Add lvm image to loci-cinder

This change adds an LVM image to run the
reference implementation of cinder-volume.

It includes LVM2 service and iSCSI target.

Change-Id: I5c109c0496b09213460a5abb7472689da3402f3f

centos/lvm/Dockerfile

@@ -0,0 +1,12 @@
+FROM openstackloci/cinder:centos
+
+ARG OVERRIDE=override
+
+ADD $OVERRIDE /
+
+RUN set -x \
+    && yum install -y lvm2 \
+    targetcli \
+    && sed -i -e 's/udev_sync = 1/udev_sync = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/udev_rules = 1/udev_rules = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/use_lvmetad = 0/use_lvmetad = 1/g' /etc/lvm/lvm.conf

centos/lvm/testvars

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+export PROJECT=cinder
+export DISTRO=debian
+export PLUGIN=lvm

debian/lvm/Dockerfile

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+FROM openstackloci/cinder:debian
+
+ARG OVERRIDE=override
+
+ADD $OVERRIDE /
+
+RUN set -x \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends lvm2 \
+    tgt \
+    && rm -rf /var/lib/apt/lists/* \
+    && sed -i -e 's/udev_sync = 1/udev_sync = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/udev_rules = 1/udev_rules = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/use_lvmetad = 0/use_lvmetad = 1/g' /etc/lvm/lvm.conf \
+    && echo "include /var/lib/cinder/volumes/*" >> /etc/tgt/targets.conf

debian/lvm/testvars

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+export PROJECT=cinder
+export DISTRO=debian
+export PLUGIN=lvm

ubuntu/lvm/Dockerfile

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+FROM openstackloci/cinder:ubuntu
+
+ARG OVERRIDE=override
+
+ADD $OVERRIDE /
+
+RUN set -x \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends lvm2 \
+    tgt \
+    && rm -rf /var/lib/apt/lists/* \
+    && sed -i -e 's/udev_sync = 1/udev_sync = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/udev_rules = 1/udev_rules = 0/g' /etc/lvm/lvm.conf \
+    && sed -i -e 's/use_lvmetad = 0/use_lvmetad = 1/g' /etc/lvm/lvm.conf \
+    && echo "include /var/lib/cinder/volumes/*" >> /etc/tgt/targets.conf

ubuntu/lvm/testvars

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+export PROJECT=cinder
+export DISTRO=ubuntu
+export PLUGIN=lvm