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authorM. Mohan Kumar <mohan@in.ibm.com>2012-11-29 21:46:07 +0530
committerVijay Bellur <vbellur@redhat.com>2012-11-29 09:39:53 -0800
commit3c72850e8d00f0cf35ae054136be076a394e08e9 (patch)
tree0763ec784c5e7da66b212cbe8bc1683a53663eae /cli/src/cli-cmd-volume-bdevice.c
parentca796eba11a3f965bfbaa9bbffb5ef00c9bbb7ad (diff)
BD Backend: CLI commands to create/delete image
Cli commands added to create/delete a LV device. The following command creates lv in a given vg. $ gluster bd create <volname>:<vgname>/<lvname> <size> The following command deletes lv in a given vg. $ gluster bd delete <volname>:<vgname>/<lvname> BUG: 805138 Change-Id: Ie4e100eca14e2ee32cf2bb4dd064b17230d673bf Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Reviewed-on: http://review.gluster.org/3718 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'cli/src/cli-cmd-volume-bdevice.c')
-rw-r--r--cli/src/cli-cmd-volume-bdevice.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/cli/src/cli-cmd-volume-bdevice.c b/cli/src/cli-cmd-volume-bdevice.c
new file mode 100644
index 00000000000..ea7edab6502
--- /dev/null
+++ b/cli/src/cli-cmd-volume-bdevice.c
@@ -0,0 +1,225 @@
+/*
+ CLI for BD translator
+
+ Copyright IBM, Corp. 2012
+
+ This file is part of GlusterFS.
+
+ Author:
+ M. Mohan Kumar <mohan@in.ibm.com>
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "cli.h"
+#include "cli-cmd.h"
+#include <string.h>
+
+extern rpc_clnt_prog_t *cli_rpc_prog;
+
+int
+cli_cmd_bd_help_cbk (struct cli_state *state, struct cli_cmd_word *in_word,
+ const char **words, int wordcount);
+
+int32_t
+cli_cmd_bd_parse (dict_t *dict, const char **words)
+{
+ char *volname = NULL;
+ char *buff = NULL;
+ char *buffp = NULL;
+ int ret = -1;
+ char *save = NULL;
+ char *path = NULL;
+ char *size = NULL;
+ char *eptr = NULL;
+ gf_xl_bd_op_t bd_op = GF_BD_OP_INVALID;
+
+ /* volname:/path */
+ if (!strchr (words[2], ':') || !strchr (words[2], '/')) {
+ cli_out ("invalid parameter %s, needs <volname:/path>",
+ words[2]);
+ return -1;
+ }
+ buff = buffp = gf_strdup (words[2]);
+ volname = strtok_r (buff, ":", &save);
+ path = strtok_r (NULL, ":", &save);
+
+ ret = dict_set_dynstr (dict, "volname", gf_strdup (volname));
+ if (ret)
+ goto out;
+
+ ret = dict_set_dynstr (dict, "path", gf_strdup (path));
+ if (ret)
+ goto out;
+
+ if (!strcasecmp (words[1], "create"))
+ bd_op = GF_BD_OP_NEW_BD;
+ else if (!strcasecmp (words[1], "delete"))
+ bd_op = GF_BD_OP_DELETE_BD;
+ else
+ return -1;
+
+ ret = dict_set_int32 (dict, "bd-op", bd_op);
+ if (ret)
+ goto out;
+
+ if (bd_op == GF_BD_OP_NEW_BD) {
+ /* If no suffix given we will treat it as MB */
+ strtoull (words[3], &eptr, 0);
+ /* no suffix */
+ if (!eptr[0])
+ gf_asprintf (&size, "%sMB", words[3]);
+ else
+ size = gf_strdup (words[3]);
+
+ ret = dict_set_dynstr (dict, "size", size);
+ if (ret)
+ goto out;
+ }
+
+ ret = 0;
+out:
+ GF_FREE (buffp);
+ return ret;
+}
+
+/*
+ * bd create <volname>:/path <size>
+ * bd delete <volname>:/path
+ */
+int32_t
+cli_cmd_bd_validate (const char **words, int wordcount, dict_t **options)
+{
+ dict_t *dict = NULL;
+ int ret = -1;
+ char *op[] = { "create", "delete", NULL };
+ int index = 0;
+
+ for (index = 0; op[index]; index++)
+ if (!strcasecmp (words[1], op[index]))
+ break;
+
+ if (!op[index])
+ return -1;
+
+ dict = dict_new ();
+ if (!dict)
+ goto out;
+
+ if (!strcasecmp (words[1], "create")) {
+ if (wordcount != 4)
+ goto out;
+ } else if (!strcasecmp (words[1], "delete")) {
+ if (wordcount != 3)
+ goto out;
+ } else {
+ ret = -1;
+ goto out;
+ }
+
+ ret = cli_cmd_bd_parse (dict, words);
+ if (ret < 0)
+ goto out;
+
+ *options = dict;
+ ret = 0;
+out:
+ if (ret)
+ dict_unref (dict);
+ return ret;
+}
+
+int
+cli_cmd_bd_cbk (struct cli_state *state, struct cli_cmd_word *word,
+ const char **words, int wordcount)
+{
+ int ret = -1;
+ rpc_clnt_procedure_t *proc = NULL;
+ call_frame_t *frame = NULL;
+ int sent = 0;
+ int parse_error = 0;
+ dict_t *options = NULL;
+ cli_local_t *local = NULL;
+
+ proc = &cli_rpc_prog->proctable[GLUSTER_CLI_BD_OP];
+
+ frame = create_frame (THIS, THIS->ctx->pool);
+ if (!frame)
+ goto out;
+
+ ret = cli_cmd_bd_validate (words, wordcount, &options);
+ if (ret) {
+ cli_usage_out (word->pattern);
+ parse_error = 1;
+ goto out;
+ }
+
+ CLI_LOCAL_INIT (local, words, frame, options);
+ if (proc->fn) {
+ ret = proc->fn (frame, THIS, options);
+ }
+
+out:
+ if (options)
+ dict_unref (options);
+
+ if (ret) {
+ cli_cmd_sent_status_get (&sent);
+ if ((sent == 0) && (parse_error == 0))
+ cli_out ("BD op failed!");
+ }
+
+ CLI_STACK_DESTROY (frame);
+
+ return ret;
+}
+
+struct cli_cmd cli_bd_cmds[] = {
+ { "bd help",
+ cli_cmd_bd_help_cbk,
+ "display help for bd command"},
+ { "bd create <volname>:<bd> <size>",
+ cli_cmd_bd_cbk,
+ "\n\tcreate a block device where size can be "
+ "suffixed with KB, MB etc. Default size is in MB"},
+ { "bd delete <volname>:<bd>",
+ cli_cmd_bd_cbk,
+ "Delete a block device"},
+ { NULL, NULL, NULL }
+};
+
+int
+cli_cmd_bd_help_cbk (struct cli_state *state, struct cli_cmd_word *in_word,
+ const char **words, int wordcount)
+{
+ struct cli_cmd *cmd = NULL;
+
+ for (cmd = cli_bd_cmds; cmd->pattern; cmd++)
+ if (_gf_false == cmd->disable)
+ cli_out ("%s - %s", cmd->pattern, cmd->desc);
+
+ return 0;
+}
+
+int
+cli_cmd_bd_register (struct cli_state *state)
+{
+ int ret = 0;
+ struct cli_cmd *cmd = NULL;
+
+ for (cmd = cli_bd_cmds; cmd->pattern; cmd++) {
+ ret = cli_cmd_register (&state->tree, cmd);
+ if (ret)
+ goto out;
+ }
+out:
+ return ret;
+}