openstack-status

#!/bin/sh
#
# Copyright (C) 2012, Red Hat, Inc.
# Pádraig Brady <pbrady@redhat.com>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
#set -x
systemctl --version >/dev/null 2>&1 && systemctl=1
[ "$systemctl" ] || RUNLEVEL=$(LANG=C who -r | sed 's/.*run-level \([0-9]\).*/\1/')

for conf in nova/nova.conf keystone/keystone.conf glance/glance-registry.conf; do
    if grep -qF 'connection = mysql' /etc/$conf 2>/dev/null; then
        mysqld='mysqld'
        break;
    fi
done

rpm -q openstack-nova-common > /dev/null && nova='nova'
rpm -q openstack-glance > /dev/null && glance='glance'
rpm -q openstack-dashboard > /dev/null && dashboard='httpd'
rpm -q openstack-keystone > /dev/null && keystone='keystone'
rpm -q openstack-quantum > /dev/null && quantum='quantum'
rpm -q openstack-swift > /dev/null && swift='swift'
rpm -q openstack-cinder > /dev/null && cinder='cinder'
rpm -q libvirt > /dev/null && libvirtd='libvirtd'
rpm -q qpid-cpp-server > /dev/null && qpidd='qpidd'
rpm -q rabbitmq-server > /dev/null && rabbitmq='rabbitmq-server'
rpm -q memcached > /dev/null && memcached='memcached'

if test "$qpidd" && test "$rabbitmq"; then
  # Give preference to rabbit
  # Unless nova is installed and qpid is specifed
  if test "$nova" && grep -q '^rpc_backend.*qpid' /etc/nova/nova.conf; then
    rabbitmq=''
  else
    qpidd=''
  fi
fi

is_supervisor_managed() {
  managed="no"
  echo $1 | grep 'keystone' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-api' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-scheduler' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-conductor' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-cert' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-consoleauth' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'nova-novncproxy' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'glance-api' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'glance-registry' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'cinder-api' 2>/dev/null 1> /dev/null && managed='yes'
  echo $1 | grep 'cinder-scheduler' 2>/dev/null 1> /dev/null && managed='yes'

  echo $managed
}

service_installed() {
  supervisor_managed=$(is_supervisor_managed $1)
  if [ $supervisor_managed = "yes" ]; then
      svc_name=$(echo $1 | sed 's/openstack-//g')
      service $svc_name status 2>&1 | grep -v "$svc_name: unrecognized service" 2> /dev/null 1> /dev/null
  else
      PAGER= systemctl show $1.service >/dev/null 2>&1 ||
      chkconfig --list $1 >//dev/null 2>&1
  fi
}

service_enabled() {
  supervisor_managed=$(is_supervisor_managed $1)
  if [ $supervisor_managed = "yes" ]; then
      svc_name=$(echo $1 | sed 's/openstack-//g')
      service $svc_name status 2>&1 | grep -v "$svc-name: unrecognized service" 2> /dev/null 1> /dev/null
  elif [ "$systemctl" ]; then
    systemctl --quiet is-enabled $1.service 2>/dev/null
  else
    chkconfig --levels $RUNLEVEL "$1"
  fi
}

if service_enabled openstack-nova-volume 2>/dev/null ||
   service_enabled openstack-cinder-volume 2>/dev/null; then
  tgtd='tgtd'
fi

lsb_to_string() {
  case $1 in
  0) echo "active" ;;
  1) echo "dead" ;;
  2) echo "dead" ;;
  3) echo "inactive" ;;
  *) echo "unknown" ;;
  esac
}

check_sysv_svc() {
  supervisor_managed=$(is_supervisor_managed $1)
  printf '%-30s' "$1:"
  bootstatus=$(service_enabled $1 && echo enabled || echo disabled)
  if [ $supervisor_managed = "yes" ]; then
      svc_name=$(echo $1 | sed 's/openstack-//g')
      status=$(service $svc_name status | grep -s -i running  >/dev/null 2>/dev/null; lsb_to_string $?)
  else
      status=$(service $1 status >/dev/null 2>/dev/null ; lsb_to_string $?)
  fi
  if [ "$bootstatus" = 'disabled' ]; then
    bootstatus=' (disabled on boot)'
  else
    bootstatus=''
  fi
  printf '%s\n' "$status$bootstatus"
}

check_svc() {

  if [ ! "$systemctl" ]; then
    check_sysv_svc "$@"
    return
  fi

  printf '%-30s' "$1:"
  bootstatus=$(service_enabled $1 && echo enabled || echo disabled)
  status=$(systemctl is-active $1.service 2>/dev/null)
  # For "simple" systemd services you get
  # "unknown" if you query a non enabled service
  if [ "$bootstatus" = 'disabled' ]; then
    bootstatus=' (disabled on boot)'
    [ $status = 'unknown' ] && status='inactive'
  else
    bootstatus=''
  fi
  printf '%s\n' "$status$bootstatus"
}


if test "$nova"; then
  printf "== Nova services ==\n"
  service_installed openstack-nova-cert && cert=cert
  service_installed openstack-nova-conductor && conductor=conductor
  for svc in api $cert compute network scheduler volume $conductor; do check_svc "openstack-nova-$svc"; done
fi

if test "$glance"; then
  printf "== Glance services ==\n"
  for svc in api registry; do check_svc "openstack-glance-$svc"; done
fi

if test "$keystone"; then
  printf "== Keystone service ==\n"
  for svc in $keystone; do check_svc "openstack-$svc"; done
fi

if test "$dashboard"; then
  printf "== Horizon service ==\n"
  horizon_status="$(curl -s -w '%{http_code}\n' http://localhost/dashboard -o /dev/null)"
  [ "$horizon_status" = 200 ] && horizon_status=active
  printf '%-30s%s\n' "openstack-dashboard:" "$horizon_status"
fi

if test "$quantum"; then
  printf "== Quantum services ==\n"
  # TODO: Update for Folsom which has plugin ini files in a different location
  if grep -q '^provider = quantum.plugins.linuxbridge' /etc/quantum/plugins.ini 2>/dev/null; then
    quantum_plugin=quantum-linuxbridge-agent
  fi
  if grep -q '^provider = quantum.plugins.openvswitch' /etc/quantum/plugins.ini 2>/dev/null; then
    quantum_plugin=quantum-openvswitch-agent
    quantum_support=openvswitch
  fi
  for svc in quantum-server $quantum_plugin $quantum_support; do check_svc "$svc"; done
fi

if test "$swift"; then
  printf "== Swift services ==\n"
  check_svc openstack-swift-proxy
  for ringtype in account container object; do
    check_svc openstack-swift-$ringtype
    for service in replicator updater auditor; do
      if [ $ringtype != 'account' ] || [ $service != 'updater' ]; then
        : # TODO how to check status of:
          # swift-init $ringtype-$service
      fi
    done
  done
fi

if test "$cinder"; then
  printf "== Cinder services ==\n"
  for service in api scheduler volume; do
    check_svc openstack-cinder-$service
  done
fi

printf "== Support services ==\n"
for svc in $mysqld $dashboard $libvirtd $tgtd $qpidd $rabbitmq $memcached; do
  check_svc "$svc"
done

if test "$keystone"; then
  printf "== Keystone users ==\n"
  if ! test "$OS_USERNAME"; then
    echo "Warning keystonerc not sourced" >&2
  else
    keystonerc=1
    keystone user-list
  fi
fi

if test "$keystonerc" && test "$glance"; then
  printf "== Glance images ==\n"
  glance index
fi

if test "$nova"; then
  if ! test "$keystonerc" && ! test "$NOVA_USERNAME"; then
    test "$keystone" || echo "Warning novarc not sourced" >&2
  else
    printf "== Nova instance flavors ==\n"
    # Check direct access
    nova-manage flavor list

    printf "== Nova instances ==\n"
    # Check access through the API
    nova list # instances
  fi
fi