diff --git a/tools/crm_node.c b/tools/crm_node.c
index 85452aa316..1e7ce6cb31 100644
--- a/tools/crm_node.c
+++ b/tools/crm_node.c
@@ -1,857 +1,882 @@
/*
* Copyright 2004-2023 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <crm/crm.h>
#include <crm/common/cmdline_internal.h>
#include <crm/common/output_internal.h>
#include <crm/common/mainloop.h>
#include <crm/msg_xml.h>
#include <crm/cib.h>
#include <crm/cib/internal.h>
#include <crm/common/ipc_controld.h>
#include <crm/common/attrd_internal.h>
#include <pacemaker-internal.h>
#define SUMMARY "crm_node - Tool for displaying low-level node information"
struct {
gboolean corosync;
gboolean dangerous_cmd;
gboolean force_flag;
char command;
int nodeid;
char *target_uname;
} options = {
.command = '\0',
.force_flag = FALSE
};
gboolean command_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error);
gboolean name_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error);
gboolean remove_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error);
static GError *error = NULL;
static GMainLoop *mainloop = NULL;
static crm_exit_t exit_code = CRM_EX_OK;
static pcmk__output_t *out = NULL;
#define INDENT " "
static GOptionEntry command_entries[] = {
{ "cluster-id", 'i', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Display this node's cluster id",
NULL },
{ "list", 'l', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Display all known members (past and present) of this cluster",
NULL },
{ "name", 'n', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Display the name used by the cluster for this node",
NULL },
{ "partition", 'p', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Display the members of this partition",
NULL },
{ "quorum", 'q', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, command_cb,
"Display a 1 if our partition has quorum, 0 if not",
NULL },
{ "name-for-id", 'N', 0, G_OPTION_ARG_CALLBACK, name_cb,
"Display the name used by the cluster for the node with the specified ID",
"ID" },
{ "remove", 'R', 0, G_OPTION_ARG_CALLBACK, remove_cb,
"(Advanced) Remove the (stopped) node with the specified name from Pacemaker's\n"
INDENT "configuration and caches (the node must already have been removed from\n"
INDENT "the underlying cluster stack configuration",
"NAME" },
{ NULL }
};
static GOptionEntry addl_entries[] = {
{ "force", 'f', 0, G_OPTION_ARG_NONE, &options.force_flag,
NULL,
NULL },
#if SUPPORT_COROSYNC
/* Unused and deprecated */
{ "corosync", 'C', G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &options.corosync,
NULL,
NULL },
#endif
// @TODO add timeout option for when IPC replies are needed
{ NULL }
};
static pcmk__supported_format_t formats[] = {
PCMK__SUPPORTED_FORMAT_NONE,
PCMK__SUPPORTED_FORMAT_TEXT,
PCMK__SUPPORTED_FORMAT_XML,
{ NULL, NULL, NULL }
};
gboolean
command_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) {
if (pcmk__str_eq("-i", option_name, pcmk__str_casei) || pcmk__str_eq("--cluster-id", option_name, pcmk__str_casei)) {
options.command = 'i';
} else if (pcmk__str_eq("-l", option_name, pcmk__str_casei) || pcmk__str_eq("--list", option_name, pcmk__str_casei)) {
options.command = 'l';
} else if (pcmk__str_eq("-n", option_name, pcmk__str_casei) || pcmk__str_eq("--name", option_name, pcmk__str_casei)) {
options.command = 'n';
} else if (pcmk__str_eq("-p", option_name, pcmk__str_casei) || pcmk__str_eq("--partition", option_name, pcmk__str_casei)) {
options.command = 'p';
} else if (pcmk__str_eq("-q", option_name, pcmk__str_casei) || pcmk__str_eq("--quorum", option_name, pcmk__str_casei)) {
options.command = 'q';
} else {
g_set_error(error, PCMK__EXITC_ERROR, CRM_EX_INVALID_PARAM, "Unknown param passed to command_cb: %s", option_name);
return FALSE;
}
return TRUE;
}
gboolean
name_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) {
options.command = 'N';
pcmk__scan_min_int(optarg, &(options.nodeid), 0);
return TRUE;
}
gboolean
remove_cb(const gchar *option_name, const gchar *optarg, gpointer data, GError **error) {
if (optarg == NULL) {
g_set_error(error, PCMK__EXITC_ERROR, CRM_EX_INVALID_PARAM, "-R option requires an argument");
return FALSE;
}
options.command = 'R';
options.dangerous_cmd = TRUE;
pcmk__str_update(&options.target_uname, optarg);
return TRUE;
}
PCMK__OUTPUT_ARGS("node-id", "uint32_t")
static int
node_id_default(pcmk__output_t *out, va_list args) {
uint32_t node_id = va_arg(args, uint32_t);
out->info(out, "%" PRIu32, node_id);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-id", "uint32_t")
static int
node_id_xml(pcmk__output_t *out, va_list args) {
uint32_t node_id = va_arg(args, uint32_t);
char *id_s = crm_strdup_printf("%" PRIu32, node_id);
pcmk__output_create_xml_node(out, "node-info",
"nodeid", id_s,
NULL);
free(id_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-list", "GList *")
static int
node_list_default(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
for (GList *node_iter = nodes; node_iter != NULL; node_iter = node_iter->next) {
pcmk_controld_api_node_t *node = node_iter->data;
out->info(out, "%" PRIu32 " %s %s", node->id, pcmk__s(node->uname, ""),
pcmk__s(node->state, ""));
}
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-list", "GList *")
static int
node_list_xml(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
out->begin_list(out, NULL, NULL, "nodes");
for (GList *node_iter = nodes; node_iter != NULL; node_iter = node_iter->next) {
pcmk_controld_api_node_t *node = node_iter->data;
char *id_s = crm_strdup_printf("%" PRIu32, node->id);
pcmk__output_create_xml_node(out, "node",
"id", id_s,
"name", node->uname,
"state", node->state,
NULL);
free(id_s);
}
out->end_list(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-name", "uint32_t", "const char *")
static int
node_name_default(pcmk__output_t *out, va_list args) {
uint32_t node_id G_GNUC_UNUSED = va_arg(args, uint32_t);
const char *node_name = va_arg(args, const char *);
out->info(out, "%s", node_name);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("node-name", "uint32_t", "const char *")
static int
node_name_xml(pcmk__output_t *out, va_list args) {
uint32_t node_id = va_arg(args, uint32_t);
const char *node_name = va_arg(args, const char *);
char *id_s = crm_strdup_printf("%" PRIu32, node_id);
pcmk__output_create_xml_node(out, "node-info",
"nodeid", id_s,
XML_ATTR_UNAME, node_name,
NULL);
free(id_s);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("partition-list", "GList *")
static int
partition_list_default(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
GString *buffer = NULL;
for (GList *node_iter = nodes; node_iter != NULL; node_iter = node_iter->next) {
pcmk_controld_api_node_t *node = node_iter->data;
if (pcmk__str_eq(node->state, "member", pcmk__str_none)) {
pcmk__add_separated_word(&buffer, 128, pcmk__s(node->uname, ""), " ");
}
}
if (buffer != NULL) {
out->info(out, "%s", buffer->str);
g_string_free(buffer, TRUE);
return pcmk_rc_ok;
}
return pcmk_rc_no_output;
}
PCMK__OUTPUT_ARGS("partition-list", "GList *")
static int
partition_list_xml(pcmk__output_t *out, va_list args)
{
GList *nodes = va_arg(args, GList *);
out->begin_list(out, NULL, NULL, "nodes");
for (GList *node_iter = nodes; node_iter != NULL; node_iter = node_iter->next) {
pcmk_controld_api_node_t *node = node_iter->data;
if (pcmk__str_eq(node->state, "member", pcmk__str_none)) {
char *id_s = crm_strdup_printf("%" PRIu32, node->id);
pcmk__output_create_xml_node(out, "node",
"id", id_s,
"name", node->uname,
"state", node->state,
NULL);
free(id_s);
}
}
out->end_list(out);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("quorum", "bool")
static int
quorum_default(pcmk__output_t *out, va_list args) {
bool have_quorum = va_arg(args, int);
out->info(out, "%d", have_quorum);
return pcmk_rc_ok;
}
PCMK__OUTPUT_ARGS("quorum", "bool")
static int
quorum_xml(pcmk__output_t *out, va_list args) {
bool have_quorum = va_arg(args, int);
pcmk__output_create_xml_node(out, "cluster-info",
"quorum", have_quorum ? "true" : "false",
NULL);
return pcmk_rc_ok;
}
static pcmk__message_entry_t fmt_functions[] = {
{ "node-id", "default", node_id_default },
{ "node-id", "xml", node_id_xml },
{ "node-list", "default", node_list_default },
{ "node-list", "xml", node_list_xml },
{ "node-name", "default", node_name_default },
{ "node-name", "xml", node_name_xml },
{ "quorum", "default", quorum_default },
{ "quorum", "xml", quorum_xml },
{ "partition-list", "default", partition_list_default },
{ "partition-list", "xml", partition_list_xml },
{ NULL, NULL, NULL }
};
static gint
sort_node(gconstpointer a, gconstpointer b)
{
const pcmk_controld_api_node_t *node_a = a;
const pcmk_controld_api_node_t *node_b = b;
return pcmk__numeric_strcasecmp((node_a->uname? node_a->uname : ""),
(node_b->uname? node_b->uname : ""));
}
static void
controller_event_cb(pcmk_ipc_api_t *controld_api,
enum pcmk_ipc_event event_type, crm_exit_t status,
void *event_data, void *user_data)
{
pcmk_controld_api_reply_t *reply = event_data;
switch (event_type) {
case pcmk_ipc_event_disconnect:
if (exit_code == CRM_EX_DISCONNECT) { // Unexpected
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Lost connection to controller");
}
goto done;
break;
case pcmk_ipc_event_reply:
break;
default:
return;
}
if (status != CRM_EX_OK) {
exit_code = status;
g_set_error(&error, PCMK__EXITC_ERROR, status,
"Bad reply from controller: %s",
crm_exit_str(status));
goto done;
}
if (reply->reply_type != pcmk_controld_reply_nodes) {
g_set_error(&error, PCMK__EXITC_ERROR, CRM_EX_INDETERMINATE,
"Unknown reply type %d from controller",
reply->reply_type);
goto done;
}
reply->data.nodes = g_list_sort(reply->data.nodes, sort_node);
if (options.command == 'p') {
out->message(out, "partition-list", reply->data.nodes);
} else if (options.command == 'l') {
out->message(out, "node-list", reply->data.nodes);
}
// Success
exit_code = CRM_EX_OK;
done:
pcmk_disconnect_ipc(controld_api);
pcmk_quit_main_loop(mainloop, 10);
}
static void
run_controller_mainloop(void)
{
pcmk_ipc_api_t *controld_api = NULL;
int rc;
// Set disconnect exit code to handle unexpected disconnects
exit_code = CRM_EX_DISCONNECT;
// Create controller IPC object
rc = pcmk_new_ipc_api(&controld_api, pcmk_ipc_controld);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc,
"Could not connect to controller: %s",
pcmk_rc_str(rc));
return;
}
pcmk_register_ipc_callback(controld_api, controller_event_cb, NULL);
// Connect to controller
rc = pcmk__connect_ipc(controld_api, pcmk_ipc_dispatch_main, 5);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Could not connect to %s: %s",
pcmk_ipc_name(controld_api, true), pcmk_rc_str(rc));
return;
}
rc = pcmk_controld_api_list_nodes(controld_api);
if (rc != pcmk_rc_ok) {
pcmk_disconnect_ipc(controld_api);
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Could not ping controller: %s", pcmk_rc_str(rc));
return;
}
// Run main loop to get controller reply via controller_event_cb()
mainloop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(mainloop);
g_main_loop_unref(mainloop);
mainloop = NULL;
pcmk_free_ipc_api(controld_api);
}
static void
print_node_id(void)
{
uint32_t nodeid;
int rc = pcmk__query_node_info(out, &nodeid, NULL, NULL, NULL, NULL, NULL,
false, 0);
if (rc != pcmk_rc_ok) {
/* pcmk__query_node_info already sets an error message on the output object,
* so there's no need to call g_set_error here. That would just create a
* duplicate error message in the output.
*/
exit_code = pcmk_rc2exitc(rc);
return;
}
rc = out->message(out, "node-id", nodeid);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc, "Could not print node ID: %s",
pcmk_rc_str(rc));
}
exit_code = pcmk_rc2exitc(rc);
}
static void
print_node_name(uint32_t nodeid)
{
int rc = pcmk_rc_ok;
char *node_name = NULL;
if (nodeid == 0) {
// Check environment first (i.e. when called by resource agent)
const char *name = getenv("OCF_RESKEY_" CRM_META "_" XML_LRM_ATTR_TARGET);
if (name != NULL) {
rc = out->message(out, "node-name", 0, name);
goto done;
}
}
// Otherwise ask the controller
/* pcmk__query_node_name already sets an error message on the output object,
* so there's no need to call g_set_error here. That would just create a
* duplicate error message in the output.
*/
rc = pcmk__query_node_name(out, nodeid, &node_name, 0);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
return;
}
rc = out->message(out, "node-name", 0, node_name);
done:
if (node_name != NULL) {
free(node_name);
}
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc, "Could not print node name: %s",
pcmk_rc_str(rc));
}
exit_code = pcmk_rc2exitc(rc);
}
static void
print_quorum(void)
{
bool quorum;
int rc = pcmk__query_node_info(out, NULL, NULL, NULL, NULL, &quorum, NULL,
false, 0);
if (rc != pcmk_rc_ok) {
/* pcmk__query_node_info already sets an error message on the output object,
* so there's no need to call g_set_error here. That would just create a
* duplicate error message in the output.
*/
exit_code = pcmk_rc2exitc(rc);
return;
}
rc = out->message(out, "quorum", quorum);
if (rc != pcmk_rc_ok) {
g_set_error(&error, PCMK__RC_ERROR, rc, "Could not print quorum status: %s",
pcmk_rc_str(rc));
}
exit_code = pcmk_rc2exitc(rc);
}
+/*!
+ * \internal
+ * \brief Extend a transaction by removing a node from a CIB section
+ *
+ * \param[in,out] cib Active CIB connection
+ * \param[in] element CIB element containing node name and/or ID
+ * \param[in] section CIB section that \p element is in
+ * \param[in] node_name Name of node to purge (NULL to leave unspecified)
+ * \param[in] node_id Node ID of node to purge (0 to leave unspecified)
+ *
+ * \note At least one of node_name and node_id must be specified.
+ * \return Standard Pacemaker return code
+ */
+static int
+remove_from_section(cib_t *cib, const char *element, const char *section,
+ const char *node_name, long node_id)
+{
+ xmlNode *xml = NULL;
+ int rc = pcmk_rc_ok;
+
+ xml = create_xml_node(NULL, element);
+ if (xml == NULL) {
+ return pcmk_rc_error;
+ }
+ crm_xml_add(xml, XML_ATTR_UNAME, node_name);
+ if (node_id > 0) {
+ crm_xml_set_id(xml, "%ld", node_id);
+ }
+ rc = cib->cmds->remove(cib, section, xml, cib_transaction);
+ free_xml(xml);
+ return (rc >= 0)? pcmk_rc_ok : pcmk_legacy2rc(rc);
+}
+
/*!
* \internal
* \brief Purge a node from CIB
*
* \param[in] node_name Name of node to purge (or NULL to leave unspecified)
* \param[in] node_id Node ID of node to purge (or 0 to leave unspecified)
*
* \note At least one of node_name and node_id must be specified.
* \return Standard Pacemaker return code
*/
static int
purge_node_from_cib(const char *node_name, long node_id)
{
int rc = pcmk_rc_ok;
+ int commit_rc = pcmk_rc_ok;
cib_t *cib = NULL;
- xmlNode *xml = NULL;
- // Connect to CIB
+ // Connect to CIB and start a transaction
cib = cib_new();
if (cib == NULL) {
return ENOTCONN;
}
rc = cib->cmds->signon(cib, crm_system_name, cib_command);
- if (rc != pcmk_ok) {
- rc = pcmk_legacy2rc(rc);
- goto done;
+ if (rc == pcmk_ok) {
+ rc = cib->cmds->init_transaction(cib);
}
-
- // Remove from configuration section
- xml = create_xml_node(NULL, XML_CIB_TAG_NODE);
- crm_xml_add(xml, XML_ATTR_UNAME, node_name);
- if (node_id > 0) {
- crm_xml_set_id(xml, "%ld", node_id);
- }
- rc = cib->cmds->remove(cib, XML_CIB_TAG_NODES, xml, cib_sync_call);
if (rc != pcmk_ok) {
rc = pcmk_legacy2rc(rc);
- goto done;
+ cib__clean_up_connection(&cib);
+ return rc;
}
- free_xml(xml);
- // Remove from status section
- xml = create_xml_node(NULL, XML_CIB_TAG_STATE);
- crm_xml_add(xml, XML_ATTR_UNAME, node_name);
- if (node_id > 0) {
- crm_xml_set_id(xml, "%ld", node_id);
- }
- rc = cib->cmds->remove(cib, XML_CIB_TAG_STATUS, xml, cib_sync_call);
- rc = pcmk_legacy2rc(rc);
+ // Remove from configuration and status
+ rc = remove_from_section(cib, XML_CIB_TAG_NODE, XML_CIB_TAG_NODES,
+ node_name, node_id);
if (rc == pcmk_rc_ok) {
- crm_debug("Purged node %s (%ld) from CIB",
- pcmk__s(node_name, "by ID"), node_id);
+ rc = remove_from_section(cib, XML_CIB_TAG_STATE, XML_CIB_TAG_STATUS,
+ node_name, node_id);
}
-done:
- free_xml(xml);
+ // Commit the transaction
+ commit_rc = cib->cmds->end_transaction(cib, (rc == pcmk_rc_ok),
+ cib_sync_call);
cib__clean_up_connection(&cib);
+
+ if ((rc == pcmk_rc_ok) && (commit_rc == pcmk_ok)) {
+ crm_debug("Purged node %s (%ld) from CIB",
+ pcmk__s(node_name, "by ID"), node_id);
+ }
return rc;
}
/*!
* \internal
* \brief Purge a node from a single server's peer cache
*
* \param[in] server IPC server to send request to
* \param[in] node_name Name of node to purge (or NULL to leave unspecified)
* \param[in] node_id Node ID of node to purge (or 0 to leave unspecified)
*
* \note At least one of node_name and node_id must be specified.
* \return Standard Pacemaker return code
*/
static int
purge_node_from(enum pcmk_ipc_server server, const char *node_name,
long node_id)
{
pcmk_ipc_api_t *api = NULL;
int rc;
rc = pcmk_new_ipc_api(&api, server);
if (rc != pcmk_rc_ok) {
goto done;
}
rc = pcmk__connect_ipc(api, pcmk_ipc_dispatch_sync, 5);
if (rc != pcmk_rc_ok) {
goto done;
}
rc = pcmk_ipc_purge_node(api, node_name, node_id);
done:
if (rc != pcmk_rc_ok) { // Debug message already logged on success
g_set_error(&error, PCMK__RC_ERROR, rc,
"Could not purge node %s from %s: %s",
pcmk__s(node_name, "by ID"), pcmk_ipc_name(api, true),
pcmk_rc_str(rc));
}
pcmk_free_ipc_api(api);
return rc;
}
/*!
* \internal
* \brief Purge a node from the fencer's peer cache
*
* \param[in] node_name Name of node to purge (or NULL to leave unspecified)
* \param[in] node_id Node ID of node to purge (or 0 to leave unspecified)
*
* \note At least one of node_name and node_id must be specified.
* \return Standard Pacemaker return code
*/
static int
purge_node_from_fencer(const char *node_name, long node_id)
{
int rc = pcmk_rc_ok;
crm_ipc_t *conn = NULL;
xmlNode *cmd = NULL;
conn = crm_ipc_new("stonith-ng", 0);
if (conn == NULL) {
rc = ENOTCONN;
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Could not connect to fencer to purge node %s",
pcmk__s(node_name, "by ID"));
return rc;
}
rc = pcmk__connect_generic_ipc(conn);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Could not connect to fencer to purge node %s: %s",
pcmk__s(node_name, "by ID"), pcmk_rc_str(rc));
crm_ipc_destroy(conn);
return rc;
}
cmd = create_request(CRM_OP_RM_NODE_CACHE, NULL, NULL, "stonith-ng",
crm_system_name, NULL);
if (node_id > 0) {
crm_xml_set_id(cmd, "%ld", node_id);
}
crm_xml_add(cmd, XML_ATTR_UNAME, node_name);
rc = crm_ipc_send(conn, cmd, 0, 0, NULL);
if (rc >= 0) {
rc = pcmk_rc_ok;
crm_debug("Purged node %s (%ld) from fencer",
pcmk__s(node_name, "by ID"), node_id);
} else {
rc = pcmk_legacy2rc(rc);
fprintf(stderr, "Could not purge node %s from fencer: %s\n",
pcmk__s(node_name, "by ID"), pcmk_rc_str(rc));
}
free_xml(cmd);
crm_ipc_close(conn);
crm_ipc_destroy(conn);
return rc;
}
static void
remove_node(const char *target_uname)
{
int rc = pcmk_rc_ok;
long nodeid = 0;
const char *node_name = NULL;
char *endptr = NULL;
const enum pcmk_ipc_server servers[] = {
pcmk_ipc_controld,
pcmk_ipc_attrd,
};
// Check whether node was specified by name or numeric ID
errno = 0;
nodeid = strtol(target_uname, &endptr, 10);
if ((errno != 0) || (endptr == target_uname) || (*endptr != '\0')
|| (nodeid <= 0)) {
// It's not a positive integer, so assume it's a node name
nodeid = 0;
node_name = target_uname;
}
for (int i = 0; i < PCMK__NELEM(servers); ++i) {
rc = purge_node_from(servers[i], node_name, nodeid);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
return;
}
}
// The fencer hasn't been converted to pcmk_ipc_api_t yet
rc = purge_node_from_fencer(node_name, nodeid);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
return;
}
// Lastly, purge the node from the CIB itself
rc = purge_node_from_cib(node_name, nodeid);
exit_code = pcmk_rc2exitc(rc);
}
static GOptionContext *
build_arg_context(pcmk__common_args_t *args, GOptionGroup **group) {
GOptionContext *context = NULL;
GOptionEntry extra_prog_entries[] = {
{ "quiet", 'Q', 0, G_OPTION_ARG_NONE, &(args->quiet),
"Be less descriptive in output.",
NULL },
{ NULL }
};
context = pcmk__build_arg_context(args, "text (default), xml", group, NULL);
/* Add the -q option, which cannot be part of the globally supported options
* because some tools use that flag for something else.
*/
pcmk__add_main_args(context, extra_prog_entries);
pcmk__add_arg_group(context, "commands", "Commands:",
"Show command help", command_entries);
pcmk__add_arg_group(context, "additional", "Additional Options:",
"Show additional options", addl_entries);
return context;
}
int
main(int argc, char **argv)
{
int rc = pcmk_rc_ok;
GOptionGroup *output_group = NULL;
pcmk__common_args_t *args = pcmk__new_common_args(SUMMARY);
gchar **processed_args = pcmk__cmdline_preproc(argv, "NR");
GOptionContext *context = build_arg_context(args, &output_group);
pcmk__register_formats(output_group, formats);
if (!g_option_context_parse_strv(context, &processed_args, &error)) {
exit_code = CRM_EX_USAGE;
goto done;
}
pcmk__cli_init_logging("crm_node", args->verbosity);
rc = pcmk__output_new(&out, args->output_ty, args->output_dest, argv);
if (rc != pcmk_rc_ok) {
exit_code = pcmk_rc2exitc(rc);
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"Error creating output format %s: %s", args->output_ty,
pcmk_rc_str(rc));
goto done;
}
if (!pcmk__force_args(context, &error, "%s --xml-simple-list", g_get_prgname())) {
exit_code = CRM_EX_SOFTWARE;
goto done;
}
if (args->version) {
out->version(out, false);
goto done;
}
if (options.command == 0) {
char *help = g_option_context_get_help(context, TRUE, NULL);
out->err(out, "%s", help);
g_free(help);
exit_code = CRM_EX_USAGE;
goto done;
}
if (options.dangerous_cmd && options.force_flag == FALSE) {
exit_code = CRM_EX_USAGE;
g_set_error(&error, PCMK__EXITC_ERROR, exit_code,
"The supplied command is considered dangerous."
" To prevent accidental destruction of the cluster,"
" the --force flag is required in order to proceed.");
goto done;
}
pcmk__register_lib_messages(out);
pcmk__register_messages(out, fmt_functions);
switch (options.command) {
case 'i':
print_node_id();
break;
case 'n':
print_node_name(0);
break;
case 'q':
print_quorum();
break;
case 'N':
print_node_name(options.nodeid);
break;
case 'R':
remove_node(options.target_uname);
break;
case 'l':
case 'p':
run_controller_mainloop();
break;
default:
break;
}
done:
g_strfreev(processed_args);
pcmk__free_arg_context(context);
pcmk__output_and_clear_error(&error, out);
if (out != NULL) {
out->finish(out, exit_code, true, NULL);
pcmk__output_free(out);
}
pcmk__unregister_formats();
return crm_exit(exit_code);
}