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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Kubernetes::Deployment do
include KubernetesHelpers
let(:pods) { {} }
subject(:deployment) { described_class.new(params, pods: pods) }
describe '#name' do
let(:params) { named(:selected) }
it { expect(deployment.name).to eq(:selected) }
end
describe '#labels' do
let(:params) { make('metadata', 'labels' => :selected) }
it { expect(deployment.labels).to eq(:selected) }
end
describe '#outdated?' do
context 'when outdated' do
let(:params) { generation(2, 1, 0) }
it { expect(deployment.outdated?).to be_truthy }
end
context 'when up to date' do
let(:params) { generation(2, 2, 0) }
it { expect(deployment.outdated?).to be_falsy }
end
context 'when ahead of latest' do
let(:params) { generation(1, 2, 0) }
it { expect(deployment.outdated?).to be_falsy }
end
end
describe '#instances' do
context 'when unnamed' do
let(:pods) do
[
kube_pod(name: nil, status: 'Pending'),
kube_pod(name: nil, status: 'Pending'),
kube_pod(name: nil, status: 'Pending'),
kube_pod(name: nil, status: 'Pending')
]
end
let(:params) { combine(generation(1, 1, 4)) }
it 'returns all pods with generated names and pending' do
expected = [
{ status: 'pending', pod_name: 'generated-name-with-suffix', tooltip: 'generated-name-with-suffix (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'generated-name-with-suffix', tooltip: 'generated-name-with-suffix (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'generated-name-with-suffix', tooltip: 'generated-name-with-suffix (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'generated-name-with-suffix', tooltip: 'generated-name-with-suffix (Pending)', track: 'stable', stable: true }
]
expect(deployment.instances).to eq(expected)
end
end
# When replica count is higher than pods it is considered that pod was not
# able to spawn for some reason like limited resources.
context 'when number of pods is less than wanted replicas' do
let(:wanted_replicas) { 3 }
let(:pods) { [kube_pod(name: nil, status: 'Running')] }
let(:params) { combine(generation(1, 1, wanted_replicas)) }
it 'returns not spawned pods as pending and unknown and running' do
expected = [
{ status: 'running', pod_name: 'generated-name-with-suffix', tooltip: 'generated-name-with-suffix (Running)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'Not provided', tooltip: 'Not provided (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'Not provided', tooltip: 'Not provided (Pending)', track: 'stable', stable: true }
]
expect(deployment.instances).to eq(expected)
end
end
context 'when outdated' do
let(:pods) do
[
kube_pod(status: 'Pending'),
kube_pod(name: 'kube-pod1', status: 'Pending'),
kube_pod(name: 'kube-pod2', status: 'Pending'),
kube_pod(name: 'kube-pod3', status: 'Pending')
]
end
let(:params) { combine(named('foo'), generation(1, 0, 4)) }
it 'returns all instances as named and waiting' do
expected = [
{ status: 'pending', pod_name: 'kube-pod', tooltip: 'kube-pod (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'kube-pod1', tooltip: 'kube-pod1 (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'kube-pod2', tooltip: 'kube-pod2 (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'kube-pod3', tooltip: 'kube-pod3 (Pending)', track: 'stable', stable: true }
]
expect(deployment.instances).to eq(expected)
end
end
context 'with pods of each type' do
let(:pods) do
[
kube_pod(status: 'Succeeded'),
kube_pod(name: 'kube-pod1', status: 'Running'),
kube_pod(name: 'kube-pod2', status: 'Pending'),
kube_pod(name: 'kube-pod3', status: 'Pending')
]
end
let(:params) { combine(named('foo'), generation(1, 1, 4)) }
it 'returns all instances' do
expected = [
{ status: 'succeeded', pod_name: 'kube-pod', tooltip: 'kube-pod (Succeeded)', track: 'stable', stable: true },
{ status: 'running', pod_name: 'kube-pod1', tooltip: 'kube-pod1 (Running)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'kube-pod2', tooltip: 'kube-pod2 (Pending)', track: 'stable', stable: true },
{ status: 'pending', pod_name: 'kube-pod3', tooltip: 'kube-pod3 (Pending)', track: 'stable', stable: true }
]
expect(deployment.instances).to eq(expected)
end
end
context 'with track label' do
let(:pods) { [kube_pod(status: 'Pending')] }
let(:labels) { { 'track' => track } }
let(:params) { combine(named('foo', labels), generation(1, 0, 1)) }
context 'when marked as stable' do
let(:track) { 'stable' }
it 'returns all instances' do
expected = [
{ status: 'pending', pod_name: 'kube-pod', tooltip: 'kube-pod (Pending)', track: 'stable', stable: true }
]
expect(deployment.instances).to eq(expected)
end
end
context 'when marked as canary' do
let(:track) { 'canary' }
let(:pods) { [kube_pod(status: 'Pending', track: track)] }
it 'returns all instances' do
expected = [
{ status: 'pending', pod_name: 'kube-pod', tooltip: 'kube-pod (Pending)', track: 'canary', stable: false }
]
expect(deployment.instances).to eq(expected)
end
end
end
end
def generation(expected, observed, replicas)
combine(
make('metadata', 'generation' => expected),
make('status', 'observedGeneration' => observed),
make('spec', 'replicas' => replicas)
)
end
def named(name = "foo", labels = {})
make('metadata', 'name' => name, 'labels' => labels)
end
def make(key, values = {})
hsh = {}
hsh[key] = values
hsh
end
def combine(*hashes)
out = {}
hashes.each { |hsh| out = out.deep_merge(hsh) }
out
end
end
|
