Class: Bosh::Cli::Command::Stemcell

Inherits:
Base show all
Includes:
VersionCalc
Defined in:
lib/cli/commands/stemcell.rb

Constant Summary collapse

PUBLIC_STEMCELL_INDEX =

The filename of the public stemcell index.

"public_stemcells_index.yml"
PUBLIC_STEMCELL_INDEX_URL =

The URL of the public stemcell index.

"https://blob.cfblob.com/rest/objects/4e4e78bca2" +
"1e121204e4e86ee151bc04f6a19ce46b22?uid=bb6a0c89ef4048a8a0f814e2538" +
"5d1c5/user1&expires=1893484800&signature=NJuAr9c8eOid7dKFmOEN7bmzAlI="

Constants inherited from Base

Base::BLOBS_DIR, Base::BLOBS_INDEX_FILE

Instance Attribute Summary

Attributes inherited from Base

#cache, #config, #options, #out, #usage, #work_dir

Instance Method Summary collapse

Methods included from VersionCalc

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

Methods inherited from Base

#blob_manager, #blobstore, command, #confirmed?, #director, #dry_run?, #exit_code, #full_target_name, #initialize, #interactive?, #logged_in?, #non_interactive?, #redirect, #release, #run, #show_usage, #target_name, #target_version, #task_report, #verbose?

Constructor Details

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

Instance Method Details

#delete(name, version) ⇒ Object 



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# File 'lib/cli/commands/stemcell.rb', line 152

def delete(name, version)
  auth_required

  say("You are going to delete stemcell `#{name}/#{version}'".red)

  unless confirmed?
    say("Canceled deleting stemcell".green)
    return
  end

  status, _ = director.delete_stemcell(name, version)

  task_report(status, "Deleted stemcell `#{name}/#{version}'")
end

#download_public(stemcell_name) ⇒ Object

Downloads one of the publicly available stemcells.

Parameters:

  • stemcell_name (String) —

    The name of the stemcell, as seen in the public stemcell index file.



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# File 'lib/cli/commands/stemcell.rb', line 123

def download_public(stemcell_name)
  yaml = get_public_stemcell_list
  yaml.delete(PUBLIC_STEMCELL_INDEX) if yaml.has_key?(PUBLIC_STEMCELL_INDEX)

  unless yaml.has_key?(stemcell_name)
    available_stemcells = yaml.map { |k| k }.join(", ")
    puts("'#{stemcell_name}' not found in '#{available_stemcells}'.".red)
    return
  end

  if File.exists?(stemcell_name) &&
      !agree("#{stemcell_name} exists locally. Overwrite it? [yn]")
    return
  end

  url = yaml[stemcell_name]["url"]
  size = yaml[stemcell_name]["size"]
  progress_bar = ProgressBar.new(stemcell_name, size)
  progress_bar.file_transfer_mode
  File.open("#{stemcell_name}", "w") { |file|
    @http_client.get(url) do |chunk|
      file.write(chunk)
      progress_bar.inc(chunk.size)
    end
  }
  progress_bar.finish
  puts("Download complete.")
end

#get_public_stemcell_list ⇒ Hash

Grabs the index file for the publicly available stemcells.

Returns:

  • (Hash) —

    The index file YAML as a hash.



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# File 'lib/cli/commands/stemcell.rb', line 92

def get_public_stemcell_list
  @http_client = HTTPClient.new
  response = @http_client.get(PUBLIC_STEMCELL_INDEX_URL)
  status_code = response.http_header.status_code
  if status_code != HTTP::Status::OK
    err("Received HTTP #{status_code} from #{PUBLIC_STEMCELL_INDEX_URL}.")
  end
  YAML.load(response.body)
end

#list ⇒ Object 



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# File 'lib/cli/commands/stemcell.rb', line 67

def list
  auth_required
  stemcells = director.list_stemcells.sort do |sc1, sc2|
    sc1["name"] == sc2["name"] ?
        version_cmp(sc1["version"], sc2["version"]) :
        sc1["name"] <=> sc2["name"]
  end

  err("No stemcells") if stemcells.size == 0

  stemcells_table = table do |t|
    t.headings = "Name", "Version", "CID"
    stemcells.each do |sc|
      t << [sc["name"], sc["version"], sc["cid"]]
    end
  end

  say("\n")
  say(stemcells_table)
  say("\n")
  say("Stemcells total: %d" % stemcells.size)
end

#list_public(*args) ⇒ Object

Prints out the publicly available stemcells.



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# File 'lib/cli/commands/stemcell.rb', line 103

def list_public(*args)
  full = args.include?("--full")
  yaml = get_public_stemcell_list
  stemcells_table = table do |t|
    t.headings = "Name", "Url"
    yaml.keys.sort.each do |key|
      if key != PUBLIC_STEMCELL_INDEX
        url = full ? yaml[key]["url"] : "#{yaml[key]["url"][0..49]}..."
        t << [key, url]
      end
    end
  end
  puts(stemcells_table)
  puts("To download use 'bosh download public stemcell <stemcell_name>'." +
      "For full url use --full.")
end

#upload(tarball_path) ⇒ Object 



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# File 'lib/cli/commands/stemcell.rb', line 32

def upload(tarball_path)
  auth_required

  stemcell = Bosh::Cli::Stemcell.new(tarball_path, cache)

  say("\nVerifying stemcell...")
  stemcell.validate
  say("\n")

  unless stemcell.valid?
    err("Stemcell is invalid, please fix, verify and upload again")
  end

  say("Checking if stemcell already exists...")
  name = stemcell.manifest["name"]
  version = stemcell.manifest["version"]

  existing = director.list_stemcells.select do |sc|
    sc["name"] == name and sc["version"] == version
  end

  if existing.empty?
    say("No")
  else
    err("Stemcell \"#{name}\":\"#{version}\" already exists, " +
        "increment the version if it has changed")
  end

  say("\nUploading stemcell...\n")

  status, _ = director.upload_stemcell(stemcell.stemcell_file)

  task_report(status, "Stemcell uploaded and created")
end

#verify(tarball_path) ⇒ Object 



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# File 'lib/cli/commands/stemcell.rb', line 15

def verify(tarball_path)
  stemcell = Bosh::Cli::Stemcell.new(tarball_path, cache)

  say("\nVerifying stemcell...")
  stemcell.validate
  say("\n")

  if stemcell.valid?
    say("'%s' is a valid stemcell" % [tarball_path])
  else
    say("'%s' is not a valid stemcell:" % [tarball_path])
    for error in stemcell.errors
      say("- %s" % [error])
    end
  end
end