debian-mirror-gitlab/app/presenters/projects/prometheus/alert_presenter.rb
2020-03-09 13:42:32 +05:30

110 lines
2.7 KiB
Ruby

# frozen_string_literal: true
module Projects
module Prometheus
class AlertPresenter < Gitlab::View::Presenter::Delegated
RESERVED_ANNOTATIONS = %w(gitlab_incident_markdown title).freeze
GENERIC_ALERT_SUMMARY_ANNOTATIONS = %w(monitoring_tool service hosts).freeze
MARKDOWN_LINE_BREAK = " \n".freeze
def full_title
[environment_name, alert_title].compact.join(': ')
end
def project_full_path
project.full_path
end
def metric_query
gitlab_alert&.full_query
end
def environment_name
environment&.name
end
def performance_dashboard_link
if environment
metrics_project_environment_url(project, environment)
else
metrics_project_environments_url(project)
end
end
def starts_at
super&.rfc3339
end
def issue_summary_markdown
<<~MARKDOWN.chomp
#### Summary
#{metadata_list}
#{alert_details}
MARKDOWN
end
private
def alert_title
query_title || title
end
def query_title
return unless gitlab_alert
"#{gitlab_alert.title} #{gitlab_alert.computed_operator} #{gitlab_alert.threshold} for 5 minutes"
end
def metadata_list
metadata = []
metadata << list_item('Start time', starts_at) if starts_at
metadata << list_item('full_query', backtick(full_query)) if full_query
metadata << list_item(service.label.humanize, service.value) if service
metadata << list_item(monitoring_tool.label.humanize, monitoring_tool.value) if monitoring_tool
metadata << list_item(hosts.label.humanize, host_links) if hosts
metadata.join(MARKDOWN_LINE_BREAK)
end
def alert_details
if annotation_list.present?
<<~MARKDOWN.chomp
#### Alert Details
#{annotation_list}
MARKDOWN
end
end
def annotation_list
strong_memoize(:annotation_list) do
annotations
.reject { |annotation| annotation.label.in?(RESERVED_ANNOTATIONS | GENERIC_ALERT_SUMMARY_ANNOTATIONS) }
.map { |annotation| list_item(annotation.label, annotation.value) }
.join(MARKDOWN_LINE_BREAK)
end
end
def list_item(key, value)
"**#{key}:** #{value}".strip
end
def backtick(value)
"`#{value}`"
end
GENERIC_ALERT_SUMMARY_ANNOTATIONS.each do |annotation_name|
define_method(annotation_name) do
annotations.find { |a| a.label == annotation_name }
end
end
def host_links
Array(hosts.value).join(' ')
end
end
end
end