Fix gates out of disk space

Sometimes gates fails due lack of space,
post merge jobs gates fails always for oraclelinux
binary, not being able create a tarball registry.

This change mounts a second disk in opt and moves
registry data to opt.
Disk format commands are excepts from devstack-gate:
dc49f9e6eb/functions.sh (L306)

Closes-Bug: #1713652
Change-Id: I883e51042841709eb9ab348cfdce9fecbd4fb890

tools/gate_run.sh

@@ -85,7 +85,7 @@ function pack_registry {
 
     FILENAME=${BASE_DISTRO}-${INSTALL_TYPE}-registry-${BRANCH}.tar.gz
     sudo docker stop registry
-    sudo tar -zcf "images/$FILENAME" -C /tmp/kolla_registry .
+    sudo tar -zcf "images/$FILENAME" -C /opt/kolla_registry .
     sudo docker start registry
     sudo chmod 755 -R images
 }

tools/publisher.sh

@@ -3,7 +3,7 @@
 
 export ZUUL_REF=$ZUUL_REF
 export BRANCH=$(echo "$ZUUL_BRANCH" | cut -d/ -f2)
-export TMP_REGISTRY="tmp/"
+export TMP_REGISTRY="opt/"
 export PUBLISHER=1
 export SIGNOFF_FILENAME=${BASE_DISTRO}-${INSTALL_TYPE}-registry-${BRANCH}.txt
 export FILENAME=${BASE_DISTRO}-${INSTALL_TYPE}-registry-${BRANCH}.tar.gz

tools/setup_Debian.sh

@@ -18,6 +18,25 @@ function setup_disk {
         DEV=$(losetup -a | awk -F: '/\/docker/ {print $1}')
     fi
 
+# Excerpts from https://github.com/openstack-infra/devstack-gate/blob/dc49f9e6eb18e42c6b175e4e146fa8f3b7633279/functions.sh#L306
+    if [ -b /dev/xvde ]; then
+        DEV2='/dev/xvde'
+        if mount | grep ${DEV2} > /dev/null; then
+            echo "*** ${DEV2} appears to already be mounted"
+            echo "*** ${DEV2} unmounting and reformating"
+            sudo umount ${DEV2}
+        fi
+        sudo parted ${DEV2} --script -- mklabel msdos
+        sync
+        sudo partprobe
+        sudo mkfs.ext4 ${DEV2}
+        sudo mount ${DEV2} /mnt
+        sudo find /opt/ -mindepth 1 -maxdepth 1 -exec mv {} /mnt/ \;
+        sudo umount /mnt
+        sudo mount ${DEV2} /opt
+        grep -q ${DEV2} /proc/mounts || exit 1
+    fi
+
     # Format Disks and setup Docker to use BTRFS
     sudo parted ${DEV} -s -- mklabel msdos
     sudo rm -rf /var/lib/docker

tools/setup_RedHat.sh

@@ -18,6 +18,25 @@ function setup_disk {
         DEV=$(losetup -a | awk -F: '/\/docker/ {print $1}')
     fi
 
+# Excerpts from https://github.com/openstack-infra/devstack-gate/blob/dc49f9e6eb18e42c6b175e4e146fa8f3b7633279/functions.sh#L306
+    if [ -b /dev/xvde ]; then
+        DEV2='/dev/xvde'
+        if mount | grep ${DEV2} > /dev/null; then
+            echo "*** ${DEV2} appears to already be mounted"
+            echo "*** ${DEV2} unmounting and reformating"
+            sudo umount ${DEV2}
+        fi
+        sudo parted ${DEV2} --script -- mklabel msdos
+        sync
+        sudo partprobe
+        sudo mkfs.ext4 ${DEV2}
+        sudo mount ${DEV2} /mnt
+        sudo find /opt/ -mindepth 1 -maxdepth 1 -exec mv {} /mnt/ \;
+        sudo umount /mnt
+        sudo mount ${DEV2} /opt
+        grep -q ${DEV2} /proc/mounts || exit 1
+    fi
+
     # Format Disks and setup Docker to use BTRFS
     sudo parted ${DEV} -s -- mklabel msdos
     sudo rm -rf /var/lib/docker

tools/setup_gate.sh

@@ -180,9 +180,9 @@ function setup_logging {
 }
 
 function setup_registry {
-    sudo mkdir /tmp/kolla_registry
+    sudo mkdir /opt/kolla_registry
-    sudo chmod -R 644 /tmp/kolla_registry
+    sudo chmod -R 644 /opt/kolla_registry
-    docker run -d -p 4000:5000 --restart=always -v /tmp/kolla_registry/:/var/lib/registry --name registry registry:2
+    docker run -d -p 4000:5000 --restart=always -v /opt/kolla_registry/:/var/lib/registry --name registry registry:2
 }
 
 setup_logging