#include "../common/rb_tree.h"
#include "db_wrap.h"
+
+#define ERR_TIMEOUT 20 /* timed out trying to reach node */
+#define ERR_NONODE 21 /* node does not exist */
+#define ERR_DISNODE 22 /* node is disconnected */
+
static void usage(void);
static struct {
}
#endif
+
+/*
+ verify that a node exists and is reachable
+ */
+static void verify_node(struct ctdb_context *ctdb)
+{
+ int ret;
+ struct ctdb_node_map *nodemap=NULL;
+
+ if (options.pnn == CTDB_CURRENT_NODE) {
+ return;
+ }
+ if (options.pnn == CTDB_BROADCAST_ALL) {
+ return;
+ }
+
+ /* verify the node exists */
+ if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
+ exit(10);
+ }
+ if (options.pnn >= nodemap->num) {
+ DEBUG(DEBUG_ERR, ("Node %u does not exist\n", options.pnn));
+ exit(ERR_NONODE);
+ }
+ if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_DISCONNECTED) {
+ DEBUG(DEBUG_ERR, ("Node %u is DISCONNECTED\n", options.pnn));
+ exit(ERR_DISNODE);
+ }
+
+ /* verify we can access the node */
+ ret = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
+ if (ret == -1) {
+ DEBUG(DEBUG_ERR,("Can not ban node. Node is not operational.\n"));
+ exit(10);
+ }
+}
+
+/*
+ check if a database exists
+*/
+static int db_exists(struct ctdb_context *ctdb, const char *db_name)
+{
+ int i, ret;
+ struct ctdb_dbid_map *dbmap=NULL;
+
+ ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
+ return -1;
+ }
+
+ for(i=0;i<dbmap->num;i++){
+ const char *name;
+
+ ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
+ if (!strcmp(name, db_name)) {
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
/*
see if a process exists
*/
static int control_uptime(struct ctdb_context *ctdb, int argc, const char **argv)
{
int ret;
- int mypnn;
struct ctdb_uptime *uptime = NULL;
int tmp, days, hours, minutes, seconds;
- mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
- if (mypnn == -1) {
- return -1;
- }
-
ret = ctdb_ctrl_uptime(ctdb, ctdb, TIMELIMIT(), options.pnn, &uptime);
if (ret != 0) {
DEBUG(DEBUG_ERR, ("Unable to get uptime from node %u\n", options.pnn));
{
int mypnn;
- mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
+ mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
if (mypnn == -1) {
DEBUG(DEBUG_ERR, ("Unable to get pnn from local node."));
return -1;
return 0;
}
+
+struct natgw_node {
+ struct natgw_node *next;
+ const char *addr;
+};
+
+/*
+ display the list of nodes belonging to this natgw configuration
+ */
+static int control_natgwlist(struct ctdb_context *ctdb, int argc, const char **argv)
+{
+ int i, ret;
+ const char *natgw_list;
+ int nlines;
+ char **lines;
+ struct natgw_node *natgw_nodes = NULL;
+ struct natgw_node *natgw_node;
+ struct ctdb_node_map *nodemap=NULL;
+
+
+ /* read the natgw nodes file into a linked list */
+ natgw_list = getenv("NATGW_NODES");
+ if (natgw_list == NULL) {
+ natgw_list = "/etc/ctdb/natgw_nodes";
+ }
+ lines = file_lines_load(natgw_list, &nlines, ctdb);
+ if (lines == NULL) {
+ ctdb_set_error(ctdb, "Failed to load natgw node list '%s'\n", natgw_list);
+ return -1;
+ }
+ while (nlines > 0 && strcmp(lines[nlines-1], "") == 0) {
+ nlines--;
+ }
+ for (i=0;i<nlines;i++) {
+ char *node;
+
+ node = lines[i];
+ /* strip leading spaces */
+ while((*node == ' ') || (*node == '\t')) {
+ node++;
+ }
+ if (*node == '#') {
+ continue;
+ }
+ if (strcmp(node, "") == 0) {
+ continue;
+ }
+ natgw_node = talloc(ctdb, struct natgw_node);
+ natgw_node->addr = talloc_strdup(natgw_node, node);
+ natgw_node->next = natgw_nodes;
+ natgw_nodes = natgw_node;
+ }
+
+ ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node.\n"));
+ return ret;
+ }
+
+ i=0;
+ while(i<nodemap->num) {
+ for(natgw_node=natgw_nodes;natgw_node;natgw_node=natgw_node->next) {
+ if (!strcmp(natgw_node->addr, ctdb_addr_to_str(&nodemap->nodes[i].addr))) {
+ break;
+ }
+ }
+
+ /* this node was not in the natgw so we just remove it from
+ * the list
+ */
+ if ((natgw_node == NULL)
+ || (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) ) {
+ int j;
+
+ for (j=i+1; j<nodemap->num; j++) {
+ nodemap->nodes[j-1] = nodemap->nodes[j];
+ }
+ nodemap->num--;
+ continue;
+ }
+
+ i++;
+ }
+
+ /* print the natgw master */
+ for(i=0;i<nodemap->num;i++){
+ if (!(nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED)) {
+ printf("%d\n", nodemap->nodes[i].pnn);
+ break;
+ }
+ }
+
+ /* print the pruned list of nodes belonging to this natgw list */
+ for(i=0;i<nodemap->num;i++){
+ printf(":%d:%s:%d:%d:%d:%d:\n", nodemap->nodes[i].pnn,
+ ctdb_addr_to_str(&nodemap->nodes[i].addr),
+ !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
+ !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
+ !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
+ !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY));
+ }
+
+ return 0;
+}
+
+
+/*
+ display the status of the monitoring scripts
+ */
+static int control_scriptstatus(struct ctdb_context *ctdb, int argc, const char **argv)
+{
+ int i, ret;
+ struct ctdb_monitoring_wire *script_status;
+
+ ret = ctdb_ctrl_getscriptstatus(ctdb, TIMELIMIT(), options.pnn, ctdb, &script_status);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get script status from node %u\n", options.pnn));
+ return ret;
+ }
+
+ printf("%d scripts were executed last monitoring cycle\n", script_status->num_scripts);
+ for (i=0; i<script_status->num_scripts; i++) {
+ printf("%-20s Status:%s ",
+ script_status->scripts[i].name,
+ script_status->scripts[i].timedout?"TIMEDOUT":script_status->scripts[i].status==0?"OK":"ERROR");
+ if (script_status->scripts[i].timedout == 0) {
+ printf("Duration:%.3lf ",
+ timeval_delta(&script_status->scripts[i].finished,
+ &script_status->scripts[i].start));
+ }
+ printf("%s",
+ ctime(&script_status->scripts[i].start.tv_sec));
+ if ((script_status->scripts[i].timedout != 0)
+ || (script_status->scripts[i].status != 0) ) {
+ printf(" OUTPUT:%s\n",
+ script_status->scripts[i].output);
+ }
+ }
+
+ return 0;
+}
+
+
/*
display the pnn of the recovery master
*/
static int control_recmaster(struct ctdb_context *ctdb, int argc, const char **argv)
{
int ret;
- uint32_t recmode, recmaster;
- int mypnn;
+ uint32_t recmaster;
ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
if (ret != 0) {
usage();
}
- if (parse_ip(argv[0], &addr) == 0) {
+ if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
return -1;
}
usage();
}
- if (parse_ip(argv[0], &addr) == 0) {
+ if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
return -1;
}
usage();
}
- if (!parse_ip_mask(argv[0], &addr, &mask)) {
+ if (!parse_ip_mask(argv[0], argv[1], &addr, &mask)) {
DEBUG(DEBUG_ERR, ("Badly formed ip/mask : %s\n", argv[0]));
talloc_free(tmp_ctx);
return -1;
return 0;
}
+static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv);
+
+static int control_delip_all(struct ctdb_context *ctdb, int argc, const char **argv, ctdb_sock_addr *addr)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
+ struct ctdb_node_map *nodemap=NULL;
+ struct ctdb_all_public_ips *ips;
+ int ret, i, j;
+
+ ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get nodemap from current node\n"));
+ return ret;
+ }
+
+ /* remove it from the nodes that are not hosting the ip currently */
+ for(i=0;i<nodemap->num;i++){
+ if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
+ continue;
+ }
+ if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
+ continue;
+ }
+
+ for (j=0;j<ips->num;j++) {
+ if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
+ break;
+ }
+ }
+ if (j==ips->num) {
+ continue;
+ }
+
+ if (ips->ips[j].pnn == nodemap->nodes[i].pnn) {
+ continue;
+ }
+
+ options.pnn = nodemap->nodes[i].pnn;
+ control_delip(ctdb, argc, argv);
+ }
+
+
+ /* remove it from every node (also the one hosting it) */
+ for(i=0;i<nodemap->num;i++){
+ if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
+ continue;
+ }
+ if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
+ continue;
+ }
+
+ for (j=0;j<ips->num;j++) {
+ if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
+ break;
+ }
+ }
+ if (j==ips->num) {
+ continue;
+ }
+
+ options.pnn = nodemap->nodes[i].pnn;
+ control_delip(ctdb, argc, argv);
+ }
+
+ talloc_free(tmp_ctx);
+ return 0;
+}
+
/*
delete a public ip address from a node
*/
usage();
}
- if (parse_ip(argv[0], &addr) == 0) {
+ if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
return -1;
}
+ if (options.pnn == CTDB_BROADCAST_ALL) {
+ return control_delip_all(ctdb, argc, argv, &addr);
+ }
+
pub.addr = addr;
pub.mask = 0;
pub.len = 0;
usage();
}
- if (!parse_ip(argv[0], &addr)) {
+ if (!parse_ip(argv[0], NULL, 0, &addr)) {
DEBUG(DEBUG_ERR, ("Bad IP '%s'\n", argv[0]));
return -1;
}
return 0;
}
+static uint32_t get_generation(struct ctdb_context *ctdb)
+{
+ struct ctdb_vnn_map *vnnmap=NULL;
+ int ret;
+
+ /* wait until the recmaster is not in recovery mode */
+ while (1) {
+ uint32_t recmode, recmaster;
+
+ if (vnnmap != NULL) {
+ talloc_free(vnnmap);
+ vnnmap = NULL;
+ }
+
+ /* get the recmaster */
+ ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, &recmaster);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
+ exit(10);
+ }
+
+ /* get recovery mode */
+ ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), recmaster, &recmode);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
+ exit(10);
+ }
+
+ /* get the current generation number */
+ ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), recmaster, ctdb, &vnnmap);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get vnnmap from recmaster (%u)\n", recmaster));
+ exit(10);
+ }
+
+ if ((recmode == CTDB_RECOVERY_NORMAL)
+ && (vnnmap->generation != 1)){
+ return vnnmap->generation;
+ }
+ sleep(1);
+ }
+}
+
/*
ban a node from the cluster
*/
struct ctdb_ban_info b;
TDB_DATA data;
uint32_t ban_time;
+ struct ctdb_node_map *nodemap=NULL;
+ uint32_t generation, next_generation;
if (argc < 1) {
usage();
}
+
+ /* record the current generation number */
+ generation = get_generation(ctdb);
+
+
+ /* verify the node exists */
+ ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
+ if (ret != 0) {
+ DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
+ return ret;
+ }
+
+ if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_BANNED) {
+ DEBUG(DEBUG_ERR,("Node %u is already banned.\n", options.pnn));
+ return -1;
+ }
ban_time = strtoul(argv[0], NULL, 0);
DEBUG(DEBUG_ERR,("Failed to ban node %u\n", options.pnn));
return -1;
}
-
+
+ /* wait until we are in a new generation */
+ while (1) {
+ next_generation = get_generation(ctdb);
+ if (next_generation != generation) {
+ return 0;
+ }
+ sleep(1);
+ }
+
return 0;
}
{
int ret;
TDB_DATA data;
+ uint32_t generation, next_generation;
+
+ /* record the current generation number */
+ generation = get_generation(ctdb);
data.dptr = (uint8_t *)&options.pnn;
data.dsize = sizeof(uint32_t);
return -1;
}
+ /* wait until we are in a new generation */
+ while (1) {
+ next_generation = get_generation(ctdb);
+ if (next_generation != generation) {
+ return 0;
+ }
+ sleep(1);
+ }
+
return 0;
}
static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
{
int ret;
+ uint32_t generation, next_generation;
+
+ /* record the current generation number */
+ generation = get_generation(ctdb);
ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
if (ret != 0) {
return ret;
}
+ /* wait until we are in a new generation */
+ while (1) {
+ next_generation = get_generation(ctdb);
+ if (next_generation != generation) {
+ return 0;
+ }
+ sleep(1);
+ }
+
return 0;
}
}
db_name = argv[0];
+
+
+ if (db_exists(ctdb, db_name)) {
+ DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
+ return -1;
+ }
+
ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
if (ctdb_db == NULL) {
ret = ctdb_ctrl_ping(ctdb, options.pnn);
if (ret == -1) {
printf("Unable to get ping response from node %u\n", options.pnn);
+ return -1;
} else {
printf("response from %u time=%.6f sec (%d clients)\n",
options.pnn, timeval_elapsed(&tv), ret);
return debug_levels[i].level;
}
}
- return DEBUG_ERR;
+
+ fprintf(stderr, "Invalid debug level '%s'\nMust be one of\n", desc);
+ for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
+ fprintf(stderr, " %s\n", debug_levels[i].description);
+ }
+
+ exit(10);
}
/*
static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
{
int ret;
- uint32_t level;
+ int32_t level;
if (argc < 1) {
usage();
if (isalpha(argv[0][0])) {
level = get_debug_by_desc(argv[0]);
} else {
- level = strtoul(argv[0], NULL, 0);
+ level = strtol(argv[0], NULL, 0);
}
ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
return 0;
}
+/*
+ * set flags of a node in the nodemap
+ */
+static int control_setflags(struct ctdb_context *ctdb, int argc, const char **argv)
+{
+ int ret;
+ int32_t status;
+ int node;
+ int flags;
+ TDB_DATA data;
+ struct ctdb_node_flag_change c;
+
+ if (argc != 2) {
+ usage();
+ return -1;
+ }
+
+ if (sscanf(argv[0], "%d", &node) != 1) {
+ DEBUG(DEBUG_ERR, ("Badly formed node\n"));
+ usage();
+ return -1;
+ }
+ if (sscanf(argv[1], "0x%x", &flags) != 1) {
+ DEBUG(DEBUG_ERR, ("Badly formed flags\n"));
+ usage();
+ return -1;
+ }
+
+ c.pnn = node;
+ c.old_flags = 0;
+ c.new_flags = flags;
+
+ data.dsize = sizeof(c);
+ data.dptr = (unsigned char *)&c;
+
+ ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_MODIFY_FLAGS, 0,
+ data, NULL, NULL, &status, NULL, NULL);
+ if (ret != 0 || status != 0) {
+ DEBUG(DEBUG_ERR,("Failed to modify flags\n"));
+ return -1;
+ }
+ return 0;
+}
+
/*
dump memory usage
*/
DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", mypnn));
}
+ /* initiate a recovery */
+ control_recover(ctdb, argc, argv);
+
return 0;
}
{ "backupdb", control_backupdb, false, "backup the database into a file.", "<database> <file>"},
{ "restoredb", control_restoredb, false, "restore the database from a file.", "<file>"},
{ "recmaster", control_recmaster, false, "show the pnn for the recovery master."},
+ { "setflags", control_setflags, false, "set flags for a node in the nodemap.", "<node> <flags>"},
+ { "scriptstatus", control_scriptstatus, false, "show the status of the monitoring scripts"},
+ { "natgwlist", control_natgwlist, false, "show the nodes belonging to this natgw configuration"},
};
/*
static void ctdb_alarm(int sig)
{
printf("Maximum runtime exceeded - exiting\n");
- _exit(0);
+ _exit(ERR_TIMEOUT);
}
/*
usage();
}
+ if (options.maxruntime == 0) {
+ const char *ctdb_timeout;
+ ctdb_timeout = getenv("CTDB_TIMEOUT");
+ if (ctdb_timeout != NULL) {
+ options.maxruntime = strtoul(ctdb_timeout, NULL, 0);
+ }
+ }
if (options.maxruntime != 0) {
signal(SIGALRM, ctdb_alarm);
alarm(options.maxruntime);
exit(1);
}
+ /* verify the node exists */
+ verify_node(ctdb);
+
for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
if (strcmp(control, ctdb_commands[i].name) == 0) {
int j;
git.samba.org / sahlberg / ctdb.git / blobdiff