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author | Christopher Baines <mail@cbaines.net> | 2018-06-22 07:34:07 +0100 |
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committer | Christopher Baines <mail@cbaines.net> | 2018-06-22 07:34:07 +0100 |
commit | 1fcb11bb31d0ffbf37de3ce704231bdcdaf787ca (patch) | |
tree | cd8f0c90a9e1f58455c27c3f60f0afc1c2387c1a /lib | |
parent | 3f2561ef31851f43e9270679eb23304007aadd67 (diff) | |
download | govuk-mini-environment-admin-1fcb11bb31d0ffbf37de3ce704231bdcdaf787ca.tar govuk-mini-environment-admin-1fcb11bb31d0ffbf37de3ce704231bdcdaf787ca.tar.gz |
Replace the GovukGuix::BuildJob
With a service that performs the same function, and use the
MiniEnvironmentJob instead.
Diffstat (limited to 'lib')
-rw-r--r-- | lib/shell_utils.rb | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/shell_utils.rb b/lib/shell_utils.rb new file mode 100644 index 0000000..5ce8959 --- /dev/null +++ b/lib/shell_utils.rb @@ -0,0 +1,96 @@ +# 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 'open3' +require 'shellwords' + +module ShellUtils + def run_command(*command, run_remotely_on_host: nil) + if run_remotely_on_host + command = command.map do |arg| + Shellwords.escape(arg) + end + + command = [ + 'ssh', + run_remotely_on_host, + *command + ] + end + + logger.debug("#{self.class}: Running command #{command.join(' ')}") + + Open3.popen2e(*command) do |_stdin, stdout_and_stderr, wait_thr| + logger.info("#{self.class}: commmand running, pid #{wait_thr.pid}") + + output = [] + stdout_and_stderr.each_line do |line| + logger.debug(self.class) { line.chomp } + output << line + end + + exit_status = wait_thr.value + unless exit_status == 0 + logger.error(self.class) { "failed, exit status #{exit_status}" } + + raise "Running #{command.join(' ')} failed:\n\n#{output.join}\n" + end + + output + end + end + + def read_json_file(filename, from_remote_host: nil) + if from_remote_host + command = [ + 'ssh', + from_remote_host, + 'cat', + filename + ] + + stdout_str, status = Open3.capture2(*command) + + unless status.exitstatus == 0 + logger.error(self.class) { "failed, exit status #{exit_status}" } + + raise "Running #{command.join(' ')} failed:\n\n#{output.join}\n" + end + + JSON.parse(stdout_str) + else + JSON.parse(File.read(filename)) + end + end + + def hash_to_arguments(hash) + hash.flat_map do |(key, value)| + transformed_key = key.to_s.tr('_', '-') + + if value == true + ["--#{transformed_key}"] + elsif value.kind_of?(Array) + value.map { |x| "--#{transformed_key}=#{x}" } + else + ["--#{transformed_key}=#{value}"] + end + end + end +end |