class AdminModule::Rake::SnapshotTasks
Attributes
action[R]
env[RW]
name[RW]
path[RW]
stop_on_exception[R]
to[RW]
valid_actions[R]
Public Class Methods
install()
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# File lib/admin_module/rake/snapshot_tasks.rb, line 193 def install new.install end
new(task_name = 'snapshots_task', desc = "modify snapshot definition(s)") { |self| ... }
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# File lib/admin_module/rake/snapshot_tasks.rb, line 25 def initialize(task_name = 'snapshots_task', desc = "modify snapshot definition(s)") @valid_actions = ['import', 'export', 'read', 'list', 'rename'] @task_name, @desc = task_name, desc @stop_on_exception = true yield self if block_given? define_task end
Public Instance Methods
action=(task_action)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 56 def action=(task_action) raise "action must be one of #{valid_types.join(', ')}" unless valid_actions.include?(task_action.downcase) @action = task_action end
assert_env_is_configured(arg)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 150 def assert_env_is_configured arg unless AdminModule.configuration.credentials.key? arg init_msg = "Have you initialized your config file?\n Try: admin_module config init <filedir>" env_msg = "Have you configured your environments?\n Try: admin_module config add env <envname> <url>" raise "Unknown environment: #{arg}\n#{init_msg}\n\n#{env_msg}" end end
assert_provided(value, msg)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 144 def assert_provided value, msg if value.nil? || value.empty? raise msg end end
commit()
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Execute the task (action)
# File lib/admin_module/rake/snapshot_tasks.rb, line 70 def commit validate_params client = AdminModule::Client.new client.env = env if self.respond_to? action self.send(action, client) return else raise "Unknown action - #{action}" end rescue Exception => e raise e if stop_on_exception == true ensure client.quit end
export(client)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 108 def export client $stdout << client.snapshots.export(path) end
import(client)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 104 def import client $stdout << client.snapshots.import(path) end
install()
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Instance method to generate the tasks; For each environment where we have configured credentials, generate a task for each available action.
# File lib/admin_module/rake/snapshot_tasks.rb, line 204 def install AdminModule.configuration.credentials.keys.each do |e| valid_actions.each do |action| AdminModule::Rake::SnapshotTasks.new("am:#{e}:snapshot:#{action}", "#{action} #{e} snapshot defn(s)") do |t| t.env = e t.action = action end end end end
list(client)
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Actions
# File lib/admin_module/rake/snapshot_tasks.rb, line 93 def list client $stdout << client.snapshots.list.join("\n") $stdout << "\n" end
read(client)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 98 def read client result = {} result[name] = client.snapshots.read(name) $stdout << result.to_yaml end
rename(client)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 112 def rename client $stdout << client.snapshots.rename(name, to) end
required_args_for_action()
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Define the task args, based on the action. Used when programatically generating the tasks.
# File lib/admin_module/rake/snapshot_tasks.rb, line 163 def required_args_for_action args = [] case action when 'read' args << :name when 'rename' args << :name args << :to when 'import' args << :path when 'export' args << :path else # Noop end args end
set_vars(args)
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Add each arg passed to the task, as an instance variable of the task
# File lib/admin_module/rake/snapshot_tasks.rb, line 48 def set_vars args args.each do |arg,val| instance_variable_set "@#{arg}", val end args end
stop_on_exception=(do_stop)
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# File lib/admin_module/rake/snapshot_tasks.rb, line 61 def stop_on_exception=(do_stop) raise ArgumentError, 'Expecting true or false' unless do_stop === true || do_stop === false @stop_on_exception = do_stop end
validate_params()
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Verify we have the needed parameters (arguments) to perform the task action.
# File lib/admin_module/rake/snapshot_tasks.rb, line 121 def validate_params assert_provided env, 'Missing "env"' assert_provided action, 'Missing "action"' case action when 'import' assert_provided path, 'Missing "path"' when 'export' assert_provided path, 'Missing "path"' when 'read' assert_provided name, 'Missing "name"' when 'rename' assert_provided name, 'Missing "name"' assert_provided to, 'Missing "to"' end assert_env_is_configured env end