qemu-iotests: add support for Archipelago protocol

Signed-off-by: Chrysostomos Nanakos <cnanakos@grnet.gr>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

tests/qemu-iotests/common

diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index e4083f4..70df659 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -152,6 +152,7 @@
     -nbd                test nbd
     -ssh                test ssh
     -nfs                test nfs
+    -archipelago        test archipelago
     -xdiff              graphical mode diff
     -nocache            use O_DIRECT on backing file
     -misalign           misalign memory allocations
@@ -263,6 +264,11 @@
             xpand=false
             ;;
 
+        -archipelago)
+            IMGPROTO=archipelago
+            xpand=false
+            ;;
+
         -nocache)
             CACHEMODE="none"
             CACHEMODE_IS_DEFAULT=false

tests/qemu-iotests/common.rc

diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index e0ea7e3..3fd691e 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -64,6 +64,8 @@
 elif [ "$IMGPROTO" = "nfs" ]; then
     TEST_DIR="nfs://127.0.0.1/$TEST_DIR"
     TEST_IMG=$TEST_DIR/t.$IMGFMT
+elif [ "$IMGPROTO" = "archipelago" ]; then
+    TEST_IMG="archipelago:at.$IMGFMT"
 else
     TEST_IMG=$IMGPROTO:$TEST_DIR/t.$IMGFMT
 fi
@@ -163,7 +165,8 @@
             -e "s# lazy_refcounts=\\(on\\|off\\)##g" \
             -e "s# block_size=[0-9]\\+##g" \
             -e "s# block_state_zero=\\(on\\|off\\)##g" \
-            -e "s# log_size=[0-9]\\+##g"
+            -e "s# log_size=[0-9]\\+##g" \
+            -e "s/archipelago:a/TEST_DIR\//g"
 
     # Start an NBD server on the image file, which is what we'll be talking to
     if [ $IMGPROTO = "nbd" ]; then
@@ -206,6 +209,10 @@
             rbd --no-progress rm "$TEST_DIR/t.$IMGFMT" > /dev/null
             ;;
 
+        archipelago)
+            vlmc remove "at.$IMGFMT" > /dev/null
+            ;;
+
         sheepdog)
             collie vdi delete "$TEST_DIR/t.$IMGFMT"
             ;;