debian-mirror-gitlab/app/models/project_services/prometheus_service.rb

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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
prop_accessor :api_url
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boolean_accessor :manual_configuration
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with_options presence: true, if: :manual_configuration? do
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validates :api_url, url: true
end
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before_save :synchronize_service_state
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after_save :clear_reactive_cache!
def initialize_properties
if properties.nil?
self.properties = {}
end
end
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def show_active_box?
false
end
def editable?
manual_configuration? || !prometheus_installed?
end
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def title
'Prometheus'
end
def description
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s_('PrometheusService|Time-series monitoring service')
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end
def self.to_param
'prometheus'
end
def fields
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return [] unless editable?
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[
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{
type: 'checkbox',
name: 'manual_configuration',
title: s_('PrometheusService|Active'),
required: true
},
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{
type: 'text',
name: 'api_url',
title: 'API URL',
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placeholder: s_('PrometheusService|Prometheus API Base URL, like http://prometheus.example.com/'),
help: s_('PrometheusService|By default, Prometheus listens on http://localhost:9090. Its not recommended to change the default address and port as this might affect or conflict with other services running on the GitLab server.'),
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required: true
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}
]
end
# Check we can connect to the Prometheus API
def test(*args)
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Gitlab::PrometheusClient.new(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 }
end
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def prometheus_client
RestClient::Resource.new(api_url) if api_url && manual_configuration? && active?
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end
def prometheus_installed?
return false if template?
return false unless project
project.clusters.enabled.any? { |cluster| cluster.application_prometheus&.installed? }
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end
private
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def synchronize_service_state
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self.active = prometheus_installed? || manual_configuration?
true
end
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end