Add 'build-info' command

Makefile

@@ -83,7 +83,8 @@ BASE_PACKAGE_NAME := github.com/dapr/cli
 OUT_DIR := ./dist
 
 BINS_OUT_DIR := $(OUT_DIR)/$(GOOS)_$(GOARCH)/$(BUILDTYPE_DIR)
-LDFLAGS := "-X main.version=$(CLI_VERSION) -X main.apiVersion=$(RUNTIME_API_VERSION)"
+LDFLAGS := "-X main.version=$(CLI_VERSION) -X main.apiVersion=$(RUNTIME_API_VERSION) \
+ -X $(BASE_PACKAGE_NAME)/pkg/standalone.gitcommit=$(GIT_COMMIT) -X $(BASE_PACKAGE_NAME)/pkg/standalone.gitversion=$(GIT_VERSION)"
 
 ################################################################################
 # Target: build                                                                #

cmd/buildinfo.go

@@ -0,0 +1,30 @@
+// ------------------------------------------------------------
+// Copyright (c) Microsoft Corporation and Dapr Contributors.
+// Licensed under the MIT License.
+// ------------------------------------------------------------
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/dapr/cli/pkg/standalone"
+	"github.com/spf13/cobra"
+)
+
+var BuildInfoCmd = &cobra.Command{
+	Use:   "build-info",
+	Short: "Print build info of Dapr CLI and runtime",
+	Example: `
+# Print build info
+dapr build-info
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println(standalone.GetBuildInfo(RootCmd.Version))
+	},
+}
+
+func init() {
+	BuildInfoCmd.Flags().BoolP("help", "h", false, "Print this help message")
+	RootCmd.AddCommand(BuildInfoCmd)
+}

pkg/standalone/version.go

@@ -5,7 +5,16 @@
 
 package standalone
 
-import "os/exec"
+import (
+	"bufio"
+	"os/exec"
+	"strings"
+)
+
+// Values for these are injected by the build.
+var (
+	gitcommit, gitversion string
+)
 
 // GetRuntimeVersion returns the version for the local Dapr runtime.
 func GetRuntimeVersion() string {
@@ -30,3 +39,32 @@ func GetDashboardVersion() string {
 	}
 	return string(out)
 }
+
+// GetBuildInfo returns build info for the CLI and the local Dapr runtime.
+func GetBuildInfo(version string) string {
+	daprBinDir := defaultDaprBinPath()
+	daprCMD := binaryFilePath(daprBinDir, "daprd")
+
+	strs := []string{
+		"CLI:",
+		"\tVersion: " + version,
+		"\tGit Commit: " + gitcommit,
+		"\tGit Version: " + gitversion,
+		"Runtime:",
+	}
+
+	out, err := exec.Command(daprCMD, "--build-info").Output()
+	if err != nil {
+		// try '--version' for older runtime version
+		out, err = exec.Command(daprCMD, "--version").Output()
+	}
+	if err != nil {
+		strs = append(strs, "\tN/A")
+	} else {
+		scanner := bufio.NewScanner(strings.NewReader(string(out)))
+		for scanner.Scan() {
+			strs = append(strs, "\t"+scanner.Text())
+		}
+	}
+	return strings.Join(strs, "\n")
+}