1 files changed, 190 insertions, 0 deletions
diff --git a/share/hydractl/dist-upgrade b/share/hydractl/dist-upgrade
new file mode 100755
index 0000000..f0c42b1
--- /dev/null
+++ b/share/hydractl/dist-upgrade
@@ -0,0 +1,190 @@
+#!/bin/bash
+#
+# Do a system upgrade, from a version to the next.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with this program.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# Load
+source $APP_BASE/lib/hydra/functions || exit 1
+hydra_config_load
+
+# Parameters
+TMP="/tmp"
+STATE="$TMP/system-upgrade"
+ENV="$TMP/system-upgrade-env"
+
+# Command line arguments
+BASENAME="`basename $0`"
+NEXTRELEASE="$1"
+
+# Proceed to the next upgrade stage
+function hydra_system_upgrade_stage {
+  STAGE="$1"
+  echo $STAGE > $STATE
+  hydra_system_upgrade_$STAGE
+}
+
+# Set and check upgrade environment
+function hydra_system_upgrade_env {
+  # Set initial state
+  hydra_system_upgrade_stage env
+
+  # Available releases
+  #release="`facter lsbdistcodename`" # this doesn't work on squeeze
+  release="`facter 2> /dev/null | grep lsbdistcodename | sed -e 's/lsbdistcodename => //'`"
+  nextrelease="`hydra_next_debian_release $release`"
+
+  # Is a virtual machine?
+  virtual="`facter 2> /dev/null | grep virtual | grep -v '^is_virtual' | sed -e 's/virtual => //'`"
+
+  # Save environment
+  echo "release=$release"          > $ENV
+  echo "nextrelease=$nextrelease" >> $ENV
+  echo "nextrelease=$nextrelease" >> $ENV
+  echo "virtual=$virtual"         >> $ENV
+
+  # Check release
+  if [ "$?" != "0" ]; then
+    echo "Unsupported release"
+    exit 1
+  fi
+
+  # Check optional parameter
+  if [ ! -z "$NEXTRELEASE" ]; then
+    if [ "$NEXTRELEASE" == "$release" ]; then
+      echo "System is already upgraded to $NEXTRELEASE"
+      exit 1
+    fi
+
+    if [ "$NEXTRELEASE" != "$nextrelease" ]; then
+      echo "Cannot upgrade: next release for this system is $nextrelease"
+      exit 1
+    fi
+  fi
+
+  # Set next  state
+  hydra_system_upgrade_stage prepare
+}
+
+# Prepare the environment for a system upgrade
+function hydra_system_upgrade_prepare {
+  # Ensure puppet is stopped during the process
+  if [ -e "/etc/default/puppet" ]; then
+    echo "Disabling puppet agent..."
+    sed -i -e 's/START=yes/START=no/' /etc/default/puppet
+    service puppet stop
+  fi
+
+  # Configure apt for the next debian release
+  echo ""
+  echo "Updating apt configuration..."
+  sed -i -e "s/$release/$nextrelease/g" /etc/apt/sources.list
+  sed -i -e "s/$release/$nextrelease/g" /etc/apt/preferences
+  sed -i -e 's|^deb http://backports.debian.org/debian-backports|#deb http://backports.debian.org/debian-backports|' /etc/apt/sources.list
+
+  # These will be generated by puppet and can be safely removed
+  rm -f /etc/apt/sources.list.d/*
+  rm -f /etc/apt/preferences.d/*
+
+  # These might lead in upgrade errors
+  if [ "$virtual" == "vserver" ] && [ "$nextrelease" == "wheezy" ]; then
+    apt-get remove makedev -y
+    apt-get remove colord  -y
+  fi
+
+  # Set next  state
+  hydra_system_upgrade_stage download
+}
+
+# Update package listing and download new packages
+function hydra_system_upgrade_download {
+  echo ""
+  echo "Updating package listing..."
+  apt-get update
+  echo ""
+  echo "Downloading packages..."
+  apt-get dist-upgrade -d -y
+  hydra_system_upgrade_stage upgrade
+}
+
+# Proceed with the actual upgrade
+function hydra_system_upgrade_upgrade {
+  echo ""
+  echo "Upgrading the system..."
+  DEBIAN_FRONTEND=noninteractive apt-get dist-upgrade
+
+  if [ "$?" != "0" ]; then
+    echo "Upgrade failed. Please fix it manually and run this command again."
+    exit 1
+  fi
+
+  hydra_system_upgrade_stage custom
+}
+
+# Custom upgrade procedures
+function hydra_system_upgrade_custom {
+  if [ "$nextrelease" == "wheezy" ]; then
+    # Old suhosin config
+    rm -f /etc/php5/conf.d/suhosin.ini
+
+    # This has to be manually installed again
+    if [ -f "/etc/php5/cli/conf.d/uploadprogress.ini" ]; then
+      pecl uninstall uploadprogress
+      pecl install   uploadprogress
+    fi
+  fi
+
+  if [ "$nextrelease" == "jessie" ]; then
+    # We're using a masterless puppet setup, so no agent
+    apt-get install puppet-common
+    apt-get purge puppet
+
+    # Purge old monitoring infrastructure
+    apt-get purge 'munin*' 'nagios*'
+    rm -rf /etc/nagios* /etc/munin* /etc/munin* /usr/share/munin*
+
+    # Cleanup old scripts
+    rm -f /usr/local/sbin/check-puppetd.sh
+    rm -f remove /etc/cron.d/puppetd
+  fi
+
+  hydractl trac-upgrade
+  hydra_system_upgrade_stage cleanup
+}
+
+# Cleanup procedures
+function hydra_system_upgrade_cleanup {
+  apt-get autoremove --purge -y
+  apt-get clean
+}
+
+# Initialize
+if [ ! -e "$STATE" ]; then
+  hydra_system_upgrade_env
+else
+  # Resume from the previous state
+  STAGE="`cat $STATE`"
+
+  # Restore environment
+  if [ -e "$ENV" ]; then
+    source $ENV
+  fi
+
+  hydra_system_upgrade_$STAGE
+fi
+
+# Teardown
+rm -f $STATE
+rm -f $ENV