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# frozen_string_literal: true
module Projects
module Serverless
class FunctionsFinder
attr_reader :project
def initialize(project)
@clusters = project.clusters
@project = project
end
def execute
knative_services.flatten.compact
end
# Possible return values: Clusters::KnativeServicesFinder::KNATIVE_STATE
def knative_installed
states = @clusters.map do |cluster|
cluster.application_knative
cluster.knative_services_finder(project).knative_detected.tap do |state|
return state if state == ::Clusters::KnativeServicesFinder::KNATIVE_STATES['checking'] # rubocop:disable Cop/AvoidReturnFromBlocks
end
end
states.any? { |state| state == ::Clusters::KnativeServicesFinder::KNATIVE_STATES['installed'] }
end
def service(environment_scope, name)
knative_service(environment_scope, name)&.first
end
def invocation_metrics(environment_scope, name)
return unless prometheus_adapter&.can_query?
cluster = @clusters.find do |c|
environment_scope == c.environment_scope
end
func = ::Serverless::Function.new(project, name, cluster.kubernetes_namespace_for(project))
prometheus_adapter.query(:knative_invocation, func)
end
def has_prometheus?(environment_scope)
@clusters.any? do |cluster|
environment_scope == cluster.environment_scope && cluster.application_prometheus_available?
end
end
private
def knative_service(environment_scope, name)
@clusters.map do |cluster|
next if environment_scope != cluster.environment_scope
services = cluster
.knative_services_finder(project)
.services
.select { |svc| svc["metadata"]["name"] == name }
add_metadata(cluster, services).first unless services.nil?
end
end
def knative_services
@clusters.map do |cluster|
services = cluster
.knative_services_finder(project)
.services
add_metadata(cluster, services) unless services.nil?
end
end
def add_metadata(cluster, services)
services.each do |s|
s["environment_scope"] = cluster.environment_scope
s["cluster_id"] = cluster.id
if services.length == 1
s["podcount"] = cluster
.knative_services_finder(project)
.service_pod_details(s["metadata"]["name"])
.length
end
end
end
# rubocop: disable CodeReuse/ServiceClass
def prometheus_adapter
@prometheus_adapter ||= ::Prometheus::AdapterService.new(project).prometheus_adapter
end
# rubocop: enable CodeReuse/ServiceClass
end
end
end
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