Service environment (#23443)

* fix fileutils.TestFindFile on MacOS

* introduce model.ExternalServiceEnvironment

* pick license public key from external service env

* pick Stripe public key from external service env

* pick Rudder key from external service env

* configure Sentry DSN from external service env

* always log external_service_environment, Unsetenv

* clear faked BuildEnv, improve logging

* strip out unset GOTAGS

* fix Sentry tests

* simplify to just ServiceEnvironment

* relocate ServiceEnvironment in client config

* initialize CWS URLs based on service environment

* unset rudder key for boards dev

* harden service environment to avoid accidental production

* fix TestSentry again

* fix DEFAULT -> ENTERPRISE

* s/dev/test when naming playbooks rudder key

* simplify boards rudder key switch

* use uniform rudderKey variable names

* retain compatibility with existing pipeline

* reduce to just production/test

* unit test with valid test license

* simplify Playbooks telemetry initialization

* restore dev service environment

* emit ServiceEnvironment when running e2e tests

server/Makefile

@@ -41,9 +41,6 @@ ifeq ($(DIFF), 1)
     GIT_TREESTATE = dirty
 endif
 
-# Go tags
-GOTAGS ?= $(GOTAGS:)
-
 # Docker
 export COMPOSE_PROJECT_NAME=mattermost-server
 
@@ -55,7 +52,6 @@ endif
 
 ifeq ($(BUILD_NUMBER),dev)
 	export MM_FEATUREFLAGS_GRAPHQL = true
-	GOTAGS += "testlicensekey"
 endif
 
 # mmctl
@@ -577,7 +573,7 @@ run-server: setup-go-work prepackaged-binaries validate-go-version start-docker
 	@echo Running mattermost for development
 
 	mkdir -p $(BUILD_WEBAPP_DIR)/channels/dist/files
-	$(GO) run $(GOFLAGS) -tags $(GOTAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) $(RUN_IN_BACKGROUND)
+	$(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) $(RUN_IN_BACKGROUND)
 
 debug-server: start-docker ## Compile and start server using delve.
 	mkdir -p $(BUILD_WEBAPP_DIR)/channels/dist/files
@@ -601,7 +597,7 @@ run-cli: start-docker ## Runs CLI.
 	@echo Running mattermost for development
 	@echo Example should be like 'make ARGS="-version" run-cli'
 
-	$(GO) run $(GOFLAGS) -tags $(GOTAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) ${ARGS}
+	$(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) ${ARGS}
 
 run-client: client ## Runs the webapp.
 	@echo Running mattermost client for development
@@ -661,7 +657,7 @@ restart-client: | stop-client run-client ## Restarts the webapp.
 
 run-job-server: ## Runs the background job server.
 	@echo Running job server for development
-	$(GO) run $(GOFLAGS) -tags $(GOTAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) jobserver &
+	$(GO) run $(GOFLAGS) -ldflags '$(LDFLAGS)' $(PLATFORM_FILES) jobserver &
 
 config-ldap: ## Configures LDAP.
 	@echo Setting up configuration for local LDAP