Add support for Workhorse notifications
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@ -127,17 +127,16 @@ module Ci
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def tick_runner_queue
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SecureRandom.hex.tap do |new_update|
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Gitlab::Redis.with do |redis|
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redis.set(runner_queue_key, new_update, ex: RUNNER_QUEUE_EXPIRY_TIME)
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end
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::Gitlab::Workhorse.ensure_and_notify(runner_queue_key, new_update,
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expire: RUNNER_QUEUE_EXPIRY_TIME, overwrite: true)
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end
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end
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def ensure_runner_queue_value
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Gitlab::Redis.with do |redis|
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value = SecureRandom.hex
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redis.set(runner_queue_key, value, ex: RUNNER_QUEUE_EXPIRY_TIME, nx: true)
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redis.get(runner_queue_key)
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new_value = SecureRandom.hex
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::Gitlab::Workhorse.ensure_and_notify(runner_queue_key, new_value,
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expire: RUNNER_QUEUE_EXPIRY_TIME, overwrite: false)
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end
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end
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@ -0,0 +1,4 @@
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---
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title: Use redis channel to post notifications
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merge_request:
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author:
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@ -8,6 +8,7 @@ module Gitlab
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VERSION_FILE = 'GITLAB_WORKHORSE_VERSION'.freeze
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INTERNAL_API_CONTENT_TYPE = 'application/vnd.gitlab-workhorse+json'.freeze
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INTERNAL_API_REQUEST_HEADER = 'Gitlab-Workhorse-Api-Request'.freeze
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NOTIFICATION_CHANNEL = 'workhorse:notifications'.freeze
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# Supposedly the effective key size for HMAC-SHA256 is 256 bits, i.e. 32
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# bytes https://tools.ietf.org/html/rfc4868#section-2.6
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@ -154,6 +155,19 @@ module Gitlab
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Rails.root.join('.gitlab_workhorse_secret')
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end
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def ensure_and_notify(key, value, expire: nil, overwrite: true)
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Gitlab::Redis.with do |redis|
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result = redis.set(key, value, ex: expire, nx: !overwrite)
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if result
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payload = "#{key}=#{value}"
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redis.publish(RUNNER_NOTIFICATION_CHANNEL, payload)
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value
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else
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redis.get(key)
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end
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end
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end
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protected
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def encode(hash)
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