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authorLukasz Rajewski <lukasz.rajewski@orange.com>2021-08-01 21:01:44 +0200
committerLukasz Rajewski <lukasz.rajewski@orange.com>2021-08-02 22:48:48 +0200
commit5e27642926c9967a26eef5d4625aba2f1eee2c8c (patch)
tree9689affa97005d0eceb026432f6872744fcdc282 /src/k8splugin/internal
parente42203ee6c170eebb9466ee82baa97f83e88955c (diff)
Add suport for query api on root level
Add suport for query api on root level. Instance query handler and root query handler merged. Issue-ID: MULTICLOUD-1379 Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com> Change-Id: I1dc95c7aca0e734edf5794e7c36143dc12070f2b
Diffstat (limited to 'src/k8splugin/internal')
-rw-r--r--src/k8splugin/internal/app/client.go7
-rw-r--r--src/k8splugin/internal/app/instance.go48
-rw-r--r--src/k8splugin/internal/app/query.go108
3 files changed, 122 insertions, 41 deletions
diff --git a/src/k8splugin/internal/app/client.go b/src/k8splugin/internal/app/client.go
index 00fd8e97..4c5f7e1c 100644
--- a/src/k8splugin/internal/app/client.go
+++ b/src/k8splugin/internal/app/client.go
@@ -1,6 +1,7 @@
/*
Copyright 2018 Intel Corporation.
Copyright © 2021 Samsung Electronics
+Copyright © 2021 Orange
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -121,9 +122,11 @@ func (k *KubernetesClient) queryResources(apiVersion, kind, labelSelector, names
return nil, pkgerrors.Wrap(err, "Querying for resources")
}
- resp := make([]ResourceStatus, len(unstrList.Items))
+ resp := make([]ResourceStatus, 0)
for _, unstr := range unstrList.Items {
- resp = append(resp, ResourceStatus{unstr.GetName(), gvk, unstr})
+ if unstr.GetName() != "" {
+ resp = append(resp, ResourceStatus{unstr.GetName(), gvk, unstr})
+ }
}
return resp, nil
}
diff --git a/src/k8splugin/internal/app/instance.go b/src/k8splugin/internal/app/instance.go
index c1ec35b6..01d924f9 100644
--- a/src/k8splugin/internal/app/instance.go
+++ b/src/k8splugin/internal/app/instance.go
@@ -1,6 +1,7 @@
/*
* Copyright 2018 Intel Corporation, Inc
* Copyright © 2021 Samsung Electronics
+ * Copyright © 2021 Orange
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,13 +20,13 @@ package app
import (
"encoding/json"
+ "log"
+ "strings"
+
"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/helm"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/namegenerator"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/rb"
- "k8s.io/apimachinery/pkg/runtime/schema"
- "log"
- "strings"
pkgerrors "github.com/pkg/errors"
)
@@ -214,6 +215,7 @@ func (v *InstanceClient) Get(id string) (InstanceResponse, error) {
// Query returns state of instance's filtered resources
func (v *InstanceClient) Query(id, apiVersion, kind, name, labels string) (InstanceStatus, error) {
+ queryClient := NewQueryClient()
//Read the status from the DB
key := InstanceKey{
ID: id,
@@ -231,47 +233,15 @@ func (v *InstanceClient) Query(id, apiVersion, kind, name, labels string) (Insta
return InstanceStatus{}, pkgerrors.Wrap(err, "Unmarshaling Instance Value")
}
- k8sClient := KubernetesClient{}
- err = k8sClient.Init(resResp.Request.CloudRegion, id)
+ resources, err := queryClient.Query(resResp.Namespace, resResp.Request.CloudRegion, apiVersion, kind, name, labels, id)
if err != nil {
- return InstanceStatus{}, pkgerrors.Wrap(err, "Getting CloudRegion Information")
- }
-
- var resourcesStatus []ResourceStatus
- if labels != "" {
- resList, err := k8sClient.queryResources(apiVersion, kind, labels, resResp.Namespace)
- if err != nil {
- return InstanceStatus{}, pkgerrors.Wrap(err, "Querying Resources")
- }
- // If user specifies both label and name, we want to pick up only single resource from these matching label
- if name != "" {
- //Assigning 0-length, because we may actually not find matching name
- resourcesStatus = make([]ResourceStatus, 0)
- for _, res := range resList {
- if res.Name == name {
- resourcesStatus = append(resourcesStatus, res)
- break
- }
- }
- } else {
- resourcesStatus = resList
- }
- } else if name != "" {
- resIdentifier := helm.KubernetesResource{
- Name: name,
- GVK: schema.FromAPIVersionAndKind(apiVersion, kind),
- }
- res, err := k8sClient.GetResourceStatus(resIdentifier, resResp.Namespace)
- if err != nil {
- return InstanceStatus{}, pkgerrors.Wrap(err, "Querying Resource")
- }
- resourcesStatus = []ResourceStatus{res}
+ return InstanceStatus{}, pkgerrors.Wrap(err, "Querying Resources")
}
resp := InstanceStatus{
Request: resResp.Request,
- ResourceCount: int32(len(resourcesStatus)),
- ResourcesStatus: resourcesStatus,
+ ResourceCount: resources.ResourceCount,
+ ResourcesStatus: resources.ResourcesStatus,
}
return resp, nil
}
diff --git a/src/k8splugin/internal/app/query.go b/src/k8splugin/internal/app/query.go
new file mode 100644
index 00000000..cb645afd
--- /dev/null
+++ b/src/k8splugin/internal/app/query.go
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2018 Intel Corporation, Inc
+ * Copyright © 2021 Samsung Electronics
+ * Copyright © 2021 Orange
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package app
+
+import (
+ "github.com/onap/multicloud-k8s/src/k8splugin/internal/helm"
+ "k8s.io/apimachinery/pkg/runtime/schema"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// QueryStatus is what is returned when status is queried for an instance
+type QueryStatus struct {
+ ResourceCount int32 `json:"resourceCount"`
+ ResourcesStatus []ResourceStatus `json:"resourcesStatus"`
+}
+
+// QueryManager is an interface exposes the instantiation functionality
+type QueryManager interface {
+ Query(namespace, cloudRegion, apiVersion, kind, name, labels, id string) (QueryStatus, error)
+}
+
+// QueryClient implements the InstanceManager interface
+// It will also be used to maintain some localized state
+type QueryClient struct {
+ storeName string
+ tagInst string
+}
+
+// NewQueryClient returns an instance of the QueryClient
+// which implements the InstanceManager
+func NewQueryClient() *QueryClient {
+ return &QueryClient{
+ storeName: "rbdef",
+ tagInst: "instance",
+ }
+}
+
+// Query returns state of instance's filtered resources
+func (v *QueryClient) Query(namespace, cloudRegion, apiVersion, kind, name, labels, id string) (QueryStatus, error) {
+
+ //Read the status from the DD
+
+ k8sClient := KubernetesClient{}
+ err := k8sClient.Init(cloudRegion, id)
+ if err != nil {
+ return QueryStatus{}, pkgerrors.Wrap(err, "Getting CloudRegion Information")
+ }
+
+ var resourcesStatus []ResourceStatus
+ if labels != "" {
+ resList, err := k8sClient.queryResources(apiVersion, kind, labels, namespace)
+ if err != nil {
+ return QueryStatus{}, pkgerrors.Wrap(err, "Querying Resources")
+ }
+ // If user specifies both label and name, we want to pick up only single resource from these matching label
+ if name != "" {
+ //Assigning 0-length, because we may actually not find matching name
+ resourcesStatus = make([]ResourceStatus, 0)
+ for _, res := range resList {
+ if res.Name == name {
+ resourcesStatus = append(resourcesStatus, res)
+ break
+ }
+ }
+ } else {
+ resourcesStatus = resList
+ }
+ } else if name != "" {
+ resIdentifier := helm.KubernetesResource{
+ Name: name,
+ GVK: schema.FromAPIVersionAndKind(apiVersion, kind),
+ }
+ res, err := k8sClient.GetResourceStatus(resIdentifier, namespace)
+ if err != nil {
+ return QueryStatus{}, pkgerrors.Wrap(err, "Querying Resource")
+ }
+ resourcesStatus = []ResourceStatus{res}
+ } else {
+ resList, err := k8sClient.queryResources(apiVersion, kind, labels, namespace)
+ if err != nil {
+ return QueryStatus{}, pkgerrors.Wrap(err, "Querying Resources")
+ }
+ resourcesStatus = resList
+ }
+
+ resp := QueryStatus{
+ ResourceCount: int32(len(resourcesStatus)),
+ ResourcesStatus: resourcesStatus,
+ }
+ return resp, nil
+}