diff options
author | 2018-08-28 20:09:11 +0000 | |
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committer | 2018-08-28 20:09:11 +0000 | |
commit | 88579fa6f563a3bea8c39aa98159eb54d13d44a5 (patch) | |
tree | 24697d5dd4ba3c0578bef0f33cea51465b40ec27 /src/k8splugin/api/api.go | |
parent | bd3e38cf19c77e98bbd5be3e0f1f9806e0a6e331 (diff) | |
parent | a1373742a2c3f980360e4980f3b23b0ff3480ae6 (diff) |
Merge "Seed code for k8s multicloud plugin"
Diffstat (limited to 'src/k8splugin/api/api.go')
-rw-r--r-- | src/k8splugin/api/api.go | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go new file mode 100644 index 00000000..651d9311 --- /dev/null +++ b/src/k8splugin/api/api.go @@ -0,0 +1,120 @@ +/* +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 api + +import ( + "os" + "path/filepath" + "plugin" + "strings" + + "github.com/gorilla/mux" + pkgerrors "github.com/pkg/errors" + + "k8splugin/db" + "k8splugin/krd" +) + +// CheckEnvVariables checks for required Environment variables +func CheckEnvVariables() error { + envList := []string{"CSAR_DIR", "KUBE_CONFIG_DIR", "DATABASE_TYPE", "DATABASE_IP"} + for _, env := range envList { + if _, ok := os.LookupEnv(env); !ok { + return pkgerrors.New("environment variable " + env + " not set") + } + } + + return nil +} + +// CheckDatabaseConnection checks if the database is up and running and +// plugin can talk to it +func CheckDatabaseConnection() error { + err := db.CreateDBClient(os.Getenv("DATABASE_TYPE")) + if err != nil { + return pkgerrors.Cause(err) + } + + err = db.DBconn.InitializeDatabase() + if err != nil { + return pkgerrors.Cause(err) + } + + err = db.DBconn.CheckDatabase() + if err != nil { + return pkgerrors.Cause(err) + } + return nil +} + +// LoadPlugins loads all the compiled .so plugins +func LoadPlugins() error { + pluginsDir, ok := os.LookupEnv("PLUGINS_DIR") + if !ok { + pluginsDir, _ = filepath.Abs(filepath.Dir(os.Args[0])) + } + err := filepath.Walk(pluginsDir, + func(path string, info os.FileInfo, err error) error { + if strings.Contains(path, ".so") { + p, err := plugin.Open(path) + if err != nil { + return pkgerrors.Cause(err) + } + + krd.LoadedPlugins[info.Name()[:len(info.Name())-3]] = p + } + return err + }) + if err != nil { + return err + } + + return nil +} + +// CheckInitialSettings is used to check initial settings required to start api +func CheckInitialSettings() error { + err := CheckEnvVariables() + if err != nil { + return pkgerrors.Cause(err) + } + + err = CheckDatabaseConnection() + if err != nil { + return pkgerrors.Cause(err) + } + + err = LoadPlugins() + if err != nil { + return pkgerrors.Cause(err) + } + + return nil +} + +// NewRouter creates a router instance that serves the VNFInstance web methods +func NewRouter(kubeconfig string) *mux.Router { + router := mux.NewRouter() + + vnfInstanceHandler := router.PathPrefix("/v1/vnf_instances").Subrouter() + vnfInstanceHandler.HandleFunc("/", CreateHandler).Methods("POST").Name("VNFCreation") + vnfInstanceHandler.HandleFunc("/{cloudRegionID}/{namespace}", ListHandler).Methods("GET") + vnfInstanceHandler.HandleFunc("/{cloudRegionID}/{namespace}/{externalVNFID}", DeleteHandler).Methods("DELETE") + vnfInstanceHandler.HandleFunc("/{cloudRegionID}/{namespace}/{externalVNFID}", GetHandler).Methods("GET") + + // (TODO): Fix update method + // vnfInstanceHandler.HandleFunc("/{vnfInstanceId}", UpdateHandler).Methods("PUT") + + return router +} |