Build binaries for Linux on IBM Z / s390x architecture (#1982)

* Add s390x Travis support

Signed-off-by: Prasanna Kelkar <Prasanna.Kelkar@ibm.com>

* Execute only unit tests on s390 architecture

Signed-off-by: Prasanna Kelkar <Prasanna.Kelkar@ibm.com>

* cross-compile and release s390x binaries

Signed-off-by: Prasanna Kelkar <Prasanna.Kelkar@ibm.com>

Author: prankkelkar

Makefile

@@ -21,8 +21,13 @@ ALL_SRC := $(shell find . -name '*.go' \
 
 # ALL_PKGS is used with 'go cover' and 'golint'
 ALL_PKGS := $(shell go list $(sort $(dir $(ALL_SRC))))
-
-RACE=-race
+UNAME := $(shell uname -m)
+#Race flag is not supported on s390x architecture
+ifeq ($(UNAME), s390x)
+	RACE=
+else
+	RACE=-race
+endif
 GOTEST=go test -v $(RACE)
 GOLINT=golint
 GOVET=go vet
@@ -187,7 +192,11 @@ elasticsearch-mappings:
 .PHONY: build-examples
 build-examples:
 	esc -pkg frontend -o examples/hotrod/services/frontend/gen_assets.go  -prefix examples/hotrod/services/frontend/web_assets examples/hotrod/services/frontend/web_assets
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -o ./examples/hotrod/hotrod-$(GOOS)-$(GOARCH) ./examples/hotrod/main.go
+else
 	CGO_ENABLED=0 installsuffix=cgo go build -o ./examples/hotrod/hotrod-$(GOOS) ./examples/hotrod/main.go
+endif
 
 .PHONE: docker-hotrod
 docker-hotrod:
@@ -206,23 +215,43 @@ build-all-in-one-linux: build-ui
 
 .PHONY: build-all-in-one
 build-all-in-one: elasticsearch-mappings
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -tags ui -o ./cmd/all-in-one/all-in-one-$(GOOS)-$(GOARCH) $(BUILD_INFO) ./cmd/all-in-one/main.go
+else	
 	CGO_ENABLED=0 installsuffix=cgo go build -tags ui -o ./cmd/all-in-one/all-in-one-$(GOOS) $(BUILD_INFO) ./cmd/all-in-one/main.go
+endif
 
 .PHONY: build-agent
 build-agent:
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/agent/agent-$(GOOS)-$(GOARCH) $(BUILD_INFO) ./cmd/agent/main.go
+else
 	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/agent/agent-$(GOOS) $(BUILD_INFO) ./cmd/agent/main.go
+endif
 
 .PHONY: build-query
 build-query:
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -tags ui -o ./cmd/query/query-$(GOOS)-$(GOARCH) $(BUILD_INFO) ./cmd/query/main.go
+else
 	CGO_ENABLED=0 installsuffix=cgo go build -tags ui -o ./cmd/query/query-$(GOOS) $(BUILD_INFO) ./cmd/query/main.go
+endif
 
 .PHONY: build-collector
 build-collector: elasticsearch-mappings
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/collector/collector-$(GOOS)-$(GOARCH) $(BUILD_INFO) ./cmd/collector/main.go
+else
 	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/collector/collector-$(GOOS) $(BUILD_INFO) ./cmd/collector/main.go
+endif
 
 .PHONY: build-ingester
 build-ingester:
+ifeq ($(GOARCH), s390x)
+	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/ingester/ingester-$(GOOS)-$(GOARCH) $(BUILD_INFO) ./cmd/ingester/main.go
+else
 	CGO_ENABLED=0 installsuffix=cgo go build -o ./cmd/ingester/ingester-$(GOOS) $(BUILD_INFO) ./cmd/ingester/main.go
+endif
 
 .PHONY: docker
 docker: build-ui build-binaries-linux docker-images-only
@@ -239,11 +268,15 @@ build-binaries-windows:
 build-binaries-darwin:
 	GOOS=darwin $(MAKE) build-platform-binaries
 
+.PHONY: build-binaries-s390x
+build-binaries-s390x:
+	GOOS=linux GOARCH=s390x $(MAKE) build-platform-binaries
+
 .PHONY: build-platform-binaries
 build-platform-binaries: build-agent build-collector build-query build-ingester build-all-in-one build-examples
 
 .PHONY: build-all-platforms
-build-all-platforms: build-binaries-linux build-binaries-windows build-binaries-darwin
+build-all-platforms: build-binaries-linux build-binaries-windows build-binaries-darwin build-binaries-s390x
 
 .PHONY: docker-images-cassandra
 docker-images-cassandra:

plugin/storage/badger/stats_linux.go

@@ -30,8 +30,8 @@ func (f *Factory) diskStatisticsUpdate() error {
 	_ = unix.Statfs(f.Options.GetPrimary().ValueDirectory, &valDirStatfs)
 
 	// Using Bavail instead of Bfree to get non-priviledged user space available
-	f.metrics.ValueLogSpaceAvailable.Update(int64(valDirStatfs.Bavail) * valDirStatfs.Bsize)
-	f.metrics.KeyLogSpaceAvailable.Update(int64(keyDirStatfs.Bavail) * keyDirStatfs.Bsize)
+	f.metrics.ValueLogSpaceAvailable.Update(int64(valDirStatfs.Bavail) * int64(valDirStatfs.Bsize))
+	f.metrics.KeyLogSpaceAvailable.Update(int64(keyDirStatfs.Bavail) * int64(keyDirStatfs.Bsize))
 
 	/*
 	 TODO If we wanted to clean up oldest data to free up diskspace, we need at a minimum an index to the StartTime

scripts/cover.sh

@@ -52,8 +52,13 @@ for pkg in "$@"; do
 		args="-coverprofile $COVER/cover.${i}.out" # -coverpkg $coverpkg
 	fi
 
-	echo go test $args -v -race "$pkg"
-	go test $args -v -race "$pkg"
+	if [[ $(uname -m) == 's390x' ]]; then
+		echo go test $args -v "$pkg"
+		go test $args -v "$pkg"
+	else
+		echo go test $args -v -race "$pkg"
+		go test $args -v -race "$pkg"
+	fi
 done
 
 gocovmerge "$COVER"/*.out > cover.out

scripts/travis/package-deploy.sh

@@ -33,8 +33,13 @@ function stage-platform-files {
 function package {
     local PLATFORM=$1
     local FILE_EXTENSION=$2
-
-    local PACKAGE_STAGING_DIR=jaeger-$VERSION-$PLATFORM-amd64
+    # script start
+    if [ "$PLATFORM" == "linux-s390x" ]; then
+        local PACKAGE_STAGING_DIR=jaeger-$VERSION-$PLATFORM
+    else
+        local PACKAGE_STAGING_DIR=jaeger-$VERSION-$PLATFORM-amd64
+    fi
+    
     mkdir $PACKAGE_STAGING_DIR
 
     stage-platform-files $PLATFORM $PACKAGE_STAGING_DIR $FILE_EXTENSION
@@ -64,3 +69,4 @@ mkdir $DEPLOY_STAGING_DIR
 package linux
 package darwin
 package windows .exe
+package linux-s390x