Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/internal/pkg/commands/version.go b/internal/pkg/commands/version.go
new file mode 100644
index 0000000..0d1f280
--- /dev/null
+++ b/internal/pkg/commands/version.go
@@ -0,0 +1,228 @@
+/*
+ * Copyright 2019-present Ciena 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 commands
+
+import (
+ "context"
+ "encoding/json"
+ "github.com/ciena/voltctl/internal/pkg/cli/version"
+ "github.com/ciena/voltctl/pkg/format"
+ "github.com/fullstorydev/grpcurl"
+ flags "github.com/jessevdk/go-flags"
+ "github.com/jhump/protoreflect/dynamic"
+ "strings"
+)
+
+type VersionDetails struct {
+ Version string `json:"version"`
+ GoVersion string `json:"goversion"`
+ VcsRef string `json:"gitcommit"`
+ VcsDirty string `json:"gitdirty"`
+ BuildTime string `json:"buildtime"`
+ Os string `json:"os"`
+ Arch string `json:"arch"`
+}
+
+type VersionOutput struct {
+ Client VersionDetails `json:"client"`
+ Cluster VersionDetails `json:"cluster"`
+}
+
+type VersionOpts struct {
+ OutputOptions
+ ClientOnly bool `long:"clientonly" description:"Display only client version information"`
+}
+
+var versionOpts = VersionOpts{}
+
+var versionInfo = VersionOutput{
+ Client: VersionDetails{
+ Version: version.Version,
+ GoVersion: version.GoVersion,
+ VcsRef: version.VcsRef,
+ VcsDirty: version.VcsDirty,
+ Os: version.Os,
+ Arch: version.Arch,
+ BuildTime: version.BuildTime,
+ },
+ Cluster: VersionDetails{
+ Version: "unknown-version",
+ GoVersion: "unknown-goversion",
+ VcsRef: "unknown-vcsref",
+ VcsDirty: "unknown-vcsdirty",
+ Os: "unknown-os",
+ Arch: "unknown-arch",
+ BuildTime: "unknown-buildtime",
+ },
+}
+
+func RegisterVersionCommands(parent *flags.Parser) {
+ _, err := parent.AddCommand("version", "display version", "Display client and server version", &versionOpts)
+ if err != nil {
+ panic(err)
+ }
+}
+
+const ClientOnlyFormat = `Client:
+ Version {{.Version}}
+ Go version: {{.GoVersion}}
+ Vcs reference: {{.VcsRef}}
+ Vcs dirty: {{.VcsDirty}}
+ Built: {{.BuildTime}}
+ OS/Arch: {{.Os}}/{{.Arch}}
+`
+
+const DefaultFormat = `Client:
+ Version {{.Client.Version}}
+ Go version: {{.Client.GoVersion}}
+ Vcs reference: {{.Client.VcsRef}}
+ Vcs dirty: {{.Client.VcsDirty}}
+ Built: {{.Client.BuildTime}}
+ OS/Arch: {{.Client.Os}}/{{.Client.Arch}}
+
+Cluster:
+ Version {{.Cluster.Version}}
+ Go version: {{.Cluster.GoVersion}}
+ Vcs feference: {{.Cluster.VcsRef}}
+ Vcs dirty: {{.Cluster.VcsDirty}}
+ Built: {{.Cluster.BuildTime}}
+ OS/Arch: {{.Cluster.Os}}/{{.Cluster.Arch}}
+`
+
+func (options *VersionOpts) clientOnlyVersion(args []string) error {
+ outputFormat := CharReplacer.Replace(options.Format)
+ if outputFormat == "" {
+ outputFormat = ClientOnlyFormat
+ }
+ if options.Quiet {
+ outputFormat = "{{.Version}}"
+ }
+
+ result := CommandResult{
+ Format: format.Format(outputFormat),
+ OutputAs: toOutputType(options.OutputAs),
+ NameLimit: options.NameLimit,
+ Data: versionInfo.Client,
+ }
+
+ GenerateOutput(&result)
+ return nil
+}
+
+func (options *VersionOpts) Execute(args []string) error {
+ if options.ClientOnly {
+ return options.clientOnlyVersion(args)
+ }
+
+ conn, err := NewConnection()
+ if err != nil {
+ return err
+ }
+ defer conn.Close()
+ descriptor, method, err := GetMethod("version")
+ if err != nil {
+ return err
+ }
+
+ ctx, cancel := context.WithTimeout(context.Background(), GlobalConfig.Grpc.Timeout)
+ defer cancel()
+
+ h := &RpcEventHandler{}
+ err = grpcurl.InvokeRPC(ctx, descriptor, conn, method, []string{}, h, h.GetParams)
+ if err != nil {
+ return err
+ }
+
+ if h.Status != nil && h.Status.Err() != nil {
+ return h.Status.Err()
+ }
+
+ d, err := dynamic.AsDynamicMessage(h.Response)
+ if err != nil {
+ return err
+ }
+ version, err := d.TryGetFieldByName("version")
+ if err != nil {
+ return err
+ }
+
+ info := make(map[string]interface{})
+ err = json.Unmarshal([]byte(version.(string)), &info)
+ if err != nil {
+ versionInfo.Cluster.Version = strings.ReplaceAll(version.(string), "\n", "")
+ } else {
+ var ok bool
+ if _, ok = info["version"]; ok {
+ versionInfo.Cluster.Version = info["version"].(string)
+ } else {
+ versionInfo.Cluster.Version = "unknown-version"
+ }
+
+ if _, ok = info["goversion"]; ok {
+ versionInfo.Cluster.GoVersion = info["goversion"].(string)
+ } else {
+ versionInfo.Cluster.GoVersion = "unknown-goversion"
+ }
+
+ if _, ok = info["vcsref"]; ok {
+ versionInfo.Cluster.VcsRef = info["vcsref"].(string)
+ } else {
+ versionInfo.Cluster.VcsRef = "unknown-vcsref"
+ }
+
+ if _, ok = info["vcsdirty"]; ok {
+ versionInfo.Cluster.VcsDirty = info["vcsdirty"].(string)
+ } else {
+ versionInfo.Cluster.VcsDirty = "unknown-vcsdirty"
+ }
+
+ if _, ok = info["buildtime"]; ok {
+ versionInfo.Cluster.BuildTime = info["buildtime"].(string)
+ } else {
+ versionInfo.Cluster.BuildTime = "unknown-buildtime"
+ }
+
+ if _, ok = info["os"]; ok {
+ versionInfo.Cluster.Os = info["os"].(string)
+ } else {
+ versionInfo.Cluster.Os = "unknown-os"
+ }
+
+ if _, ok = info["arch"]; ok {
+ versionInfo.Cluster.Arch = info["arch"].(string)
+ } else {
+ versionInfo.Cluster.Arch = "unknown-arch"
+ }
+ }
+
+ outputFormat := CharReplacer.Replace(options.Format)
+ if outputFormat == "" {
+ outputFormat = DefaultFormat
+ }
+ if options.Quiet {
+ outputFormat = "{{.Client.Version}}"
+ }
+
+ result := CommandResult{
+ Format: format.Format(outputFormat),
+ OutputAs: toOutputType(options.OutputAs),
+ NameLimit: options.NameLimit,
+ Data: versionInfo,
+ }
+
+ GenerateOutput(&result)
+ return nil
+}