Class: Bosh::Cli::Command::JobRename

Inherits:
Base show all
Defined in:
lib/cli/commands/job_rename.rb

Constant Summary

Constants inherited from Base

Base::DEFAULT_DIRECTOR_PORT

Instance Attribute Summary

Attributes inherited from Base

#args, #exit_code, #options, #out, #runner, #work_dir

Instance Method Summary collapse

Methods inherited from Base

#add_option, #blob_manager, #blobstore, #config, #confirmed?, #deployment, #director, #initialize, #interactive?, #logged_in?, #non_interactive?, #password, #redirect, #release, #remove_option, #target, #target_name, #username, #verbose?

Methods included from Bosh::Cli::CommandDiscovery

#desc, #method_added, #option, #register_command, #usage

Methods included from DeploymentHelper

#cancel_deployment, #deployment_changed?, #inspect_deployment_changes, #job_exists_in_deployment?, #job_must_exist_in_deployment, #job_unique_in_deployment?, #jobs_and_indexes, #latest_release_versions, #prepare_deployment_manifest, #prompt_for_job_and_index, #resolve_release_aliases, #warn_about_stemcell_changes

Constructor Details

This class inherits a constructor from Bosh::Cli::Command::Base

Instance Method Details

#rename(old_name, new_name) ⇒ Object 



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# File 'lib/cli/commands/job_rename.rb', line 8

def rename(old_name, new_name)
  auth_required
  manifest_yaml = prepare_deployment_manifest(:yaml => true)
  manifest = Psych.load(manifest_yaml)

  force = options[:force]
  say("You are about to rename `#{old_name.make_green}' to `#{new_name.make_green}'")

  unless confirmed?
    nl
    say("Job rename canceled".make_green)
    exit(0)
  end

  sanity_check_job_rename(manifest_yaml, old_name, new_name)

  status, task_id = director.rename_job(
    manifest["name"], manifest_yaml, old_name, new_name, force)

  task_report(status, task_id, "Rename successful")
end

#sanity_check_job_rename(manifest_yaml, old_name, new_name) ⇒ Object 



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# File 'lib/cli/commands/job_rename.rb', line 30

def sanity_check_job_rename(manifest_yaml, old_name, new_name)
  # Makes sure the new deployment manifest contains the renamed job
  manifest = Psych.load(manifest_yaml)
  new_jobs = manifest["jobs"].map { |job| job["name"] }
  unless new_jobs.include?(new_name)
    err("Please update your deployment manifest to include the " +
        "new job name `#{new_name}'")
  end

  if new_jobs.include?(old_name)
    err("Old name `#{old_name}' is still being used in the " +
        "deployment file")
  end

  # Make sure that the old deployment manifest contains the old job
  current_deployment = director.get_deployment(manifest["name"])
  if current_deployment["manifest"].nil?
    err("Director could not find manifest for deployment " +
        "`#{manifest["name"]}'")
  end

  current_manifest = Psych.load(current_deployment["manifest"])
  jobs = current_manifest["jobs"].map { |job| job["name"] }
  unless jobs.include?(old_name)
    err("Trying to rename a non existent job `#{old_name}'")
  end

  # Technically we could allow this
  if jobs.include?(new_name)
    err("Trying to reuse an existing job name `#{new_name}' " +
        "to rename job `#{old_name}'")
  end

  # Make sure that only one job has been renamed
  added_jobs = new_jobs - jobs

  if added_jobs.size > 1
    err("Cannot rename more than one job, you are trying to " +
        "add #{added_jobs.inspect}")
  end

  if added_jobs.first != new_name
    err("Manifest does not include new job `#{new_name}'")
  end

  renamed_jobs = jobs - new_jobs

  if renamed_jobs.size > 1
    err("Cannot rename more than one job, you have changes to " +
        "#{renamed_jobs}")
  end

  if renamed_jobs.first != old_name
    err("Manifest does not rename old job `#{old_name}'")
  end

  # Final sanity check, make sure that no
  # other properties or anything other than the names
  # have changed. So update current manifest with new name
  # and check that it matches with the old manifest
  current_manifest["jobs"].each do |job|
    if job["name"] == old_name
      job["name"] = new_name
      break
    end
  end

  # Now the manifests should be the same
  manifest = Psych.load(manifest_yaml)
  if deployment_changed?(current_manifest.dup, manifest.dup)
    err("You cannot have any other changes to your manifest during " +
        "rename. Please revert the above changes and retry.")
  end
end