compute-managed.scenario

# This file can be used directly by 'phd', see 'build-all.sh' in this
# directory for how it can be invoked.  The only requirement is a list
# of nodes you'd like it to modify.
#
# The scope of each command-block is controlled by the preceeding
# 'target' line. 
#
# - target=all
#   The commands are executed on evey node provided
#
# - target=local
#   The commands are executed from the node hosting phd. When not
#   using phd, they should be run from some other independant host
#   (such as the puppet master)
#
# - target=$PHD_ENV_nodes{N}
#   The commands are executed on the Nth node provided.
#   For example, to run on only the first node would be target=$PHD_ENV_nodes1
#
# Tasks to be performed at this step include:

#################################
# Scenario Requirements Section #
#################################
= REQUIREMENTS =
nodes: 1

= VARIABLES =

PHD_VAR_deployment
PHD_VAR_osp_configdir
PHD_VAR_network_domain
PHD_VAR_network_internal

######################
# Deployment Scripts #
######################
= SCRIPTS =

target=all
....

if [ $PHD_VAR_deployment = segregated ]; then
    echo "We don't document managed compute nodes in a segregated environment yet"

    # Certainly none of the location constraints would work and the
    # resource-discovery options are mostly redundant
    exit 1
fi

yum install -y pacemaker-remote resource-agents pcs nfs-utils

# Unfortunately https://bugzilla.redhat.com/show_bug.cgi?id=1175005
# prevents NFS mounts from succeeding by default prior to a reboot

systemctl daemon-reload
systemctl start rpcbind.service
systemctl start rpc-statd.service

# Now mount /srv so that we can use $PHD_VAR_osp_configdir further down

if grep -q srv /etc/fstab; then 
    echo /srv is already mounted; 
else
    mkdir -p /srv
    echo "${PHD_VAR_network_internal}.1:/srv       /srv                    nfs     defaults,v3     0 0" >> /etc/fstab
    mount /srv
fi

if [ ! -e $PHD_VAR_osp_configdir/pcmk-authkey ]; then
   dd if=/dev/urandom of=$PHD_VAR_osp_configdir/pcmk-authkey bs=4096 count=1
fi

# Until this makes it upstream
#
# The important part is to get this onto the /controller/ nodes, not
# the compute nodes. It wont hurt there though. 
wget -O /usr/sbin/fence_compute https://github.com/beekhof/osp-ha-deploy/raw/master/pcmk/fence_compute
chmod a+x /usr/sbin/fence_compute 

# Until this makes it upstream
mkdir -p /usr/lib/ocf/resource.d/openstack/
wget -O /usr/lib/ocf/resource.d/openstack/NovaCompute https://github.com/beekhof/osp-ha-deploy/raw/master/pcmk/NovaCompute
chmod a+x /usr/lib/ocf/resource.d/openstack/NovaCompute

mkdir -p /etc/pacemaker
cp $PHD_VAR_osp_configdir/pcmk-authkey /etc/pacemaker/authkey

if [ -z "$(pidof pacemakerd)" ]; then
    chkconfig pacemaker_remote on
    service pacemaker_remote start
fi
....