Fix iSCSI image

- create 120MB LUN instead of 1MB for volume_io tests
- increase verbosity
- rebase to Fedora 26
  - targetcli now requires running dbus, so run it

test/images/volumes-tester/iscsi/Dockerfile

@@ -12,8 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM fedora
-RUN yum install -y iscsi-initiator-utils targetcli net-tools strace && yum clean all
+FROM fedora:26
+
+RUN yum install -y iscsi-initiator-utils targetcli net-tools strace procps-ng psmisc && yum clean all
 ADD run_iscsid.sh /usr/local/bin/
 ADD initiatorname.iscsi /etc/iscsi/
 ADD block.tar.gz /

test/images/volumes-tester/iscsi/Makefile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-TAG = 0.1
+TAG = 0.2
 PREFIX = staging-k8s.gcr.io
 
 all: push

test/images/volumes-tester/iscsi/create_block.sh

@@ -33,8 +33,9 @@ cleanup()
 
 trap cleanup TERM EXIT
 
-# Create 1MB device with ext2
-dd if=/dev/zero of=block count=1 bs=1M
+# Create 120MB device with ext2
+# (volume_io tests need at least 100MB)
+dd if=/dev/zero of=block seek=120 count=1 bs=1M
 mkfs.ext2 block
 
 # Add index.html to it

test/images/volumes-tester/iscsi/run_iscsid.sh

@@ -16,16 +16,26 @@
 
 function start()
 {
+    # targetcli need dbus
+    mkdir /run/dbus
+    dbus-daemon  --system
+
+    # clear any previous configuration
+    targetcli clearconfig confirm=True
+
+    # restore configuration from saveconfig.json
     targetcli restoreconfig
-    iscsid
+
+    # maximum log level
+    iscsid -f -d 8
+
     echo "iscsid started"
 }
 
 function stop()
 {
     echo "Stopping iscsid"
-
-    kill $( cat /var/run/iscsid.pid )
+    killall iscsid
     targetcli clearconfig confirm=True
 
     echo "iscsid stopped"

test/images/volumes-tester/iscsi/saveconfig.json

@@ -32,7 +32,7 @@
       "dev": "block",
       "name": "block",
       "plugin": "fileio",
-      "size": 1048576,
+      "size": 126877696,
       "write_back": true,
       "wwn": "521c57aa-9d9b-4e5d-ab1a-527487f92a33"
     }

test/utils/image/manifest.go

@@ -94,7 +94,7 @@ var (
 	ServeHostname       = ImageConfig{e2eRegistry, "serve-hostname", "1.0", true}
 	TestWebserver       = ImageConfig{e2eRegistry, "test-webserver", "1.0", true}
 	VolumeNFSServer     = ImageConfig{gcRegistry, "volume-nfs", "0.8", false}
-	VolumeISCSIServer   = ImageConfig{gcRegistry, "volume-icsci", "0.1", false}
+	VolumeISCSIServer   = ImageConfig{gcRegistry, "volume-iscsi", "0.2", false}
 	VolumeGlusterServer = ImageConfig{gcRegistry, "volume-gluster", "0.2", false}
 	VolumeCephServer    = ImageConfig{gcRegistry, "volume-ceph", "0.1", false}
 	VolumeRBDServer     = ImageConfig{gcRegistry, "volume-rbd", "0.1", false}