db0bf6bb16
Useful for checking the status of CI before deploying. Doing this at this point in the deployment maximises the parallelisation of building and running CI.
83 lines
2.1 KiB
Bash
Executable File
83 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# A sample pre-deploy hook
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#
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# Checks the Github status of the build, waiting for a pending build to complete for up to 720 seconds.
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#
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# Fails unless the combined status is "success"
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#
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# These environment variables are available:
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# MRSK_RECORDED_AT
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# MRSK_PERFORMER
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# MRSK_VERSION
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# MRSK_HOSTS
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# MRSK_COMMAND
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# MRSK_SUBCOMMAND
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# MRSK_ROLE (if set)
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# MRSK_DESTINATION (if set)
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#!/usr/bin/env ruby
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# Only check the build status for production deployments
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if ENV["MRSK_COMMAND"] == "rollback" || ENV["MRSK_DESTINATION"] != "production"
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exit 0
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end
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require "bundler/inline"
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# true = install gems so this is fast on repeat invocations
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gemfile(true, quiet: true) do
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source "https://rubygems.org"
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gem "octokit"
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gem "faraday-retry"
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end
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MAX_ATTEMPTS = 72
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ATTEMPTS_GAP = 10
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def exit_with_error(message)
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$stderr.puts message
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exit 1
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end
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def first_status_url(combined_status, state)
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first_status = combined_status[:statuses].find { |status| status[:state] == state }
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first_status && first_status[:target_url]
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end
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remote_url = `git config --get remote.origin.url`.strip.delete_prefix("https://github.com/")
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git_sha = `git rev-parse HEAD`.strip
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repository = Octokit::Repository.from_url(remote_url)
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github_client = Octokit::Client.new(access_token: ENV["GITHUB_TOKEN"])
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attempts = 0
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begin
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loop do
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combined_status = github_client.combined_status(remote_url, git_sha)
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state = combined_status[:state]
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first_status_url = first_status_url(combined_status, state)
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case state
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when "success"
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puts "Build passed, see #{first_status_url}"
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exit 0
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when "failure"
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exit_with_error "Build failed, see #{first_status_url}"
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when "pending"
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attempts += 1
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end
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puts "Waiting #{ATTEMPTS_GAP} more seconds for build to complete#{", see #{first_status_url}" if first_status_url}..."
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if attempts == MAX_ATTEMPTS
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exit_with_error "Build status is still pending, gave up after #{MAX_ATTEMPTS * ATTEMPTS_GAP} seconds"
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end
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sleep(ATTEMPTS_GAP)
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end
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rescue Octokit::NotFound
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exit_with_error "Build status could not be found"
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end
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