If multipath notices that multipath devices exist or were created, and
multipathd is not running, it now prints a warning message, so users are
notified of the issue.
Signed-off-by: Benjamin Marzinski <bmarz...@redhat.com>
---
libmultipath/configure.c | 3 ++-
libmultipath/configure.h | 1 +
libmultipath/libmultipath.version | 5 +++++
multipath/main.c | 14 ++++++++++++--
4 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/libmultipath/configure.c b/libmultipath/configure.c
index 12278640..2f417914 100644
--- a/libmultipath/configure.c
+++ b/libmultipath/configure.c
@@ -1082,7 +1082,8 @@ deadmap (struct multipath * mpp)
return 1; /* dead */
}
-int check_daemon(void)
+extern int
+check_daemon(void)
{
int fd;
char *reply;
diff --git a/libmultipath/configure.h b/libmultipath/configure.h
index 92a5aba6..efe18b7d 100644
--- a/libmultipath/configure.h
+++ b/libmultipath/configure.h
@@ -59,3 +59,4 @@ struct udev_device *get_udev_device(const char *dev, enum
devtypes dev_type);
void trigger_paths_udev_change(struct multipath *mpp, bool is_mpath);
void trigger_partitions_udev_change(struct udev_device *dev, const char
*action,
int len);
+int check_daemon(void);
diff --git a/libmultipath/libmultipath.version
b/libmultipath/libmultipath.version
index 1d84d97c..7b48265f 100644
--- a/libmultipath/libmultipath.version
+++ b/libmultipath/libmultipath.version
@@ -285,3 +285,8 @@ global:
print_strbuf;
truncate_strbuf;
} LIBMULTIPATH_8.0.0;
+
+LIBMULTIPATH_8.2.0 {
+global:
+ check_daemon;
+} LIBMULTIPATH_8.1.0;
diff --git a/multipath/main.c b/multipath/main.c
index 8fc0e15f..6c70760f 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -456,6 +456,7 @@ configure (struct config *conf, enum mpath_cmds cmd,
{
vector curmp = NULL;
vector pathvec = NULL;
+ vector newmp = NULL;
int r = RTVL_FAIL, rc;
int di_flag = 0;
char * refwwid = NULL;
@@ -466,8 +467,9 @@ configure (struct config *conf, enum mpath_cmds cmd,
*/
curmp = vector_alloc();
pathvec = vector_alloc();
+ newmp = vector_alloc();
- if (!curmp || !pathvec) {
+ if (!curmp || !pathvec || !newmp) {
condlog(0, "can not allocate memory");
goto out;
}
@@ -569,16 +571,24 @@ configure (struct config *conf, enum mpath_cmds cmd,
/*
* core logic entry point
*/
- rc = coalesce_paths(&vecs, NULL, refwwid,
+ rc = coalesce_paths(&vecs, newmp, refwwid,
conf->force_reload, cmd);
r = rc == CP_RETRY ? RTVL_RETRY : rc == CP_OK ? RTVL_OK : RTVL_FAIL;
out:
+ if (r == RTVL_OK &&
+ (cmd == CMD_LIST_SHORT || cmd == CMD_LIST_LONG ||
+ cmd == CMD_CREATE) &&
+ (VECTOR_SIZE(curmp) > 0 || VECTOR_SIZE(newmp) > 0) &&
+ !check_daemon())
+ condlog(2, "Warning: multipath devices exist, but multipathd
service is not running");
+
if (refwwid)
FREE(refwwid);
free_multipathvec(curmp, KEEP_PATHS);
vecs.mpvec = NULL;
+ free_multipathvec(newmp, KEEP_PATHS);
free_pathvec(pathvec, FREE_PATHS);
vecs.pathvec = NULL;
--
2.17.2
--
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