fix(deisctl/units): short-circuit if we don't have an image

Using `;` instead of `&&` means the command won't exit if we
don't get an image.

Author: carmstrong

deisctl/units/deis-builder.service

@@ -4,7 +4,7 @@ Description=deis-builder
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=30m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-builder >/dev/null && docker rm -f deis-builder || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/builder` && docker run --name deis-builder --rm -p 2223:22 -e EXTERNAL_PORT=2223 -e HOST=$COREOS_PRIVATE_IPV4 --privileged $IMAGE"
 ExecStartPost=/bin/sh -c "echo 'Waiting for builder on 2223/tcp...' && until echo 'dummy-value' | ncat $COREOS_PRIVATE_IPV4 2223 >/dev/null 2>&1; do sleep 1; done"

deisctl/units/deis-cache.service

@@ -4,7 +4,7 @@ Description=deis-cache
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/cache`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/cache` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-cache >/dev/null && docker rm -f deis-cache || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/cache` && docker run --name deis-cache --rm -p 6379:6379 -e EXTERNAL_PORT=6379 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
 ExecStopPost=/usr/bin/docker stop deis-cache

deisctl/units/deis-controller.service

@@ -7,7 +7,7 @@ After=deis-logger@1.service
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
 ExecStartPre=/bin/sh -c "echo Waiting for deis-logger to start... ; until docker inspect deis-logger >/dev/null 2>&1; do sleep 2; done"
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-controller >/dev/null && docker rm -f deis-controller || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/controller` && docker run --name deis-controller -v /var/run/fleet.sock:/var/run/fleet.sock --rm -p 8000:8000 -e EXTERNAL_PORT=8000 -e HOST=$COREOS_PRIVATE_IPV4 --volumes-from=deis-logger $IMAGE"
 ExecStopPost=/usr/bin/docker stop deis-controller

deisctl/units/deis-database.service

@@ -4,8 +4,8 @@ Description=deis-database
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
-ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database`; docker start -a deis-database >/dev/null || docker run --name deis-database -p 5432:5432 -e EXTERNAL_PORT=5432 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/database` && docker start -a deis-database >/dev/null || docker run --name deis-database -p 5432:5432 -e EXTERNAL_PORT=5432 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
 ExecStop=/bin/bash -c "nsenter --pid --uts --mount --ipc --net --target $(docker inspect --format='{{ .State.Pid }}' deis-database) sudo service postgresql stop"
 ExecStopPost=/usr/bin/docker stop deis-database
 

deisctl/units/deis-logger.service

@@ -6,7 +6,7 @@ After=deis-logger-data.service
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logger`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logger` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-logger >/dev/null && docker rm -f deis-logger || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logger` && docker run --name deis-logger --rm -p 514:514/udp -e EXTERNAL_PORT=514 -e HOST=$COREOS_PRIVATE_IPV4 --volumes-from deis-logger-data $IMAGE"
 ExecStopPost=/usr/bin/docker stop deis-logger

deisctl/units/deis-logspout.service

@@ -6,7 +6,7 @@ After=docker.socket etcd.service
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logspout`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logspout` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-logspout >/dev/null && docker rm -f deis-logspout || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/logspout` && docker run --name deis-logspout --rm -v /var/run/docker.sock:/tmp/docker.sock -e ETCD_HOST=$COREOS_PRIVATE_IPV4 -e HOST=$COREOS_PRIVATE_IPV4 -e DEBUG=1 $IMAGE"
 

deisctl/units/deis-publisher.service

@@ -6,7 +6,7 @@ After=docker.socket etcd.service
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/publisher`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/publisher` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-publisher >/dev/null && docker rm -f deis-publisher || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/publisher` && docker run --name deis-publisher --rm -e HOST=$COREOS_PRIVATE_IPV4 -e ETCD_HOST=$COREOS_PRIVATE_IPV4 -v /var/run/docker.sock:/var/run/docker.sock $IMAGE"
 

deisctl/units/deis-registry.service

@@ -4,7 +4,7 @@ Description=deis-registry
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=30m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/registry`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/registry` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-registry >/dev/null && docker rm -f deis-registry || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/registry` && docker run --name deis-registry --rm -p 5000:5000 -e EXTERNAL_PORT=5000 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
 ExecStopPost=-/usr/bin/docker stop deis-registry

deisctl/units/deis-router.service

@@ -4,7 +4,7 @@ Description=deis-router
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/router`; docker history $IMAGE >/dev/null || docker pull $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/router` && docker history $IMAGE >/dev/null || docker pull $IMAGE"
 ExecStartPre=/bin/sh -c "docker inspect deis-router >/dev/null && docker rm -f deis-router || true"
 ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/router` && docker run --name deis-router --rm -p 80:80 -p 2222:2222 -e EXTERNAL_PORT=80 -e HOST=$COREOS_PRIVATE_IPV4 $IMAGE"
 ExecStopPost=/usr/bin/docker stop deis-router

deisctl/units/deis-store-daemon.service

@@ -4,8 +4,8 @@ Description=deis-store-daemon
 [Service]
 EnvironmentFile=/etc/environment
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/store-daemon`; docker history $IMAGE >/dev/null 2>&1 || docker pull $IMAGE"
-ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/store-daemon`; docker start -a deis-store-daemon >/dev/null || docker run --name deis-store-daemon -e HOST=$COREOS_PRIVATE_IPV4 -p 6800 --net host $IMAGE"
+ExecStartPre=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/store-daemon` && docker history $IMAGE >/dev/null 2>&1 || docker pull $IMAGE"
+ExecStart=/bin/sh -c "IMAGE=`/run/deis/bin/get_image /deis/store-daemon` && docker start -a deis-store-daemon >/dev/null || docker run --name deis-store-daemon -e HOST=$COREOS_PRIVATE_IPV4 -p 6800 --net host $IMAGE"
 ExecStopPost=-/usr/bin/docker stop deis-store-daemon
 
 [Install]