1 //==================================================================================
2 // Copyright (c) 2022 Samsung
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
16 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
17 // platform project (RICP).
18 //==================================================================================
29 "gerrit.o-ran-sc.org/r/ric-plt/ricdms/pkg/ricdms"
30 "helm.sh/helm/v3/pkg/action"
31 "helm.sh/helm/v3/pkg/chart/loader"
32 "helm.sh/helm/v3/pkg/cli"
35 type DeploymentManager struct {
36 settings *cli.EnvSettings
40 HELM_DRIVER = "HELM_DRIVER"
41 CHART_NAME_FORMAT = "chart-%s-%s.tgz"
42 RELESE_NAME_FORMAT = "ricdms-%s-rel-%s"
45 func NewDeploymentManager() IDeploy {
46 return &DeploymentManager{
51 func (d *DeploymentManager) install(chartPath, appName, version, namesapce string) error {
52 conf := action.Configuration{}
53 err := conf.Init(d.settings.RESTClientGetter(), "namespace", os.Getenv(HELM_DRIVER), ricdms.Logger.Debug)
56 ricdms.Logger.Error("not able to prepare install configuration: %v", err)
60 install := action.NewInstall(&conf)
61 install.ReleaseName = fmt.Sprintf(RELESE_NAME_FORMAT, appName, strings.ReplaceAll(version, ".", ""))
62 install.Namespace = namesapce
64 cp, err := install.ChartPathOptions.LocateChart(chartPath, d.settings)
66 ricdms.Logger.Error("Not able to locate charts on: %s", chartPath)
69 chart, err := loader.Load(cp)
71 ricdms.Logger.Error("Not able to load charts : %v", err)
75 release, err := install.Run(chart, map[string]interface{}{})
77 ricdms.Logger.Error("Not able to install the xApp : %v", err)
81 ricdms.Logger.Info("chart is installed with following details : %v", release)
85 func (d *DeploymentManager) writeToFile(reader io.ReadCloser, appname, version string) error {
87 outfile, err := os.Create(fmt.Sprintf(CHART_NAME_FORMAT, appname, version))
90 ricdms.Logger.Error("outfile can't be created")
96 _, err = io.Copy(outfile, reader)
98 ricdms.Logger.Error("Error while creating chart tar: %v", err)
102 return fmt.Errorf("reader is nil")
105 func (d *DeploymentManager) Deploy(reader io.ReadCloser, appname, version, namespace string) error {
106 err := d.writeToFile(reader, appname, version)
111 err = d.install(fmt.Sprintf(CHART_NAME_FORMAT, appname, version), appname, version, namespace)
118 func (d *DeploymentManager) Uninstall(appname, version, namespace string) error {
119 conf := action.Configuration{}
121 err := conf.Init(d.settings.RESTClientGetter(), namespace, os.Getenv(HELM_DRIVER), ricdms.Logger.Debug)
123 ricdms.Logger.Error("Not able to prepare uninstall configuration: %v", err)
127 uninstall := action.NewUninstall(&conf)
128 uninstall.Wait = true
130 resp, err := uninstall.Run(fmt.Sprintf(RELESE_NAME_FORMAT, appname, strings.ReplaceAll(version, ".", "")))
132 ricdms.Logger.Error("Error while uninstalling deployment: %v", err)
136 ricdms.Logger.Info("deployment uninstallation comlete : %", resp.Info)