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|
# frozen_string_literal: true
module Clusters
module Concerns
module ApplicationStatus
extend ActiveSupport::Concern
included do
scope :available, -> do
where(
status: [
self.state_machines[:status].states[:externally_installed].value,
self.state_machines[:status].states[:installed].value,
self.state_machines[:status].states[:updated].value
]
)
end
state_machine :status, initial: :not_installable do
state :not_installable, value: -2
state :errored, value: -1
state :installable, value: 0
state :scheduled, value: 1
state :installing, value: 2
state :installed, value: 3
state :updating, value: 4
state :updated, value: 5
state :update_errored, value: 6
state :uninstalling, value: 7
state :uninstall_errored, value: 8
state :uninstalled, value: 10
state :externally_installed, value: 11
# Used for applications that are pre-installed by the cluster,
# e.g. Knative in GCP Cloud Run enabled clusters
# Because we cannot upgrade or uninstall Knative in these clusters,
# we define only one simple state transition to enter the `pre_installed` state,
# and no exit transitions.
state :pre_installed, value: 9
event :make_externally_installed do
transition any => :externally_installed
end
event :make_externally_uninstalled do
transition any => :uninstalled
end
event :make_scheduled do
transition [:installable, :errored, :installed, :updated, :update_errored, :uninstall_errored] => :scheduled
end
event :make_installing do
transition [:scheduled] => :installing
end
event :make_installed do
transition [:installing] => :installed
transition [:updating] => :updated
end
event :make_pre_installed do
transition any => :pre_installed
end
event :make_errored do
transition any - [:updating, :uninstalling] => :errored
transition [:updating] => :update_errored
transition [:uninstalling] => :uninstall_errored
end
event :make_updating do
transition [:installed, :updated, :update_errored, :scheduled] => :updating
end
event :make_update_errored do
transition any => :update_errored
end
event :make_uninstalling do
transition [:scheduled] => :uninstalling
end
before_transition any => [:scheduled, :installed, :uninstalled, :externally_installed] do |application, _|
application.status_reason = nil
end
before_transition any => [:errored] do |application, transition|
status_reason = transition.args.first
application.status_reason = status_reason if status_reason
end
before_transition any => [:updating] do |application, _|
application.status_reason = nil
end
before_transition any => [:update_errored, :uninstall_errored] do |application, transition|
status_reason = transition.args.first
application.status_reason = status_reason if status_reason
end
after_transition any => [:uninstalling], :use_transactions => false do |application, _|
application.prepare_uninstall
end
end
end
def status_states
self.class.state_machines[:status].states.each_with_object({}) do |state, states|
states[state.name] = state.value
end
end
def updateable?
installed? || updated? || update_errored?
end
def available?
pre_installed? || installed? || externally_installed? || updated?
end
def update_in_progress?
updating?
end
end
end
end
|
