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authorKaushal M <kaushal@redhat.com>2013-07-03 16:31:22 +0530
committerVijay Bellur <vbellur@redhat.com>2013-10-17 11:26:45 -0700
commitfc637b14cfad4d08e72bee7064194c8007a388d0 (patch)
treebd74a24f8138f1b68ca6dfd18084e4d6fa7f079f /cli/src
parent390221fcc4cc974074750be223e551bd9f4405d9 (diff)
cli,glusterd: Changes to cli-glusterd communication
Glusterd changes: With this patch, glusterd creates a socket file in DATADIR/run/glusterd.socket , and listen on it for cli requests. It listens for 2 rpc programs on the socket file, - The glusterd cli rpc program, for all cli commands - A reduced glusterd handshake program, just for the 'system:: getspec' command The location of the socket file can be changed with the glusterd option 'glusterd-sockfile'. To retain compatibility with the '--remote-host' cli option, glusterd also listens for the cli requests on port 24007. But, for the sake of security, it listens using a reduced cli rpc program on the port. The reduced rpc program only contains read-only procs used for 'volume (info|list|status)', 'peer status' and 'system:: getwd' cli commands. CLI changes: The gluster cli now uses the glusterd socket file for communicating with glusterd by default. A new option '--gluster-sock' has been added to allow specifying the sockfile used to connect. Using the '--remote-host' option will make cli connect to the given host & port. Tests changes: cluster.rc has been modified to make use of socket files and use different log files for each glusterd. Some of the tests using cluster.rc have been fixed. Change-Id: Iaf24bc22f42f8014a5fa300ce37c7fc9b1b92b53 BUG: 980754 Signed-off-by: Kaushal M <kaushal@redhat.com> Reviewed-on: http://review.gluster.org/5280 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'cli/src')
-rw-r--r--cli/src/cli.c56
-rw-r--r--cli/src/cli.h2
2 files changed, 44 insertions, 14 deletions
diff --git a/cli/src/cli.c b/cli/src/cli.c
index f87038b..91b315f 100644
--- a/cli/src/cli.c
+++ b/cli/src/cli.c
@@ -353,6 +353,12 @@ cli_opt_parse (char *opt, struct cli_state *state)
return 0;
}
+ oarg = strtail (opt, "glusterd-sock=");
+ if (oarg) {
+ state->glusterd_sock = oarg;
+ return 0;
+ }
+
return -1;
}
@@ -414,7 +420,6 @@ cli_state_init (struct cli_state *state)
int ret = 0;
- state->remote_host = "localhost";
state->log_level = -1;
tree = &state->tree;
@@ -501,23 +506,46 @@ cli_rpc_init (struct cli_state *state)
if (!options)
goto out;
- ret = dict_set_str (options, "remote-host", state->remote_host);
- if (ret)
- goto out;
+ /* Connect using to glusterd using the specified method, giving
+ * preference to unix socket connection. If nothing is specified connect
+ * to the default glusterd socket
+ */
+ if (state->glusterd_sock) {
+ gf_log ("cli", GF_LOG_INFO, "Connecting to glusterd using "
+ "sockfile %s", state->glusterd_sock);
+ ret = rpc_transport_unix_options_build (&options,
+ state->glusterd_sock,
+ 0);
+ if (ret)
+ goto out;
+ } else if (state->remote_host) {
+ gf_log ("cli", GF_LOG_INFO, "Connecting to remote glusterd at "
+ "%s", state->remote_host);
+ ret = dict_set_str (options, "remote-host", state->remote_host);
+ if (ret)
+ goto out;
- if (state->remote_port)
- port = state->remote_port;
+ if (state->remote_port)
+ port = state->remote_port;
- ret = dict_set_int32 (options, "remote-port", port);
- if (ret)
- goto out;
+ ret = dict_set_int32 (options, "remote-port", port);
+ if (ret)
+ goto out;
- ret = dict_set_str (options, "transport.address-family", "inet");
- if (ret)
- goto out;
+ ret = dict_set_str (options, "transport.address-family",
+ "inet");
+ if (ret)
+ goto out;
+ } else {
+ gf_log ("cli", GF_LOG_DEBUG, "Connecting to glusterd using "
+ "default socket");
+ ret = rpc_transport_unix_options_build
+ (&options, DEFAULT_GLUSTERD_SOCKFILE, 0);
+ if (ret)
+ goto out;
+ }
rpc = rpc_clnt_new (options, this->ctx, this->name, 16);
-
if (!rpc)
goto out;
@@ -527,7 +555,7 @@ cli_rpc_init (struct cli_state *state)
goto out;
}
- rpc_clnt_start (rpc);
+ ret = rpc_clnt_start (rpc);
out:
if (ret) {
if (rpc)
diff --git a/cli/src/cli.h b/cli/src/cli.h
index a36c160..d7b64cf 100644
--- a/cli/src/cli.h
+++ b/cli/src/cli.h
@@ -128,6 +128,8 @@ struct cli_state {
char *log_file;
gf_loglevel_t log_level;
+
+ char *glusterd_sock;
};
struct cli_local {