Log build CGO_ENABLED state

build/build.go

@@ -28,6 +28,8 @@ import (
 	"embed"
 	"encoding/json"
 	"time"
+
+	"go.temporal.io/server/build/cgo"
 )
 
 const (
@@ -40,6 +42,8 @@ type (
 		GitRevision string
 		// BuildTimeUnix is the seconds since epoch representing the date this build was created.
 		BuildTimeUnix int64
+		// CgoEnabled indicates whether cgo was enabled when this build was created.
+		CgoEnabled bool
 	}
 )
 
@@ -53,6 +57,7 @@ func init() {
 	InfoData = Info{
 		GitRevision:   "unknown",
 		BuildTimeUnix: 0,
+		CgoEnabled:    cgo.Enabled,
 	}
 
 	buildInfoDataJson, err := buildInfoFs.ReadFile(buildInfoDataFile)

build/cgo/cgo.go

@@ -0,0 +1,31 @@
+// The MIT License
+//
+// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
+//
+// Copyright (c) 2020 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+//go:build cgo
+
+package cgo
+
+const (
+	Enabled = true
+)

build/cgo/nocgo.go

@@ -0,0 +1,31 @@
+// The MIT License
+//
+// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
+//
+// Copyright (c) 2020 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+//go:build !cgo
+
+package cgo
+
+const (
+	Enabled = false
+)

cmd/server/main.go

@@ -47,6 +47,10 @@ import (
 	"go.temporal.io/server/temporal"
 )
 
+var (
+	cgoEnabled = false
+)
+
 // main entry point for the temporal server
 func main() {
 	app := buildCLI()
@@ -139,6 +143,7 @@ func buildCLI() *cli.App {
 					tag.NewStringTag("platform", runtime.GOARCH),
 					tag.NewStringTag("go-version", runtime.Version()),
 					tag.NewStringTag("server-version", headers.ServerVersion),
+					tag.NewBoolTag("cgo-enabled", build.InfoData.CgoEnabled),
 				)
 
 				var dynamicConfigClient dynamicconfig.Client