commit 543b4337b42f64fa46e2c01b7eb466dc4bd7665b
Author: Gao,Yan <ygao@suse.com>
Date:   Fri Nov 11 14:03:56 2011 +0800

    Medium: stonith: Expose IDs of stonith resources to stonith agents through "$CRM_meta_st_device_id" environment variable

diff --git a/fencing/commands.c b/fencing/commands.c
index 8269d30..103389f 100644
--- a/fencing/commands.c
+++ b/fencing/commands.c
@@ -368,6 +368,8 @@ static stonith_device_t *build_device_from_xml(xmlNode *msg)
     device->agent = crm_element_value_copy(dev, "agent");
     device->namespace = crm_element_value_copy(dev, "namespace");
     device->params = xml2list(dev);
+    
+    g_hash_table_insert(device->params, crm_strdup(CRM_META "_" F_STONITH_DEVICE), crm_strdup(device->id));
     device->work = mainloop_add_trigger(G_PRIORITY_HIGH, stonith_device_dispatch, device);
     /* TODO: Hook up priority */
     
diff --git a/lib/fencing/st_client.c b/lib/fencing/st_client.c
index 205bda8..a16fab9 100644
--- a/lib/fencing/st_client.c
+++ b/lib/fencing/st_client.c
@@ -483,6 +483,8 @@ run_stonith_agent(const char *agent, const char *action, const char *victim,
 
     } else {
         /* child */
+        const char *st_dev_id_key = CRM_META "_" F_STONITH_DEVICE;
+        const char *st_dev_id_value = NULL;
 
         close(1);
         if (dup(c_write_fd) < 0)
@@ -499,6 +501,11 @@ run_stonith_agent(const char *agent, const char *action, const char *victim,
         close(p_read_fd);
         close(p_write_fd);
 
+        st_dev_id_value = g_hash_table_lookup(device_args, st_dev_id_key);
+        if (st_dev_id_value) {
+            setenv(st_dev_id_key, st_dev_id_value, 1);
+        }
+
         execlp(agent, agent, NULL);
         exit(EXIT_FAILURE);
     }