Class: Bolt::Application

Inherits:
Object
  • Object
show all
Defined in:
lib/bolt/application.rb

Instance Method Summary collapse

Constructor Details

#initialize(analytics:, config:, executor:, inventory:, pal:, plugins:) ⇒ Application

Returns a new instance of Application.


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# File 'lib/bolt/application.rb', line 13

def initialize(
  analytics:,
  config:,
  executor:,
  inventory:,
  pal:,
  plugins:
)
  @analytics = analytics
  @config    = config
  @executor  = executor
  @inventory = inventory
  @logger    = Bolt::Logger.logger(self)
  @pal       = pal
  @plugins   = plugins
end

Instance Method Details

#add_module(name, outputter) ⇒ Boolean

Add a new module to the project.

Parameters:

  • name (String)

    The name of the module to add.

  • outputter (Bolt::Outputter)

    An outputter instance.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 251

def add_module(name, outputter)
  assert_project_file(config.project)

  installer = Bolt::ModuleInstaller.new(outputter, pal)

  installer.add(name,
                config.project.modules,
                config.project.puppetfile,
                config.project.managed_moduledir,
                config.project.project_file,
                @plugins.resolve_references(config.module_install))
end

#apply(manifest, targets, code: '', noop: false) ⇒ Bolt::ResultSet

Apply Puppet manifest code to a list of targets.

Parameters:

  • manifest (String, NilClass)

    The path to a Puppet manifest file.

  • targets (Array[String])

    The targets to run on.

  • code (String) (defaults to: '')

    Puppet manifest code to apply.

  • noop (Boolean) (defaults to: false)

    Whether to apply in no-operation mode.

Returns:


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# File 'lib/bolt/application.rb', line 44

def apply(manifest, targets, code: '', noop: false)
  manifest_code = if manifest
                    Bolt::Util.validate_file('manifest', manifest)
                    File.read(File.expand_path(manifest))
                  else
                    code
                  end

  targets = inventory.get_targets(targets)

  Puppet[:tasks] = false
  ast = pal.parse_manifest(manifest_code, manifest)

  if defined?(ast.body) &&
     (ast.body.is_a?(Puppet::Pops::Model::HostClassDefinition) ||
     ast.body.is_a?(Puppet::Pops::Model::ResourceTypeDefinition))
    message = "Manifest only contains definitions and will result in no changes on the targets. "\
              "Definitions must be declared for their resources to be applied. You can read more "\
              "about defining and declaring classes and types in the Puppet documentation at "\
              "https://puppet.com/docs/puppet/latest/lang_classes.html and "\
              "https://puppet.com/docs/puppet/latest/lang_defined_types.html"
    Bolt::Logger.warn("empty_manifest", message)
  end

  # Apply logging looks like plan logging
  executor.publish_event(type: :plan_start, plan: nil)

  with_benchmark do
    apply_prep_results = pal.in_plan_compiler(executor, inventory, plugins.puppetdb_client) do |compiler|
      compiler.call_function('apply_prep', targets, '_catch_errors' => true)
    end

    apply_results = pal.with_bolt_executor(executor, inventory, plugins.puppetdb_client) do
      Puppet.lookup(:apply_executor)
            .apply_ast(ast, apply_prep_results.ok_set.targets, catch_errors: true, noop: noop)
    end

    Bolt::ResultSet.new(apply_prep_results.error_set.results + apply_results.results)
  end
end

#apply_policies(policies, targets, noop: false) ⇒ Bolt::ResultSet

Applies one or more policies to the specified targets.

Parameters:

  • policies (String)

    A comma-separated list of policies to apply.

  • targets (Array[String])

    The list of targets to apply the policies to.

  • noop (Boolean) (defaults to: false)

    Whether to apply the policies in no-operation mode.

Returns:


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# File 'lib/bolt/application.rb', line 423

def apply_policies(policies, targets, noop: false)
  policies = policies.split(',')

  # Validate that the policies are available to the project.
  unavailable_policies = policies.reject do |policy|
    @config.policies&.any? do |known_policy|
      File.fnmatch?(known_policy, policy, File::FNM_EXTGLOB)
    end
  end

  if unavailable_policies.any?
    command = Bolt::Util.powershell? ? 'Get-BoltPolicy' : 'bolt policy show'

    # CODEREVIEW: Phrasing
    raise Bolt::Error.new(
      "The following policies are not available to the project: '#{unavailable_policies.join("', '")}'. "\
      "You must list policies in a project's 'policies' setting before Bolt can apply them to targets. "\
      "For a list of policies available to the project, run '#{command}'.",
      'bolt/unavailable-policy-error'
    )
  end

  # Validate that the policies are loadable Puppet classes.
  unloadable_policies = []

  @pal.in_catalog_compiler do |_|
    environment = Puppet.lookup(:current_environment)

    unloadable_policies = policies.reject do |policy|
      environment.known_resource_types.find_hostclass(policy)
    end
  end

  # CODEREVIEW: Phrasing
  if unloadable_policies.any?
    raise Bolt::Error.new(
      "The following policies cannot be loaded: '#{unloadable_policies.join("', '")}'. "\
      "Policies must be a Puppet class saved to a project's or module's manifests directory.",
      'bolt/unloadable-policy-error'
    )
  end

  # Execute a single include statement with all the policies to apply them
  # to the targets. Yay, reusable code!
  apply(nil, targets, code: "include #{policies.join(', ')}", noop: noop)
end

#convert_plan(plan) ⇒ String

Convert a YAML plan to a Puppet language plan.

Parameters:

  • plan (String)

    The plan to convert. Can be a plan name or a path.

Returns:

  • (String)

    The converted plan.


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# File 'lib/bolt/application.rb', line 322

def convert_plan(plan)
  pal.convert_plan(plan)
end

#create_project(name, outputter, modules: nil) ⇒ Boolean

Initialize the current directory as a Bolt project.

Parameters:

  • name (String)

    The name of the project.

  • An (Bolt::Outputter)

    outputter instance.

  • modules (Array[String], NilClass) (defaults to: nil)

    Modules to install.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 595

def create_project(name, outputter, modules: nil)
  Bolt::ProjectManager.new(config, outputter, pal)
                      .create(Dir.pwd, name, modules)
end

#create_secret_keys(force: false, plugin: 'pkcs7') ⇒ Boolean

Generate a keypair using the configured secret plugin.

Parameters:

  • force (Boolean) (defaults to: false)

    Forcibly create a keypair.

  • plugin (String) (defaults to: 'pkcs7')

    The secret plugin to use.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 633

def create_secret_keys(force: false, plugin: 'pkcs7')
  unless plugins.by_name(plugin)
    raise Bolt::Plugin::PluginError::Unknown, plugin
  end

  plugins.get_hook(plugin, :secret_createkeys)
         .call('force' => force)
end

#decrypt_secret(ciphertext, plugin: 'pkcs7') ⇒ Boolean

Decrypt ciphertext using the configured secret plugin.

Parameters:

  • ciphertext (String)

    The ciphertext to decrypt.

  • plugin (String) (defaults to: 'pkcs7')

    The secret plugin to use.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 648

def decrypt_secret(ciphertext, plugin: 'pkcs7')
  unless plugins.by_name(plugin)
    raise Bolt::Plugin::PluginError::Unknown, plugin
  end

  plugins.get_hook(plugin, :secret_decrypt)
         .call('encrypted_value' => ciphertext)
end

#download_file(source, destination, targets) ⇒ Bolt::ResultSet

Download a file from a list of targets to a directory on the controller.

Parameters:

  • source (String)

    The path to the file on the targets.

  • destination (String)

    The path to the directory on the controller.

  • targets (Array[String])

    The targets to run on.

Returns:


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# File 'lib/bolt/application.rb', line 107

def download_file(source, destination, targets)
  destination = File.expand_path(destination, Dir.pwd)
  targets     = inventory.get_targets(targets)

  with_benchmark do
    executor.download_file(targets, source, destination)
  end
end

#encrypt_secret(plaintext, plugin: 'pkcs7') ⇒ Boolean

Encrypt plaintext using the configured secret plugin.

Parameters:

  • plaintext (String)

    The plaintext to encrypt.

  • plugin (String) (defaults to: 'pkcs7')

    The secret plugin to use.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 663

def encrypt_secret(plaintext, plugin: 'pkcs7')
  unless plugins.by_name(plugin)
    raise Bolt::Plugin::PluginError::Unknown, plugin
  end

  plugins.get_hook(plugin, :secret_encrypt)
         .call('plaintext_value' => plaintext)
end

#generate_typesBoolean

Generate Puppet data types from project modules.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 268

def generate_types
  pal.generate_types(cache: true)
end

#install_modules(outputter, force: false, resolve: true) ⇒ Boolean

Install the project's modules.

Parameters:

  • outputter (Bolt::Outputter)

    An outputter instance.

  • force (Boolean) (defaults to: false)

    Forcibly install modules.

  • resolve (Boolean) (defaults to: true)

    Resolve module dependencies.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 279

def install_modules(outputter, force: false, resolve: true)
  assert_project_file(config.project)

  if config.project.modules.empty? && resolve
    outputter.print_message(
      "Project configuration file #{config.project.project_file} does not "\
      "specify any module dependencies. Nothing to do."
    )
    return true
  end

  installer = Bolt::ModuleInstaller.new(outputter, pal)

  installer.install(config.project.modules,
                    config.project.puppetfile,
                    config.project.managed_moduledir,
                    @plugins.resolve_references(config.module_install),
                    force: force,
                    resolve: resolve)
end

#list_groupsHash

Show groups in the inventory.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 138

def list_groups
  {
    count: inventory.group_names.count,
    groups: inventory.group_names.sort,
    inventory: {
      default: config.default_inventoryfile.to_s,
      source: inventory.source
    }
  }
end

#list_guidesBoolean

Show available guides.

Parameters:

  • guides (Hash)

    A map of topics to paths to guides.

  • outputter (Bolt::Outputter)

    An outputter instance.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 155

def list_guides
  { topics: load_guides.keys }
end

#list_modulesHash

Show modules available to the project.

Returns:

  • (Hash)

    A map of module directories to module definitions.


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# File 'lib/bolt/application.rb', line 304

def list_modules
  pal.list_modules
end

#list_plans(filter: nil) ⇒ Hash

List plans available to the project.

Parameters:

  • filter (String) (defaults to: nil)

    A substring to filter plans by.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 401

def list_plans(filter: nil)
  {
    plans:      filter_content(pal.list_plans_with_cache(filter_content: true), filter),
    modulepath: pal.user_modulepath
  }
end

#list_pluginsHash

Show available plugins.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 412

def list_plugins
  { plugins: plugins.list_plugins, modulepath: pal.user_modulepath }
end

#list_policiesHash

List policies available to the project.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 572

def list_policies
  unless @config.policies
    command = Bolt::Util.powershell? ? 'New-BoltPolicy -Name <NAME>' : 'bolt policy new <NAME>'

    raise Bolt::Error.new(
      "Project configuration file #{@config.project.project_file} does not "\
      "specify any policies. You can add policies to the project by including "\
      "a 'policies' key or creating a new policy using the '#{command}' "\
      "command.",
      'bolt/no-policies-error'
    )
  end

  { policies: @config.policies.uniq, modulepath: pal.user_modulepath }
end

#list_tasks(filter: nil) ⇒ Hash

List available tasks.

Parameters:

  • filter (String) (defaults to: nil)

    A substring to filter tasks by.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 700

def list_tasks(filter: nil)
  {
    tasks:      filter_content(pal.list_tasks_with_cache(filter_content: true), filter),
    modulepath: pal.user_modulepath
  }
end

#lookup(key, targets, vars: {}) ⇒ Bolt::ResultSet, String

Lookup a value with Hiera.

Parameters:

  • key (String)

    The key to look up in the hierarchy.

  • targets (Array[String])

    The targets to use as context.

  • vars (Hash) (defaults to: {})

    Variables to set in the scope.

Returns:


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# File 'lib/bolt/application.rb', line 223

def lookup(key, targets, vars: {})
  executor.publish_event(type: :plan_start, plan: nil)

  with_benchmark do
    pal.lookup(key,
               inventory.get_targets(targets),
               inventory,
               executor,
               plan_vars: vars)
  end
end

#migrate_project(outputter) ⇒ Boolean

Migrate a project to current best practices.

Parameters:

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 605

def migrate_project(outputter)
  Bolt::ProjectManager.new(config, outputter, pal).migrate
end

#new_plan(name, puppet: false, plan_script: nil) ⇒ Boolean

Create a new project-level plan.

Parameters:

  • name (String)

    The name of the new plan.

  • puppet (Boolean) (defaults to: false)

    Create a Puppet language plan.

  • plan_script (String) (defaults to: nil)

    Reference to the script to run in the new plan.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 333

def new_plan(name, puppet: false, plan_script: nil)
  Bolt::PlanCreator.validate_plan_name(config.project, name)

  if plan_script
    Bolt::Util.validate_file('script', find_file(plan_script))
  end

  Bolt::PlanCreator.create_plan(config.project.plans_path,
                                name,
                                is_puppet: puppet,
                                script: plan_script)
end

#new_policy(name) ⇒ Hash

Add a new policy to the project.

Parameters:

  • name (String)

    The name of the new policy.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 475

def new_policy(name)
  # Validate the policy name
  unless name =~ Bolt::Module::CONTENT_NAME_REGEX
    message = <<~MESSAGE.chomp
      Invalid policy name '#{name}'. Policy names are composed of one or more name segments
      separated by double colons '::'.

      Each name segment must begin with a lowercase letter, and can only include lowercase
      letters, digits, and underscores.

      Examples of valid policy names:
          - #{@config.project.name}
          - #{@config.project.name}::my_policy
    MESSAGE

    raise Bolt::ValidationError, message
  end

  # Validate that we're not running with the default project
  if @config.project.name.nil?
    command = Bolt::Util.powershell? ? 'New-BoltProject -Name <NAME>' : 'bolt project init <NAME>'
    message = <<~MESSAGE.chomp
      Can't create a policy for the default Bolt project because it doesn't
      have a name. Run '#{command}' to create a new project.
    MESSAGE
    raise Bolt::ValidationError, message
  end

  prefix, *name_segments, basename = name.split('::')

  # Error if name is not namespaced to project
  unless prefix == @config.project.name
    raise Bolt::ValidationError,
          "Policy name '#{name}' must begin with project name '#{@config.project.name}'. Did "\
          "you mean '#{@config.project.name}::#{name}'?"
  end

  # If the policy name is just the project name, use the special init.pp class
  basename ||= 'init'

  # Policies can be saved in subdirectories in the 'manifests/' directory
  policy_dir = File.expand_path(File.join(name_segments), @config.project.manifests)
  policy     = File.expand_path("#{basename}.pp", policy_dir)

  # Ensure the policy does not already exist
  if File.exist?(policy)
    raise Bolt::Error.new(
      "A policy with the name '#{name}' already exists at '#{policy}', nothing to do.",
      'bolt/existing-policy-error'
    )
  end

  # Create the policy directory structure in the current project
  begin
    FileUtils.mkdir_p(policy_dir)
  rescue Errno::EEXIST => e
    raise Bolt::Error.new(
      "#{e.message}; unable to create manifests directory '#{policy_dir}'",
      'bolt/existing-file-error'
    )
  end

  # Create the new policy
  begin
    File.write(policy, <<~POLICY)
      class #{name} {

      }
    POLICY
  rescue Errno::EACCES => e
    raise Bolt::FileError.new("#{e.message}; unable to create policy", policy)
  end

  # Update the project configuration to include the new policy
  project_config = Bolt::Util.read_yaml_hash(@config.project.project_file, 'project config')

  # Add the 'policies' key if it does not exist and de-dupiclate entries
  project_config['policies'] ||= []
  project_config['policies'] <<  name
  project_config['policies'].uniq!

  begin
    File.write(@config.project.project_file, project_config.to_yaml)
  rescue Errno::EACCES => e
    raise Bolt::FileError.new(
      "#{e.message}; unable to update project configuration",
      @config.project.project_file
    )
  end

  { name: name, path: policy }
end

#plan_lookup(key, vars: {}) ⇒ String

Lookup a value with Hiera using plan_hierarchy.

Parameters:

  • key (String)

    The key to lookup up in the plan_hierarchy.

  • vars (Hash) (defaults to: {})

    Variables to set in the scope.

Returns:

  • (String)

    The result of the lookup.


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# File 'lib/bolt/application.rb', line 241

def plan_lookup(key, vars: {})
  pal.plan_hierarchy_lookup(key, plan_vars: vars)
end

#run_command(command, targets, env_vars: nil) ⇒ Bolt::ResultSet

Run a command on a list of targets.

Parameters:

  • command (String)

    The command.

  • targets (Array[String])

    The targets to run on.

  • env_vars (Hash) (defaults to: nil)

    Environment variables to set on the target.

Returns:


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# File 'lib/bolt/application.rb', line 92

def run_command(command, targets, env_vars: nil)
  targets = inventory.get_targets(targets)

  with_benchmark do
    executor.run_command(targets, command, env_vars: env_vars)
  end
end

#run_plan(plan, targets, params: {}) ⇒ Bolt::PlanResult

Run a plan.

Parameters:

  • plan (String)

    The plan to run.

  • targets (Array[String], NilClass)

    The targets to pass to the plan.

  • params (Hash) (defaults to: {})

    Parameters to pass to the plan.

Returns:


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# File 'lib/bolt/application.rb', line 353

def run_plan(plan, targets, params: {})
  if targets && targets.any?
    if params['nodes'] || params['targets']
      key = params.include?('nodes') ? 'nodes' : 'targets'
      raise Bolt::CLIError,
            "A plan's '#{key}' parameter can be specified using the --#{key} option, but in that " \
            "case it must not be specified as a separate #{key}=<value> parameter nor included " \
            "in the JSON data passed in the --params option"
    end

    plan_params  = pal.get_plan_info(plan)['parameters']
    target_param = plan_params.dig('targets', 'type') =~ /TargetSpec/
    node_param   = plan_params.include?('nodes')

    if node_param && target_param
      msg = "Plan parameters include both 'nodes' and 'targets' with type 'TargetSpec', " \
            "neither will populated with the value for --nodes or --targets."
      Bolt::Logger.warn("nodes_targets_parameters", msg)
    elsif node_param
      params['nodes'] = targets.join(',')
    elsif target_param
      params['targets'] = targets.join(',')
    end
  end

  plan_context = { plan_name: plan, params: params }

  executor.start_plan(plan_context)
  result = pal.run_plan(plan, params, executor, inventory, plugins.puppetdb_client)
  executor.finish_plan(result)

  result
end

#run_script(script, targets, arguments: [], env_vars: nil) ⇒ Bolt::ResultSet

Run a script on a list of targets.

Parameters:

  • script (String)

    The path to the script to run.

  • targets (Array[String])

    The targets to run on.

  • arguments (Array[String], NilClass) (defaults to: [])

    Arguments to pass to the script.

  • env_vars (Hash) (defaults to: nil)

    Environment variables to set on the target.

Returns:


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# File 'lib/bolt/application.rb', line 617

def run_script(script, targets, arguments: [], env_vars: nil)
  script = find_file(script)

  Bolt::Util.validate_file('script', script)

  with_benchmark do
    executor.run_script(inventory.get_targets(targets), script, arguments, env_vars: env_vars)
  end
end

#run_task(task, targets, params: {}) ⇒ Bolt::ResultSet

Run a task on a list of targets.

Parameters:

  • task (String)

    The name of the task.

  • options (Hash)

    Additional options.

Returns:


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# File 'lib/bolt/application.rb', line 678

def run_task(task, targets, params: {})
  targets = inventory.get_targets(targets)

  with_benchmark do
    pal.run_task(task, targets, params, executor, inventory)
  end
end

#show_guide(topic) ⇒ Boolean

Show a guide.

Parameters:

  • topic (String)

    The topic to show.

  • guides (Hash)

    A map of topics to paths to guides.

  • outputter (Bolt::Outputter)

    An outputter instance.

Returns:

  • (Boolean)

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# File 'lib/bolt/application.rb', line 166

def show_guide(topic)
  if (path = load_guides[topic])
    analytics.event('Guide', 'known_topic', label: topic)

    begin
      guide = Bolt::Util.read_yaml_hash(path, 'guide')
    rescue SystemCallError => e
      raise Bolt::FileError("#{e.message}: unable to load guide page", filepath)
    end

    # Make sure both topic and guide keys are defined
    unless (%w[topic guide] - guide.keys).empty?
      msg = "Guide file #{path} must have a 'topic' key and 'guide' key, but has #{guide.keys} keys."
      raise Bolt::Error.new(msg, 'bolt/invalid-guide')
    end

    Bolt::Util.symbolize_top_level_keys(guide)
  else
    analytics.event('Guide', 'unknown_topic', label: topic)
    raise Bolt::Error.new(
      "Unknown topic '#{topic}'. For a list of available topics, run 'bolt guide'.",
      'bolt/unknown-topic'
    )
  end
end

#show_inventory(targets = nil) ⇒ Hash

Show inventory information.

Parameters:

  • targets (Array[String]) (defaults to: nil)

    The targets to show.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 197

def show_inventory(targets = nil)
  targets = group_targets_by_source(targets || ['all'])

  {
    adhoc: {
      count:   targets[:adhoc].count,
      targets: targets[:adhoc].map(&:detail)
    },
    inventory: {
      count:   targets[:inventory].count,
      targets: targets[:inventory].map(&:detail),
      file:    (inventory.source || config.default_inventoryfile).to_s,
      default: config.default_inventoryfile.to_s
    },
    targets: targets.values.flatten.map(&:detail),
    count: targets.values.flatten.count
  }
end

#show_module(name) ⇒ Hash

Show module information.

Parameters:

  • name (String)

    The name of the module.

Returns:

  • (Hash)

    The module information.


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# File 'lib/bolt/application.rb', line 313

def show_module(name)
  pal.show_module(name)
end

#show_plan(plan) ⇒ Hash

Show plan information.

Parameters:

  • plan (String)

    The name of the plan to show.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 392

def show_plan(plan)
  pal.get_plan_info(plan)
end

#show_task(task) ⇒ Hash

Show task information.

Parameters:

  • task (String)

    The name of the task to show.

Returns:

  • (Hash)

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# File 'lib/bolt/application.rb', line 691

def show_task(task)
  { task: pal.get_task(task) }
end

#shutdownObject

Shuts down the application.


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# File 'lib/bolt/application.rb', line 32

def shutdown
  executor.shutdown
end

#upload_file(source, destination, targets) ⇒ Bolt::ResultSet

Upload a file from the controller to a list of targets.

Parameters:

  • source (String)

    The path to the file on the controller.

  • destination (String)

    The destination path on the targets.

  • targets (Array[String])

    The targets to run on.

Returns:


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# File 'lib/bolt/application.rb', line 123

def upload_file(source, destination, targets)
  source  = find_file(source)
  targets = inventory.get_targets(targets)

  Bolt::Util.validate_file('source file', source, true)

  with_benchmark do
    executor.upload_file(targets, source, destination)
  end
end