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Add the ability to activate Nova ceph without Cinder

Prior to this patch, if we wanted to boot a VM in Ceph using
libvirt_image_type we must had Cinder enabled. This patch allows you to
use libvirt_image_type without having Cinder enabled.

Change-Id: Ia61e6effc5a4ccba69f4fa48f6e9984f15bb8979
Signed-off-by: Sébastien Han <sebastien.han@enovance.com>

Sébastien Han authored on 2014/10/06 07:15:33
Showing 2 changed files
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@@ -26,8 +26,9 @@ if is_service_enabled ceph; then
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         if is_service_enabled cinder; then
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             echo_summary "Configuring Cinder for Ceph"
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             configure_ceph_cinder
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-            # NOTE (leseb): the part below is a requirement from Cinder in order to attach volumes
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-            # so we should run the following within the if statement.
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+        fi
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+        if is_service_enabled cinder || is_service_enabled nova; then
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+            # NOTE (leseb): the part below is a requirement to attach Ceph block devices
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             echo_summary "Configuring libvirt secret"
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             import_libvirt_secret_ceph
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         fi
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@@ -221,6 +221,11 @@ function configure_ceph_nova {
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     iniset $NOVA_CONF libvirt images_type rbd
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     iniset $NOVA_CONF libvirt images_rbd_pool ${NOVA_CEPH_POOL}
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     iniset $NOVA_CONF libvirt images_rbd_ceph_conf ${CEPH_CONF_FILE}
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+
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+    if ! is_service_enabled cinder; then
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+        sudo ceph -c ${CEPH_CONF_FILE} auth get-or-create client.${CINDER_CEPH_USER} mon "allow r" osd "allow class-read object_prefix rbd_children, allow rwx pool=${CINDER_CEPH_POOL}, allow rwx pool=${NOVA_CEPH_POOL},allow rx pool=${GLANCE_CEPH_POOL}" | sudo tee ${CEPH_CONF_DIR}/ceph.client.${CINDER_CEPH_USER}.keyring > /dev/null
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+        sudo chown ${STACK_USER}:$(id -g -n $whoami) ${CEPH_CONF_DIR}/ceph.client.${CINDER_CEPH_USER}.keyring
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+    fi
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 }
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 # configure_ceph_cinder() - Cinder config needs to come after Cinder is set up