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# frozen_string_literal: true
# Count objects fetched or imported from Github.
module Gitlab
module GithubImport
class ObjectCounter
OPERATIONS = %w[fetched imported].freeze
PROJECT_COUNTER_LIST_KEY = 'github-importer/object-counters-list/%{project}/%{operation}'
PROJECT_COUNTER_KEY = 'github-importer/object-counter/%{project}/%{operation}/%{object_type}'
GLOBAL_COUNTER_KEY = 'github_importer_%{operation}_%{object_type}'
GLOBAL_COUNTER_DESCRIPTION = 'The number of %{operation} Github %{object_type}'
CACHING = Gitlab::Cache::Import::Caching
class << self
# Increments the project and the global counters if the given value is >= 1
def increment(project, object_type, operation, value: 1)
integer = value.to_i
return if integer <= 0
validate_operation!(operation)
increment_project_counter(project, object_type, operation, integer)
increment_global_counter(object_type, operation, integer)
project.import_state&.expire_etag_cache
end
def summary(project)
OPERATIONS.each_with_object({}) do |operation, result|
result[operation] = {}
CACHING
.values_from_set(counter_list_key(project, operation))
.sort
.each do |counter|
object_type = counter.split('/').last
result[operation][object_type] = CACHING.read_integer(counter)
end
end
end
private
# Global counters are long lived, in Prometheus,
# and it's used to report the health of the Github Importer
# in the Grafana Dashboard
# https://dashboards.gitlab.net/d/2zgM_rImz/github-importer?orgId=1
def increment_global_counter(object_type, operation, value)
key = GLOBAL_COUNTER_KEY % {
operation: operation,
object_type: object_type
}
description = GLOBAL_COUNTER_DESCRIPTION % {
operation: operation,
object_type: object_type.to_s.humanize
}
Gitlab::Metrics.counter(key.to_sym, description).increment(by: value)
end
# Project counters are short lived, in Redis,
# and it's used to report how successful a project
# import was with the #summary method.
def increment_project_counter(project, object_type, operation, value)
counter_key = PROJECT_COUNTER_KEY % {
project: project.id,
operation: operation,
object_type: object_type
}
add_counter_to_list(project, operation, counter_key)
CACHING.increment_by(counter_key, value)
end
def add_counter_to_list(project, operation, key)
CACHING.set_add(counter_list_key(project, operation), key)
end
def counter_list_key(project, operation)
PROJECT_COUNTER_LIST_KEY % { project: project.id, operation: operation }
end
def validate_operation!(operation)
unless operation.to_s.presence_in(OPERATIONS)
raise ArgumentError, "operation must be #{OPERATIONS.join(' or ')}"
end
end
end
end
end
end
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