Merge "lib/tempest: add wait for Glance image import"

lib/tempest

@@ -71,6 +71,17 @@ TEMPEST_VOLUME_VENDOR=${TEMPEST_VOLUME_VENDOR:-$TEMPEST_DEFAULT_VOLUME_VENDOR}
 TEMPEST_DEFAULT_STORAGE_PROTOCOL="iSCSI"
 TEMPEST_STORAGE_PROTOCOL=${TEMPEST_STORAGE_PROTOCOL:-$TEMPEST_DEFAULT_STORAGE_PROTOCOL}
 
+# Glance/Image variables
+# When Glance image import is enabled, image creation is asynchronous and images
+# may not yet be active when tempest looks for them.  In that case, we poll
+# Glance every TEMPEST_GLANCE_IMPORT_POLL_INTERVAL seconds for the number of
+# times specified by TEMPEST_GLANCE_IMPORT_POLL_LIMIT.  If you are importing
+# multiple images, set TEMPEST_GLANCE_IMAGE_COUNT so the poller does not quit
+# too early (though it will not exceed the polling limit).
+TEMPEST_GLANCE_IMPORT_POLL_INTERVAL=${TEMPEST_GLANCE_IMPORT_POLL_INTERVAL:-1}
+TEMPEST_GLANCE_IMPORT_POLL_LIMIT=${TEMPEST_GLANCE_IMPORT_POLL_LIMIT:-12}
+TEMPEST_GLANCE_IMAGE_COUNT=${TEMPEST_GLANCE_IMAGE_COUNT:-1}
+
 # Neutron/Network variables
 IPV6_ENABLED=$(trueorfalse True IPV6_ENABLED)
 IPV6_SUBNET_ATTRIBUTES_ENABLED=$(trueorfalse True IPV6_SUBNET_ATTRIBUTES_ENABLED)
@@ -127,6 +138,48 @@ function set_tempest_venv_constraints {
     fi
 }
 
+# Makes a call to glance to get a list of active images, ignoring
+# ramdisk and kernel images.  Takes 3 arguments, an array and two
+# variables.  The array will contain the list of active image UUIDs;
+# if an image with ``DEFAULT_IMAGE_NAME`` is found, its UUID will be
+# set as the value of *both* other parameters.
+function get_active_images {
+    declare -n img_array=$1
+    declare -n img_id=$2
+    declare -n img_id_alt=$3
+
+    # start with a fresh array in case we are called multiple times
+    img_array=()
+
+    while read -r IMAGE_NAME IMAGE_UUID; do
+        if [ "$IMAGE_NAME" = "$DEFAULT_IMAGE_NAME" ]; then
+            img_id="$IMAGE_UUID"
+            img_id_alt="$IMAGE_UUID"
+        fi
+        img_array+=($IMAGE_UUID)
+    done < <(openstack --os-cloud devstack-admin image list --property status=active | awk -F'|' '!/^(+--)|ID|aki|ari/ { print $3,$2 }')
+}
+
+function poll_glance_images {
+    declare -n image_array=$1
+    declare -n image_id=$2
+    declare -n image_id_alt=$3
+    local -i poll_count
+
+    poll_count=$TEMPEST_GLANCE_IMPORT_POLL_LIMIT
+    while (( poll_count-- > 0 )) ; do
+        sleep $TEMPEST_GLANCE_IMPORT_POLL_INTERVAL
+        get_active_images image_array image_id image_id_alt
+        if (( ${#image_array[*]} >= $TEMPEST_GLANCE_IMAGE_COUNT )) ; then
+            return
+        fi
+    done
+    local msg
+    msg="Polling limit of $TEMPEST_GLANCE_IMPORT_POLL_LIMIT exceeded; "
+    msg+="poll interval was $TEMPEST_GLANCE_IMPORT_POLL_INTERVAL sec"
+    warn $LINENO "$msg"
+}
+
 # configure_tempest() - Set config files, create data dirs, etc
 function configure_tempest {
     if [[ "$INSTALL_TEMPEST" == "True" ]]; then
@@ -168,13 +221,21 @@ function configure_tempest {
     declare -a images
 
     if is_service_enabled glance; then
-        while read -r IMAGE_NAME IMAGE_UUID; do
+        get_active_images images image_uuid image_uuid_alt
-            if [ "$IMAGE_NAME" = "$DEFAULT_IMAGE_NAME" ]; then
+
-                image_uuid="$IMAGE_UUID"
+        if (( ${#images[*]} < $TEMPEST_GLANCE_IMAGE_COUNT )); then
-                image_uuid_alt="$IMAGE_UUID"
+            # Glance image import is asynchronous and may be configured
+            # to do image conversion.  If image import is being used,
+            # it's possible that this code is being executed before the
+            # import has completed and there may be no active images yet.
+            if [[ "$GLANCE_USE_IMPORT_WORKFLOW" == "True" ]]; then
+                poll_glance_images images image_uuid image_uuid_alt
+                if (( ${#images[*]} < $TEMPEST_GLANCE_IMAGE_COUNT )); then
+                    echo "Only found ${#images[*]} image(s), was looking for $TEMPEST_GLANCE_IMAGE_COUNT"
+                    exit 1
+                fi
+            fi
         fi
-            images+=($IMAGE_UUID)
-        done < <(openstack --os-cloud devstack-admin image list --property status=active | awk -F'|' '!/^(+--)|ID|aki|ari/ { print $3,$2 }')
 
         case "${#images[*]}" in
             0)