Add armhf support

build.armhf.sh

+#!/bin/bash
+
+(cd gateway && ./armhf.build.sh)
+(cd watchdog && ./armhf.build.sh)

deploy_stack.sh

 #!/bin/sh
 
 echo "Deploying stack"
-docker stack deploy func --compose-file docker-compose.yml 
+docker stack deploy func --compose-file docker-compose.yml
+

deploy_stack_arm.sh

+#!/bin/sh
+
+echo "Deploying stack"
+docker stack deploy func --compose-file docker-compose.armhf.yml

docker-compose.armhf.yml

+version: "3"
+services:
+
+# Core API services are pinned, HA is provided for functions.
+    gateway:
+        volumes:
+            - "/var/run/docker.sock:/var/run/docker.sock"
+        ports:
+            - 8080:8080
+        image: alexellis2/faas-gateway:latest-armhf
+        networks:
+            - functions
+        deploy:
+            placement:
+                constraints: [node.role == manager]
+
+    prometheus:
+        image: alexellis2/prometheus-armhf:latest
+        volumes:
+            - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
+            - ./prometheus/alert.rules:/etc/prometheus/alert.rules
+
+        command: "-config.file=/etc/prometheus/prometheus.yml -storage.local.path=/prometheus -storage.local.memory-chunks=10000 --alertmanager.url=http://alertmanager:9093"
+        ports:
+            - 9090:9090
+        depends_on:
+            - gateway
+            - alertmanager
+        environment:
+            no_proxy:   "gateway"
+        networks:
+            - functions
+        deploy:
+            placement:
+                constraints: [node.role == manager]
+
+
+    alertmanager:
+        image: alexellis2/alertmanager-armhf
+        environment:
+            no_proxy:   "gateway"
+        volumes:
+            - ./prometheus/alertmanager.yml:/alertmanager.yml
+        command:
+            - '-config.file=/alertmanager.yml'
+        networks:
+            - functions
+        ports:
+            - 9093:9093
+        deploy:
+            placement:
+                constraints: [node.role == manager]
+
+# Sample functions go here.
+    wordcount:
+        image: alexellis2/faas-alpinefunction:latest-armhf
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            fprocess:   "wc"
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
+
+
+
+    echoit:
+        image: alexellis2/faas-alpinefunction:latest-armhf
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            fprocess:   "cat"
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
+
+    nodeinfo:
+        image: alexellis2/faas-nodeinfo:latest-armhf
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
+
+    hubstats:
+        image: alexellis2/faas-hubstats:latest-armhf
+        depends_on:
+            - gateway
+        networks:
+            - functions
+        environment:
+            no_proxy:   "gateway"
+            https_proxy: $https_proxy
+
+networks:
+    functions:
+        driver: overlay
+        # Docker does not support this option yet - maybe create outside of the stack and reference as "external"?
+        #attachable: true

gateway/Dockerfile.build.armhf

@@ -6,11 +6,15 @@ RUN go get -d github.com/docker/docker/api/types \
    && go get -d github.com/docker/docker/client \
    && go get github.com/gorilla/mux \
    && go get github.com/prometheus/client_golang/prometheus
+RUN go get -d github.com/Sirupsen/logrus
 
 WORKDIR /go/src/github.com/alexellis/faas/gateway
 
-COPY metrics metrics
-COPY server.go .
+COPY metrics	metrics
+COPY requests	requests
+COPY tests	tests
+COPY handlers	handlers
+
+COPY server.go	.
 
-RUN find /go/src/github.com/alexellis/faas/gateway/
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .

sample-functions/AlpineFunction/Dockerfile.armhf

+FROM armhf/alpine:latest
+
+COPY fwatchdog /usr/bin
+RUN chmod +x /usr/bin/fwatchdog
+
+# Populate example here
+# ENV fprocess="wc -l"
+CMD ["fwatchdog"]

sample-functions/AlpineFunction/build.armhf.sh

+#!/bin/bash
+
+docker build -f Dockerfile.armhf -t alexellis2/faas-alpinefunction:latest-armhf .

sample-functions/DockerHubStats/Dockerfile.armhf

+FROM alexellis2/go-armhf:1.7.4
+
+MAINTAINER alexellis2@gmail.com
+ENTRYPOINT []
+
+RUN apk --no-cache add make
+WORKDIR /go/src/github.com/alexellis/faas/sample-functions/DockerHubStats
+COPY . /go/src/github.com/alexellis/faas/sample-functions/DockerHubStats
+
+RUN make
+
+COPY ./fwatchdog /usr/bin
+RUN chmod +x /usr/bin/fwatchdog
+
+ENV fprocess "/go/bin/DockerHubStats"
+
+CMD [ "/usr/bin/fwatchdog"]

sample-functions/DockerHubStats/build.armhf.sh

+#!/bin/bash
+
+docker build -t alexellis2/faas-hubstats:latest-armhf .

sample-functions/NodeInfo/Dockerfile.armhf

+FROM armhf/alpine:latest
+RUN apk --update add nodejs
+
+COPY fwatchdog /usr/bin
+
+RUN chmod +x /usr/bin/fwatchdog
+
+COPY package.json .
+COPY main.js .
+RUN npm i
+ENV fprocess="node main.js"
+CMD ["fwatchdog"]

sample-functions/NodeInfo/build.armhf.sh

+#!/bin/bash
+
+docker build -f Dockerfile.armhf -t alexellis2/faas-nodeinfo:latest-armhf .

watchdog/Dockerfile.armhf

 FROM alexellis2/go-armhf:1.7.4
-
 RUN mkdir -p /go/src/app
-COPY main.go /go/src/app
+WORKDIR /go/src/app
+COPY main.go        .
+COPY readconfig.go  .
+COPY config_test.go .
+
 WORKDIR /go/src/app
 RUN go get -d -v
+
+RUN go test
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .