glenux/vagrant-cachier-ng
glenux/vagrant-cachier-ng
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Reconfigure buckets around after each provisioner

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Unfortunately I couldn't think of another way of doing this apart from
monkey patching, there is no way to replace a previously defined action
neither we can hook into calls to provisioners themselves.
This commit is contained in:
Fabio Rehm 2013-07-21 20:46:20 -03:00
parent 410872230b
commit e7912fa14a
3 changed files with 75 additions and 61 deletions
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54
lib/vagrant-cachier/action/install.rb
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@ -1,54 +0,0 @@
module VagrantPlugins
module Cachier
class Action
class Install
def initialize(app, env)
@app = app
@logger = Log4r::Logger.new("vagrant::cachier::action::install")
end
def call(env)
return @app.call(env) unless env[:machine].config.cache.enabled?
@env = env
FileUtils.mkdir_p(cache_root.to_s) unless cache_root.exist?
nfs_flag = env[:machine].config.cache.enable_nfs
env[:machine].config.vm.synced_folder cache_root, '/tmp/vagrant-cache', id: "vagrant-cache", nfs: nfs_flag
@app.call env
env[:cache_dirs] = []
if env[:machine].config.cache.auto_detect
Bucket.auto_detect(env)
end
if env[:machine].config.cache.buckets.any?
env[:ui].info 'Configuring cache buckets...'
cache_config = env[:machine].config.cache
cache_config.buckets.each do |bucket_name, configs|
@logger.debug "Installing #{bucket_name} with configs #{configs.inspect}"
Bucket.install(bucket_name, env, configs)
end
data_file = env[:machine].data_dir.join('cache_dirs')
data_file.open('w') { |f| f.print env[:cache_dirs].join("\n") }
end
end
def cache_root
@cache_root ||= case @env[:machine].config.cache.scope
when :box
@env[:home_path].join('cache', @env[:machine].box.name)
when :machine
@env[:machine].data_dir.join('cache')
else
raise "Unknown cache scope: '#{@env[:machine].config.cache.scope}'"
end
end
end
end
end
end

70
lib/vagrant-cachier/action/provision_ext.rb Normal file
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@ -0,0 +1,70 @@
require_relative '../bucket'
module VagrantPlugins
module Cachier
module Action
module ProvisionExt
def self.included(base)
base.class_eval do
def cachier_debug(msg)
@logger.debug "[CACHIER] #{msg}"
end
alias :old_call :call
def call(env)
return old_call(env) unless env[:machine].config.cache.enabled?
@env = env
FileUtils.mkdir_p(cache_root.to_s) unless cache_root.exist?
nfs_flag = env[:machine].config.cache.enable_nfs
env[:machine].config.vm.synced_folder cache_root, '/tmp/vagrant-cache', id: "vagrant-cache", nfs: nfs_flag
env[:cache_dirs] = []
old_call(env)
configure_cache_buckets
end
alias :old_run_provisioner :run_provisioner
def run_provisioner(*args)
configure_cache_buckets
old_run_provisioner(*args)
end
def configure_cache_buckets
if @env[:machine].config.cache.auto_detect
Bucket.auto_detect(@env)
end
return unless @env[:machine].config.cache.buckets.any?
@env[:ui].info 'Configuring cache buckets...'
cache_config = @env[:machine].config.cache
cache_config.buckets.each do |bucket_name, configs|
cachier_debug "Installing #{bucket_name} with configs #{configs.inspect}"
Bucket.install(bucket_name, @env, configs)
end
data_file = @env[:machine].data_dir.join('cache_dirs')
data_file.open('w') { |f| f.print @env[:cache_dirs].uniq.join("\n") }
end
def cache_root
@cache_root ||= case @env[:machine].config.cache.scope
when :box
@env[:home_path].join('cache', @env[:machine].box.name)
when :machine
@env[:machine].data_dir.join('cache')
else
raise "Unknown cache scope: '#{@env[:machine].config.cache.scope}'"
end
end
end
end
end
end
end
end

12
lib/vagrant-cachier/plugin.rb
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@ -1,3 +1,8 @@
require_relative 'action/provision_ext'
Vagrant::Action::Builtin::Provision.class_eval do
include VagrantPlugins::Cachier::Action::ProvisionExt
end
module VagrantPlugins
module Cachier
class Plugin < Vagrant.plugin('2')
@ -38,13 +43,6 @@ module VagrantPlugins
Cap::Arch::PacmanCacheDir
end
install_action_hook = lambda do |hook|
require_relative 'action/install'
hook.after Vagrant::Action::Builtin::Provision, VagrantPlugins::Cachier::Action::Install
end
action_hook 'set-shared-cache-on-machine-up', :machine_action_up, &install_action_hook
action_hook 'set-shared-cache-on-machine-reload', :machine_action_reload, &install_action_hook
clean_action_hook = lambda do |hook|
require_relative 'action/clean'
hook.before Vagrant::Action::Builtin::GracefulHalt, VagrantPlugins::Cachier::Action::Clean