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exec.go
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exec.go
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// Copyright Contributors to the Open Cluster Management project
package cluster
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
"github.com/ghodss/yaml"
hivev1 "github.com/openshift/hive/apis/hive/v1"
"github.com/spf13/cobra"
"github.com/stolostron/cm-cli/pkg/cmd/get/config/cluster/scenario"
"github.com/stolostron/cm-cli/pkg/helpers"
apiextensionsClient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
"k8s.io/klog/v2"
clusteradmhelpers "open-cluster-management.io/clusteradm/pkg/helpers"
clusteradmapply "open-cluster-management.io/clusteradm/pkg/helpers/apply"
)
func (o *Options) complete(cmd *cobra.Command, args []string) (err error) {
if len(args) > 0 {
o.ClusterName = args[0]
}
return nil
}
func (o *Options) validate() error {
if len(o.ClusterName) == 0 {
return fmt.Errorf("clustername is missing")
}
return nil
}
func (o *Options) run() (err error) {
kubeClient, apiextensionsClient, dynamicClient, err := clusteradmhelpers.GetClients(o.CMFlags.KubectlFactory)
if err != nil {
return err
}
return o.runWithClient(kubeClient, apiextensionsClient, dynamicClient)
}
func (o *Options) runWithClient(kubeClient kubernetes.Interface,
apiExtensionsClient apiextensionsClient.Interface,
dynamicClient dynamic.Interface) (err error) {
reader := scenario.GetScenarioResourcesReader()
values := make(map[string]interface{})
//Get clusterDeployment
cdu, err := dynamicClient.Resource(helpers.GvrCD).Namespace(o.ClusterName).Get(context.TODO(), o.ClusterName, metav1.GetOptions{})
if err != nil {
return err
}
cd := &hivev1.ClusterDeployment{}
err = runtime.DefaultUnstructuredConverter.FromUnstructured(cdu.UnstructuredContent(), cd)
if err != nil {
return err
}
values["clusterDeployment"] = cdu.Object
//Check if platform is supported.
var secretName string
switch {
case cd.Spec.Platform.AWS != nil:
secretName = cd.Spec.Platform.AWS.CredentialsSecretRef.Name
case cd.Spec.Platform.Azure != nil && o.CMFlags.Beta:
secretName = cd.Spec.Platform.Azure.CredentialsSecretRef.Name
case cd.Spec.Platform.GCP != nil && o.CMFlags.Beta:
secretName = cd.Spec.Platform.GCP.CredentialsSecretRef.Name
case cd.Spec.Platform.VSphere != nil && o.CMFlags.Beta:
secretName = cd.Spec.Platform.VSphere.CredentialsSecretRef.Name
case cd.Spec.Platform.OpenStack != nil && o.CMFlags.Beta:
secretName = cd.Spec.Platform.OpenStack.CredentialsSecretRef.Name
default:
return fmt.Errorf("unsupported platform %v", cd.Spec.Platform)
}
//Get install-config
ic, err := kubeClient.CoreV1().Secrets(o.ClusterName).Get(context.TODO(), cd.Spec.Provisioning.InstallConfigSecretRef.Name, metav1.GetOptions{})
if err != nil {
return err
}
j, err := yaml.YAMLToJSON(ic.Data["install-config.yaml"])
if err != nil {
return err
}
u := &unstructured.Unstructured{}
_, _, err = unstructured.UnstructuredJSONScheme.Decode(j, nil, u)
if err != nil {
if !runtime.IsMissingKind(err) {
return err
}
}
values["installConfig"] = u.Object
//Get sshPrivateKey
pk, err := kubeClient.CoreV1().Secrets(o.ClusterName).Get(context.TODO(), cd.Spec.Provisioning.SSHPrivateKeySecretRef.Name, metav1.GetOptions{})
if err != nil {
return err
}
values["sshPrivateKey"] = string(pk.Data["ssh-privatekey"])
//Get credentials
if o.withoutCredentials {
values["awsAccessKeyID"] = "your_aws_access_key_id"
values["awsSecretAccessKey"] = "your_aws_secret_access_key"
values["osServicePrincipalJson"] = map[string]interface{}{
"clientID": "your_clientID",
"clientSecret": "your_clientSecret",
"tenantID": "your_tenantID",
"subscriptionID": "your_subscriptionID",
}
values["osServiceAccountJson"] = "your_osServiceAccountJson"
values["vsphere_username"] = "your_username"
values["vsphere_password"] = "your_password"
values["openstack_cloudsYaml"] = "your_cloudsYaml"
} else {
cred, err := kubeClient.CoreV1().Secrets(o.ClusterName).Get(context.TODO(), secretName, metav1.GetOptions{})
if err != nil {
return err
}
switch {
case cd.Spec.Platform.AWS != nil:
values["awsAccessKeyID"] = string(cred.Data["aws_access_key_id"])
values["awsSecretAccessKey"] = string(cred.Data["aws_secret_access_key"])
case cd.Spec.Platform.Azure != nil:
osServicePrincipal := cred.Data["osServicePrincipal.json"]
osServicePrincipalMap := make(map[string]interface{})
err = json.Unmarshal(osServicePrincipal, &osServicePrincipalMap)
if err != nil {
return err
}
values["osServicePrincipalJson"] = osServicePrincipalMap
case cd.Spec.Platform.GCP != nil:
values["osServiceAccountJson"] = string(cred.Data["osServiceAccount.json"])
case cd.Spec.Platform.VSphere != nil:
values["vsphere_username"] = string(cred.Data["username"])
values["vsphere_password"] = string(cred.Data["password"])
cert, err := kubeClient.CoreV1().Secrets(o.ClusterName).Get(context.TODO(), cd.Name+"-vsphere-certs", metav1.GetOptions{})
if err != nil {
return err
}
//Not sure if I have to decode or not as the secret template contains a encode statement.
values["vpshere_cert"] = string(cert.Data[".cacert"])
case cd.Spec.Platform.OpenStack != nil:
values["openstack_cloudsYaml"] = string(cred.Data["clouds.yaml"])
}
}
//Get clusterimageset
klog.V(5).Infof("ImageSetRef:%s", cd.Spec.Provisioning.ImageSetRef.Name)
cisu, err := dynamicClient.Resource(helpers.GvrCIS).Get(context.TODO(), cd.Spec.Provisioning.ImageSetRef.Name, metav1.GetOptions{})
if err != nil {
return err
}
values["clusterImageSet"] = cisu.Object
klog.V(5).Infof("%v\n", values)
applierBuilder := &clusteradmapply.ApplierBuilder{}
applier := applierBuilder.WithClient(kubeClient, apiExtensionsClient, dynamicClient)
b, err := applier.MustTempalteAsset(reader, values, "", "config/config.yaml")
if err != nil {
return err
}
if len(o.outputFile) != 0 {
return ioutil.WriteFile(o.outputFile, b, 0600)
}
fmt.Printf("%s\n", string(b))
return nil
}