1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
# 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[: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
# 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 => :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] 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? || updated?
end
def update_in_progress?
updating?
end
end
end
end
|