# HG changeset patch
# User David Scott <dave.scott@xxxxxxxxxxxxx>
# Date 1269807185 -3600
# Node ID 3eb795a365a3c3f77c395a33d7cbd8f5932d2dcd
# Parent  e1ff2ddf639451cf2e58d86fefe2425288059a18
CA-36278: add short test for the redo log functionality

Signed-off-by: David Scott <dave.scott@xxxxxxxxxxxxx>

diff -r e1ff2ddf6394 -r 3eb795a365a3 scripts/tests-metadata-alert
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/tests-metadata-alert	Sun Mar 28 21:13:05 2010 +0100
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# Test repeatedly blocking and unblocking iSCSI and verifying that we get
+# METADATA_LUN_{BROKEN,HEALTHY} alerts.
+
+# NB the METADATA_LUN must be turned on already.
+
+set -e
+
+pool=$(xe pool-list params=uuid --minimal)
+
+clear_messages() {
+  IFS=","; for message in $(xe message-list params=uuid --minimal); do
+    xe message-destroy uuid=$message
+  done
+}
+
+block(){
+  echo "Blocking LUN"
+  iptables -I OUTPUT -p tcp --dport 3260 -j DROP
+}
+
+unblock(){
+  echo "Unblocking LUN"
+  iptables -F
+}
+
+wait_for_message() {
+  local healthy=$1
+  if [ ${healthy} -eq 1 ]; then
+     echo "Waiting for LUN healthy"
+  else
+     echo "Waiting for LUN broken"
+  fi
+  for((retry=1;retry<600;retry++)); do
+    # Prodding the system with a write here seems to "unstick" it:
+    xe pool-param-set uuid=${pool} other-config:attempt=${retry}
+    finished=1
+    IFS=","; for message in $(xe message-list params=uuid --minimal); do
+      name=$(xe message-list uuid=$message params=name --minimal)
+      echo "Examining ${name}"
+      if [ "${name}" = "METADATA_LUN_HEALTHY" ]; then
+         if [ ${healthy} -eq 1 ]; then
+	     echo "${name}-- expected (${retry} s)";
+	     return 0
+         else
+	     echo "${name}-- unexpected";
+             return 1
+         fi
+      fi
+      if [ "${name}" = "METADATA_LUN_BROKEN" ]; then
+         if [ ${healthy} -eq 1 ]; then
+	     echo "${name}-- unexpected";
+             return 1
+         else
+	     echo "${name}-- expected (${retry} s)";
+             return 0
+	 fi
+      fi
+    done
+    echo -n .
+    sleep 1s
+  done
+  return 1
+}
+
+for ((i=0;i<1000;i++));
+do
+  echo Iteration $i
+  xe pool-param-set uuid=${pool} name-description=1
+  clear_messages
+  block
+  xe pool-param-set uuid=${pool} name-description=2
+  wait_for_message 0
+  clear_messages
+  unblock
+  xe pool-param-set uuid=${pool} name-description=3
+  wait_for_message 1
+done
\ No newline at end of file