[NEW] Config hooks for snap

.snapcraft/resources/Caddyfile

@@ -1,5 +1,5 @@
-http://:8080
-proxy / localhost:3000 {
+_protocol_://_siteurl_
+proxy / localhost:_port_ {
   websocket
   transparent
 }

.snapcraft/resources/initcaddy

@@ -1,3 +1,40 @@
-#!/bin/sh
-cp $SNAP/bin/Caddyfile  $SNAP_DATA/Caddyfile
-echo "Replace $SNAP_DATA/Caddyfile with your own to customize reverse proxy" 
+#!/bin/bash
+
+# Config options for Caddyfile
+options="protocol siteurl port"
+
+create_caddyfile(){
+# Copy template to config Caddyfile
+cp $SNAP/bin/Caddyfile $SNAP_DATA/Caddyfile
+
+}
+
+update_caddyfile(){
+
+# Config file path for Caddyfile
+Caddyfile=$SNAP_DATA/Caddyfile
+
+# replace an option inside the config file. 
+refresh_opt_in_config() {
+    opt=$1
+    value="$2"
+    if $(grep -q "_${opt}_" $Caddyfile); then
+        sed "s/_${opt}_/$value/" $Caddyfile 2>/dev/null > ${Caddyfile}.new
+        mv -f ${Caddyfile}.new $Caddyfile 2>/dev/null
+    else
+        echo "Fail to update $opt in Caddyfile" 
+    fi
+}
+
+# Iterate through the config options array
+for opt in $options
+    do
+    # Use snapctl to get the value registered by the snap set command
+    refresh_opt_in_config $opt $(snapctl get $opt)
+done
+
+}
+
+create_caddy
+update_caddyfile
+

.snapcraft/resources/startRocketChat

@@ -15,10 +15,10 @@ function start_rocketchat {
 	export DEPLOY_METHOD=snap
 	export NODE_ENV=production
 	export BABEL_CACHE_DIR=/tmp
-	export ROOT_URL=http://localhost
-	export PORT=3000
-	export MONGO_URL=mongodb://localhost:27017/parties
-	export MONGO_OPLOG_URL=mongodb://localhost:27017/local
+	export ROOT_URL=http://"$(snapctl get siteurl)"
+        export PORT="$(snapctl get port)"
+        export MONGO_URL="$(snapctl get mongourl)"
+        export MONGO_OPLOG_URL="$(snapctl get mongooplogurl)"
 	export Accounts_AvatarStorePath=$SNAP_COMMON/uploads
 
 	node $SNAP/main.js

.snapcraft/snap/hooks/configure

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# Obtain siteurl value
+siteurl="$(snapctl get siteurl)"
+# Validate it
+#siteurl_regex='^https?:\/\/([\da-z\.-]+)?(\.[a-z\.]{2,6})?([\/\w \.-]*)*\/?$'
+siteurl_regex='([\da-z\.-]+)?(\.[a-z\.]{2,6})?([\/\w \.-]*)*\/?$'
+if ! [[ $siteurl =~ $siteurl_regex ]] ; then
+    echo "\"$siteurl\" is not a valid url" >&2
+    exit 1
+fi
+
+# Obtain port value
+port="$(snapctl get port)"
+# Validate it
+port_regex='^([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$'
+if ! [[ $port =~ $port_regex ]]; then
+    echo "\"$port\" is not a valid port" >&2
+    exit 1
+fi
+
+# Obtain mongourl value
+mongourl="$(snapctl get mongourl)"
+# Validate it
+mongourl_regex='^mongodb:\/\/([\da-z\.-]+)?(\.[a-z\.]{2,6})?:(\d{2,5})?\/parties$'
+mongourl_regex='mongodb://localhost:27017/parties'
+if ! [[ $mongourl =~ $mongourl_regex ]] ; then
+    echo "\"$mongourl\" is not a valid url" >&2
+    exit 1
+fi
+
+
+# Obtain mongooplogurl value
+mongooplogurl="$(snapctl get mongooplogurl)"
+# Validate it
+mongooplogurl_regex='^mongodb:\/\/([\da-z\.-]+)?(\.[a-z\.]{2,6})?:(\d{2,5})?\/local$'
+mongooplogurl_regex='mongodb://localhost:27017/local'
+
+if ! [[ $mongooplogurl =~ $mongooplogurl_regex ]] ; then
+    echo "\"$mongooplogurl\" is not a valid url" >&2
+    exit 1
+fi
+
+# Obtain site protocol
+https="$(snapctl get https)"
+# Validate it
+https_regex='((enable)|(disable))'
+if ! [[ $https =~ $https_regex ]]; then
+    echo "\"$https\" should be enable or disable" >&2
+    exit 1
+else
+  if [[ $https == enable ]] ; then
+    snapctl set protocol=https
+  else snapctl set protocol=http
+  fi
+fi
+

.snapcraft/snap/hooks/install

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Initialize the SITE_URL (ROOT_URL) to a default
+snapctl set siteurl=localhost
+
+# Initialize the PORT to a default
+snapctl set port=3000
+
+# Initialize the MONGO_URL to a default
+snapctl set mongourl=mongodb://localhost:27017/parties
+
+# Initialize the MONGO_OPLOG_URL to a default
+snapctl set mongooplogurl=mongodb://localhost:27017/local
+
+# Initialize the protocol to a default
+snapctl set https=disable
+

.snapcraft/snap/snapcraft.yaml

@@ -0,0 +1,97 @@
+#
+# Easiest way to work with this file, from an updated Ubuntu 16.04 LTS image
+# 1.   create a non-root user with sudo priv and perform following steps as non-root
+# 2.  `sudo apt-get update`
+# 3.  `sudo apt-get install snapcraft python build-essential`
+# 4.  `snapcraft stage`
+# 5.  `snapcraft snap`
+
+name: rocketchat-server
+version: #{RC_VERSION}
+summary: Rocket.Chat server
+description: Have your own Slack like online chat, built with Meteor. https://rocket.chat/
+confinement: strict
+assumes: [snapd2.21]
+apps:
+    rocketchat-server:
+        command: startRocketChat
+        daemon: simple
+        plugs: [network, network-bind]
+    rocketchat-mongo:
+        command: startmongo
+        daemon: simple
+        plugs: [network, network-bind]
+    rocketchat-caddy:
+        command: env LC_ALL=C caddy -conf=$SNAP_DATA/Caddyfile
+        daemon: simple
+        plugs: [network, network-bind]
+    mongo:
+        command: env LC_ALL=C mongo
+        plugs: [network]
+    restoredb:
+        command: env LC_ALL=C restoredb
+        plugs: [network]
+    backupdb:
+        command: env LC_ALL=C backupdb
+        plugs: [network]
+    initcaddy:
+        command: env LC_ALL=C initcaddy
+parts:
+    node:
+        plugin: dump 
+        prepare: ./resources/preparenode  
+        build-packages:
+            # For fibers
+            - python
+            - build-essential
+            - nodejs
+    rocketchat-server:
+        build-packages:
+            - curl
+        plugin: dump
+        prepare: ./resources/prepareRocketChat
+        after: [node]
+        source: .
+        stage-packages:
+            - execstack
+            - fontconfig-config
+        stage:
+            - programs
+            - main.js
+            - .node_version.txt
+            - etc
+            - usr
+    mongodb:
+        build-packages:
+            - wget
+        source: ./
+        prepare: ./resources/preparemongo
+        plugin: dump
+        stage-packages:
+            - libssl1.0.0
+        prime:
+            - usr
+            - bin
+            - lib
+    scripts:
+        plugin: dump
+        source: resources/
+        organize:
+            backupdb: bin/backupdb
+            restoredb: bin/restoredb
+            startmongo: bin/startmongo
+            startRocketChat: bin/startRocketChat
+            initreplset.js: bin/initreplset.js
+            Caddyfile: bin/Caddyfile
+            initcaddy: bin/initcaddy
+        prime:
+            - bin
+    caddy:
+        prepare: ./resources/preparecaddy
+        plugin: dump
+        source: ./
+        prime:
+            - bin
+        organize:
+            caddy: bin/caddy
+        after: [mongodb]