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types.go
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types.go
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package k8sdoc
import (
"github.com/pkg/errors"
troubleshootv1beta2 "github.com/replicatedhq/troubleshoot/pkg/apis/troubleshoot/v1beta2"
"gopkg.in/yaml.v2"
corev1 "k8s.io/api/core/v1"
)
type K8sDoc interface {
PatchWithPullSecret(secret *corev1.Secret) K8sDoc
ListImages() []string
}
var _ K8sDoc = (*Doc)(nil)
var _ K8sDoc = (*PodDoc)(nil)
var _ K8sDoc = (*SupportBundleDoc)(nil)
type Doc struct {
APIVersion string `yaml:"apiVersion"`
Kind string `yaml:"kind"`
Metadata Metadata `yaml:"metadata"`
Spec Spec `yaml:"spec"`
}
type PodDoc struct {
APIVersion string `yaml:"apiVersion"`
Kind string `yaml:"kind"`
Metadata Metadata `yaml:"metadata"`
Spec PodSpec `yaml:"spec"`
}
type SupportBundleDoc struct {
APIVersion string `yaml:"apiVersion"`
Kind string `yaml:"kind"`
Metadata Metadata `yaml:"metadata"`
Spec troubleshootv1beta2.SupportBundleSpec `yaml:"spec"`
}
type Metadata struct {
Name string `yaml:"name"`
Namespace string `yaml:"namespace,omitempty"`
Labels map[string]string `yaml:"labels,omitempty"`
}
type Spec struct {
Template Template `yaml:"template,omitempty"`
JobTemplate JobTemplate `yaml:"jobTemplate,omitempty"`
}
type JobTemplate struct {
Spec JobSpec `yaml:"spec"`
}
type JobSpec struct {
Template Template `yaml:"template"`
}
type Template struct {
Spec PodSpec `yaml:"spec"`
}
type PodSpec struct {
Containers []Container `yaml:"containers,omitempty"` // don't write empty array into patches
InitContainers []Container `yaml:"initContainers,omitempty"` // don't write empty array into patches
ImagePullSecrets []ImagePullSecret `yaml:"imagePullSecrets"`
}
type ImagePullSecret map[string]string
type Container struct {
Image string `yaml:"image"`
}
func ParseYAML(yamlDoc []byte) (K8sDoc, error) {
doc := &Doc{}
if err := yaml.Unmarshal(yamlDoc, doc); err != nil {
return nil, errors.Wrap(err, "failed to parse yaml")
}
if doc.Kind != "Pod" {
return doc, nil
}
podDoc := &PodDoc{}
if err := yaml.Unmarshal(yamlDoc, podDoc); err != nil {
return nil, errors.Wrap(err, "failed to parse yaml")
}
return podDoc, nil
}
func (d *Doc) PatchWithPullSecret(secret *corev1.Secret) K8sDoc {
newObj := &Doc{
APIVersion: d.APIVersion,
Kind: d.Kind,
Metadata: Metadata{
Name: d.Metadata.Name,
Namespace: d.Metadata.Namespace,
Labels: d.Metadata.Labels,
},
}
switch d.Kind {
case "CronJob":
newObj.Spec = Spec{
JobTemplate: JobTemplate{
Spec: JobSpec{
Template: Template{
Spec: PodSpec{
ImagePullSecrets: []ImagePullSecret{
{"name": secret.Name},
},
},
},
},
},
}
default:
newObj.Spec = Spec{
Template: Template{
Spec: PodSpec{
ImagePullSecrets: []ImagePullSecret{
{"name": secret.Name},
},
},
},
}
}
return newObj
}
func (d *Doc) ListImages() []string {
images := make([]string, 0)
for _, container := range d.Spec.Template.Spec.Containers {
images = append(images, container.Image)
}
for _, container := range d.Spec.Template.Spec.InitContainers {
images = append(images, container.Image)
}
for _, container := range d.Spec.JobTemplate.Spec.Template.Spec.InitContainers {
images = append(images, container.Image)
}
for _, container := range d.Spec.JobTemplate.Spec.Template.Spec.Containers {
images = append(images, container.Image)
}
return images
}
func (d *PodDoc) PatchWithPullSecret(secret *corev1.Secret) K8sDoc {
return &PodDoc{
APIVersion: d.APIVersion,
Kind: d.Kind,
Metadata: Metadata{
Name: d.Metadata.Name,
Namespace: d.Metadata.Namespace,
Labels: d.Metadata.Labels,
},
Spec: PodSpec{
ImagePullSecrets: []ImagePullSecret{
{"name": secret.Name},
},
},
}
}
func (d *PodDoc) ListImages() []string {
images := make([]string, 0)
for _, container := range d.Spec.Containers {
images = append(images, container.Image)
}
for _, container := range d.Spec.InitContainers {
images = append(images, container.Image)
}
return images
}
func (d *SupportBundleDoc) ListImages() []string {
images := make([]string, 0)
for _, collector := range d.Spec.Collectors {
if collector.Run != nil {
images = append(images, collector.Run.Image)
}
}
return images
}
func (d *SupportBundleDoc) PatchWithPullSecret(secret *corev1.Secret) K8sDoc {
// this is not a kustomize patch, so we return nil and it's ignored
return nil
}