import files

docker/consul/Dockerfile

@@ -0,0 +1,33 @@
+FROM consul:1.6.1 as dist
+ARG DOCKER_BUILD_DIR
+
+LABEL maintainer 1001Pharmacies <technique+docker@1001pharmacies.com>
+
+# install docker
+RUN apk add --no-cache bash docker gawk sudo \
+ && echo "consul ALL=(root) NOPASSWD: /usr/local/bin/container-list-status" >> /etc/sudoers
+
+# install goss
+ADD https://github.com/aelsabbahy/goss/releases/latest/download/goss-linux-amd64 /usr/bin/goss
+RUN chmod +rx /usr/bin/goss
+COPY ${DOCKER_BUILD_DIR}/goss.yml /tests/goss.yml
+
+COPY ${DOCKER_BUILD_DIR}/container-check-status ${DOCKER_BUILD_DIR}/container-list-status /usr/local/bin/
+RUN chmod +rx /usr/local/bin/container-check-status /usr/local/bin/container-list-status
+
+HEALTHCHECK CMD goss -g /tests/goss.yml validate --format tap
+
+FROM dist as local
+ARG DOCKER_BUILD_DIR
+
+FROM local as debug
+ARG DOCKER_BUILD_DIR
+
+FROM local as tests
+ARG DOCKER_BUILD_DIR
+
+FROM tests as preprod
+ARG DOCKER_BUILD_DIR
+
+FROM preprod as prod
+ARG DOCKER_BUILD_DIR

docker/consul/container-check-status

@@ -0,0 +1,24 @@
+#!/bin/bash
+# https://github.com/hashicorp/consul/issues/3182
+
+if [ $# -ne 1 ]; then
+    >&2 echo "Invalid parameters: '$@'"
+    echo "USAGE: $0 <container-id|container-name|container-hostname|container-ip>"
+    exit 2
+fi
+
+CONTAINER_ID="$1"
+# CONTAINER_STATUS=$(sudo container-list-status |awk '/\<'${CONTAINER_ID}'\>/ {print $NF}')
+read -d "\n" CONTAINER_STATUS CONTAINER_OUTPUT <<< $(sudo container-list-status |awk 'BEGIN {FS="\t"; RS="\0"} /\<'${CONTAINER_ID}'\>/ {print $1,$NF}')
+
+echo ${CONTAINER_STATUS:-undefined}: "${CONTAINER_OUTPUT}"
+case "${CONTAINER_STATUS}" in
+  healthy)
+    exit 0
+    ;;
+  starting)
+    exit 1
+    ;;
+esac
+
+exit 2

docker/consul/container-list-status

@@ -0,0 +1,5 @@
+#!/bin/sh
+# https://github.com/hashicorp/consul/issues/3182
+
+# docker inspect -f '{{.Id}} {{.Config.Hostname}} {{.Name}} {{range .NetworkSettings.Networks}}{{.IPAddress}} {{end}} {{.State.Health.Status}}' $(docker ps -q) 2>/dev/null
+docker container inspect --format '{{.State.Health.Status}}{{printf "\t"}}{{.Id}}{{printf "\t"}}{{.Name}}{{printf "\t"}}{{.Config.Hostname}}{{printf "\t"}}{{range .NetworkSettings.Networks}}{{.IPAddress}}{{printf "\t"}}{{end}}{{printf "\t"}}{{$output := ""}}{{range .State.Health.Log}}{{$output = .Output}}{{end}}{{$output}}{{printf "%c" 0}}' $(docker ps -q) 2>/dev/null

docker/consul/goss.yml

@@ -0,0 +1,18 @@
+file:
+  /bin/consul:
+    exists: true
+    filetype: file
+    mode: "0755"
+    owner: root
+    sha256: 99bacb9dc1c6b7eaff75326e4ae0396ac2f29eb8ab95bc2124c718d926c3aef4
+port:
+  tcp6:8500:
+    listening: true
+    ip:
+process:
+  consul:
+    running: true
+user:
+  consul:
+    exists: true
+    uid: 100