Module: Bosh::Cli::DeploymentHelper

Includes:
VersionCalc
Included in:
Command::CloudCheck, Command::Deployment, Command::JobManagement, Command::JobRename, Command::LogManagement, Command::PropertyManagement, Command::Ssh, Command::Vms
Defined in:
lib/cli/deployment_helper.rb

Instance Method Summary collapse

Methods included from VersionCalc

#major_version, #minor_version, #version_cmp, #version_greater, #version_less, #version_same

Instance Method Details

#deployment_changed?(current_manifest, manifest, show = true) ⇒ Boolean

Check if the 2 deployments are different. Print out a summary if “show” is true.

Returns:

  • (Boolean) 


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# File 'lib/cli/deployment_helper.rb', line 70

def deployment_changed?(current_manifest, manifest, show = true)
  diff = Bosh::Cli::HashChangeset.new
  diff.add_hash(normalize_deployment_manifest(manifest), :new)
  diff.add_hash(normalize_deployment_manifest(current_manifest), :old)
  changed = diff.changed?

  if changed && show
    @_diff_key_visited = {}
    diff.keys.each do |key|
      unless @_diff_key_visited[key]
        print_summary(diff, key)
        nl
      end
    end
  end

  changed
end

#inspect_deployment_changes(manifest, options = { }) ⇒ Object

Interactive walkthrough of deployment changes, expected to bail out of CLI using ‘cancel_deployment’ if something goes wrong, so it doesn’t need to have a meaningful return value.

Returns:

  • Boolean Were there any changes in deployment manifest?



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# File 'lib/cli/deployment_helper.rb', line 94

def inspect_deployment_changes(manifest, options = { })
  show_empty_changeset = true

  if options.has_key?(:show_empty_changeset)
    show_empty_changeset = options[:show_empty_changeset]
  end

  manifest = manifest.dup
  current_deployment = director.get_deployment(manifest["name"])

  # We cannot retrieve current manifest until there was at least one
  # successful deployment. There used to be a warning about that
  # but it turned out to be confusing to many users and thus has
  # been removed.
  return if current_deployment["manifest"].nil?
  current_manifest = YAML.load(current_deployment["manifest"])

  unless current_manifest.is_a?(Hash)
    err("Current deployment manifest format is invalid, " +
            "check if director works properly")
  end

  # TODO: validate new deployment manifest
  diff = Bosh::Cli::HashChangeset.new
  diff.add_hash(normalize_deployment_manifest(manifest), :new)
  diff.add_hash(normalize_deployment_manifest(current_manifest), :old)
  @_diff_key_visited = { "name" => 1, "director_uuid" => 1 }

  say("Detecting changes in deployment...".green)
  nl

  if !diff.changed? && !show_empty_changeset
    return false
  end

  if diff[:release]
    print_summary(diff, :release)
    warn_about_release_changes(diff[:release])
    nl
  end

  if diff[:releases]
    print_summary(diff, :releases)
    diff[:releases].each do |release_diff|
      warn_about_release_changes(release_diff)
    end
    nl
  end

  print_summary(diff, :compilation)
  nl

  print_summary(diff, :update)
  nl

  print_summary(diff, :resource_pools)

  old_stemcells = Set.new
  new_stemcells = Set.new

  diff[:resource_pools].each do |pool|
    old_stemcells << {
      :name => pool[:stemcell][:name].old,
      :version => pool[:stemcell][:version].old
    }
    new_stemcells << {
      :name => pool[:stemcell][:name].new,
      :version => pool[:stemcell][:version].new
    }
  end

  if old_stemcells != new_stemcells
    unless confirmed?("Stemcell update has been detected. " +
                      "Are you sure you want to update stemcells?")
      cancel_deployment
    end
  end

  if old_stemcells.size != new_stemcells.size
    say("Stemcell update seems to be inconsistent with current ".red +
        "deployment. Please carefully review changes above.".red)
    unless confirmed?("Are you sure this configuration is correct?")
      cancel_deployment
    end
  end

  nl
  print_summary(diff, :networks)
  nl
  print_summary(diff, :jobs)
  nl
  print_summary(diff, :properties)
  nl

  diff.keys.each do |key|
    unless @_diff_key_visited[key]
      print_summary(diff, key)
      nl
    end
  end

  diff.changed?
rescue Bosh::Cli::ResourceNotFound
  say("Cannot get current deployment information from director, " +
      "possibly a new deployment".red)
  true
end

#prepare_deployment_manifest(options = {}) ⇒ Object 



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# File 'lib/cli/deployment_helper.rb', line 7

def prepare_deployment_manifest(options = {})
  # TODO: extract to helper class
  deployment_required
  manifest_filename = deployment

  unless File.exists?(manifest_filename)
    err("Cannot find deployment manifest in `#{manifest_filename}'")
  end

  manifest = load_yaml_file(manifest_filename)
  manifest_yaml = File.read(manifest_filename)

  if manifest["name"].blank?
    err("Deployment name not found in the deployment manifest")
  end

  if manifest["target"]
    err(manifest_target_upgrade_notice)
  end

  if options[:resolve_properties]
    compiler = DeploymentManifestCompiler.new(manifest_yaml)
    properties = {}

    begin
      say("Getting deployment properties from director...")
      properties = director.list_properties(manifest["name"])
    rescue Bosh::Cli::DirectorError
      say("Unable to get properties list from director, " +
          "trying without it...")
    end

    say("Compiling deployment manifest...")
    compiler.properties = properties.inject({}) do |hash, property|
      hash[property["name"]] = property["value"]
      hash
    end

    manifest = YAML.load(compiler.result)
  end

  if manifest["name"].blank? || manifest["director_uuid"].blank?
    err("Invalid manifest `#{File.basename(deployment)}': " +
        "name and director UUID are required")
  end

  if director.uuid != manifest["director_uuid"]
    err("Target director UUID doesn't match UUID from deployment manifest")
  end

  if manifest["release"].blank? && manifest["releases"].blank?
    err("Deployment manifest doesn't have release information: '" +
        "please add 'release' or 'releases' section")
  end

  resolve_release_aliases(manifest)
  resolve_stemcell_aliases(manifest)

  options[:yaml] ? YAML.dump(manifest) : manifest
end