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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-utils.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index d4f33f2cefc..f0445cf0b72 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -49,6 +49,11 @@
#include <unistd.h>
#include <fnmatch.h>
#include <sys/statvfs.h>
+#include <ifaddrs.h>
+#ifdef HAVE_BD_XLATOR
+#include <lvm2app.h>
+#endif
+
#ifdef GF_LINUX_HOST_OS
#include <mntent.h>
@@ -622,6 +627,7 @@ glusterd_brickinfo_new_from_brick (char *brick,
char *path = NULL;
char *tmp_host = NULL;
char *tmp_path = NULL;
+ char *vg = NULL;
GF_ASSERT (brick);
GF_ASSERT (brickinfo);
@@ -640,6 +646,17 @@ glusterd_brickinfo_new_from_brick (char *brick,
if (ret)
goto out;
+#ifdef HAVE_BD_XLATOR
+ vg = strchr (path, '?');
+ /* ? is used as a delimiter for vg */
+ if (vg) {
+ strncpy (new_brickinfo->vg, vg + 1, PATH_MAX - 1);
+ *vg = '\0';
+ }
+ new_brickinfo->caps = CAPS_BD;
+#else
+ vg = NULL; /* Avoid compiler warnings when BD not enabled */
+#endif
ret = gf_canonicalize_path (path);
if (ret)
goto out;
@@ -743,6 +760,62 @@ out:
return available;
}
+#ifdef HAVE_BD_XLATOR
+/*
+ * Sets the tag of the format "trusted.glusterfs.volume-id:<uuid>" in
+ * the brick VG. It is used to avoid using same VG for another brick.
+ * @volume-id - gfid, @brick - brick info, @msg - Error message returned
+ * to the caller
+ */
+int
+glusterd_bd_set_vg_tag (unsigned char *volume_id, glusterd_brickinfo_t *brick,
+ char *msg, int msg_size)
+{
+ lvm_t handle = NULL;
+ vg_t vg = NULL;
+ char *uuid = NULL;
+ int ret = -1;
+
+ gf_asprintf (&uuid, "%s:%s", GF_XATTR_VOL_ID_KEY,
+ uuid_utoa (volume_id));
+ if (!uuid) {
+ snprintf (msg, sizeof(*msg), "Could not allocate memory "
+ "for tag");
+ return -1;
+ }
+
+ handle = lvm_init (NULL);
+ if (!handle) {
+ snprintf (msg, sizeof(*msg), "lvm_init failed");
+ goto out;
+ }
+
+ vg = lvm_vg_open (handle, brick->vg, "w", 0);
+ if (!vg) {
+ snprintf (msg, sizeof(*msg), "Could not open VG %s",
+ brick->vg);
+ goto out;
+ }
+
+ if (lvm_vg_add_tag (vg, uuid) < 0) {
+ snprintf (msg, sizeof(*msg), "Could not set tag %s for "
+ "VG %s", uuid, brick->vg);
+ goto out;
+ }
+ lvm_vg_write (vg);
+ ret = 0;
+out:
+ GF_FREE (uuid);
+
+ if (vg)
+ lvm_vg_close (vg);
+ if (handle)
+ lvm_quit (handle);
+
+ return ret;
+}
+#endif
+
int
glusterd_validate_and_create_brickpath (glusterd_brickinfo_t *brickinfo,
uuid_t volume_id, char **op_errstr,
@@ -825,6 +898,14 @@ glusterd_validate_and_create_brickpath (glusterd_brickinfo_t *brickinfo,
}
}
+#ifdef HAVE_BD_XLATOR
+ if (brickinfo->vg[0]) {
+ ret = glusterd_bd_set_vg_tag (volume_id, brickinfo, msg,
+ sizeof(msg));
+ if (ret)
+ goto out;
+ }
+#endif
ret = glusterd_check_and_set_brick_xattr (brickinfo->hostname,
brickinfo->path, volume_id,
op_errstr, is_force);