blueprint host-aggregates

add some inital tests for the host-aggregates blueprint

Change-Id: I0c07f2e7fd123bbda6d26f4ff64bea3949e57157
diff --git a/exercises/aggregates.sh b/exercises/aggregates.sh
new file mode 100755
index 0000000..38fac12
--- /dev/null
+++ b/exercises/aggregates.sh
@@ -0,0 +1,141 @@
+#!/usr/bin/env bash
+
+# **aggregates.sh**
+
+# This script demonstrates how to use host aggregates:
+#  *  Create an Aggregate
+#  *  Updating Aggregate details
+#  *  Testing Aggregate metadata
+#  *  Testing Aggregate delete
+#  *  TODO(johngar) - test adding a host (idealy with two hosts)
+
+echo "**************************************************"
+echo "Begin DevStack Exercise: $0"
+echo "**************************************************"
+
+# This script exits on an error so that errors don't compound and you see
+# only the first error that occured.
+set -o errexit
+
+# Print the commands being run so that we can see the command that triggers
+# an error.  It is also useful for following allowing as the install occurs.
+set -o xtrace
+
+
+# Settings
+# ========
+
+# Keep track of the current directory
+EXERCISE_DIR=$(cd $(dirname "$0") && pwd)
+TOP_DIR=$(cd $EXERCISE_DIR/..; pwd)
+
+# Import common functions
+source $TOP_DIR/functions
+
+# Import configuration
+source $TOP_DIR/openrc
+
+# Import exercise configuration
+source $TOP_DIR/exerciserc
+
+# run test as the admin user
+_OLD_USERNAME=$OS_USERNAME
+OS_USERNAME=admin
+
+
+# Create an aggregate
+# ===================
+
+AGGREGATE_NAME=test_aggregate_$RANDOM
+AGGREGATE_A_ZONE=nova
+
+exit_if_aggregate_present() {
+    aggregate_name=$1
+
+    if [ `nova aggregate-list | grep -c " $aggregate_name "` == 0 ]; then
+        echo "SUCCESS $aggregate_name not present"
+    else
+        echo "ERROR found aggregate: $aggregate_name"
+        exit -1
+    fi
+}
+
+exit_if_aggregate_present $AGGREGATE_NAME
+
+AGGREGATE_ID=`nova aggregate-create $AGGREGATE_NAME $AGGREGATE_A_ZONE | grep " $AGGREGATE_NAME " | get_field 1`
+
+# check aggregate created
+nova aggregate-list | grep -q " $AGGREGATE_NAME " || die "Aggregate $AGGREGATE_NAME not created"
+
+
+# Ensure creating a duplicate fails
+# =================================
+
+if nova aggregate-create $AGGREGATE_NAME $AGGREGATE_A_ZONE; then
+    echo "ERROR could create duplicate aggregate"
+    exit -1
+fi
+
+
+# Test aggregate-update (and aggregate-details)
+# =============================================
+AGGREGATE_NEW_NAME=test_aggregate_$RANDOM
+
+nova aggregate-update $AGGREGATE_ID $AGGREGATE_NEW_NAME
+nova aggregate-details $AGGREGATE_ID | grep $AGGREGATE_NEW_NAME
+nova aggregate-details $AGGREGATE_ID | grep $AGGREGATE_A_ZONE
+
+nova aggregate-update $AGGREGATE_ID $AGGREGATE_NAME $AGGREGATE_A_ZONE
+nova aggregate-details $AGGREGATE_ID | grep $AGGREGATE_NAME
+nova aggregate-details $AGGREGATE_ID | grep $AGGREGATE_A_ZONE
+
+
+# Test aggregate-set-metadata
+# ===========================
+META_DATA_1_KEY=asdf
+META_DATA_2_KEY=foo
+META_DATA_3_KEY=bar
+
+#ensure no metadata is set
+nova aggregate-details $AGGREGATE_ID | grep {}
+
+nova aggregate-set-metadata $AGGREGATE_ID ${META_DATA_1_KEY}=123
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_1_KEY
+nova aggregate-details $AGGREGATE_ID | grep 123
+
+nova aggregate-set-metadata $AGGREGATE_ID ${META_DATA_2_KEY}=456
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_1_KEY
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_2_KEY
+
+nova aggregate-set-metadata $AGGREGATE_ID $META_DATA_2_KEY ${META_DATA_3_KEY}=789
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_1_KEY
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_3_KEY
+
+nova aggregate-details $AGGREGATE_ID | grep $META_DATA_2_KEY && die "ERROR metadata was not cleared"
+
+nova aggregate-set-metadata $AGGREGATE_ID $META_DATA_3_KEY $META_DATA_1_KEY
+nova aggregate-details $AGGREGATE_ID | grep {}
+
+
+# Test aggregate-add/remove-host
+# ==============================
+if [ "$VIRT_DRIVER" == "xenserver" ]; then
+    echo "TODO(johngarbutt) add tests for add/remove host from aggregate"
+fi
+
+
+# Test aggregate-delete
+# =====================
+nova aggregate-delete $AGGREGATE_ID
+exit_if_aggregate_present $AGGREGATE_NAME
+
+
+# Test complete
+# =============
+OS_USERNAME=$_OLD_USERNAME
+echo "AGGREGATE TEST PASSED"
+
+set +o xtrace
+echo "**************************************************"
+echo "End DevStack Exercise: $0"
+echo "**************************************************"