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 //==================================================================================
28 "gerrit.o-ran-sc.org/r/ric-plt/ricdms/pkg/ricdms"
29 "helm.sh/helm/v3/pkg/action"
30 "helm.sh/helm/v3/pkg/chart/loader"
31 "helm.sh/helm/v3/pkg/cli"
34 type DeploymentManager struct {
35 settings *cli.EnvSettings
39 HELM_DRIVER = "HELM_DRIVER"
40 CHART_NAME_FORMAT = "chart-%s-%s.tgz"
41 RELESE_NAME_FORMAT = "ricdms-%s-rel"
44 func NewDeploymentManager() IDeploy {
45 return &DeploymentManager{}
48 func (d *DeploymentManager) install(chartPath, appName, namesapce string) error {
49 conf := action.Configuration{}
50 err := conf.Init(d.settings.RESTClientGetter(), "namespace", os.Getenv(HELM_DRIVER), ricdms.Logger.Debug)
53 ricdms.Logger.Error("not able to prepare install configuration: %v", err)
57 install := action.NewInstall(&conf)
58 install.ReleaseName = fmt.Sprintf(RELESE_NAME_FORMAT, appName)
59 install.Namespace = namesapce
61 cp, err := install.ChartPathOptions.LocateChart(chartPath, d.settings)
63 ricdms.Logger.Error("Not able to locate charts on: %s", chartPath)
66 chart, err := loader.Load(cp)
68 ricdms.Logger.Error("Not able to load charts : %v", err)
72 release, err := install.Run(chart, map[string]interface{}{})
74 ricdms.Logger.Error("Not able to install the xApp : %v", err)
78 ricdms.Logger.Info("chart is installed with following details : %v", release)
82 func (d *DeploymentManager) writeToFile(reader io.ReadCloser, appname, version string) error {
84 outfile, err := os.Create(fmt.Sprintf(CHART_NAME_FORMAT, appname, version))
87 ricdms.Logger.Error("outfile can't be created")
93 _, err = io.Copy(outfile, reader)
95 ricdms.Logger.Error("Error while creating chart tar: %v", err)
99 return fmt.Errorf("reader is nil")
102 func (d *DeploymentManager) Deploy(reader io.ReadCloser, appname, version, namespace string) error {
103 err := d.writeToFile(reader, appname, version)
108 err = d.install(fmt.Sprintf(CHART_NAME_FORMAT, appname, version), appname, namespace)