Go 1.7.4 and Prometheus/Alertmanager for armv6

images/armhf/alertmanager/Dockerfile

@@ -1,7 +1,7 @@
-FROM armhf/alpine:latest
+FROM armhf/alpine:3.5
 workdir /root
 RUN apk add --update libarchive-tools
-ADD https://github.com/prometheus/alertmanager/releases/download/v0.5.1/alertmanager-0.5.1.linux-armv7.tar.gz /root/
+ADD https://github.com/prometheus/alertmanager/releases/download/v0.5.1/alertmanager-0.5.1.linux-armv6.tar.gz /root/
 RUN bsdtar -xvf *.tar.gz -C ./ --strip-components=1
 RUN mkdir /etc/alertmanager
 

images/armhf/go-1.7.4/17847.patch

@@ -0,0 +1,33 @@
+diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
+index 14f4fa9..bf2de57 100644
+--- a/src/cmd/link/internal/ld/lib.go
++++ b/src/cmd/link/internal/ld/lib.go
+@@ -1251,6 +1251,28 @@ func hostlink() {
+ 		}
+ 	}
+
++	// When building a program with the default -buildmode=exe the
++	// gc compiler generates code requires DT_TEXTREL in a
++	// position independent executable (PIE). On systems where the
++	// toolchain creates PIEs by default, and where DT_TEXTREL
++	// does not work, the resulting programs will not run. See
++	// issue #17847. To avoid this problem pass -no-pie to the
++	// toolchain if it is supported.
++	if Buildmode == BuildmodeExe {
++		src := filepath.Join(tmpdir, "trivial.c")
++		if err := ioutil.WriteFile(src, []byte{}, 0666); err != nil {
++			Ctxt.Diag("WriteFile trivial.c failed: %v", err)
++		}
++		cmd := exec.Command(argv[0], "-c", "-no-pie", "trivial.c")
++		cmd.Dir = tmpdir
++		cmd.Env = append([]string{"LC_ALL=C"}, os.Environ()...)
++		out, err := cmd.CombinedOutput()
++		supported := err == nil && !bytes.Contains(out, []byte("unrecognized"))
++		if supported {
++			argv = append(argv, "-no-pie")
++		}
++	}
++
+ 	for _, p := range strings.Fields(extldflags) {
+ 		argv = append(argv, p)
+

images/armhf/go-1.7.4/Dockerfile

@@ -0,0 +1,41 @@
+FROM armhf/alpine:latest
+
+RUN apk add --no-cache ca-certificates git
+
+ENV GOLANG_VERSION 1.7.4
+ENV GOLANG_SRC_URL https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz
+ENV GOLANG_SRC_SHA256 4c189111e9ba651a2bb3ee868aa881fab36b2f2da3409e80885ca758a6b614cc
+
+# https://golang.org/issue/14851
+COPY no-pic.patch /
+# https://golang.org/issue/17847
+COPY 17847.patch /
+
+RUN set -ex \
+	&& apk add --no-cache --virtual .build-deps \
+		bash \
+		gcc \
+		musl-dev \
+		openssl \
+		go \
+	\
+	&& export GOROOT_BOOTSTRAP="$(go env GOROOT)" \
+	\
+	&& wget -q "$GOLANG_SRC_URL" -O golang.tar.gz \
+	&& echo "$GOLANG_SRC_SHA256  golang.tar.gz" | sha256sum -c - \
+	&& tar -C /usr/local -xzf golang.tar.gz \
+	&& rm golang.tar.gz \
+	&& cd /usr/local/go/src \
+	&& patch -p2 -i /no-pic.patch \
+	&& patch -p2 -i /17847.patch \
+	&& ./make.bash \
+	\
+	&& rm -rf /*.patch \
+	&& apk del .build-deps
+
+ENV GOPATH /go
+ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
+
+RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"
+WORKDIR $GOPATH
+

images/armhf/go-1.7.4/no-pic.patch

@@ -0,0 +1,16 @@
+diff --git a/src/cmd/link/internal/ld/lib.go b/src/cmd/link/internal/ld/lib.go
+index 14f4fa9..5599307 100644
+--- a/src/cmd/link/internal/ld/lib.go
++++ b/src/cmd/link/internal/ld/lib.go
+@@ -1272,6 +1272,11 @@ func hostlink() {
+ 		argv = append(argv, peimporteddlls()...)
+ 	}
+
++	// The Go linker does not currently support building PIE
++	// executables when using the external linker. See:
++	// https://github.com/golang/go/issues/6940
++	argv = append(argv, "-fno-PIC")
++
+ 	if Debug['v'] != 0 {
+ 		fmt.Fprintf(Bso, "host link:")
+ 		for _, v := range argv {

images/armhf/prometheus/Dockerfile

@@ -1,8 +1,10 @@
-FROM armhf/alpine:latest
+FROM armhf/alpine:3.5
+
 workdir /root
 RUN apk add --update libarchive-tools
-ADD https://github.com/prometheus/prometheus/releases/download/v1.4.1/prometheus-1.4.1.linux-armv7.tar.gz /root/
-RUN bsdtar -xvf prometheus-1.4.1.linux-armv7.tar.gz -C ./ --strip-components=1
+
+ADD https://github.com/prometheus/prometheus/releases/download/v1.5.2/prometheus-1.5.2.linux-armv6.tar.gz /root/
+RUN bsdtar -xvf prometheus-*.tar.gz -C ./ --strip-components=1
 
 RUN mkdir -p /usr/share/prometheus
 RUN mkdir -p /etc/prometheus