diff options
Diffstat (limited to 'src/k8splugin/internal/app/vnfhelper.go')
-rw-r--r-- | src/k8splugin/internal/app/vnfhelper.go | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/src/k8splugin/internal/app/vnfhelper.go b/src/k8splugin/internal/app/vnfhelper.go deleted file mode 100644 index c5783d69..00000000 --- a/src/k8splugin/internal/app/vnfhelper.go +++ /dev/null @@ -1,195 +0,0 @@ -/* -Copyright 2018 Intel Corporation. -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 ( - "encoding/hex" - "io/ioutil" - "log" - "math/rand" - "os" - "strings" - - "k8s.io/client-go/kubernetes" - - pkgerrors "github.com/pkg/errors" - yaml "gopkg.in/yaml.v2" - - utils "k8splugin/internal" - "k8splugin/internal/rb" -) - -func generateExternalVNFID() string { - b := make([]byte, 2) - rand.Read(b) - return hex.EncodeToString(b) -} - -func ensuresNamespace(namespace string, kubeclient kubernetes.Interface) error { - namespacePlugin, ok := utils.LoadedPlugins["namespace"] - if !ok { - return pkgerrors.New("No plugin for namespace resource found") - } - - symGetNamespaceFunc, err := namespacePlugin.Lookup("Get") - if err != nil { - return pkgerrors.Wrap(err, "Error fetching get namespace function") - } - - ns, _ := symGetNamespaceFunc.(func(string, string, kubernetes.Interface) (string, error))( - namespace, namespace, kubeclient) - - if ns == "" { - log.Println("Creating " + namespace + " namespace") - symGetNamespaceFunc, err := namespacePlugin.Lookup("Create") - if err != nil { - return pkgerrors.Wrap(err, "Error fetching create namespace plugin") - } - namespaceResource := &utils.ResourceData{ - Namespace: namespace, - } - - _, err = symGetNamespaceFunc.(func(*utils.ResourceData, kubernetes.Interface) (string, error))( - namespaceResource, kubeclient) - if err != nil { - return pkgerrors.Wrap(err, "Error creating "+namespace+" namespace") - } - } - return nil -} - -// CreateVNF reads the CSAR files from the files system and creates them one by one -var CreateVNF = func(csarID string, cloudRegionID string, profile rb.Profile, kubeclient *kubernetes.Clientset) (string, map[string][]string, error) { - - overrideValues := []string{} - //Make sure that the namespace exists before trying to create any resources - if err := ensuresNamespace(profile.Namespace, kubeclient); err != nil { - return "", nil, pkgerrors.Wrap(err, "Error while ensuring namespace: "+profile.Namespace) - } - externalVNFID := generateExternalVNFID() - internalVNFID := cloudRegionID + "-" + profile.Namespace + "-" + externalVNFID - - metaMap, err := rb.NewProfileClient().Resolve(profile.RBName, profile.RBVersion, profile.ProfileName, overrideValues) - if err != nil { - return "", nil, pkgerrors.Wrap(err, "Error resolving helm charts") - } - - resourceYAMLNameMap := make(map[string][]string) - // Iterates over the resources defined in the metadata map to create kubernetes resources - log.Printf("%d resource(s) type(s) to be processed", len(metaMap)) - for res, filePaths := range metaMap { - //Convert resource to lower case as the map index is lowercase - resource := strings.ToLower(res) - log.Println("Processing items of " + string(resource) + " resource") - var resourcesCreated []string - for _, filepath := range filePaths { - - if _, err := os.Stat(filepath); os.IsNotExist(err) { - return "", nil, pkgerrors.New("File " + filepath + "does not exists") - } - log.Println("Processing file: " + filepath) - - //Populate the namespace from profile instead of instance body - genericKubeData := &utils.ResourceData{ - YamlFilePath: filepath, - Namespace: profile.Namespace, - VnfId: internalVNFID, - } - - typePlugin, ok := utils.LoadedPlugins[resource] - if !ok { - return "", nil, pkgerrors.New("No plugin for resource " + resource + " found") - } - - symCreateResourceFunc, err := typePlugin.Lookup("Create") - if err != nil { - return "", nil, pkgerrors.Wrap(err, "Error fetching "+resource+" plugin") - } - - internalResourceName, err := symCreateResourceFunc.(func(*utils.ResourceData, kubernetes.Interface) (string, error))( - genericKubeData, kubeclient) - if err != nil { - return "", nil, pkgerrors.Wrap(err, "Error in plugin "+resource+" plugin") - } - log.Print(internalResourceName + " succesful resource created") - resourcesCreated = append(resourcesCreated, internalResourceName) - } - resourceYAMLNameMap[resource] = resourcesCreated - } - - return externalVNFID, resourceYAMLNameMap, nil -} - -// DestroyVNF deletes VNFs based on data passed -var DestroyVNF = func(data map[string][]string, namespace string, kubeclient *kubernetes.Clientset) error { - /* data: - { - "deployment": ["cloud1-default-uuid-sisedeploy1", "cloud1-default-uuid-sisedeploy2", ... ] - "service": ["cloud1-default-uuid-sisesvc1", "cloud1-default-uuid-sisesvc2", ... ] - }, - */ - - for resourceName, resourceList := range data { - typePlugin, ok := utils.LoadedPlugins[resourceName] - if !ok { - return pkgerrors.New("No plugin for resource " + resourceName + " found") - } - - symDeleteResourceFunc, err := typePlugin.Lookup("Delete") - if err != nil { - return pkgerrors.Wrap(err, "Error fetching "+resourceName+" plugin") - } - - for _, resourceName := range resourceList { - - log.Println("Deleting resource: " + resourceName) - - err = symDeleteResourceFunc.(func(string, string, kubernetes.Interface) error)( - resourceName, namespace, kubeclient) - if err != nil { - return pkgerrors.Wrap(err, "Error destroying "+resourceName) - } - } - } - - return nil -} - -// MetadataFile stores the metadata of execution -type MetadataFile struct { - ResourceTypePathMap map[string][]string `yaml:"resources"` -} - -// ReadMetadataFile reads the metadata yaml to return the order or reads -var ReadMetadataFile = func(path string) (MetadataFile, error) { - var metadataFile MetadataFile - - if _, err := os.Stat(path); os.IsNotExist(err) { - return metadataFile, pkgerrors.Wrap(err, "Metadata YAML file does not exist") - } - - log.Println("Reading metadata YAML: " + path) - yamlFile, err := ioutil.ReadFile(path) - if err != nil { - return metadataFile, pkgerrors.Wrap(err, "Metadata YAML file read error") - } - - err = yaml.Unmarshal(yamlFile, &metadataFile) - if err != nil { - return metadataFile, pkgerrors.Wrap(err, "Metadata YAML file unmarshal error") - } - log.Printf("metadata:\n%v", metadataFile) - - return metadataFile, nil -} |