summaryrefslogtreecommitdiffstats
path: root/heal/src/glfs-heal.c
diff options
context:
space:
mode:
authorhari gowtham <hgowtham@redhat.com>2016-04-28 11:48:23 +0530
committerAtin Mukherjee <amukherj@redhat.com>2016-05-08 05:19:50 -0700
commitf0ade919006b2581ae192f997a8ae5bacc2892af (patch)
treea1dbc74cc2b4bab03125f38e0b95eba047ace475 /heal/src/glfs-heal.c
parentabd27041ebcb3c6ee897ad253fc248e3bb1823e6 (diff)
heal/xml : xml implementation of heal info and splitbrain info
Current output: heal didn't have xml output. expected output with patch: gluster v heal v1 info --xml <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <cliOutput> <healInfo> <bricks> <brick hostUuid="3677edbb-0a6a-415e-b0ee-b846ff93259c"> <name>10.70.42.183:/home/bricks/b1</name> <status>Connected</status> <numberOfEntries>0</numberOfEntries> </brick> <brick hostUuid="3677edbb-0a6a-415e-b0ee-b846ff93259c"> <name>10.70.42.183:/home/bricks/b2</name> <status>Connected</status> <numberOfEntries>0</numberOfEntries> </brick> </bricks> </healInfo> <opRet>0</opRet> <opErrno>0</opErrno> <opErrstr/> </cliOutput> gluster v heal v1 info split-brain --xml <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <cliOutput> <healInfo> <bricks> <brick hostUuid="3677edbb-0a6a-415e-b0ee-b846ff93259c"> <name>10.70.42.183:/home/bricks/b1</name> <status>Connected</status> <numberOfEntries>0</numberOfEntries> </brick> <brick hostUuid="3677edbb-0a6a-415e-b0ee-b846ff93259c"> <name>10.70.42.183:/home/bricks/b2</name> <status>Connected</status> <numberOfEntries>0</numberOfEntries> </brick> </bricks> </healInfo> <opRet>0</opRet> <opErrno>0</opErrno> <opErrstr/> </cliOutput> Change-Id: I20ad5eb7950d4721364ab46089e3af515162db82 BUG: 1331287 Signed-off-by: hari gowtham <hgowtham@redhat.com> Reviewed-on: http://review.gluster.org/14100 Reviewed-by: Ravishankar N <ravishankar@redhat.com> Tested-by: Ravishankar N <ravishankar@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.com> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'heal/src/glfs-heal.c')
-rw-r--r--heal/src/glfs-heal.c413
1 files changed, 362 insertions, 51 deletions
diff --git a/heal/src/glfs-heal.c b/heal/src/glfs-heal.c
index 19bf417..9865f53 100644
--- a/heal/src/glfs-heal.c
+++ b/heal/src/glfs-heal.c
@@ -22,17 +22,260 @@
#include <time.h>
#include "glusterfs.h"
+#if (HAVE_LIB_XML)
+#include <libxml/encoding.h>
+#include <libxml/xmlwriter.h>
+
+xmlTextWriterPtr glfsh_writer;
+xmlDocPtr glfsh_doc = NULL;
+#endif
+
+#define XML_RET_CHECK_AND_GOTO(ret, label) do { \
+ if (ret < 0) { \
+ ret = -1; \
+ goto label; \
+ } \
+ else \
+ ret = 0; \
+ } while (0) \
+
+typedef void (*print_status) (dict_t *, char *, uuid_t, uint64_t *,
+ gf_boolean_t flag);
+
+int glfsh_heal_splitbrain_file (glfs_t *fs, xlator_t *top_subvol,
+ loc_t *rootloc, char *file, dict_t *xattr_req);
+
+
+typedef struct glfs_info {
+ int (*init)(void);
+ int (*print_brick_from_xl)(xlator_t *xl, loc_t *rootloc);
+ int (*print_heal_op_status)(int ret, uint64_t num_entries,
+ char *fmt_str);
+ void (*print_heal_status)(char *path, uuid_t gfid, char *status);
+ void (*print_spb_status)(char *path, uuid_t gfid, char *status);
+ int (*end) (int op_ret, char *op_errstr);
+} glfsh_info_t;
+
+glfsh_info_t *glfsh_output = NULL;
+int32_t is_xml;
+
#define DEFAULT_HEAL_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs"
#define USAGE_STR "Usage: %s <VOLNAME> [bigger-file <FILE> | "\
"latest-mtime <FILE> | "\
"source-brick <HOSTNAME:BRICKNAME> [<FILE>] | "\
"split-brain-info]\n"
-typedef void (*print_status) (dict_t *, char *, uuid_t, uint64_t *,
- gf_boolean_t flag);
+int
+glfsh_init ()
+{
+ return 0;
+}
-int glfsh_heal_splitbrain_file (glfs_t *fs, xlator_t *top_subvol,
- loc_t *rootloc, char *file, dict_t *xattr_req);
+int
+glfsh_end (int op_ret, char *op_errstr)
+{
+ if (op_errstr)
+ printf ("%s\n", op_errstr);
+ return 0;
+}
+
+void
+glfsh_print_hr_spb_status (char *path, uuid_t gfid, char *status)
+{
+ printf ("%s\n", path);
+ return;
+}
+
+void
+glfsh_print_hr_heal_status (char *path, uuid_t gfid, char *status)
+{
+ printf ("%s%s\n", path, status);
+}
+
+#if (HAVE_LIB_XML)
+
+int
+glfsh_xml_init ()
+{
+ int ret = -1;
+ glfsh_writer = xmlNewTextWriterDoc (&glfsh_doc, 0);
+ if (glfsh_writer == NULL) {
+ return -1;
+ }
+
+ ret = xmlTextWriterStartDocument (glfsh_writer, "1.0", "UTF-8",
+ "yes");
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ /* <cliOutput> */
+ ret = xmlTextWriterStartElement (glfsh_writer,
+ (xmlChar *)"cliOutput");
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ /* <healInfo> */
+ xmlTextWriterStartElement (glfsh_writer,
+ (xmlChar *)"healInfo");
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+ /* <bricks> */
+ xmlTextWriterStartElement (glfsh_writer,
+ (xmlChar *)"bricks");
+xml_out:
+ return ret;
+}
+
+int
+glfsh_xml_end (int op_ret, char *op_errstr)
+{
+ int ret = -1;
+ int op_errno = 0;
+ gf_boolean_t alloc = _gf_false;
+
+ if (op_ret < 0) {
+ op_errno = -op_ret;
+ op_ret = -1;
+ if (op_errstr == NULL) {
+ op_errstr = gf_strdup (strerror (op_errno));
+ alloc = _gf_true;
+ }
+ } else {
+ op_errstr = NULL;
+ }
+
+ /* </bricks> */
+ ret = xmlTextWriterEndElement (glfsh_writer);
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ /* </healInfo> */
+ ret = xmlTextWriterEndElement (glfsh_writer);
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"opRet", "%d", op_ret);
+
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"opErrno",
+ "%d", op_errno);
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+ if (op_errstr)
+ ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"opErrstr",
+ "%s", op_errstr);
+ else
+ ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"opErrstr",
+ "%s", "");
+ ret = xmlTextWriterEndDocument (glfsh_writer);
+ XML_RET_CHECK_AND_GOTO (ret, xml_out);
+
+
+ /* Dump xml document to stdout and pretty format it */
+ xmlSaveFormatFileEnc ("-", glfsh_doc, "UTF-8", 1);
+
+ xmlFreeTextWriter (glfsh_writer);
+ xmlFreeDoc (glfsh_doc);
+xml_out:
+ if (alloc)
+ GF_FREE (op_errstr);
+ return ret;
+}
+
+int
+glfsh_print_xml_heal_op_status (int ret, uint64_t num_entries, char *fmt_str)
+{
+ if (ret < 0 && num_entries == 0) {
+ xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"status",
+ "%s", strerror (-ret));
+ if (fmt_str) {
+ xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"numberOfEntries",
+ "-");
+ }
+ goto out;
+ } else if (ret == 0) {
+ xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"status",
+ "%s", "Connected");
+ }
+
+ if (ret < 0) {
+ if (fmt_str) {
+ xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"status",
+ "Failed to process entries completely. "
+ "(%s)%s %"PRIu64"", strerror (-ret),
+ fmt_str,
+ num_entries);
+ }
+ } else {
+ if (fmt_str)
+ xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"numberOfEntries",
+ "%"PRIu64"", num_entries);
+ }
+out:
+ return xmlTextWriterEndElement (glfsh_writer);
+}
+
+void
+glfsh_print_xml_file_status (char *path, uuid_t gfid, char *status)
+{
+ xmlTextWriterStartElement (glfsh_writer, (xmlChar *)"file");
+ xmlTextWriterWriteFormatAttribute (glfsh_writer, (xmlChar *)"gfid",
+ "%s", uuid_utoa (gfid));
+ xmlTextWriterWriteFormatString (glfsh_writer, "%s", path);
+ xmlTextWriterEndElement (glfsh_writer);
+ return;
+}
+
+int
+glfsh_print_xml_brick_from_xl (xlator_t *xl, loc_t *rootloc)
+{
+ char *remote_host = NULL;
+ char *remote_subvol = NULL;
+ char *uuid = NULL;
+ int ret = 0;
+ int x_ret = 0;
+
+ ret = dict_get_str (xl->options, "remote-host", &remote_host);
+ if (ret < 0)
+ goto print;
+
+ ret = dict_get_str (xl->options, "remote-subvolume", &remote_subvol);
+ if (ret < 0)
+ goto print;
+ ret = syncop_getxattr (xl, rootloc, &xl->options,
+ GF_XATTR_NODE_UUID_KEY, NULL, NULL);
+ if (ret < 0)
+ goto print;
+
+ ret = dict_get_str (xl->options, GF_XATTR_NODE_UUID_KEY, &uuid);
+ if (ret < 0)
+ goto print;
+print:
+
+ x_ret = xmlTextWriterStartElement (glfsh_writer, (xmlChar *)"brick");
+ XML_RET_CHECK_AND_GOTO (x_ret, xml_out);
+ x_ret = xmlTextWriterWriteFormatAttribute (glfsh_writer,
+ (xmlChar *)"hostUuid", "%s", uuid?uuid:"-");
+ XML_RET_CHECK_AND_GOTO (x_ret, xml_out);
+
+ if (ret < 0) {
+ x_ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"name", "%s", "information not available");
+ XML_RET_CHECK_AND_GOTO (x_ret, xml_out);
+ } else {
+ x_ret = xmlTextWriterWriteFormatElement (glfsh_writer,
+ (xmlChar *)"name", "%s:%s", remote_host, remote_subvol);
+ XML_RET_CHECK_AND_GOTO (x_ret, xml_out);
+ }
+xml_out:
+ return ret;
+}
+#endif
int
glfsh_link_inode_update_loc (loc_t *loc, struct iatt *iattr)
@@ -51,25 +294,14 @@ out:
return ret;
}
-
-void
-glfsh_print_heal_op_status (int ret, uint64_t num_entries,
- gf_xl_afr_op_t heal_op)
+int
+glfsh_print_hr_heal_op_status (int ret, uint64_t num_entries, char *fmt_str)
{
- char *fmt_str = NULL;
-
- if (heal_op == GF_SHD_OP_INDEX_SUMMARY)
- fmt_str = "Number of entries:";
- else if (heal_op == GF_SHD_OP_SPLIT_BRAIN_FILES)
- fmt_str = "Number of entries in split-brain:";
- else if (heal_op == GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK)
- fmt_str = "Number of healed entries:";
-
if (ret < 0 && num_entries == 0) {
printf ("Status: %s\n", strerror (-ret));
if (fmt_str)
printf ("%s -\n", fmt_str);
- return;
+ goto out;
} else if (ret == 0) {
printf ("Status: Connected\n");
}
@@ -77,13 +309,31 @@ glfsh_print_heal_op_status (int ret, uint64_t num_entries,
if (ret < 0) {
if (fmt_str)
printf ("Status: Failed to process entries completely. "
- "(%s)\n%s: %"PRIu64"\n",
+ "(%s)\n%s %"PRIu64"\n",
strerror (-ret), fmt_str, num_entries);
} else {
if (fmt_str)
printf ("%s %"PRIu64"\n", fmt_str, num_entries);
}
- return;
+out:
+ printf ("\n");
+ return 0;
+}
+
+int
+glfsh_print_heal_op_status (int ret, uint64_t num_entries,
+ gf_xl_afr_op_t heal_op)
+{
+ char *fmt_str = NULL;
+
+ if (heal_op == GF_SHD_OP_INDEX_SUMMARY)
+ fmt_str = "Number of entries:";
+ else if (heal_op == GF_SHD_OP_SPLIT_BRAIN_FILES)
+ fmt_str = "Number of entries in split-brain:";
+ else if (heal_op == GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK)
+ fmt_str = "Number of healed entries:";
+
+ return glfsh_output->print_heal_op_status (ret, num_entries, fmt_str);
}
int
@@ -179,6 +429,7 @@ glfsh_print_spb_status (dict_t *dict, char *path, uuid_t gfid,
gf_boolean_t pending = _gf_false;
gf_boolean_t split_b = _gf_false;
char *value = NULL;
+ char gfid_str[64] = {0};
ret = dict_get_str (dict, "heal-info", &value);
if (ret)
@@ -199,8 +450,9 @@ glfsh_print_spb_status (dict_t *dict, char *path, uuid_t gfid,
if (split_b) {
if (!flag || (flag && !pending)) {
(*num_entries)++;
- printf ("%s\n",
- path ? path : uuid_utoa (gfid));
+ glfsh_output->print_spb_status (path ? path :
+ uuid_utoa_r (gfid, gfid_str),
+ gfid, NULL);
}
}
return;
@@ -214,6 +466,7 @@ glfsh_print_heal_status (dict_t *dict, char *path, uuid_t gfid,
gf_boolean_t pending = _gf_false;
char *status = NULL;
char *value = NULL;
+ char gfid_str[64] = {0};
ret = dict_get_str (dict, "heal-info", &value);
if (ret || (!strcmp (value, "no-heal")))
@@ -267,8 +520,10 @@ out:
status = NULL;
(*num_entries)++;
- printf ("%s%s\n",
- path ? path : uuid_utoa (gfid), status ? status : "");
+ glfsh_output->print_heal_status (path ? path :
+ uuid_utoa_r (gfid, gfid_str),
+ gfid,
+ status ? status : "");
GF_FREE (status);
return;
@@ -418,7 +673,7 @@ out:
}
static int
-glfsh_print_brick_from_xl (xlator_t *xl)
+glfsh_print_brick_from_xl (xlator_t *xl, loc_t *rootloc)
{
char *remote_host = NULL;
char *remote_subvol = NULL;
@@ -478,7 +733,7 @@ out:
return ret;
}
-void
+int
glfsh_print_pending_heals (glfs_t *fs, xlator_t *top_subvol, loc_t *rootloc,
xlator_t *xl, gf_xl_afr_op_t heal_op, gf_boolean_t
is_parent_replicate)
@@ -491,12 +746,11 @@ glfsh_print_pending_heals (glfs_t *fs, xlator_t *top_subvol, loc_t *rootloc,
xattr_req = dict_new();
if (!xattr_req)
goto out;
-
ret = dict_set_int32 (xattr_req, "heal-op", heal_op);
if (ret)
goto out;
- ret = glfsh_print_brick_from_xl (xl);
+ ret = glfsh_output->print_brick_from_xl (xl, rootloc);
if (ret < 0)
goto out;
@@ -520,7 +774,8 @@ out:
if (xattr_req)
dict_unref (xattr_req);
glfsh_print_heal_op_status (ret, total, heal_op);
- return;
+ return ret;
+
}
static int
@@ -607,7 +862,6 @@ glfsh_gather_heal_info (glfs_t *fs, xlator_t *top_subvol, loc_t *rootloc,
(heal_xl->type,
"cluster/replicate"));
THIS = old_THIS;
- printf ("\n");
}
}
@@ -842,6 +1096,27 @@ cleanup (glfs_t *fs)
#endif
}
+
+glfsh_info_t glfsh_human_readable = {
+ .init = glfsh_init,
+ .print_brick_from_xl = glfsh_print_brick_from_xl,
+ .print_heal_op_status = glfsh_print_hr_heal_op_status,
+ .print_heal_status = glfsh_print_hr_heal_status,
+ .print_spb_status = glfsh_print_hr_spb_status,
+ .end = glfsh_end
+};
+
+#if (HAVE_LIB_XML)
+glfsh_info_t glfsh_xml_output = {
+ .init = glfsh_xml_init,
+ .print_brick_from_xl = glfsh_print_xml_brick_from_xl,
+ .print_heal_op_status = glfsh_print_xml_heal_op_status,
+ .print_heal_status = glfsh_print_xml_file_status,
+ .print_spb_status = glfsh_print_xml_file_status,
+ .end = glfsh_xml_end
+};
+#endif
+
int
main (int argc, char **argv)
{
@@ -854,6 +1129,7 @@ main (int argc, char **argv)
char *hostname = NULL;
char *path = NULL;
char *file = NULL;
+ char *op_errstr = NULL;
gf_xl_afr_op_t heal_op = -1;
if (argc < 2) {
@@ -861,6 +1137,7 @@ main (int argc, char **argv)
ret = -1;
goto out;
}
+
volname = argv[1];
switch (argc) {
case 2:
@@ -869,6 +1146,9 @@ main (int argc, char **argv)
case 3:
if (!strcmp (argv[2], "split-brain-info")) {
heal_op = GF_SHD_OP_SPLIT_BRAIN_FILES;
+ } else if (!strcmp (argv[2], "xml")) {
+ heal_op = GF_SHD_OP_INDEX_SUMMARY;
+ is_xml = 1;
} else {
printf (USAGE_STR, argv[0]);
ret = -1;
@@ -876,7 +1156,11 @@ main (int argc, char **argv)
}
break;
case 4:
- if (!strcmp (argv[2], "bigger-file")) {
+ if ((!strcmp (argv[2], "split-brain-info"))
+ && (!strcmp (argv[3], "xml"))) {
+ heal_op = GF_SHD_OP_SPLIT_BRAIN_FILES;
+ is_xml = 1;
+ } else if (!strcmp (argv[2], "bigger-file")) {
heal_op = GF_SHD_OP_SBRAIN_HEAL_FROM_BIGGER_FILE;
file = argv[3];
} else if (!strcmp (argv[2], "latest-mtime")) {
@@ -910,10 +1194,26 @@ main (int argc, char **argv)
goto out;
}
+ glfsh_output = &glfsh_human_readable;
+ if (is_xml) {
+#if (HAVE_LIB_XML)
+ glfsh_output = &glfsh_xml_output;
+#else
+ /*No point doing anything, just fail the command*/
+ exit (EXIT_FAILURE);
+#endif
+
+ }
+
+ ret = glfsh_output->init ();
+ if (ret)
+ exit (EXIT_FAILURE);
+
fs = glfs_new (volname);
if (!fs) {
- ret = -1;
- printf ("Not able to initialize volume '%s'\n", volname);
+ ret = -errno;
+ gf_asprintf (&op_errstr, "Not able to initialize volume '%s'",
+ volname);
goto out;
}
@@ -923,49 +1223,56 @@ main (int argc, char **argv)
ret = glfs_set_volfile_server (fs, "unix", DEFAULT_GLUSTERD_SOCKFILE, 0);
if (ret) {
- printf("Setting the volfile server failed, %s\n", strerror (errno));
+ ret = -errno;
+ gf_asprintf (&op_errstr, "Setting the volfile server failed, "
+ "%s", strerror (errno));
goto out;
}
snprintf (logfilepath, sizeof (logfilepath),
DEFAULT_HEAL_LOG_FILE_DIRECTORY"/glfsheal-%s.log", volname);
ret = glfs_set_logging(fs, logfilepath, GF_LOG_INFO);
if (ret < 0) {
- printf ("Failed to set the log file path, %s\n", strerror (errno));
+ ret = -errno;
+ gf_asprintf (&op_errstr, "Failed to set the log file path, "
+ "%s", strerror (errno));
goto out;
}
ret = glfs_init (fs);
if (ret < 0) {
- ret = -1;
+ ret = -errno;
if (errno == ENOENT) {
- printf ("Volume %s does not exist\n", volname);
- }
- else {
- printf ("%s: Not able to fetch volfile from "
- "glusterd\n", volname);
+ gf_asprintf (&op_errstr, "Volume %s does not exist",
+ volname);
+ } else {
+ gf_asprintf (&op_errstr, "%s: Not able to fetch "
+ "volfile from glusterd", volname);
}
goto out;
}
top_subvol = glfs_active_subvol (fs);
if (!top_subvol) {
- ret = -1;
+ ret = -errno;
if (errno == ENOTCONN) {
- printf ("Volume %s is not started (Or) All the bricks "
- "are not running.\n", volname);
+ gf_asprintf (&op_errstr, "Volume %s is not started "
+ "(Or) All the bricks are not "
+ "running.", volname);
}
else {
- printf ("%s: Not able to mount the volume, %s\n",
- volname, strerror (errno));
+ gf_asprintf (&op_errstr, "%s: Not able to mount the "
+ "volume, %s", volname,
+ strerror (errno));
}
goto out;
}
ret = glfsh_validate_volume (top_subvol, heal_op);
if (ret < 0) {
- printf ("Volume %s is not of type %s\n", volname,
- (heal_op == GF_SHD_OP_INDEX_SUMMARY) ?
- "replicate/disperse":"replicate");
+ ret = -EINVAL;
+ gf_asprintf (&op_errstr, "Volume %s is not of type %s", volname,
+ (heal_op == GF_SHD_OP_INDEX_SUMMARY) ?
+ "replicate/disperse":"replicate");
goto out;
}
rootloc.inode = inode_ref (top_subvol->itable->root);
@@ -987,10 +1294,11 @@ main (int argc, char **argv)
hostname, path, file);
break;
default:
- ret = -1;
+ ret = -EINVAL;
break;
}
+ glfsh_output->end (ret, NULL);
loc_wipe (&rootloc);
glfs_subvol_done (fs, top_subvol);
cleanup (fs);
@@ -1001,6 +1309,9 @@ out:
glfs_subvol_done (fs, top_subvol);
loc_wipe (&rootloc);
cleanup (fs);
-
+ if (glfsh_output)
+ glfsh_output->end (ret, op_errstr);
+ if (op_errstr)
+ GF_FREE (op_errstr);
return ret;
}