Class: Cangallo

Inherits:
Object
  • Object
show all
Defined in:
lib/cangallo/keybase.rb,
lib/cangallo.rb,
lib/cangallo/repo.rb,
lib/cangallo/check.rb,
lib/cangallo/qcow2.rb,
lib/cangallo/config.rb,
lib/cangallo/version.rb,
lib/cangallo/cangafile.rb,
lib/cangallo/libguestfs.rb

Overview

Copyright 2016, Javier Fontán Muiños <[email protected]>

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Defined Under Namespace

Modules: Keybase Classes: Cangafile, Check, Config, LibGuestfs, Qcow2, Repo

Constant Summary collapse

VERSION = 
'0.0.8'

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cangallo

Returns a new instance of Cangallo.



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# File 'lib/cangallo.rb', line 28

def initialize
  @config = Cangallo::Config.new
end

Instance Method Details

#find(string) ⇒ Object 



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# File 'lib/cangallo.rb', line 94

def find(string)
  repo, name = parse_name(string)
  return "#{repo}:#{self.repo(repo).find(name)}" if repo

  image = self.repo.find(name)
  return "#{self.repo.name}:#{image}" if image

  @config.repos.each do |r|
    image = self.repo(r).find(name)
    return "#{r}:#{image}" if image
  end

  nil
end

#get(string) ⇒ Object 



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# File 'lib/cangallo.rb', line 109

def get(string)
  image = find(string)
  return nil if !image

  repo, name = parse_name(image)

  img = self.repo(repo).get(name)

  img["repo"] = repo if img
  img
end

#get_images(repo_name = nil) ⇒ Object 



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# File 'lib/cangallo.rb', line 36

def get_images(repo_name = nil)
  info = []
  repos = []

  if repo_name
    repos = [repo_name]
  else
    repos = @config.repos
  end

  repos.each do |r|
    repo = self.repo(r)

    repo.images.each do |sha256, image|
      name = repo.short_name(sha256)

      info << {
        "repo"    => r,
        "sha256"  => sha256,
        "name"    => "#{r}:#{name}",
        "size"    => image["actual-size"],
        "parent"  => short_name(image["parent"], r),
        "description" => image["description"],
        "available" => File.exist?(repo.image_path(sha256)),
        "creation-time" => image["creation-time"]
      }
    end
  end

  info
end

#parse_name(name) ⇒ Object 



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# File 'lib/cangallo.rb', line 68

def parse_name(name)
  slices = name.split(':')

  repo = nil
  name = name

  if slices.length > 1
    repo = slices[0]
    name = slices[1]
  end

  return repo, name
end

#repo(name = nil) ⇒ Object 



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# File 'lib/cangallo.rb', line 32

def repo(name = nil)
  @config.repo(name)
end

#short_name(string, repo = nil) ⇒ Object 



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# File 'lib/cangallo.rb', line 82

def short_name(string, repo = nil)
  return nil if !string

  img_repo, img_name = parse_name(string)
  img_repo ||= repo

  image = self.repo(img_repo).find(img_name)
  name = self.repo(img_repo).short_name(image)

  "#{img_repo}:#{name}"
end