Upgrade a Deis cluster that doesn't use the standard database or cache

deis-upgrade

#!/bin/bash -ue

#
# Rolling upgrade procedure
#

if test $# -lt 1; then
  echo "Usage:"
  echo "  upgrade-deis seed-ip [number-of-routers]"
  echo "  by default the number-of-routers is 3"
  echo ""
  echo "Examples:"
  echo "  upgrade-deis 10.12.1.113"
  echo "  upgrade-deis 10.12.1.113 5"

  exit 1
fi

export FLEETCTL_TUNNEL=$1
export DEISCTL_TUNNEL=$FLEETCTL_TUNNEL

VERSION=v1.0.2
NUM_ROUTERS=${2-3}

NON_CRITICAL_COMPONENTS="store-monitor store-daemon store-metadata store-gateway store-volume logger logspout registry controller builder"

#
# Update Units
#

echo 'Refreshing units'
deisctl refresh-units

#
# Shut down non-critical components
#

echo 'Uninstalling non-critical components'
echo $NON_CRITICAL_COMPONENTS | xargs -n 1 deisctl stop
echo $NON_CRITICAL_COMPONENTS | xargs -n 1 deisctl uninstall

#
# Set new version
#

echo "Setting version to ${VERSION}"
deisctl config platform set version=$VERSION

#
# Start non-critical components
#

echo 'Installing non-critical components'
echo $NON_CRITICAL_COMPONENTS | xargs -n 1 deisctl install
echo $NON_CRITICAL_COMPONENTS | xargs -n 1 deisctl start

#
# Roll the critical components
#

echo 'Pulling latest publisher container'
for server in $(fleetctl list-machines -fields=ip -no-legend=true); do
  ssh core@${server} 'docker pull $(/run/deis/bin/get_image /deis/publisher); docker pull $(/run/deis/bin/get_image /deis/router)'
done

echo 'Uninstalling publisher'
deisctl stop publisher && deisctl uninstall publisher
echo 'Installing publisher'
deisctl install publisher && deisctl start publisher

for i in $(seq 1 $NUM_ROUTERS); do
  echo "Uninstalling router ${i}"
  deisctl stop router@${i} && deisctl uninstall router@${i}
  echo "Installing router ${i}"
  deisctl install router@${i} && deisctl start router@${i}
done

echo 'Complete'

Forgot to mention this: On line 32 deisctl refresh-units should take the option -t $VERSION else it may update the unit files past the deis version.