pacemaker/bug-728579_pacemaker-stonith-dev-id.patch

commit 1e01228825eb8d4449edfbb1a1fa0c38fab4d5e6
Author: Gao,Yan <ygao@suse.com>
Date:   Thu Sep 6 15:14:58 2012 +0800

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

Index: pacemaker/fencing/commands.c
===================================================================
--- pacemaker.orig/fencing/commands.c
+++ pacemaker/fencing/commands.c
@@ -608,6 +608,7 @@ build_device_from_xml(xmlNode * msg)
                  device->id, device->on_target_actions);
     }
 
+    g_hash_table_insert(device->params, strdup(CRM_META "_" F_STONITH_DEVICE), strdup(device->id));
     device->work = mainloop_add_trigger(G_PRIORITY_HIGH, stonith_device_dispatch, device);
     /* TODO: Hook up priority */
 
Index: pacemaker/lib/fencing/st_client.c
===================================================================
--- pacemaker.orig/lib/fencing/st_client.c
+++ pacemaker/lib/fencing/st_client.c
@@ -54,6 +54,7 @@ struct stonith_action_s {
     char *action;
     char *victim;
     char *args;
+    char *dev_id;
     int timeout;
     int async;
     void *userdata;
@@ -559,6 +560,7 @@ stonith_action_destroy(stonith_action_t
     free(action->args);
     free(action->action);
     free(action->victim);
+    free(action->dev_id);
     free(action);
 }
 
@@ -586,6 +588,8 @@ stonith_action_create(const char *agent,
     if (device_args) {
         char buffer[512];
         const char *value = NULL;
+        const char *st_dev_id_key = CRM_META "_" F_STONITH_DEVICE;
+        const char *st_dev_id_value = NULL;
 
         snprintf(buffer, 511, "pcmk_%s_retries", _action);
         value = g_hash_table_lookup(device_args, buffer);
@@ -593,6 +597,11 @@ stonith_action_create(const char *agent,
         if (value) {
             action->max_retries = atoi(value);
         }
+
+        st_dev_id_value = g_hash_table_lookup(device_args, st_dev_id_key);
+        if (st_dev_id_value) {
+            action->dev_id = strdup(st_dev_id_value);
+        }
     }
 
     return action;
@@ -745,6 +754,8 @@ internal_stonith_action_execute(stonith_
 
     if (!pid) {
         /* child */
+        const char *st_dev_id_key = CRM_META "_" F_STONITH_DEVICE;
+
         setpgid(0, 0);
 
         close(1);
@@ -765,6 +776,10 @@ internal_stonith_action_execute(stonith_
         close(p_read_fd);
         close(p_write_fd);
 
+        if (action->dev_id) {
+            setenv(st_dev_id_key, action->dev_id, 1);
+        }
+
         /* keep retries from executing out of control */
         if (is_retry) {
             sleep(1);