forked from openshift/origin
/
admission.go
179 lines (154 loc) · 5.24 KB
/
admission.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
package defaults
import (
"github.com/golang/glog"
kapi "k8s.io/kubernetes/pkg/api"
buildadmission "github.com/openshift/origin/pkg/build/admission"
defaultsapi "github.com/openshift/origin/pkg/build/admission/defaults/api"
"github.com/openshift/origin/pkg/build/admission/defaults/api/validation"
buildapi "github.com/openshift/origin/pkg/build/api"
configapi "github.com/openshift/origin/pkg/cmd/server/api"
)
type BuildDefaults struct {
config *defaultsapi.BuildDefaultsConfig
}
// NewBuildDefaults creates a new BuildDefaults that will apply the defaults specified in the plugin config
func NewBuildDefaults(pluginConfig map[string]configapi.AdmissionPluginConfig) (BuildDefaults, error) {
config := &defaultsapi.BuildDefaultsConfig{}
err := buildadmission.ReadPluginConfig(pluginConfig, defaultsapi.BuildDefaultsPlugin, config)
if err != nil {
return BuildDefaults{}, err
}
errs := validation.ValidateBuildDefaultsConfig(config)
if len(errs) > 0 {
return BuildDefaults{}, errs.ToAggregate()
}
glog.V(4).Infof("Initialized build defaults plugin with config: %#v", *config)
return BuildDefaults{config: config}, nil
}
// ApplyDefaults applies configured build defaults to a build pod
func (b BuildDefaults) ApplyDefaults(pod *kapi.Pod) error {
if b.config == nil {
return nil
}
build, version, err := buildadmission.GetBuildFromPod(pod)
if err != nil {
return nil
}
glog.V(4).Infof("Applying defaults to build %s/%s", build.Namespace, build.Name)
b.applyBuildDefaults(build)
b.applyPodDefaults(pod)
err = buildadmission.SetPodLogLevelFromBuild(pod, build)
if err != nil {
return err
}
return buildadmission.SetBuildInPod(pod, build, version)
}
func (b BuildDefaults) applyPodDefaults(pod *kapi.Pod) {
if len(b.config.NodeSelector) != 0 && pod.Spec.NodeSelector == nil {
// only apply nodeselector defaults if the pod has no nodeselector labels
// already.
pod.Spec.NodeSelector = map[string]string{}
for k, v := range b.config.NodeSelector {
addDefaultNodeSelector(k, v, pod.Spec.NodeSelector)
}
}
if len(b.config.Annotations) != 0 && pod.Annotations == nil {
pod.Annotations = map[string]string{}
}
for k, v := range b.config.Annotations {
addDefaultAnnotations(k, v, pod.Annotations)
}
}
func (b BuildDefaults) applyBuildDefaults(build *buildapi.Build) {
// Apply default env
buildEnv := getBuildEnv(build)
for _, envVar := range b.config.Env {
glog.V(5).Infof("Adding default environment variable %s=%s to build %s/%s", envVar.Name, envVar.Value, build.Namespace, build.Name)
addDefaultEnvVar(envVar, buildEnv)
}
// Apply default labels
for _, lbl := range b.config.ImageLabels {
glog.V(5).Infof("Adding default image label %s=%s to build %s/%s", lbl.Name, lbl.Value, build.Namespace, build.Name)
addDefaultLabel(lbl, &build.Spec.Output.ImageLabels)
}
sourceDefaults := b.config.SourceStrategyDefaults
sourceStrategy := build.Spec.Strategy.SourceStrategy
if sourceDefaults != nil && sourceDefaults.Incremental != nil && *sourceDefaults.Incremental &&
sourceStrategy != nil && sourceStrategy.Incremental == nil {
glog.V(5).Infof("Setting source strategy Incremental to true in build %s/%s", build.Namespace, build.Name)
t := true
build.Spec.Strategy.SourceStrategy.Incremental = &t
}
// Apply git proxy defaults
if build.Spec.Source.Git == nil {
return
}
if len(b.config.GitHTTPProxy) != 0 {
if build.Spec.Source.Git.HTTPProxy == nil {
t := b.config.GitHTTPProxy
glog.V(5).Infof("Setting default Git HTTP proxy of build %s/%s to %s", build.Namespace, build.Name, t)
build.Spec.Source.Git.HTTPProxy = &t
}
}
if len(b.config.GitHTTPSProxy) != 0 {
if build.Spec.Source.Git.HTTPSProxy == nil {
t := b.config.GitHTTPSProxy
glog.V(5).Infof("Setting default Git HTTPS proxy of build %s/%s to %s", build.Namespace, build.Name, t)
build.Spec.Source.Git.HTTPSProxy = &t
}
}
if len(b.config.GitNoProxy) != 0 {
if build.Spec.Source.Git.NoProxy == nil {
t := b.config.GitNoProxy
glog.V(5).Infof("Setting default Git no proxy of build %s/%s to %s", build.Namespace, build.Name, t)
build.Spec.Source.Git.NoProxy = &t
}
}
}
func getBuildEnv(build *buildapi.Build) *[]kapi.EnvVar {
switch {
case build.Spec.Strategy.DockerStrategy != nil:
return &build.Spec.Strategy.DockerStrategy.Env
case build.Spec.Strategy.SourceStrategy != nil:
return &build.Spec.Strategy.SourceStrategy.Env
case build.Spec.Strategy.CustomStrategy != nil:
return &build.Spec.Strategy.CustomStrategy.Env
}
return nil
}
func addDefaultEnvVar(v kapi.EnvVar, envVars *[]kapi.EnvVar) {
if envVars == nil {
return
}
for i := range *envVars {
if (*envVars)[i].Name == v.Name {
return
}
}
*envVars = append(*envVars, v)
}
func addDefaultLabel(defaultLabel buildapi.ImageLabel, buildLabels *[]buildapi.ImageLabel) {
found := false
for _, lbl := range *buildLabels {
if lbl.Name == defaultLabel.Name {
found = true
}
}
if !found {
*buildLabels = append(*buildLabels, defaultLabel)
}
}
func addDefaultNodeSelector(k, v string, selectors map[string]string) bool {
if _, ok := selectors[k]; !ok {
selectors[k] = v
return true
}
return false
}
func addDefaultAnnotations(k, v string, annotations map[string]string) bool {
if _, ok := annotations[k]; !ok {
annotations[k] = v
return true
}
return false
}