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util.go
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util.go
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package provider
import (
"fmt"
"strings"
"github.com/pulumi/pulumi/sdk/go/common/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/client-go/tools/clientcmd"
clientapi "k8s.io/client-go/tools/clientcmd/api"
)
func hasComputedValue(obj *unstructured.Unstructured) bool {
if obj == nil || obj.Object == nil {
return false
}
objects := []map[string]interface{}{obj.Object}
var curr map[string]interface{}
for {
if len(objects) == 0 {
break
}
curr, objects = objects[0], objects[1:]
for _, v := range curr {
switch field := v.(type) {
case resource.Computed:
return true
case map[string]interface{}:
objects = append(objects, field)
case []interface{}:
for _, v := range field {
objects = append(objects, map[string]interface{}{"": v})
}
case []map[string]interface{}:
objects = append(objects, field...)
}
}
}
return false
}
// --------------------------------------------------------------------------
// Names and namespaces.
// --------------------------------------------------------------------------
// fqObjName returns "namespace.name"
func fqObjName(o metav1.Object) string {
return fqName(o.GetNamespace(), o.GetName())
}
// parseFqName will parse a fully-qualified Kubernetes object name.
func parseFqName(id string) (namespace, name string) {
split := strings.Split(id, "/")
if len(split) == 1 {
return "", split[0]
}
namespace, name = split[0], split[1]
return
}
// fqName returns "namespace/name"
func fqName(namespace, name string) string {
if namespace == "" {
return name
}
return fmt.Sprintf("%s/%s", namespace, name)
}
// --------------------------------------------------------------------------
// Kubeconfig helpers.
// --------------------------------------------------------------------------
// parseKubeconfigPropertyValue takes a PropertyValue that possibly contains a raw kubeconfig
// (YAML or JSON) string and attempts to unmarshal it into a Config struct. If the property value
// is empty, an empty Config is returned.
func parseKubeconfigPropertyValue(kubeconfig resource.PropertyValue) (*clientapi.Config, error) {
if kubeconfig.IsNull() {
return &clientapi.Config{}, nil
}
config, err := clientcmd.Load([]byte(kubeconfig.StringValue()))
if err != nil {
return nil, fmt.Errorf("failed to parse kubeconfig: %v", err)
}
return config, nil
}
// getActiveClusterFromConfig gets the current cluster from a kubeconfig, accounting for provider overrides.
func getActiveClusterFromConfig(config *clientapi.Config, overrides resource.PropertyMap) *clientapi.Cluster {
if len(config.Clusters) == 0 {
return &clientapi.Cluster{}
}
currentContext := config.CurrentContext
if val := overrides["context"]; !val.IsNull() {
currentContext = val.StringValue()
}
activeClusterName := config.Contexts[currentContext].Cluster
activeCluster := config.Clusters[activeClusterName]
if val := overrides["cluster"]; !val.IsNull() {
activeCluster = config.Clusters[val.StringValue()]
}
return activeCluster
}