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Inject NSM-envs into NSM-containers #18

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Inject NSM-envs into NSM-containers #18

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21 changes: 15 additions & 6 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -73,9 +73,18 @@ func (s *admissionWebhookServer) Review(in *admissionv1.AdmissionRequest) *admis
annotation := annotations[s.config.Annotation]

if annotation != "" {
envs := s.config.GetOrResolveEnvs()
// Get NSM environments
for i := range spec.Containers {
for _, e := range spec.Containers[i].Env {
if strings.HasPrefix(e.Name, "NSM_") {
envs = append(envs, e)
}
}
}
bytes, err := json.Marshal([]jsonpatch.JsonPatchOperation{
s.createInitContainerPatch(p, annotation, spec.InitContainers),
s.createContainerPatch(p, annotation, spec.Containers),
s.createInitContainerPatch(p, annotation, spec.InitContainers, envs),
s.createContainerPatch(p, annotation, spec.Containers, envs),
s.createVolumesPatch(p, spec.Volumes),
})
if err != nil {
Expand Down Expand Up @@ -164,11 +173,11 @@ func (s *admissionWebhookServer) createVolumesPatch(p string, volumes []corev1.V
return jsonpatch.NewOperation("add", path.Join(p, "volumes"), volumes)
}

func (s *admissionWebhookServer) createInitContainerPatch(p, v string, initContainers []corev1.Container) jsonpatch.JsonPatchOperation {
func (s *admissionWebhookServer) createInitContainerPatch(p, v string, initContainers []corev1.Container, envs []corev1.EnvVar) jsonpatch.JsonPatchOperation {
for _, img := range s.config.InitContainerImages {
initContainers = append(initContainers, corev1.Container{
Name: nameOf(img),
Env: append(s.config.GetOrResolveEnvs(), corev1.EnvVar{Name: s.config.NSURLEnvName, Value: v}),
Env: append(envs, corev1.EnvVar{Name: s.config.NSURLEnvName, Value: v}),
Image: img,
ImagePullPolicy: corev1.PullIfNotPresent,
})
Expand All @@ -177,11 +186,11 @@ func (s *admissionWebhookServer) createInitContainerPatch(p, v string, initConta
return jsonpatch.NewOperation("add", path.Join(p, "initContainers"), initContainers)
}

func (s *admissionWebhookServer) createContainerPatch(p, v string, containers []corev1.Container) jsonpatch.JsonPatchOperation {
func (s *admissionWebhookServer) createContainerPatch(p, v string, containers []corev1.Container, envs []corev1.EnvVar) jsonpatch.JsonPatchOperation {
for _, img := range s.config.ContainerImages {
containers = append(containers, corev1.Container{
Name: nameOf(img),
Env: append(s.config.GetOrResolveEnvs(), corev1.EnvVar{Name: s.config.NSURLEnvName, Value: v}),
Env: append(envs, corev1.EnvVar{Name: s.config.NSURLEnvName, Value: v}),
Image: img,
ImagePullPolicy: corev1.PullIfNotPresent,
})
Expand Down