diff options
author | shishir gowda <shishirng@gluster.com> | 2011-05-27 03:37:14 +0000 |
---|---|---|
committer | Anand Avati <avati@gluster.com> | 2011-05-31 22:52:26 -0700 |
commit | a3bd6682c3ca9e083ed0de8da8ef42bbaa86416f (patch) | |
tree | d5a65c6d9a9cc8062102307b0a42f34b41bde99b /xlators/mgmt/glusterd/src/glusterd-utils.c | |
parent | ef39bf9d233b39ea616e62b52ee6de69d06f9c8d (diff) |
glusterd: add upgrade/downgrade xlator options
If started with upgrade-option, the current behavior is to recreate
brick volfiles, as from 3.2 marker xlator is default.
downgrade option is not functionally supported.
Signed-off-by: shishir gowda <shishirng@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>
BUG: 2904 (glusterd should have upgrade/downgrade xlator options)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2904
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-utils.c')
-rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index beb7b0d3f..8cb8f8f83 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -3361,3 +3361,67 @@ out: gf_log ("", GF_LOG_DEBUG, "Returning %d", ret); return ret; } + +int32_t +glusterd_recreate_bricks (glusterd_conf_t *conf) +{ + + glusterd_volinfo_t *volinfo = NULL; + int ret = 0; + + GF_ASSERT (conf); + list_for_each_entry (volinfo, &conf->volumes, vol_list) { + ret = generate_brick_volfiles (volinfo); + } + return ret; +} + +int32_t +glusterd_handle_upgrade_downgrade (dict_t *options, glusterd_conf_t *conf) +{ + int ret = 0; + char *type = NULL; + gf_boolean_t upgrade = _gf_false; + gf_boolean_t downgrade = _gf_false; + gf_boolean_t regenerate_brick_volfiles = _gf_false; + + ret = dict_get_str (options, "upgrade", &type); + if (!ret) { + ret = gf_string2boolean (type, &upgrade); + if (ret) { + gf_log ("glusterd", GF_LOG_ERROR, "upgrade option " + "%s is not a valid boolean type", type); + ret = -1; + goto out; + } + if (_gf_true == upgrade) + regenerate_brick_volfiles = _gf_true; + } + + ret = dict_get_str (options, "downgrade", &type); + + if (!ret) { + ret = gf_string2boolean (type, &downgrade); + if (ret) { + gf_log ("glusterd", GF_LOG_ERROR, "downgrade option " + "%s is not a valid boolean type", type); + ret = -1; + goto out; + } + } + + if (upgrade && downgrade) { + gf_log ("glusterd", GF_LOG_ERROR, "Both upgrade and downgrade" + " options are set. Only one should be on"); + ret = -1; + goto out; + } + + if (!upgrade && !downgrade) + ret = 0; + if (regenerate_brick_volfiles) { + ret = glusterd_recreate_bricks (conf); + } +out: + return ret; +} |