fix(systemd): lookup default gateway interface for HOST_IP

- only pull images if they don't already exist in the local docker cache

Author: Gabriel Monroy

builder/systemd/deis-builder.service

@@ -3,9 +3,9 @@ Description=deis-builder
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/builder
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/builder || /usr/bin/docker pull deis/builder"
 ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-builder-data || /usr/bin/docker run --name deis-builder-data -v /buildpacks -v /var/lib/docker/graph deis/data"
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-builder -p 2222:22 -e PUBLISH=22 -e HOST=$HOST_IP -e PORT=2222 --volumes-from deis-builder-data --privileged deis/builder"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-builder -p 2222:22 -e PUBLISH=22 -e HOST=$HOST_IP -e PORT=2222 --volumes-from deis-builder-data --privileged deis/builder"
 ExecStop=/usr/bin/docker rm -f deis-builder
 
 [Install]

cache/systemd/deis-cache.service

@@ -3,8 +3,8 @@ Description=deis-cache
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/cache
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-cache -p 6379:6379 -e PUBLISH=6379 -e HOST=$HOST_IP deis/cache"
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/cache || /usr/bin/docker pull deis/cache"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-cache -p 6379:6379 -e PUBLISH=6379 -e HOST=$HOST_IP deis/cache"
 ExecStop=/usr/bin/docker rm -f deis-cache
 
 [Install]

controller/systemd/deis-controller.service

@@ -3,8 +3,8 @@ Description=deis-controller
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/controller
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-controller -p 8000:8000 -e PUBLISH=8000 -e HOST=$HOST_IP deis/controller"
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/controller >/dev/null || /usr/bin/docker pull deis/controller"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-controller -p 8000:8000 -e PUBLISH=8000 -e HOST=$HOST_IP deis/controller"
 ExecStop=/usr/bin/docker rm -f deis-controller
 
 [Install]

database/systemd/deis-database.service

@@ -3,9 +3,9 @@ Description=deis-database
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/database
-ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-database-data || /usr/bin/docker run --name deis-database-data -v /var/lib/postgresql deis/data"
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-database -p 5432:5432 -e PUBLISH=5432 -e HOST=$HOST_IP --volumes-from deis-database-data deis/database
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/database >/dev/null || /usr/bin/docker pull deis/database"
+ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-database-data || /home/core/docker/bundles/0.10.0-dev/binary/docker run --name deis-database-data -v /var/lib/postgresql deis/data"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-database -p 5432:5432 -e PUBLISH=5432 -e HOST=$HOST_IP --volumes-from deis-database-data deis/database
 ExecStop=/usr/bin/docker rm -f deis-database
 
 [Install]

logger/systemd/deis-logger.service

@@ -3,9 +3,9 @@ Description=deis-logger
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/logger
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/logger >/dev/null || /usr/bin/docker pull deis/logger"
 ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-logger-data || /usr/bin/docker run --name deis-logger-data -v /var/log/deis deis/data"
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-logger -p 514:514 -e PUBLISH=514 -e HOST=$HOST_IP --volumes-from deis-logger-data deis/logger"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-logger -p 514:514 -e PUBLISH=514 -e HOST=$HOST_IP --volumes-from deis-logger-data deis/logger"
 ExecStop=/usr/bin/docker rm -f deis-logger
 
 [Install]

registry/systemd/deis-registry.service

@@ -3,9 +3,9 @@ Description=deis-registry
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/registry
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/registry >/dev/null || /usr/bin/docker pull deis/registry"
 ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-registry-data || /usr/bin/docker run --name deis-registry-data -v /data deis/data"
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-registry -p 5000:5000 -e PUBLISH=5000 -e HOST=$HOST_IP --volumes-from deis-registry-data deis/registry"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-registry -p 5000:5000 -e PUBLISH=5000 -e HOST=$HOST_IP --volumes-from deis-registry-data deis/registry"
 ExecStop=/usr/bin/docker rm -f deis-registry
 
 [Install]

router/systemd/deis-router.service

@@ -3,8 +3,8 @@ Description=deis-router
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/usr/bin/docker pull deis/router
-ExecStart=/bin/sh -c "HOST_IP=$(/bin/ifconfig eth0 | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-router -p 80:80 -e PUBLISH=80 -e HOST=$HOST_IP deis/router"
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/router >/dev/null || /usr/bin/docker pull deis/router"
+ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-router -p 80:80 -e PUBLISH=80 -e HOST=$HOST_IP deis/router"
 ExecStop=/usr/bin/docker rm -f deis-router
 
 [Install]