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troubleshoot.go
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troubleshoot.go
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package registry
import (
"encoding/base64"
"fmt"
"path"
"strings"
"github.com/pkg/errors"
kotsv1beta1 "github.com/replicatedhq/kots/kotskinds/apis/kots/v1beta1"
kotsregistry "github.com/replicatedhq/kots/pkg/docker/registry"
"github.com/replicatedhq/kots/pkg/registry/types"
troubleshootv1beta2 "github.com/replicatedhq/troubleshoot/pkg/apis/troubleshoot/v1beta2"
"github.com/replicatedhq/troubleshoot/pkg/collect"
)
// UpdateCollectorSpecsWithRegistryData takes an array of collectors and some environment data (local registry info and license, etc)
// any image that needs to be rewritten to be compatible with the local registry settings or proxy pull
// will be updated and replaced in the spec. any required image pull secret will be automatically
// inserted into the spec
// an error is returned if anything failed, but the collectors param can always be used after calling (assuming no error)
//
// local registry always overwrites images
// proxy registry only overwrites private images
func UpdateCollectorSpecsWithRegistryData(collectors []*troubleshootv1beta2.Collect, localRegistryInfo types.RegistrySettings, knownImages []kotsv1beta1.InstallationImage, license *kotsv1beta1.License, kotsApplication *kotsv1beta1.Application) ([]*troubleshootv1beta2.Collect, error) {
if localRegistryInfo.IsValid() {
updatedCollectors, err := updateCollectorsWithLocalRegistryData(collectors, localRegistryInfo, knownImages, license)
if err != nil {
return nil, errors.Wrap(err, "failed to update collectors with local registry info")
}
return updatedCollectors, nil
}
updatedCollectors, err := updateCollectorsWithProxyRegistryData(collectors, localRegistryInfo, knownImages, license, kotsApplication)
if err != nil {
return nil, errors.Wrap(err, "failed to update collectors with replicated registry info")
}
return updatedCollectors, nil
}
func updateCollectorsWithLocalRegistryData(collectors []*troubleshootv1beta2.Collect, localRegistryInfo types.RegistrySettings, knownImages []kotsv1beta1.InstallationImage, license *kotsv1beta1.License) ([]*troubleshootv1beta2.Collect, error) {
updatedCollectors := []*troubleshootv1beta2.Collect{}
makeImagePullSecret := func(namespace string) (*troubleshootv1beta2.ImagePullSecrets, error) {
pullSecrets, err := kotsregistry.PullSecretForRegistries([]string{localRegistryInfo.Hostname}, localRegistryInfo.Username, localRegistryInfo.Password, namespace, "")
if err != nil {
return nil, err
}
imagePullSecret := &troubleshootv1beta2.ImagePullSecrets{
SecretType: "kubernetes.io/dockerconfigjson",
Data: map[string]string{
".dockerconfigjson": base64.StdEncoding.EncodeToString(pullSecrets.AdminConsoleSecret.Data[".dockerconfigjson"]),
},
}
return imagePullSecret, nil
}
for _, c := range collectors {
collector := troubleshootv1beta2.GetCollector(c)
if collector == nil {
continue
}
if imageRunner, ok := collector.(collect.ImageRunner); ok {
newImage := rewriteImage(localRegistryInfo.Hostname, localRegistryInfo.Namespace, imageRunner.GetImage())
imageRunner.SetImage(newImage)
imagePullSecret, err := makeImagePullSecret(imageRunner.GetNamespace())
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for image runner")
}
imageRunner.SetImagePullSecret(imagePullSecret)
} else if podSpecRunner, ok := collector.(collect.PodSpecRunner); ok {
imagePullSecret, err := makeImagePullSecret(podSpecRunner.GetNamespace())
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for pod runner")
}
podSpecRunner.SetImagePullSecret(imagePullSecret)
podSpec := podSpecRunner.GetPodSpec()
for i := range podSpec.InitContainers {
podSpec.InitContainers[i].Image = rewriteImage(localRegistryInfo.Hostname, localRegistryInfo.Namespace, podSpec.InitContainers[i].Image)
}
for i := range podSpec.Containers {
podSpec.Containers[i].Image = rewriteImage(localRegistryInfo.Hostname, localRegistryInfo.Namespace, podSpec.Containers[i].Image)
}
} else if c.RegistryImages != nil {
imagePullSecret, err := makeImagePullSecret(c.RegistryImages.Namespace)
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for registry images collector")
}
c.RegistryImages.ImagePullSecrets = imagePullSecret
images := []string{}
for _, knownImage := range knownImages {
image := rewriteImage(localRegistryInfo.Hostname, localRegistryInfo.Namespace, knownImage.Image)
images = append(images, image)
}
c.RegistryImages.Images = images
}
updatedCollectors = append(updatedCollectors, c)
}
return updatedCollectors, nil
}
func updateCollectorsWithProxyRegistryData(collectors []*troubleshootv1beta2.Collect, localRegistryInfo types.RegistrySettings, knownImages []kotsv1beta1.InstallationImage, license *kotsv1beta1.License, kotsApplication *kotsv1beta1.Application) ([]*troubleshootv1beta2.Collect, error) {
updatedCollectors := []*troubleshootv1beta2.Collect{}
registryProxyInfo := kotsregistry.GetRegistryProxyInfo(license, kotsApplication)
makeImagePullSecret := func(namespace string) (*troubleshootv1beta2.ImagePullSecrets, error) {
pullSecrets, err := kotsregistry.PullSecretForRegistries(registryProxyInfo.ToSlice(), license.Spec.LicenseID, license.Spec.LicenseID, namespace, "")
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for proxy registry")
}
imagePullSecret := &troubleshootv1beta2.ImagePullSecrets{
SecretType: "kubernetes.io/dockerconfigjson",
Data: map[string]string{
".dockerconfigjson": base64.StdEncoding.EncodeToString(pullSecrets.AdminConsoleSecret.Data[".dockerconfigjson"]),
},
}
return imagePullSecret, nil
}
rewrite := func(image string) string {
registryHost := strings.Split(image, "/")[0]
if registryHost == registryProxyInfo.Registry {
// if it's the replicated registry, no change, just add image pull secret
return image
}
tag := strings.Split(image, ":")
image = kotsregistry.MakeProxiedImageURL(registryProxyInfo.Proxy, license.Spec.AppSlug, image)
if len(tag) > 1 {
image = fmt.Sprintf("%s:%s", image, tag[len(tag)-1])
}
return image
}
// for all known private images, rewrite to the replicated proxy and add license image pull secret
for _, c := range collectors {
collector := troubleshootv1beta2.GetCollector(c)
if collector == nil {
continue
}
// all collectors that include images in the spec should have an if / else statement here
if imageRunner, ok := collector.(collect.ImageRunner); ok {
for _, knownImage := range knownImages {
image := imageRunner.GetImage()
if knownImage.Image != image || !knownImage.IsPrivate {
continue
}
imageRunner.SetImage(rewrite(image))
imagePullSecret, err := makeImagePullSecret(imageRunner.GetNamespace())
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for image runner")
}
imageRunner.SetImagePullSecret(imagePullSecret)
}
} else if podsSpecRunner, ok := collector.(collect.PodSpecRunner); ok {
podSpec := podsSpecRunner.GetPodSpec()
for _, knownImage := range knownImages {
for i, container := range podSpec.InitContainers {
if knownImage.Image != container.Image || !knownImage.IsPrivate {
continue
}
podSpec.InitContainers[i].Image = rewrite(container.Image)
}
for i, container := range podSpec.Containers {
if knownImage.Image != container.Image || !knownImage.IsPrivate {
continue
}
podSpec.Containers[i].Image = rewrite(container.Image)
}
}
imagePullSecret, err := makeImagePullSecret(podsSpecRunner.GetNamespace())
if err != nil {
return nil, errors.Wrap(err, "failed to generate pull secret for image runner")
}
podsSpecRunner.SetImagePullSecret(imagePullSecret)
}
updatedCollectors = append(updatedCollectors, c)
}
return updatedCollectors, nil
}
func rewriteImage(newHost string, newNamespace string, image string) string {
imageParts := strings.Split(image, "/")
imageNameWithOptionalTag := imageParts[len(imageParts)-1]
return path.Join(newHost, newNamespace, imageNameWithOptionalTag)
}