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# GOV.UK Mini Environment Admin
# Copyright © 2018 Christopher Baines <mail@cbaines.net>
#
# This file is part of the GOV.UK Mini Environment Admin.
#
# The GOV.UK Mini Environment Admin is free software: you can
# redistribute it and/or modify it under the terms of the GNU Affero
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later
# version.
#
# The GOV.UK Mini Environment Admin is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with the GOV.UK Mini Environment Admin. If not, see
# <http://www.gnu.org/licenses/>.
require 'git'
class GovukGuix::FetchRevisionJob < GovukGuix::Job
extend EnqueuedJobs
REPOSITORY_DIRECTORY = 'tmp/cache/govuk-guix'.freeze
@retry_interval = 30
def run(commit_hash)
repository.fetch
sha = repository.object(commit_hash).sha
repository.checkout(sha)
command = [
"#{REPOSITORY_DIRECTORY}/guix-pre-inst-env",
'guix',
'build',
'-e',
'(begin (use-modules (gds packages govuk)) (current-govuk-guix))'
]
output = run_command(*command)
store_path = output.last.strip
logger.debug(self.class) { "store_path: #{store_path}" }
GovukGuix::Revision.create(
commit_hash: sha,
store_path: store_path,
available_services: available_services(store_path)
)
end
def repository
@_repository ||= begin
if File.exist? REPOSITORY_DIRECTORY
Git.open(REPOSITORY_DIRECTORY, log: Rails.logger)
else
Git.clone(self.class.repository_remote_location, REPOSITORY_DIRECTORY)
end
end
end
def available_services(store_path)
command_output = run_command(
"#{store_path}/bin/govuk",
"system",
"available-services",
"--json"
)
json_start = command_output.find_index { |line| line.starts_with?('[') }
json_output = command_output[json_start..command_output.length].join
JSON.parse(json_output)
end
def self.repository_remote_location
ENV.fetch(
'GOVUK_GUIX_REPOSITORY_REMOTE',
'https://github.com/alphagov/govuk-guix.git'
)
end
end
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