From 86a5cee5443e692cac084a531d6a0fa960b9f687 Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonygarnockjones@gmail.com>
Date: Wed, 12 Dec 2018 17:15:25 +0000
Subject: [PATCH] Very crude dockerization experiment

---
 docker/Dockerfile                   | 19 +++++++++++++++++++
 docker/build-docker.sh              |  2 ++
 docker/cleanup                      |  6 ++++++
 docker/docker-broker.sh             | 17 +++++++++++++++++
 docker/service/.s6-svscan/finish    | 13 +++++++++++++
 docker/service/avahi-daemon/run     |  3 +++
 docker/service/dbus-daemon/run      |  2 ++
 docker/service/syndicate-broker/run |  4 ++++
 8 files changed, 66 insertions(+)
 create mode 100644 docker/Dockerfile
 create mode 100755 docker/build-docker.sh
 create mode 100755 docker/cleanup
 create mode 100755 docker/docker-broker.sh
 create mode 100755 docker/service/.s6-svscan/finish
 create mode 100755 docker/service/avahi-daemon/run
 create mode 100755 docker/service/dbus-daemon/run
 create mode 100755 docker/service/syndicate-broker/run

diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..60701eb
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,19 @@
+FROM alpine:3.8
+
+RUN apk update && apk upgrade
+RUN apk add s6
+
+RUN apk add --no-cache nodejs npm --repository http://dl-cdn.alpinelinux.org/alpine/edge/main
+RUN npm i -g preserves
+ENV NODE_PATH=/usr/lib/node_modules
+
+# RUN apk add --no-cache daemontools --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing
+
+RUN apk add dbus avahi avahi-tools
+RUN rm -f /etc/avahi/services/*
+
+RUN mkdir -p /run/service
+ADD service /run/service
+
+WORKDIR /run/service
+CMD ["s6-svscan", "-St1000", "/run/service"]
diff --git a/docker/build-docker.sh b/docker/build-docker.sh
new file mode 100755
index 0000000..b91b1fa
--- /dev/null
+++ b/docker/build-docker.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+docker build -t syndicate-js "$(dirname "$0")"
diff --git a/docker/cleanup b/docker/cleanup
new file mode 100755
index 0000000..6c0552e
--- /dev/null
+++ b/docker/cleanup
@@ -0,0 +1,6 @@
+#!/bin/sh
+cd "$(dirname "$0")"
+sudo rm -rf service/.s6-svscan/control
+sudo rm -rf service/.s6-svscan/lock
+sudo rm -rf service/*/event/
+sudo rm -rf service/*/supervise/
diff --git a/docker/docker-broker.sh b/docker/docker-broker.sh
new file mode 100755
index 0000000..362f35c
--- /dev/null
+++ b/docker/docker-broker.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+dir="$(dirname "$0")/.."
+case "$dir" in
+    /*) ;;
+    *) dir="$(pwd)/${dir}" ;;
+esac
+
+networkname=dockerint
+if [ -z "$(docker network ls -qf name=${networkname})" ]
+then
+    docker network create --internal ${networkname}
+fi
+
+exec docker run -it --rm \
+     --network ${networkname} \
+     -v "${dir}":/data \
+     syndicate-js
diff --git a/docker/service/.s6-svscan/finish b/docker/service/.s6-svscan/finish
new file mode 100755
index 0000000..acab531
--- /dev/null
+++ b/docker/service/.s6-svscan/finish
@@ -0,0 +1,13 @@
+#!/bin/sh
+kill -TERM -1
+while true
+do
+    running="$(ps a)"
+    if [ "$(echo "${running}" | wc -l)" = "3" ]
+    then
+        break
+    else
+        echo Waiting for services to shut down...
+        sleep 1
+    fi
+done
diff --git a/docker/service/avahi-daemon/run b/docker/service/avahi-daemon/run
new file mode 100755
index 0000000..c6e6c1d
--- /dev/null
+++ b/docker/service/avahi-daemon/run
@@ -0,0 +1,3 @@
+#!/bin/sh
+s6-svwait ../dbus-daemon
+exec avahi-daemon
diff --git a/docker/service/dbus-daemon/run b/docker/service/dbus-daemon/run
new file mode 100755
index 0000000..047803d
--- /dev/null
+++ b/docker/service/dbus-daemon/run
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec dbus-daemon --system --nofork
diff --git a/docker/service/syndicate-broker/run b/docker/service/syndicate-broker/run
new file mode 100755
index 0000000..21becb8
--- /dev/null
+++ b/docker/service/syndicate-broker/run
@@ -0,0 +1,4 @@
+#!/bin/sh
+s6-svwait ../avahi-daemon
+cd /data/packages/broker
+exec node lib/index.js