gardener/pkg/resourcemanager/controller/node/criticalcomponents/add_test.go at master · stackitcloud/gardener · GitHub

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
// SPDX-FileCopyrightText: SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0

package criticalcomponents_test

import (
	. "github.com/onsi/ginkgo/v2"
	. "github.com/onsi/gomega"
	corev1 "k8s.io/api/core/v1"
	"sigs.k8s.io/controller-runtime/pkg/event"
	"sigs.k8s.io/controller-runtime/pkg/predicate"

	. "github.com/gardener/gardener/pkg/resourcemanager/controller/node/criticalcomponents"
)

var _ = Describe("Add", func() {
	Describe("#NodePredicate", func() {
		var (
			p    predicate.Predicate
			node *corev1.Node
		)

		BeforeEach(func() {
			p = (&Reconciler{}).NodePredicate()
			node = &corev1.Node{}
		})

		Describe("#Create", func() {
			It("should return false if the object is not a Node", func() {
				Expect(p.Create(event.CreateEvent{Object: &corev1.ConfigMap{}})).To(BeFalse())
			})

			It("should return false if Node doesn't have any taints", func() {
				Expect(p.Create(event.CreateEvent{Object: node})).To(BeFalse())
			})

			It("should return false if Node doesn't have critical components taint", func() {
				node.Spec.Taints = []corev1.Taint{{
					Key:    "node.kubernetes.io/not-ready",
					Effect: "NoExecute",
				}, {
					Key:    "other-taint",
					Effect: "NoSchedule",
				}}

				Expect(p.Create(event.CreateEvent{Object: node})).To(BeFalse())
			})

			It("should return true if Node has critical components taint", func() {
				node.Spec.Taints = []corev1.Taint{{
					Key:    "node.gardener.cloud/critical-components-not-ready",
					Effect: "NoExecute",
				}}

				Expect(p.Create(event.CreateEvent{Object: node})).To(BeTrue())
			})
		})

		Describe("#Update", func() {
			It("should return false if the object is not a Node", func() {
				Expect(p.Update(event.UpdateEvent{ObjectNew: &corev1.ConfigMap{}})).To(BeFalse())
			})

			It("should return false if Node doesn't have any taints", func() {
				Expect(p.Update(event.UpdateEvent{ObjectNew: node})).To(BeFalse())
			})

			It("should return false if Node doesn't have critical components taint", func() {
				node.Spec.Taints = []corev1.Taint{{
					Key:    "node.kubernetes.io/not-ready",
					Effect: "NoExecute",
				}, {
					Key:    "other-taint",
					Effect: "NoSchedule",
				}}

				Expect(p.Update(event.UpdateEvent{ObjectNew: node})).To(BeFalse())
			})

			It("should return true if Node has critical components taint", func() {
				node.Spec.Taints = []corev1.Taint{{
					Key:    "node.gardener.cloud/critical-components-not-ready",
					Effect: "NoExecute",
				}}

				Expect(p.Update(event.UpdateEvent{ObjectNew: node})).To(BeTrue())
			})
		})

		Describe("#Delete", func() {
			It("should return false", func() {
				Expect(p.Delete(event.DeleteEvent{})).To(BeFalse())
			})
		})

		Describe("#Generic", func() {
			It("should return false", func() {
				Expect(p.Generic(event.GenericEvent{})).To(BeFalse())
			})
		})
	})

	Describe("#NodeHasCriticalComponentsNotReadyTaint", func() {
		var node *corev1.Node

		BeforeEach(func() {
			node = &corev1.Node{}
		})

		It("should return false if the object is not a Node", func() {
			Expect(NodeHasCriticalComponentsNotReadyTaint(&corev1.ConfigMap{})).To(BeFalse())
		})

		It("should return false if Node doesn't have any taints", func() {
			Expect(NodeHasCriticalComponentsNotReadyTaint(node)).To(BeFalse())
		})

		It("should return false if Node doesn't have critical components taint", func() {
			node.Spec.Taints = []corev1.Taint{{
				Key:    "node.kubernetes.io/not-ready",
				Effect: "NoExecute",
			}, {
				Key:    "other-taint",
				Effect: "NoSchedule",
			}}

			Expect(NodeHasCriticalComponentsNotReadyTaint(node)).To(BeFalse())
		})

		It("should return true if Node has critical components taint", func() {
			node.Spec.Taints = []corev1.Taint{{
				Key:    "node.gardener.cloud/critical-components-not-ready",
				Effect: "NoExecute",
			}}

			Expect(NodeHasCriticalComponentsNotReadyTaint(node)).To(BeTrue())
		})
	})
})