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authorKiran Kamineni <kiran.k.kamineni@intel.com>2019-07-17 16:55:00 -0700
committerKiran Kamineni <kiran.k.kamineni@intel.com>2019-08-07 13:06:51 -0700
commitb75115b0678a1034ffc1d1c8fee40c7f5b995c97 (patch)
tree3e2b96eef05d58c913f53a9cbbcc40e2bfd7ce4d /src/k8splugin/internal/plugin
parent99d4574f6385666f21d5c31fd0e9046a2ab509ef (diff)
Add custom label to track created resources
Create a custom label on created resources Also, create it on pods where pods are being created. This will help us later for filtering and querying pods and resources. Issue-ID: MULTICLOUD-675 Change-Id: I4b4fce7b67f9f27559d99dcca94a9191b96cb7c6 Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
Diffstat (limited to 'src/k8splugin/internal/plugin')
-rw-r--r--src/k8splugin/internal/plugin/helpers.go58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/k8splugin/internal/plugin/helpers.go b/src/k8splugin/internal/plugin/helpers.go
index 26e0f467..b5c9109c 100644
--- a/src/k8splugin/internal/plugin/helpers.go
+++ b/src/k8splugin/internal/plugin/helpers.go
@@ -17,14 +17,18 @@
package plugin
import (
+ "encoding/json"
"log"
"strings"
utils "github.com/onap/multicloud-k8s/src/k8splugin/internal"
+ "github.com/onap/multicloud-k8s/src/k8splugin/internal/config"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/helm"
pkgerrors "github.com/pkg/errors"
+ corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/meta"
+ "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
@@ -45,6 +49,9 @@ type KubernetesConnector interface {
// GetStandardClient returns the standard client that can be used to handle
// standard kubernetes kinds
GetStandardClient() kubernetes.Interface
+
+ //GetInstanceID returns the InstanceID for tracking during creation
+ GetInstanceID() string
}
// Reference is the interface that is implemented
@@ -90,3 +97,54 @@ func GetPluginByKind(kind string) (Reference, error) {
return pluginImpl, nil
}
+
+// TagPodsIfPresent finds the PodTemplateSpec from any workload
+// object that contains it and changes the spec to include the tag label
+func TagPodsIfPresent(unstruct *unstructured.Unstructured, tag string) {
+
+ spec, ok := unstruct.Object["spec"].(map[string]interface{})
+ if !ok {
+ log.Println("Error converting spec to map")
+ return
+ }
+ template, ok := spec["template"].(map[string]interface{})
+ if !ok {
+ log.Println("Error converting template to map")
+ return
+ }
+
+ data, err := json.Marshal(template)
+ if err != nil {
+ log.Println("Error Marshaling Podspec")
+ return
+ }
+
+ //Attempt to convert the template to a podtemplatespec.
+ //This is to check if we have any pods being created.
+ podTemplateSpec := &corev1.PodTemplateSpec{}
+ _, err = podTemplateSpec.MarshalTo(data)
+ if err != nil {
+ log.Println("Did not find a podTemplateSpec" + err.Error())
+ return
+ }
+
+ //At this point, we know that the data contains a PodTemplateSpec
+ metadata, ok := template["metadata"].(map[string]interface{})
+ if !ok {
+ log.Println("Error converting metadata to map")
+ return
+ }
+
+ //Get the labels map
+ labels, ok := metadata["labels"].(map[string]string)
+ if !ok {
+ log.Println("Error converting labels to map")
+ return
+ }
+
+ //Check if labels exist for this object
+ if labels == nil {
+ labels = map[string]string{}
+ }
+ labels[config.GetConfiguration().KubernetesLabelName] = tag
+}