diff options
Diffstat (limited to 'cli/src/cli-cmd-peer.c')
| -rw-r--r-- | cli/src/cli-cmd-peer.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/cli/src/cli-cmd-peer.c b/cli/src/cli-cmd-peer.c new file mode 100644 index 00000000000..084998701d8 --- /dev/null +++ b/cli/src/cli-cmd-peer.c @@ -0,0 +1,317 @@ +/* + Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + 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. +*/ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <stdint.h> +#include <pthread.h> + +#include "cli.h" +#include "cli-cmd.h" +#include "cli-mem-types.h" +#include "cli1-xdr.h" +#include "protocol-common.h" +#include <glusterfs/events.h> + +int +cli_cmd_peer_help_cbk(struct cli_state *state, struct cli_cmd_word *in_word, + const char **words, int wordcount); + +int +cli_cmd_peer_probe_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; + dict_t *dict = NULL; + int sent = 0; + int parse_error = 0; + cli_local_t *local = NULL; + + if (!(wordcount == 3)) { + cli_usage_out(word->pattern); + parse_error = 1; + goto out; + } + + proc = &cli_rpc_prog->proctable[GLUSTER_CLI_PROBE]; + + dict = dict_new(); + if (!dict) + goto out; + + ret = dict_set_str(dict, "hostname", (char *)words[2]); + if (ret) + goto out; + + ret = valid_internet_address((char *)words[2], _gf_false, _gf_false); + if (ret == 1) { + ret = 0; + } else { + cli_out("%s is an invalid address", words[2]); + cli_usage_out(word->pattern); + parse_error = 1; + ret = -1; + goto out; + } + /* if (words[3]) { + ret = dict_set_str (dict, "port", (char *)words[3]); + if (ret) + goto out; + } + */ + + frame = create_frame(THIS, THIS->ctx->pool); + if (!frame) { + ret = -1; + goto out; + } + + CLI_LOCAL_INIT(local, words, frame, dict); + + if (proc->fn) { + ret = proc->fn(frame, THIS, dict); + } + +out: + if (ret) { + cli_cmd_sent_status_get(&sent); + if ((sent == 0) && (parse_error == 0)) + cli_out("Peer probe failed"); + } + + CLI_STACK_DESTROY(frame); + + if (ret == 0) { + gf_event(EVENT_PEER_ATTACH, "host=%s", (char *)words[2]); + } + + return ret; +} + +int +cli_cmd_peer_deprobe_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; + dict_t *dict = NULL; + int flags = 0; + int sent = 0; + int parse_error = 0; + cli_local_t *local = NULL; + gf_answer_t answer = GF_ANSWER_NO; + const char *question = NULL; + + if ((wordcount < 3) || (wordcount > 4)) { + cli_usage_out(word->pattern); + parse_error = 1; + goto out; + } + question = + "All clients mounted through the peer which is getting detached need " + "to be remounted using one of the other active peers in the trusted " + "storage pool to ensure client gets notification on any changes done " + "on the gluster configuration and if the same has been done do you " + "want to proceed?"; + proc = &cli_rpc_prog->proctable[GLUSTER_CLI_DEPROBE]; + + dict = dict_new(); + + ret = dict_set_str(dict, "hostname", (char *)words[2]); + if (ret) + goto out; + + /* if (words[3]) { + ret = dict_set_str (dict, "port", (char *)words[3]); + if (ret) + goto out; + } + */ + if (wordcount == 4) { + if (!strcmp("force", words[3])) + flags |= GF_CLI_FLAG_OP_FORCE; + else { + ret = -1; + cli_usage_out(word->pattern); + parse_error = 1; + goto out; + } + } + ret = dict_set_int32(dict, "flags", flags); + if (ret) + goto out; + answer = cli_cmd_get_confirmation(state, question); + if (GF_ANSWER_NO == answer) { + ret = 0; + goto out; + } + + frame = create_frame(THIS, THIS->ctx->pool); + if (!frame) { + ret = -1; + goto out; + } + + CLI_LOCAL_INIT(local, words, frame, dict); + + if (proc->fn) { + ret = proc->fn(frame, THIS, dict); + } + +out: + if (ret) { + cli_cmd_sent_status_get(&sent); + if ((sent == 0) && (parse_error == 0)) + cli_out("Peer detach failed"); + } + + CLI_STACK_DESTROY(frame); + + if (ret == 0) { + gf_event(EVENT_PEER_DETACH, "host=%s", (char *)words[2]); + } + + return ret; +} + +int +cli_cmd_peer_status_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; + + if (wordcount != 2) { + cli_usage_out(word->pattern); + parse_error = 1; + goto out; + } + + proc = &cli_rpc_prog->proctable[GLUSTER_CLI_LIST_FRIENDS]; + + frame = create_frame(THIS, THIS->ctx->pool); + if (!frame) + goto out; + + if (proc->fn) { + ret = proc->fn(frame, THIS, (void *)GF_CLI_LIST_PEERS); + } + +out: + if (ret) { + cli_cmd_sent_status_get(&sent); + if ((sent == 0) && (parse_error == 0)) + cli_out("Peer status failed"); + } + + CLI_STACK_DESTROY(frame); + + return ret; +} + +int +cli_cmd_pool_list_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; + + if (wordcount != 2) { + cli_usage_out(word->pattern); + parse_error = 1; + goto out; + } + + proc = &cli_rpc_prog->proctable[GLUSTER_CLI_LIST_FRIENDS]; + + frame = create_frame(THIS, THIS->ctx->pool); + if (!frame) + goto out; + + if (proc->fn) { + ret = proc->fn(frame, THIS, (void *)GF_CLI_LIST_POOL_NODES); + } + +out: + if (ret) { + cli_cmd_sent_status_get(&sent); + if ((sent == 0) && (parse_error == 0)) + cli_err("pool list: command execution failed"); + } + + CLI_STACK_DESTROY(frame); + + return ret; +} + +struct cli_cmd cli_probe_cmds[] = { + {"peer probe { <HOSTNAME> | <IP-address> }", cli_cmd_peer_probe_cbk, + "probe peer specified by <HOSTNAME>"}, + + {"peer detach { <HOSTNAME> | <IP-address> } [force]", + cli_cmd_peer_deprobe_cbk, "detach peer specified by <HOSTNAME>"}, + + {"peer status", cli_cmd_peer_status_cbk, "list status of peers"}, + + {"peer help", cli_cmd_peer_help_cbk, "display help for peer commands"}, + + {"pool list", cli_cmd_pool_list_cbk, + "list all the nodes in the pool (including localhost)"}, + + {NULL, NULL, NULL}}; + +int +cli_cmd_peer_help_cbk(struct cli_state *state, struct cli_cmd_word *in_word, + const char **words, int wordcount) +{ + struct cli_cmd *cmd = NULL; + struct cli_cmd *probe_cmd = NULL; + int count = 0; + + cli_out("\ngluster peer commands"); + cli_out("======================\n"); + + cmd = GF_MALLOC(sizeof(cli_probe_cmds), cli_mt_cli_cmd); + memcpy(cmd, cli_probe_cmds, sizeof(cli_probe_cmds)); + count = (sizeof(cli_probe_cmds) / sizeof(struct cli_cmd)); + cli_cmd_sort(cmd, count); + + for (probe_cmd = cmd; probe_cmd->pattern; probe_cmd++) + cli_out("%s - %s", probe_cmd->pattern, probe_cmd->desc); + + GF_FREE(cmd); + + cli_out("\n"); + return 0; +} + +int +cli_cmd_probe_register(struct cli_state *state) +{ + int ret = 0; + struct cli_cmd *cmd = NULL; + + for (cmd = cli_probe_cmds; cmd->pattern; cmd++) { + ret = cli_cmd_register(&state->tree, cmd); + if (ret) + goto out; + } +out: + return ret; +} |
