debian-mirror-gitlab/db/fixtures/development/26_container_images.rb

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2020-03-13 15:44:24 +05:30
# frozen_string_literal: true
class Gitlab::Seeder::ContainerImages
attr_reader :tmp_dir, :project, :images_count
DOCKER_FILE_CONTENTS = <<~EOS
FROM scratch
ARG tag
ENV tag=$tag
EOS
def initialize(project, images_count)
@project = project
@images_count = images_count
initialize_tmp_dir
end
def seed!
images_count.times do |i|
image_path = "#{project.container_registry_url}:tag_#{i}"
build_image(image_path)
push_image(image_path)
puts '.'
end
ensure
FileUtils.remove_entry tmp_dir
end
private
def build_image(image_path)
system(*%W[docker build -t #{image_path} --build-arg tag=gitlab_container_image_seed .], chdir: @tmp_dir)
end
def push_image(image_path)
system(*%W[docker push #{image_path}], chdir: @tmp_dir)
end
def initialize_tmp_dir
@tmp_dir = Dir.mktmpdir('gitlab_seeder_container_images')
File.write(File.join(@tmp_dir, 'Dockerfile'), DOCKER_FILE_CONTENTS)
end
end
Gitlab::Seeder.quiet do
flag = 'SEED_CONTAINER_IMAGES'
if ENV[flag]
admin_user = User.admins.first
images_count = Integer(ENV[flag])
Project.not_mass_generated.visible_to_user(admin_user).sample(1).each do |project|
puts "\nSeeding #{images_count} container images to the '#{project.full_path}' project."
seeder = Gitlab::Seeder::ContainerImages.new(project, images_count)
seeder.seed!
rescue => e
puts "\nSeeding container images failed with #{e.message}."
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puts "Make sure that the registry is running (https://gitlab.com/gitlab-org/gitlab-development-kit/blob/main/doc/howto/registry.md) and that Docker CLI (https://www.docker.com/products/docker-desktop) is installed."
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end
else
puts "Skipped. Use the `#{flag}` environment variable to seed container images to the registry."
end
end