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feat(encoding): drop HCL, Java properties and INI dependencies

Browse source 
Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
This commit is contained in:
Mark Sagi-Kazar 2024-06-24 15:18:50 +02:00 committed by Márk Sági-Kazár
parent 687cfb73cf
commit ee6cffa48d
11 changed files with 0 additions and 699 deletions
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3
go.mod
View file

@ -5,8 +5,6 @@ go 1.21
require ( require (
github.com/fsnotify/fsnotify v1.7.0 github.com/fsnotify/fsnotify v1.7.0
github.com/go-viper/mapstructure/v2 v2.0.0 github.com/go-viper/mapstructure/v2 v2.0.0
github.com/hashicorp/hcl v1.0.0
github.com/magiconair/properties v1.8.7
github.com/pelletier/go-toml/v2 v2.2.2 github.com/pelletier/go-toml/v2 v2.2.2
github.com/sagikazarmark/locafero v0.6.0 github.com/sagikazarmark/locafero v0.6.0
github.com/spf13/afero v1.11.0 github.com/spf13/afero v1.11.0
@ -14,7 +12,6 @@ require (
github.com/spf13/pflag v1.0.5 github.com/spf13/pflag v1.0.5
github.com/stretchr/testify v1.9.0 github.com/stretchr/testify v1.9.0
github.com/subosito/gotenv v1.6.0 github.com/subosito/gotenv v1.6.0
gopkg.in/ini.v1 v1.67.0
gopkg.in/yaml.v3 v3.0.1 gopkg.in/yaml.v3 v3.0.1
) )

6
go.sum
View file

@ -9,14 +9,10 @@ github.com/go-viper/mapstructure/v2 v2.0.0 h1:dhn8MZ1gZ0mzeodTG3jt5Vj/o87xZKuNAp
github.com/go-viper/mapstructure/v2 v2.0.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM= github.com/go-viper/mapstructure/v2 v2.0.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM= github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs= github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@ -56,8 +52,6 @@ golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

40
internal/encoding/hcl/codec.go
View file

@ -1,40 +0,0 @@
package hcl
import (
"bytes"
"encoding/json"
"github.com/hashicorp/hcl"
"github.com/hashicorp/hcl/hcl/printer"
)
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for HCL encoding.
// TODO: add printer config to the codec?
type Codec struct{}
func (Codec) Encode(v map[string]any) ([]byte, error) {
b, err := json.Marshal(v)
if err != nil {
return nil, err
}
// TODO: use printer.Format? Is the trailing newline an issue?
ast, err := hcl.Parse(string(b))
if err != nil {
return nil, err
}
var buf bytes.Buffer
err = printer.Fprint(&buf, ast.Node)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (Codec) Decode(b []byte, v map[string]any) error {
return hcl.Unmarshal(b, &v)
}

132
internal/encoding/hcl/codec_test.go
View file

@ -1,132 +0,0 @@
package hcl
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// original form of the data.
const original = `# key-value pair
"key" = "value"
// list
"list" = ["item1", "item2", "item3"]
/* map */
"map" = {
"key" = "value"
}
/*
nested map
*/
"nested_map" "map" {
"key" = "value"
"list" = ["item1", "item2", "item3"]
}`
// encoded form of the data.
const encoded = `"key" = "value"
"list" = ["item1", "item2", "item3"]
"map" = {
"key" = "value"
}
"nested_map" "map" {
"key" = "value"
"list" = ["item1", "item2", "item3"]
}`
// decoded form of the data.
//
// In case of HCL it's slightly different from Viper's internal representation
// (e.g. map is decoded into a list of maps).
var decoded = map[string]any{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
"map": []map[string]any{
{
"key": "value",
},
},
"nested_map": []map[string]any{
{
"map": []map[string]any{
{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
},
},
},
},
}
// data is Viper's internal representation.
var data = map[string]any{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
"map": map[string]any{
"key": "value",
},
"nested_map": map[string]any{
"map": map[string]any{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
},
},
}
func TestCodec_Encode(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
require.NoError(t, err)
assert.Equal(t, encoded, string(b))
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(original), v)
require.NoError(t, err)
assert.Equal(t, decoded, v)
})
t.Run("InvalidData", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(`invalid data`), v)
require.Error(t, err)
t.Logf("decoding failed as expected: %s", err)
})
}

99
internal/encoding/ini/codec.go
View file

@ -1,99 +0,0 @@
package ini
import (
"bytes"
"sort"
"strings"
"github.com/spf13/cast"
"gopkg.in/ini.v1"
)
// LoadOptions contains all customized options used for load data source(s).
// This type is added here for convenience: this way consumers can import a single package called "ini".
type LoadOptions = ini.LoadOptions
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for INI encoding.
type Codec struct {
KeyDelimiter string
LoadOptions LoadOptions
}
func (c Codec) Encode(v map[string]any) ([]byte, error) {
cfg := ini.Empty()
ini.PrettyFormat = false
flattened := map[string]any{}
flattened = flattenAndMergeMap(flattened, v, "", c.keyDelimiter())
keys := make([]string, 0, len(flattened))
for key := range flattened {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
sectionName, keyName := "", key
lastSep := strings.LastIndex(key, ".")
if lastSep != -1 {
sectionName = key[:(lastSep)]
keyName = key[(lastSep + 1):]
}
// TODO: is this a good idea?
if sectionName == "default" {
sectionName = ""
}
cfg.Section(sectionName).Key(keyName).SetValue(cast.ToString(flattened[key]))
}
var buf bytes.Buffer
_, err := cfg.WriteTo(&buf)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (c Codec) Decode(b []byte, v map[string]any) error {
cfg := ini.Empty(c.LoadOptions)
err := cfg.Append(b)
if err != nil {
return 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()
deepestMap := deepSearch(v, strings.Split(section.Name(), c.keyDelimiter()))
// set innermost value
deepestMap[key.Name()] = value
}
}
return nil
}
func (c Codec) keyDelimiter() string {
if c.KeyDelimiter == "" {
return "."
}
return c.KeyDelimiter
}

99
internal/encoding/ini/codec_test.go
View file

@ -1,99 +0,0 @@
package ini
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// original form of the data.
const original = `; key-value pair
key=value ; key-value pair
# map
[map] # map
key=%(key)s
`
// encoded form of the data.
const encoded = `key=value
[map]
key=value
`
// decoded form of the data.
//
// In case of INI it's slightly different from Viper's internal representation
// (e.g. top level keys land in a section called default).
var decoded = map[string]any{
"DEFAULT": map[string]any{
"key": "value",
},
"map": map[string]any{
"key": "value",
},
}
// data is Viper's internal representation.
var data = map[string]any{
"key": "value",
"map": map[string]any{
"key": "value",
},
}
func TestCodec_Encode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
require.NoError(t, err)
assert.Equal(t, encoded, string(b))
})
t.Run("Default", func(t *testing.T) {
codec := Codec{}
data := map[string]any{
"default": map[string]any{
"key": "value",
},
"map": map[string]any{
"key": "value",
},
}
b, err := codec.Encode(data)
require.NoError(t, err)
assert.Equal(t, encoded, string(b))
})
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(original), v)
require.NoError(t, err)
assert.Equal(t, decoded, v)
})
t.Run("InvalidData", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(`invalid data`), v)
require.Error(t, err)
t.Logf("decoding failed as expected: %s", err)
})
}

74
internal/encoding/ini/map_utils.go
View file

@ -1,74 +0,0 @@
package ini
import (
"strings"
"github.com/spf13/cast"
)
// THIS CODE IS COPIED HERE: IT SHOULD NOT BE MODIFIED
// AT SOME POINT IT WILL BE MOVED TO A COMMON PLACE
// deepSearch scans deep maps, following the key indexes listed in the
// sequence "path".
// The last value is expected to be another map, and is returned.
//
// In case intermediate keys do not exist, or map to a non-map value,
// a new map is created and inserted, and the search continues from there:
// the initial map "m" may be modified!
func deepSearch(m map[string]any, path []string) map[string]any {
for _, k := range path {
m2, ok := m[k]
if !ok {
// intermediate key does not exist
// => create it and continue from there
m3 := make(map[string]any)
m[k] = m3
m = m3
continue
}
m3, ok := m2.(map[string]any)
if !ok {
// intermediate key is a value
// => replace with a new map
m3 = make(map[string]any)
m[k] = m3
}
// continue search from here
m = m3
}
return m
}
// flattenAndMergeMap recursively flattens the given map into a new map
// Code is based on the function with the same name in the main package.
// TODO: move it to a common place.
func flattenAndMergeMap(shadow, m map[string]any, prefix, delimiter string) map[string]any {
if shadow != nil && prefix != "" && shadow[prefix] != nil {
// prefix is shadowed => nothing more to flatten
return shadow
}
if shadow == nil {
shadow = make(map[string]any)
}
var m2 map[string]any
if prefix != "" {
prefix += delimiter
}
for k, val := range m {
fullKey := prefix + k
switch val := val.(type) {
case map[string]any:
m2 = val
case map[any]any:
m2 = cast.ToStringMap(val)
default:
// immediate value
shadow[strings.ToLower(fullKey)] = val
continue
}
// recursively merge to shadow map
shadow = flattenAndMergeMap(shadow, m2, fullKey, delimiter)
}
return shadow
}

86
internal/encoding/javaproperties/codec.go
View file

@ -1,86 +0,0 @@
package javaproperties
import (
"bytes"
"sort"
"strings"
"github.com/magiconair/properties"
"github.com/spf13/cast"
)
// Codec implements the encoding.Encoder and encoding.Decoder interfaces for Java properties encoding.
type Codec struct {
KeyDelimiter string
// Store read properties on the object so that we can write back in order with comments.
// This will only be used if the configuration read is a properties file.
// TODO: drop this feature in v2
// TODO: make use of the global properties object optional
Properties *properties.Properties
}
func (c *Codec) Encode(v map[string]any) ([]byte, error) {
if c.Properties == nil {
c.Properties = properties.NewProperties()
}
flattened := map[string]any{}
flattened = flattenAndMergeMap(flattened, v, "", c.keyDelimiter())
keys := make([]string, 0, len(flattened))
for key := range flattened {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
_, _, err := c.Properties.Set(key, cast.ToString(flattened[key]))
if err != nil {
return nil, err
}
}
var buf bytes.Buffer
_, err := c.Properties.WriteComment(&buf, "#", properties.UTF8)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (c *Codec) Decode(b []byte, v map[string]any) error {
var err error
c.Properties, err = properties.Load(b, properties.UTF8)
if err != nil {
return err
}
for _, key := range c.Properties.Keys() {
// ignore existence check: we know it's there
value, _ := c.Properties.Get(key)
// recursively build nested maps
path := strings.Split(key, c.keyDelimiter())
lastKey := strings.ToLower(path[len(path)-1])
deepestMap := deepSearch(v, path[0:len(path)-1])
// set innermost value
deepestMap[lastKey] = value
}
return nil
}
func (c Codec) keyDelimiter() string {
if c.KeyDelimiter == "" {
return "."
}
return c.KeyDelimiter
}

75
internal/encoding/javaproperties/codec_test.go
View file

@ -1,75 +0,0 @@
package javaproperties
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// original form of the data.
const original = `#key-value pair
key = value
map.key = value
`
// encoded form of the data.
const encoded = `key = value
map.key = value
`
// data is Viper's internal representation.
var data = map[string]any{
"key": "value",
"map": map[string]any{
"key": "value",
},
}
func TestCodec_Encode(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
require.NoError(t, err)
assert.Equal(t, encoded, string(b))
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(original), v)
require.NoError(t, err)
assert.Equal(t, data, v)
})
t.Run("InvalidData", func(t *testing.T) {
t.Skip("TODO: needs invalid data example")
codec := Codec{}
v := map[string]any{}
codec.Decode([]byte(``), v)
assert.Empty(t, v)
})
}
func TestCodec_DecodeEncode(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(original), v)
require.NoError(t, err)
b, err := codec.Encode(data)
require.NoError(t, err)
assert.Equal(t, original, string(b))
}

74
internal/encoding/javaproperties/map_utils.go
View file

@ -1,74 +0,0 @@
package javaproperties
import (
"strings"
"github.com/spf13/cast"
)
// THIS CODE IS COPIED HERE: IT SHOULD NOT BE MODIFIED
// AT SOME POINT IT WILL BE MOVED TO A COMMON PLACE
// deepSearch scans deep maps, following the key indexes listed in the
// sequence "path".
// The last value is expected to be another map, and is returned.
//
// In case intermediate keys do not exist, or map to a non-map value,
// a new map is created and inserted, and the search continues from there:
// the initial map "m" may be modified!
func deepSearch(m map[string]any, path []string) map[string]any {
for _, k := range path {
m2, ok := m[k]
if !ok {
// intermediate key does not exist
// => create it and continue from there
m3 := make(map[string]any)
m[k] = m3
m = m3
continue
}
m3, ok := m2.(map[string]any)
if !ok {
// intermediate key is a value
// => replace with a new map
m3 = make(map[string]any)
m[k] = m3
}
// continue search from here
m = m3
}
return m
}
// flattenAndMergeMap recursively flattens the given map into a new map
// Code is based on the function with the same name in the main package.
// TODO: move it to a common place.
func flattenAndMergeMap(shadow, m map[string]any, prefix, delimiter string) map[string]any {
if shadow != nil && prefix != "" && shadow[prefix] != nil {
// prefix is shadowed => nothing more to flatten
return shadow
}
if shadow == nil {
shadow = make(map[string]any)
}
var m2 map[string]any
if prefix != "" {
prefix += delimiter
}
for k, val := range m {
fullKey := prefix + k
switch val := val.(type) {
case map[string]any:
m2 = val
case map[any]any:
m2 = cast.ToStringMap(val)
default:
// immediate value
shadow[strings.ToLower(fullKey)] = val
continue
}
// recursively merge to shadow map
shadow = flattenAndMergeMap(shadow, m2, fullKey, delimiter)
}
return shadow
}

11
viper.go
View file

@ -40,7 +40,6 @@ import (
"github.com/spf13/cast" "github.com/spf13/cast"
"github.com/spf13/pflag" "github.com/spf13/pflag"
"github.com/spf13/viper/internal/encoding/ini"
"github.com/spf13/viper/internal/features" "github.com/spf13/viper/internal/features"
) )
@ -163,9 +162,6 @@ type Viper struct {
configPermissions os.FileMode configPermissions os.FileMode
envPrefix string envPrefix string
// Specific commands for ini parsing
iniLoadOptions ini.LoadOptions
automaticEnvApplied bool automaticEnvApplied bool
envKeyReplacer StringReplacer envKeyReplacer StringReplacer
allowEmptyEnv bool allowEmptyEnv bool
@ -1937,13 +1933,6 @@ func (v *Viper) SetConfigPermissions(perm os.FileMode) {
v.configPermissions = perm.Perm() v.configPermissions = perm.Perm()
} }
// IniLoadOptions sets the load options for ini parsing.
func IniLoadOptions(in ini.LoadOptions) Option {
return optionFunc(func(v *Viper) {
v.iniLoadOptions = in
})
}
func (v *Viper) getConfigType() string { func (v *Viper) getConfigType() string {
if v.configType != "" { if v.configType != "" {
return v.configType return v.configType