juju-setall

#!/bin/bash
#
# Copyright 2014 Marco Ceppi <marco@ceppi.net>
#
# juju-setall is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# juju-setall is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# For a full copy of the GNU General Public License, see
# <http://www.gnu.org/licenses/>.

set -e

if [ "$1" == "--description" ]; then
  echo "Set a configuration option across all services"
  exit
fi

if [ "$1" == "--help" ]; then
  echo "usage: juju setall [options] key=value ..."
  echo "purpose: set config options across entire deployment"
  echo
  echo "options"
  echo "-e, --environment (= '$(cat ~/.juju/current-environment)')"
  echo "    juju environment to operate in"
  echo
  echo "Set one or more configuration options for all services in environment"
  echo
  echo "This will iterate over all services in deployed environment and attempt to set"
  echo "all configuration keys for that service, if keys don't exist for that service"
  echo "the command will silently continue to the next service."
  exit
fi

if [ -z "$1" ]; then
  echo "error: no configuration options specified" >&2
  exit 1
fi

settings="$@"

for i in "$(juju pprint -q)"; do
  service=$(echo "$i" | awk -F/ '{print $1}')
  echo "Setting '$settings' for $service" >&2
  juju set $server $settings 2>/dev/null || true
done