75 lines
1.4 KiB
Ruby
75 lines
1.4 KiB
Ruby
require "active_support/duration"
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require "time"
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require "base64"
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class Kamal::Commands::Lock < Kamal::Commands::Base
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def acquire(message, version)
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combine \
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[ :mkdir, lock_dir ],
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write_lock_details(message, version)
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end
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def release
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combine \
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[ :rm, lock_details_file ],
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[ :rm, "-r", lock_dir ]
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end
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def status
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combine \
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stat_lock_dir,
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read_lock_details
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end
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def ensure_locks_directory
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[ :mkdir, "-p", locks_dir ]
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end
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private
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def write_lock_details(message, version)
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write \
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[ :echo, "\"#{Base64.encode64(lock_details(message, version))}\"" ],
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lock_details_file
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end
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def read_lock_details
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pipe \
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[ :cat, lock_details_file ],
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[ :base64, "-d" ]
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end
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def stat_lock_dir
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write \
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[ :stat, lock_dir ],
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"/dev/null"
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end
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def locks_dir
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File.join(config.run_directory, "locks")
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end
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def lock_dir
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dir_name = [ config.service, config.destination ].compact.join("-")
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File.join(locks_dir, dir_name)
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end
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def lock_details_file
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File.join(lock_dir, "details")
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end
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def lock_details(message, version)
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<<~DETAILS.strip
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Locked by: #{locked_by} at #{Time.now.utc.iso8601}
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Version: #{version}
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Message: #{message}
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DETAILS
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end
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def locked_by
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Kamal::Git.user_name
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rescue Errno::ENOENT
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"Unknown"
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end
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end
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