class Cangallo

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.

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

Constants

VERSION

Public Class Methods

new() click to toggle source

# File lib/cangallo.rb, line 28
def initialize
  @config = Cangallo::Config.new
end

Public Instance Methods

find(string) click to toggle source

# 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) click to toggle source

# 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) click to toggle source

# 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) click to toggle source

# 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) click to toggle source

# File lib/cangallo.rb, line 32
def repo(name = nil)
  @config.repo(name)
end

short_name(string, repo = nil) click to toggle source

# 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