TUN-5853 Add "install" make target and build package manager info into executable

.gitignore

@@ -10,6 +10,7 @@ cscope.*
 /cloudflared.exe
 /cloudflared.msi
 /cloudflared-x86-64*
+/cloudflared.1
 /packaging
 .DS_Store
 *-session.log

Makefile

@@ -23,6 +23,9 @@ endif
 
 DATE          := $(shell date -u '+%Y-%m-%d-%H%M UTC')
 VERSION_FLAGS := -X "main.Version=$(VERSION)" -X "main.BuildTime=$(DATE)"
+ifdef PACKAGE_MANAGER
+	VERSION_FLAGS := $(VERSION_FLAGS) -X "github.com/cloudflare/cloudflared/cmd/cloudflared/updater.BuiltForPackageManager=$(PACKAGE_MANAGER)"
+endif
 
 LINK_FLAGS :=
 ifeq ($(FIPS), true)
@@ -37,10 +40,11 @@ ifneq ($(GO_BUILD_TAGS),)
 	GO_BUILD_TAGS := -tags "$(GO_BUILD_TAGS)"
 endif
 
-IMPORT_PATH   := github.com/cloudflare/cloudflared
-PACKAGE_DIR   := $(CURDIR)/packaging
-INSTALL_BINDIR := /usr/bin/
-MAN_DIR := /usr/share/man/man1/
+IMPORT_PATH    := github.com/cloudflare/cloudflared
+PACKAGE_DIR    := $(CURDIR)/packaging
+PREFIX         := /usr
+INSTALL_BINDIR := $(PREFIX)/bin/
+INSTALL_MANDIR := $(PREFIX)/share/man/man1/
 
 LOCAL_ARCH ?= $(shell uname -m)
 ifneq ($(GOARCH),)
@@ -141,12 +145,20 @@ publish-deb: cloudflared-deb
 publish-rpm: cloudflared-rpm
 	$(call publish_package,rpm,yum)
 
+cloudflared.1: cloudflared_man_template
+	cat cloudflared_man_template | sed -e 's/\$${VERSION}/$(VERSION)/; s/\$${DATE}/$(DATE)/' > cloudflared.1
+
+install: cloudflared cloudflared.1
+	mkdir -p $(DESTDIR)$(INSTALL_BINDIR) $(DESTDIR)$(INSTALL_MANDIR)
+	install -m755 cloudflared $(DESTDIR)$(INSTALL_BINDIR)/cloudflared
+	install -m644 cloudflared.1 $(DESTDIR)$(INSTALL_MANDIR)/cloudflared.1
+
 # When we build packages, the package name will be FIPS-aware.
 # But we keep the binary installed by it to be named "cloudflared" regardless.
 define build_package
 	mkdir -p $(PACKAGE_DIR)
 	cp cloudflared $(PACKAGE_DIR)/cloudflared
-	cat cloudflared_man_template | sed -e 's/\$${VERSION}/$(VERSION)/; s/\$${DATE}/$(DATE)/' > $(PACKAGE_DIR)/cloudflared.1
+	cp cloudflared.1 $(PACKAGE_DIR)/cloudflared.1
 	fakeroot fpm -C $(PACKAGE_DIR) -s dir -t $(1) \
 		--description 'Cloudflare Tunnel daemon' \
 		--vendor 'Cloudflare' \
@@ -154,19 +166,19 @@ define build_package
 		--url 'https://github.com/cloudflare/cloudflared' \
 		-m 'Cloudflare <support@cloudflare.com>' \
 		-a $(TARGET_ARCH) -v $(VERSION) -n $(DEB_PACKAGE_NAME) $(NIGHTLY_FLAGS) --after-install postinst.sh --after-remove postrm.sh \
-		cloudflared=$(INSTALL_BINDIR) cloudflared.1=$(MAN_DIR)
+		cloudflared=$(INSTALL_BINDIR) cloudflared.1=$(INSTALL_MANDIR)
 endef
 
 .PHONY: cloudflared-deb
-cloudflared-deb: cloudflared
+cloudflared-deb: cloudflared cloudflared.1
 	$(call build_package,deb)
 
 .PHONY: cloudflared-rpm
-cloudflared-rpm: cloudflared
+cloudflared-rpm: cloudflared cloudflared.1
 	$(call build_package,rpm)
 
 .PHONY: cloudflared-pkg
-cloudflared-pkg: cloudflared
+cloudflared-pkg: cloudflared cloudflared.1
 	$(call build_package,osxpkg)
 
 .PHONY: cloudflared-msi

cmd/cloudflared/updater/update.go

@@ -30,7 +30,8 @@ const (
 )
 
 var (
-	version string
+	version                string
+	BuiltForPackageManager = ""
 )
 
 // BinaryUpdated implements ExitCoder interface, the app will exit with status code 11
@@ -118,7 +119,11 @@ func Update(c *cli.Context) error {
 	log := logger.CreateLoggerFromContext(c, logger.EnableTerminalLog)
 
 	if wasInstalledFromPackageManager() {
-		log.Error().Msg("cloudflared was installed by a package manager. Please update using the same method.")
+		packageManagerName := "a package manager"
+		if BuiltForPackageManager != "" {
+			packageManagerName = BuiltForPackageManager
+		}
+		log.Error().Msg(fmt.Sprintf("cloudflared was installed by %s. Please update using the same method.", packageManagerName))
 		return nil
 	}
 
@@ -281,7 +286,7 @@ func supportAutoUpdate(log *zerolog.Logger) bool {
 
 func wasInstalledFromPackageManager() bool {
 	ok, _ := config.FileExists(filepath.Join(config.DefaultUnixConfigLocation, isManagedInstallFile))
-	return ok
+	return len(BuiltForPackageManager) != 0 || ok
 }
 
 func isRunningFromTerminal() bool {