Add analytics to detect deployment jobs being executed

Changelog: added

app/models/ci/build.rb

@@ -10,6 +10,8 @@ class Build < Ci::Processable
     include Presentable
     include Importable
     include Ci::HasRef
+    include HasDeploymentName
+
     extend ::Gitlab::Utils::Override
     BuildArchivedError = Class.new(StandardError)
@@ -35,6 +37,8 @@ class Build < Ci::Processable
     DEGRADATION_THRESHOLD_VARIABLE_NAME = 'DEGRADATION_THRESHOLD'
     RUNNERS_STATUS_CACHE_EXPIRATION = 1.minute
+    DEPLOYMENT_NAMES = %w[deploy release rollout].freeze
+
     has_one :deployment, as: :deployable, class_name: 'Deployment'
     has_one :pending_state, class_name: 'Ci::BuildPendingState', inverse_of: :build
     has_one :queuing_entry, class_name: 'Ci::PendingBuild', foreign_key: :build_id
@@ -1123,6 +1127,10 @@ def allowed_to_fail_with_code?(exit_code)
         .include?(exit_code)
     end
+    def track_deployment_usage
+      Gitlab::Utils::UsageData.track_usage_event('ci_users_executing_deployment_job', user_id) if user_id.present? && count_user_deployment?
+    end
+
     protected
     def run_status_commit_hooks!

app/models/concerns/ci/has_deployment_name.rb

+# frozen_string_literal: true
+
+module Ci
+  module HasDeploymentName
+    extend ActiveSupport::Concern
+
+    def count_user_deployment?
+      Feature.enabled?(:job_deployment_count) && deployment_name?
+    end
+
+    def deployment_name?
+      self.class::DEPLOYMENT_NAMES.any? { |n| name.downcase.include?(n) }
+    end
+  end
+end

app/workers/ci/build_finished_worker.rb

@@ -39,6 +39,7 @@ def process_build(build)
       # We execute these async as these are independent operations.
       BuildHooksWorker.perform_async(build.id)
       ChatNotificationWorker.perform_async(build.id) if build.pipeline.chat?
+      build.track_deployment_usage
       if build.failed? && !build.auto_retry_expected?
         ::Ci::MergeRequests::AddTodoWhenBuildFailsWorker.perform_async(build.id)

config/feature_flags/development/job_deployment_count.yml

+---
+name: job_deployment_count
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79272
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/351591
+milestone: '14.8'
+type: development
+group: group::release
+default_enabled: false

config/metrics/counts_28d/20220202160126_ci_users_executing_deployment_job_monthly.yml

+---
+key_path: redis_hll_counters.ci_users.ci_users_executing_deployment_job_monthly
+description: Monthly counts of times users have executed deployment jobs
+product_section: ops
+product_stage: release
+product_group: group::release
+product_category: continuous_delivery
+value_type: number
+status: active
+milestone: "14.8"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79272
+time_frame: 28d
+data_source: redis_hll
+data_category: optional
+instrumentation_class: RedisHLLMetric
+performance_indicator_type: []
+options:
+  events:
+    - ci_users_executing_deployment_job
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

config/metrics/counts_7d/20220202160120_ci_users_executing_deployment_job_weekly.yml

+---
+key_path: redis_hll_counters.ci_users.ci_users_executing_deployment_job_weekly
+description: Weekly counts of times users have executed deployment jobs
+product_section: ops
+product_stage: release
+product_group: group::release
+product_category: continuous_delivery
+value_type: number
+status: active
+milestone: "14.8"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79272
+time_frame: 7d
+data_source: redis_hll
+data_category: optional
+instrumentation_class: RedisHLLMetric
+performance_indicator_type: []
+options:
+  events:
+    - ci_users_executing_deployment_job
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

lib/gitlab/usage_data_counters/known_events/ci_users.yml

+- name: ci_users_executing_deployment_job
+  category: ci_users
+  redis_slot: ci_users
+  aggregation: weekly
+  feature_flag: job_deployment_count

spec/lib/gitlab/usage_data_counters/hll_redis_counter_spec.rb

@@ -51,7 +51,8 @@
         'network_policies',
         'geo',
         'growth',
-        'work_items'
+        'work_items',
+        'ci_users'
       )
     end
   end

spec/models/concerns/ci/has_deployment_name_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::HasDeploymentName do
+  describe 'deployment_name?' do
+    let(:build) { create(:ci_build) }
+
+    subject { build.branch? }
+
+    it 'does detect deployment names' do
+      build.name = 'deployment'
+
+      expect(build.deployment_name?).to be_truthy
+    end
+
+    it 'does detect partial deployment names' do
+      build.name = 'do a really cool deploy'
+
+      expect(build.deployment_name?).to be_truthy
+    end
+
+    it 'does not detect non-deployment names' do
+      build.name = 'testing'
+
+      expect(build.deployment_name?).to be_falsy
+    end
+
+    it 'is case insensitive' do
+      build.name = 'DEPLOY'
+      expect(build.deployment_name?).to be_truthy
+    end
+  end
+end