Module: Bosh::Cli::DeploymentHelper

Included in:
Command::Base
Defined in:
lib/cli/deployment_helper.rb

Instance Method Summary collapse

Instance Method Details

#build_manifestObject


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# File 'lib/cli/deployment_helper.rb', line 3

def build_manifest
  deployment_required
  return @manifest if @manifest
  @manifest = Manifest.new(deployment, director)
  @manifest.load
  @manifest
end

#cancel_deploymentObject


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# File 'lib/cli/deployment_helper.rb', line 178

def cancel_deployment
  quit('Deployment canceled'.make_red)
end

#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 24

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, false)
        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 48

def inspect_deployment_changes(manifest, options = {})
  manifest.resolve_release_aliases
  manifest.resolve_stemcell_aliases

  show_empty_changeset = options.fetch(:show_empty_changeset, true)
  redact_diff = options.fetch(:redact_diff, false)

  manifest_hash = manifest.hash.dup
  current_deployment = director.get_deployment(manifest_hash['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 = Psych.load(current_deployment['manifest'])

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

  diff = Bosh::Cli::HashChangeset.new
  diff.add_hash(normalize_deployment_manifest(manifest_hash), :new)
  diff.add_hash(normalize_deployment_manifest(current_manifest), :old)
  @_diff_key_visited = { 'name' => 1, 'director_uuid' => 1 }

  header('Detecting deployment changes')

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

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

  if diff[:releases]
    print_summary(diff, :releases, redact_diff)
    nl
  end

  print_summary(diff, :compilation, redact_diff)
  nl

  print_summary(diff, :update, redact_diff)
  nl

  print_summary(diff, :resource_pools, redact_diff)
  nl

  print_summary(diff, :disk_pools, redact_diff)
  nl

  print_summary(diff, :networks, redact_diff)
  nl

  print_summary(diff, :jobs, redact_diff)
  nl

  print_summary(diff, :properties, redact_diff)
  nl

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

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

#job_exists_in_deployment?(manifest_hash, job_name) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/cli/deployment_helper.rb', line 129

def job_exists_in_deployment?(manifest_hash, job_name)
  !!find_job(manifest_hash, job_name)
end

#job_unique_in_deployment?(manifest_hash, job_name) ⇒ Boolean

Returns:

  • (Boolean)

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# File 'lib/cli/deployment_helper.rb', line 124

def job_unique_in_deployment?(manifest_hash, job_name)
  job = find_job(manifest_hash, job_name)
  job ? job.fetch('instances') == 1 : false
end

#jobs_and_indexesObject


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# File 'lib/cli/deployment_helper.rb', line 166

def jobs_and_indexes
  jobs = prepare_deployment_manifest.hash.fetch('jobs')

  jobs.inject([]) do |jobs_and_indexes, job|
    job_name = job.fetch('name')
    0.upto(job.fetch('instances').to_i - 1) do |index|
      jobs_and_indexes << [job_name, index]
    end
    jobs_and_indexes
  end
end

#prepare_deployment_manifest(options = {}) ⇒ Object


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# File 'lib/cli/deployment_helper.rb', line 11

def prepare_deployment_manifest(options = {})
  manifest = build_manifest
  if options.fetch(:show_state, false)
    show_current_state(manifest.name)
  end
  manifest.validate(options)

  manifest
end

#prompt_for_errand_nameObject

return a job/errand selected by user by name


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# File 'lib/cli/deployment_helper.rb', line 153

def prompt_for_errand_name
  errands = list_errands

  err('Deployment has no available errands') if errands.size == 0

  choose do |menu|
    menu.prompt = 'Choose an errand: '
    errands.each do |errand, index|
      menu.choice("#{errand['name']}") { errand }
    end
  end
end

#prompt_for_job_and_indexObject


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# File 'lib/cli/deployment_helper.rb', line 133

def prompt_for_job_and_index
  manifest = prepare_deployment_manifest
  deployment_name = manifest.name
  instances = director.fetch_vm_state(deployment_name, {}, false)
  return [instances.first['job'], instances.first['index'] ] if instances.size == 1

  choose do |menu|
    menu.prompt = 'Choose an instance: '
    instances.each do |instance|
      job_name = instance['job']
      index = instance['index']
      id = instance['id']
      name = "#{job_name}/#{index}"
      name = "#{name} (#{id})" if id
      menu.choice(name) { [job_name, index] }
    end
  end
end