persist env variables on startup. conform to /bin/sh

Dockerfile

@@ -27,6 +27,7 @@ ADD transmission/periodicUpdates.sh /etc/transmission-daemon/periodicUpdates.sh
 ADD transmission/start.sh /etc/transmission-daemon/start.sh
 ADD transmission/runUpdates.sh /etc/transmission-daemon/startPortUpdates.sh
 ADD transmission/down.sh /etc/transmission-daemon/stop.sh
+ADD transmission/environment-variables.tmpl /etc/transmission-daemon/environment-variables.tmpl
 ADD start.sh /etc/openvpn/start.sh
 
 ENV PIA_USERNAME=**None** \
@@ -38,6 +39,7 @@ ENV PIA_USERNAME=**None** \
     "TRANSMISSION_ALT_SPEED_TIME_ENABLED=false" \
     "TRANSMISSION_ALT_SPEED_TIME_END=1020" \
     "TRANSMISSION_ALT_SPEED_UP=50" \
+    "TRANSMISSION_BIND_ADDRESS_IPV4=0.0.0.0" \
     "TRANSMISSION_BIND_ADDRESS_IPV6=::" \
     "TRANSMISSION_BLOCKLIST_ENABLED=false" \
     "TRANSMISSION_BLOCKLIST_URL=http://www.example.com/blocklist" \

start.sh

@@ -38,4 +38,7 @@ fi
 echo $TRANSMISSION_RPC_USERNAME > /config/transmission-credentials.txt
 echo $TRANSMISSION_RPC_PASSWORD >> /config/transmission-credentials.txt
 
+# Persist transmission settings for use by transmission-daemon
+dockerize -template /etc/transmission-daemon/environment-variables.tmpl:/etc/transmission-daemon/environment-variables.sh /bin/true
+
 exec openvpn --config "$OPEN_VPN_CONFIG"

transmission/defaultSettings.tmpl

@@ -6,7 +6,7 @@
     "alt-speed-time-enabled": {{ .Env.TRANSMISSION_ALT_SPEED_TIME_ENABLED }},
     "alt-speed-time-end": {{ .Env.TRANSMISSION_ALT_SPEED_TIME_END }},
     "alt-speed-up": {{ .Env.TRANSMISSION_ALT_SPEED_UP }},
-    "bind-address-ipv4": "!!BINDIPV4!!",
+    "bind-address-ipv4": "{{ .Env.TRANSMISSION_BIND_ADDRESS_IPV4 }}",
     "bind-address-ipv6": "{{ .Env.TRANSMISSION_BIND_ADDRESS_IPV6 }}",
     "blocklist-enabled": {{ .Env.TRANSMISSION_BLOCKLIST_ENABLED }},
     "blocklist-url": "{{ .Env.TRANSMISSION_BLOCKLIST_URL }}",

transmission/environment-variables.tmpl

@@ -0,0 +1,74 @@
+#! /bin/sh
+
+export TRANSMISSION_ALT_SPEED_DOWN={{ .Env.TRANSMISSION_ALT_SPEED_DOWN }}
+export TRANSMISSION_ALT_SPEED_ENABLED={{ .Env.TRANSMISSION_ALT_SPEED_ENABLED }}
+export TRANSMISSION_ALT_SPEED_TIME_BEGIN={{ .Env.TRANSMISSION_ALT_SPEED_TIME_BEGIN }}
+export TRANSMISSION_ALT_SPEED_TIME_DAY={{ .Env.TRANSMISSION_ALT_SPEED_TIME_DAY }}
+export TRANSMISSION_ALT_SPEED_TIME_ENABLED={{ .Env.TRANSMISSION_ALT_SPEED_TIME_ENABLED }}
+export TRANSMISSION_ALT_SPEED_TIME_END={{ .Env.TRANSMISSION_ALT_SPEED_TIME_END }}
+export TRANSMISSION_ALT_SPEED_UP={{ .Env.TRANSMISSION_ALT_SPEED_UP }}
+export TRANSMISSION_BIND_ADDRESS_IPV4={{ .Env.TRANSMISSION_BIND_ADDRESS_IPV4 }}
+export TRANSMISSION_BIND_ADDRESS_IPV6={{ .Env.TRANSMISSION_BIND_ADDRESS_IPV6 }}
+export TRANSMISSION_BLOCKLIST_ENABLED={{ .Env.TRANSMISSION_BLOCKLIST_ENABLED }}
+export TRANSMISSION_BLOCKLIST_URL={{ .Env.TRANSMISSION_BLOCKLIST_URL }}
+export TRANSMISSION_CACHE_SIZE_MB={{ .Env.TRANSMISSION_CACHE_SIZE_MB }}
+export TRANSMISSION_DHT_ENABLED={{ .Env.TRANSMISSION_DHT_ENABLED }}
+export TRANSMISSION_DOWNLOAD_DIR={{ .Env.TRANSMISSION_DOWNLOAD_DIR }}
+export TRANSMISSION_DOWNLOAD_LIMIT={{ .Env.TRANSMISSION_DOWNLOAD_LIMIT }}
+export TRANSMISSION_DOWNLOAD_LIMIT_ENABLED={{ .Env.TRANSMISSION_DOWNLOAD_LIMIT_ENABLED }}
+export TRANSMISSION_DOWNLOAD_QUEUE_ENABLED={{ .Env.TRANSMISSION_DOWNLOAD_QUEUE_ENABLED }}
+export TRANSMISSION_DOWNLOAD_QUEUE_SIZE={{ .Env.TRANSMISSION_DOWNLOAD_QUEUE_SIZE }}
+export TRANSMISSION_ENCRYPTION={{ .Env.TRANSMISSION_ENCRYPTION }}
+export TRANSMISSION_IDLE_SEEDING_LIMIT={{ .Env.TRANSMISSION_IDLE_SEEDING_LIMIT }}
+export TRANSMISSION_IDLE_SEEDING_LIMIT_ENABLED={{ .Env.TRANSMISSION_IDLE_SEEDING_LIMIT_ENABLED }}
+export TRANSMISSION_INCOMPLETE_DIR={{ .Env.TRANSMISSION_INCOMPLETE_DIR }}
+export TRANSMISSION_INCOMPLETE_DIR_ENABLED={{ .Env.TRANSMISSION_INCOMPLETE_DIR_ENABLED }}
+export TRANSMISSION_LPD_ENABLED={{ .Env.TRANSMISSION_LPD_ENABLED }}
+export TRANSMISSION_MAX_PEERS_GLOBAL={{ .Env.TRANSMISSION_MAX_PEERS_GLOBAL }}
+export TRANSMISSION_MESSAGE_LEVEL={{ .Env.TRANSMISSION_MESSAGE_LEVEL }}
+export TRANSMISSION_PEER_CONGESTION_ALGORITHM={{ .Env.TRANSMISSION_PEER_CONGESTION_ALGORITHM }}
+export TRANSMISSION_PEER_ID_TTL_HOURS={{ .Env.TRANSMISSION_PEER_ID_TTL_HOURS }}
+export TRANSMISSION_PEER_LIMIT_GLOBAL={{ .Env.TRANSMISSION_PEER_LIMIT_GLOBAL }}
+export TRANSMISSION_PEER_LIMIT_PER_TORRENT={{ .Env.TRANSMISSION_PEER_LIMIT_PER_TORRENT }}
+export TRANSMISSION_PEER_PORT={{ .Env.TRANSMISSION_PEER_PORT }}
+export TRANSMISSION_PEER_PORT_RANDOM_HIGH={{ .Env.TRANSMISSION_PEER_PORT_RANDOM_HIGH }}
+export TRANSMISSION_PEER_PORT_RANDOM_LOW={{ .Env.TRANSMISSION_PEER_PORT_RANDOM_LOW }}
+export TRANSMISSION_PEER_PORT_RANDOM_ON_START={{ .Env.TRANSMISSION_PEER_PORT_RANDOM_ON_START }}
+export TRANSMISSION_PEER_SOCKET_TOS={{ .Env.TRANSMISSION_PEER_SOCKET_TOS }}
+export TRANSMISSION_PEX_ENABLED={{ .Env.TRANSMISSION_PEX_ENABLED }}
+export TRANSMISSION_PORT_FORWARDING_ENABLED={{ .Env.TRANSMISSION_PORT_FORWARDING_ENABLED }}
+export TRANSMISSION_PREALLOCATION={{ .Env.TRANSMISSION_PREALLOCATION }}
+export TRANSMISSION_PREFETCH_ENABLED={{ .Env.TRANSMISSION_PREFETCH_ENABLED }}
+export TRANSMISSION_QUEUE_STALLED_ENABLED={{ .Env.TRANSMISSION_QUEUE_STALLED_ENABLED }}
+export TRANSMISSION_QUEUE_STALLED_MINUTES={{ .Env.TRANSMISSION_QUEUE_STALLED_MINUTES }}
+export TRANSMISSION_RATIO_LIMIT={{ .Env.TRANSMISSION_RATIO_LIMIT }}
+export TRANSMISSION_RATIO_LIMIT_ENABLED={{ .Env.TRANSMISSION_RATIO_LIMIT_ENABLED }}
+export TRANSMISSION_RENAME_PARTIAL_FILES={{ .Env.TRANSMISSION_RENAME_PARTIAL_FILES }}
+export TRANSMISSION_RPC_AUTHENTICATION_REQUIRED={{ .Env.TRANSMISSION_RPC_AUTHENTICATION_REQUIRED }}
+export TRANSMISSION_RPC_BIND_ADDRESS={{ .Env.TRANSMISSION_RPC_BIND_ADDRESS }}
+export TRANSMISSION_RPC_ENABLED={{ .Env.TRANSMISSION_RPC_ENABLED }}
+export TRANSMISSION_RPC_PASSWORD={{ .Env.TRANSMISSION_RPC_PASSWORD }}
+export TRANSMISSION_RPC_PORT={{ .Env.TRANSMISSION_RPC_PORT }}
+export TRANSMISSION_RPC_URL={{ .Env.TRANSMISSION_RPC_URL }}
+export TRANSMISSION_RPC_USERNAME={{ .Env.TRANSMISSION_RPC_USERNAME }}
+export TRANSMISSION_RPC_WHITELIST={{ .Env.TRANSMISSION_RPC_WHITELIST }}
+export TRANSMISSION_RPC_WHITELIST_ENABLED={{ .Env.TRANSMISSION_RPC_WHITELIST_ENABLED }}
+export TRANSMISSION_SCRAPE_PAUSED_TORRENTS_ENABLED={{ .Env.TRANSMISSION_SCRAPE_PAUSED_TORRENTS_ENABLED }}
+export TRANSMISSION_SCRIPT_TORRENT_DONE_ENABLED={{ .Env.TRANSMISSION_SCRIPT_TORRENT_DONE_ENABLED }}
+export TRANSMISSION_SCRIPT_TORRENT_DONE_FILENAME={{ .Env.TRANSMISSION_SCRIPT_TORRENT_DONE_FILENAME }}
+export TRANSMISSION_SEED_QUEUE_ENABLED={{ .Env.TRANSMISSION_SEED_QUEUE_ENABLED }}
+export TRANSMISSION_SEED_QUEUE_SIZE={{ .Env.TRANSMISSION_SEED_QUEUE_SIZE }}
+export TRANSMISSION_SPEED_LIMIT_DOWN={{ .Env.TRANSMISSION_SPEED_LIMIT_DOWN }}
+export TRANSMISSION_SPEED_LIMIT_DOWN_ENABLED={{ .Env.TRANSMISSION_SPEED_LIMIT_DOWN_ENABLED }}
+export TRANSMISSION_SPEED_LIMIT_UP={{ .Env.TRANSMISSION_SPEED_LIMIT_UP }}
+export TRANSMISSION_SPEED_LIMIT_UP_ENABLED={{ .Env.TRANSMISSION_SPEED_LIMIT_UP_ENABLED }}
+export TRANSMISSION_START_ADDED_TORRENTS={{ .Env.TRANSMISSION_START_ADDED_TORRENTS }}
+export TRANSMISSION_TRASH_ORIGINAL_TORRENT_FILES={{ .Env.TRANSMISSION_TRASH_ORIGINAL_TORRENT_FILES }}
+export TRANSMISSION_UMASK={{ .Env.TRANSMISSION_UMASK }}
+export TRANSMISSION_UPLOAD_LIMIT={{ .Env.TRANSMISSION_UPLOAD_LIMIT }}
+export TRANSMISSION_UPLOAD_LIMIT_ENABLED={{ .Env.TRANSMISSION_UPLOAD_LIMIT_ENABLED }}
+export TRANSMISSION_UPLOAD_SLOTS_PER_TORRENT={{ .Env.TRANSMISSION_UPLOAD_SLOTS_PER_TORRENT }}
+export TRANSMISSION_UTP_ENABLED={{ .Env.TRANSMISSION_UTP_ENABLED }}
+export TRANSMISSION_WATCH_DIR={{ .Env.TRANSMISSION_WATCH_DIR }}
+export TRANSMISSION_WATCH_DIR_ENABLED={{ .Env.TRANSMISSION_WATCH_DIR_ENABLED }}
+

transmission/start.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Source our persisted env variables from container startup
+. /etc/transmission-daemon/environment-variables.sh
+
 tun0ip=$(ifconfig tun0 | sed -n '2 p' | awk '{print $2}' | cut -d: -f2)
 echo "Updating TRANSMISSION_BIND_ADDRESS_IPV4 to tun0 ip: ${tun0ip}"
 export TRANSMISSION_BIND_ADDRESS_IPV4=${tun0ip}

transmission/updateTransmissionPort.sh

@@ -22,7 +22,7 @@ new_client_id() {
 }
 
 pia_client_id="$(cat $pia_client_id_file 2>/dev/null)"
-if [[ -z "$pia_client_id" ]]; then
+if [ -z ${pia_client_id} ]; then
      echo "Generating new client id for PIA"
      pia_client_id=$(new_client_id)
 fi
@@ -39,7 +39,7 @@ echo "Got new port $new_port from pia"
 
 # Check if transmission remote is set up with authentication
 auth_enabled=$(grep 'rpc-authentication-required\"' $transmission_settings_file | grep -oE 'true|false')
-if [[ "true" = "$auth_enabled" ]]
+if [ "true" = "$auth_enabled" ]
   then
     echo "transmission auth required"
     myauth="--auth $transmission_username:$transmission_passwd"
@@ -50,7 +50,7 @@ fi
 
 # get current listening port
 transmission_peer_port=$(transmission-remote $myauth -si | grep Listenport | grep -oE '[0-9]+')
-if [[ "$new_port" != "$transmission_peer_port" ]]
+if [ "$new_port" != "$transmission_peer_port" ]
   then
     transmission-remote $myauth -p "$new_port"
     echo "Checking port..."