got large num:", large) + } + + if pop != i { + t.Fatal("Got pop:", pop) + } + } + + assert(37890) + + update := map[string]interface{}{ + "Hello": map[string]interface{}{ + "Pop": 1234, + }, + "World": map[interface{}]interface{}{ + "Rock": 345, + }, + } + + if err := v.MergeConfigMap(update); err != nil { + t.Fatal(err) + } + + if rock := v.GetInt("world.rock"); rock != 345 { + t.Fatal("Got rock:", rock) + } + + assert(1234) +} + func TestUnmarshalingWithAliases(t *testing.T) { v := New() v.SetDefault("ID", 1) @@ -1251,7 +1908,6 @@ func TestSetConfigNameClearsFileCache(t *testing.T) { } func TestShadowedNestedValue(t *testing.T) { - config := `name: steve clothing: jacket: leather @@ -1431,7 +2087,6 @@ func doTestCaseInsensitive(t *testing.T, typ, config string) { assert.Equal(t, 3, cast.ToInt(Get("ef.ijk"))) assert.Equal(t, 4, cast.ToInt(Get("ef.lm.no"))) assert.Equal(t, 5, cast.ToInt(Get("ef.lm.p.q"))) - } func newViperWithConfigFile(t *testing.T) (*Viper, string, func()) { @@ -1480,6 +2135,10 @@ func newViperWithSymlinkedConfigFile(t *testing.T) (*Viper, string, string, func } func TestWatchFile(t *testing.T) { + if runtime.GOOS == "linux" { + // TODO(bep) FIX ME + t.Skip("Skip test on Linux ...") + } t.Run("file content changed", func(t *testing.T) { // given a `config.yaml` file being watched @@ -1532,7 +2191,90 @@ func TestWatchFile(t *testing.T) { require.Nil(t, err) assert.Equal(t, "baz", v.Get("foo")) }) +} +func TestUnmarshal_DotSeparatorBackwardCompatibility(t *testing.T) { + flags := pflag.NewFlagSet("test", pflag.ContinueOnError) + flags.String("foo.bar", "cobra_flag", "") + + v := New() + assert.NoError(t, v.BindPFlags(flags)) + + config := &struct { + Foo struct { + Bar string + } + }{} + + assert.NoError(t, v.Unmarshal(config)) + assert.Equal(t, "cobra_flag", config.Foo.Bar) +} + +var yamlExampleWithDot = []byte(`Hacker: true +name: steve +hobbies: + - skateboarding + - snowboarding + - go +clothing: + jacket: leather + trousers: denim + pants: + size: large +age: 35 +eyes : brown +beard: true +emails: + steve@hacker.com: + created: 01/02/03 + active: true +`) + +func TestKeyDelimiter(t *testing.T) { + v := NewWithOptions(KeyDelimiter("::")) + v.SetConfigType("yaml") + r := strings.NewReader(string(yamlExampleWithDot)) + + err := v.unmarshalReader(r, v.config) + require.NoError(t, err) + + values := map[string]interface{}{ + "image": map[string]interface{}{ + "repository": "someImage", + "tag": "1.0.0", + }, + "ingress": map[string]interface{}{ + "annotations": map[string]interface{}{ + "traefik.frontend.rule.type": "PathPrefix", + "traefik.ingress.kubernetes.io/ssl-redirect": "true", + }, + }, + } + + v.SetDefault("charts::values", values) + + assert.Equal(t, "leather", v.GetString("clothing::jacket")) + assert.Equal(t, "01/02/03", v.GetString("emails::steve@hacker.com::created")) + + type config struct { + Charts struct { + Values map[string]interface{} + } + } + + expected := config{ + Charts: struct { + Values map[string]interface{} + }{ + Values: values, + }, + } + + var actual config + + assert.NoError(t, v.Unmarshal(&actual)) + + assert.Equal(t, expected, actual) } func BenchmarkGetBool(b *testing.B) { @@ -1559,7 +2301,7 @@ func BenchmarkGet(b *testing.B) { } } -// This is the "perfect result" for the above. +// BenchmarkGetBoolFromMap is the "perfect result" for the above. func BenchmarkGetBoolFromMap(b *testing.B) { m := make(map[string]bool) key := "BenchmarkGetBool"