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authorCsaba Henk <csaba@redhat.com>2012-05-27 03:56:24 +0530
committerVijay Bellur <vijay@gluster.com>2012-06-13 08:37:41 -0700
commit118ce698e8af425bf75ceab2c9e71cfdaa0ac848 (patch)
tree83c642e4f2b60ffec25cbaf4c18dd08f24dcbcaa /cli/src/cli-cmd-parser.c
parent1877c8ea84adfc6c8943bba806e410de5eba84a7 (diff)
geo-rep: checkpointing
- gluster vol geo-rep M S conf checkpoint <LABEL|now> sets a checkpoint with LABEL (the keyword "now" is special, it's rendered to the label "as of <timestamp of current time>") that's used to refer to the checkpoint in the sequel. (Technically, gsyncd makes a note of the xtime of master's root as of setting the checkpoint, called the "checkpoint target".) - gluster vol geo-rep M S conf \!checkpoint deletes the checkpoint. - gluster vol geo-rep M S stat if status is OK, and there is a checkpoint configured, the checkpoint info is appended to status (either "not yet reached", or "completed at <timestamp of completion>"). (Technically, the worker runs a thread that monitors / serializes / verifies checkpoint status, and answers checkpoint status requests through a UNIX socket; monitoring boils down to querying the xtime of slave's root and comparing with the target.) - gluster vol geo-rep M S conf log-file | xargs grep checkpoint displays the checkpoint history. Set, delete and completion events are logged properly. Change-Id: I4398e0819f1504e6e496b4209e91a0e156e1a0f8 BUG: 826512 Signed-off-by: Csaba Henk <csaba@redhat.com> Reviewed-on: http://review.gluster.com/3491 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Venky Shankar <vshankar@redhat.com>
Diffstat (limited to 'cli/src/cli-cmd-parser.c')
-rw-r--r--cli/src/cli-cmd-parser.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index f447cca..931d89a 100644
--- a/cli/src/cli-cmd-parser.c
+++ b/cli/src/cli-cmd-parser.c
@@ -1577,6 +1577,29 @@ cli_cmd_gsync_set_parse (const char **words, int wordcount, dict_t **options)
}
append_str[append_len - 2] = '\0';
+ /* "checkpoint now" is special: we resolve that "now" */
+ if (strcmp (words[cmdi + 1], "checkpoint") == 0 &&
+ strcmp (append_str, "now") == 0) {
+ struct timeval tv = {0,};
+ struct tm *tm = NULL;
+
+ ret = gettimeofday (&tv, NULL);
+ if (ret == -1)
+ goto out;
+ tm = localtime (&tv.tv_sec);
+
+ GF_FREE (append_str);
+ append_str = GF_CALLOC (1, 300, cli_mt_append_str);
+ if (!append_str) {
+ ret = -1;
+ goto out;
+ }
+ strcpy (append_str, "as of ");
+ strftime (append_str + strlen ("as of "),
+ 300 - strlen ("as of "),
+ "%Y-%m-%d %H:%M:%S", tm);
+ }
+
ret = dict_set_dynstr (dict, "op_value", append_str);
}