144 lines
3.4 KiB
Ruby
144 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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class PrometheusService < MonitoringService
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include PrometheusAdapter
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# Access to prometheus is directly through the API
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prop_accessor :api_url
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boolean_accessor :manual_configuration
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# We need to allow the self-monitoring project to connect to the internal
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# Prometheus instance.
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# Since the internal Prometheus instance is usually a localhost URL, we need
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# to allow localhost URLs when the following conditions are true:
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# 1. project is the self-monitoring project.
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# 2. api_url is the internal Prometheus URL.
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with_options presence: true, if: :manual_configuration? do
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validates :api_url, public_url: true, unless: proc { |object| object.allow_local_api_url? }
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validates :api_url, url: true, if: proc { |object| object.allow_local_api_url? }
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end
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before_save :synchronize_service_state
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after_save :clear_reactive_cache!
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after_commit :track_events
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def initialize_properties
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if properties.nil?
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self.properties = {}
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end
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end
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def show_active_box?
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false
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end
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def editable?
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manual_configuration? || !prometheus_available?
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end
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def title
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'Prometheus'
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end
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def description
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s_('PrometheusService|Time-series monitoring service')
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end
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def self.to_param
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'prometheus'
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end
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def fields
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return [] unless editable?
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[
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{
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type: 'checkbox',
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name: 'manual_configuration',
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title: s_('PrometheusService|Active'),
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required: true
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},
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{
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type: 'text',
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name: 'api_url',
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title: 'API URL',
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placeholder: s_('PrometheusService|Prometheus API Base URL, like http://prometheus.example.com/'),
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required: true
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}
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]
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end
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# Check we can connect to the Prometheus API
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def test(*args)
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prometheus_client.ping
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{ success: true, result: 'Checked API endpoint' }
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rescue Gitlab::PrometheusClient::Error => err
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{ success: false, result: err }
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end
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def prometheus_client
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return unless should_return_client?
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Gitlab::PrometheusClient.new(api_url)
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end
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def prometheus_available?
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return false if template?
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return false unless project
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project.clusters.enabled.any? { |cluster| cluster.application_prometheus_available? }
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end
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def allow_local_api_url?
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self_monitoring_project? && internal_prometheus_url?
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end
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def configured?
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should_return_client?
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end
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private
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def self_monitoring_project?
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project && project.id == current_settings.instance_administration_project_id
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end
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def internal_prometheus_url?
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api_url.present? && api_url == ::Gitlab::Prometheus::Internal.uri
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end
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def should_return_client?
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api_url.present? && manual_configuration? && active? && valid?
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end
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def current_settings
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Gitlab::CurrentSettings.current_application_settings
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end
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def synchronize_service_state
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self.active = prometheus_available? || manual_configuration?
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true
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end
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def track_events
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if enabled_manual_prometheus?
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Gitlab::Tracking.event('cluster:services:prometheus', 'enabled_manual_prometheus')
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elsif disabled_manual_prometheus?
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Gitlab::Tracking.event('cluster:services:prometheus', 'disabled_manual_prometheus')
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end
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true
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end
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def enabled_manual_prometheus?
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manual_configuration_changed? && manual_configuration?
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end
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def disabled_manual_prometheus?
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manual_configuration_changed? && !manual_configuration?
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end
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end
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