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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
def installed?
clusters_with_knative_installed.exists?
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_with_knative_installed.preload_knative.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_with_knative_installed.preload_knative.to_a.any? do |cluster|
environment_scope == cluster.environment_scope && cluster.application_prometheus_available?
end
end
private
def knative_service(environment_scope, name)
clusters_with_knative_installed.preload_knative.map do |cluster|
next if environment_scope != cluster.environment_scope
services = cluster.application_knative.services_for(ns: cluster.kubernetes_namespace_for(project))
.select { |svc| svc["metadata"]["name"] == name }
add_metadata(cluster, services).first unless services.nil?
end
end
def knative_services
clusters_with_knative_installed.preload_knative.map do |cluster|
services = cluster.application_knative.services_for(ns: cluster.kubernetes_namespace_for(project))
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.application_knative.service_pod_details(
cluster.kubernetes_namespace_for(project),
s["metadata"]["name"]).length
end
end
end
def clusters_with_knative_installed
@clusters.with_knative_installed
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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