generated from kubernetes/kubernetes-template-project
-
Notifications
You must be signed in to change notification settings - Fork 470
/
policies.go
219 lines (188 loc) · 6.24 KB
/
policies.go
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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/*
Copyright 2023 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package printer
import (
"fmt"
"io"
"os"
"sort"
"strings"
"text/tabwriter"
"sigs.k8s.io/gateway-api/gwctl/pkg/policymanager"
"sigs.k8s.io/yaml"
apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/duration"
"k8s.io/utils/clock"
)
type PoliciesPrinter struct {
Out io.Writer
Clock clock.Clock
}
func (pp *PoliciesPrinter) PrintPoliciesGetView(policies []policymanager.Policy) {
sort.Slice(policies, func(i, j int) bool {
a := fmt.Sprintf("%v/%v", policies[i].Unstructured().GetNamespace(), policies[i].Unstructured().GetName())
b := fmt.Sprintf("%v/%v", policies[j].Unstructured().GetNamespace(), policies[j].Unstructured().GetName())
return a < b
})
tw := tabwriter.NewWriter(pp.Out, 0, 0, 2, ' ', 0)
row := []string{"NAME", "KIND", "TARGET NAME", "TARGET KIND", "POLICY TYPE", "AGE"}
tw.Write([]byte(strings.Join(row, "\t") + "\n"))
for _, policy := range policies {
policyType := "Direct"
if policy.IsInherited() {
policyType = "Inherited"
}
kind := fmt.Sprintf("%v.%v", policy.Unstructured().GroupVersionKind().Kind, policy.Unstructured().GroupVersionKind().Group)
age := duration.HumanDuration(pp.Clock.Since(policy.Unstructured().GetCreationTimestamp().Time))
row := []string{
policy.Unstructured().GetName(),
kind,
policy.TargetRef().Name,
policy.TargetRef().Kind,
policyType,
age,
}
tw.Write([]byte(strings.Join(row, "\t") + "\n"))
}
tw.Flush()
}
func (pp *PoliciesPrinter) PrintPolicyCRDsGetView(policyCRDs []policymanager.PolicyCRD) {
sort.Slice(policyCRDs, func(i, j int) bool {
a := fmt.Sprintf("%v/%v", policyCRDs[i].CRD().GetNamespace(), policyCRDs[i].CRD().GetName())
b := fmt.Sprintf("%v/%v", policyCRDs[j].CRD().GetNamespace(), policyCRDs[j].CRD().GetName())
return a < b
})
tw := tabwriter.NewWriter(pp.Out, 0, 0, 2, ' ', 0)
row := []string{"NAME", "POLICY TYPE", "SCOPE", "AGE"}
tw.Write([]byte(strings.Join(row, "\t") + "\n"))
for _, policyCRD := range policyCRDs {
policyType := "Direct"
if policyCRD.IsInherited() {
policyType = "Inherited"
}
age := duration.HumanDuration(pp.Clock.Since(policyCRD.CRD().GetCreationTimestamp().Time))
row := []string{
policyCRD.CRD().Name,
policyType,
string(policyCRD.CRD().Spec.Scope),
age,
}
tw.Write([]byte(strings.Join(row, "\t") + "\n"))
}
tw.Flush()
}
type policyDescribeView struct {
Name string `json:",omitempty"`
Namespace string `json:",omitempty"`
Group string `json:",omitempty"`
Kind string `json:",omitempty"`
Inherited string `json:",omitempty"`
Spec map[string]interface{} `json:",omitempty"`
}
func (pp *PoliciesPrinter) PrintPoliciesDescribeView(policies []policymanager.Policy) {
sort.Slice(policies, func(i, j int) bool {
a := fmt.Sprintf("%v/%v", policies[i].Unstructured().GetNamespace(), policies[i].Unstructured().GetName())
b := fmt.Sprintf("%v/%v", policies[j].Unstructured().GetNamespace(), policies[j].Unstructured().GetName())
return a < b
})
for i, policy := range policies {
views := []policyDescribeView{
{
Name: policy.Unstructured().GetName(),
Namespace: policy.Unstructured().GetNamespace(),
},
{
Group: policy.Unstructured().GroupVersionKind().Group,
Kind: policy.Unstructured().GroupVersionKind().Kind,
},
{
Inherited: fmt.Sprintf("%v", policy.IsInherited()),
},
{
Spec: policy.Spec(),
},
}
for _, view := range views {
b, err := yaml.Marshal(view)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to marshal to yaml: %v\n", err)
os.Exit(1)
}
fmt.Fprint(pp.Out, string(b))
}
if i+1 != len(policies) {
fmt.Fprintf(pp.Out, "\n\n")
}
}
}
type policyCrdDescribeView struct {
Name string `json:",omitempty"`
Namespace string `json:",omitempty"`
APIVersion string `json:",omitempty"`
Kind string `json:",omitempty"`
Labels map[string]string `json:",omitempty"`
Annotations map[string]string `json:",omitempty"`
Metadata *metav1.ObjectMeta `json:",omitempty"`
Spec *apiextensionsv1.CustomResourceDefinitionSpec `json:",omitempty"`
Status *apiextensionsv1.CustomResourceDefinitionStatus `json:",omitempty"`
}
func (pp *PoliciesPrinter) PrintPolicyCRDsDescribeView(policyCrds []policymanager.PolicyCRD) {
sort.Slice(policyCrds, func(i, j int) bool {
a := fmt.Sprintf("%v/%v", policyCrds[i].CRD().GetNamespace(), policyCrds[i].CRD().GetName())
b := fmt.Sprintf("%v/%v", policyCrds[j].CRD().GetNamespace(), policyCrds[j].CRD().GetName())
return a < b
})
for i, policyCrd := range policyCrds {
crd := policyCrd.CRD()
metadata := crd.ObjectMeta.DeepCopy()
metadata.Labels = nil
metadata.Annotations = nil
metadata.Name = ""
metadata.Namespace = ""
views := []policyCrdDescribeView{
{
Name: crd.Name,
Namespace: crd.Namespace,
},
{
APIVersion: crd.APIVersion,
Kind: crd.Kind,
},
{
Labels: crd.Labels,
Annotations: crd.Annotations,
},
{
Metadata: metadata,
},
{
Spec: &crd.Spec,
},
{
Status: &crd.Status,
},
}
for _, view := range views {
b, err := yaml.Marshal(view)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to marshal to yaml: %v\n", err)
os.Exit(1)
}
fmt.Fprint(pp.Out, string(b))
}
if i+1 != len(policyCrds) {
fmt.Fprintf(pp.Out, "\n\n")
}
}
}