diff options
Diffstat (limited to 'daemons/controld/controld_messages.c')
| -rw-r--r-- | daemons/controld/controld_messages.c | 197 |
1 files changed, 113 insertions, 84 deletions
diff --git a/daemons/controld/controld_messages.c b/daemons/controld/controld_messages.c index 54b27ec..39f3c7a 100644 --- a/daemons/controld/controld_messages.c +++ b/daemons/controld/controld_messages.c @@ -328,52 +328,80 @@ route_message(enum crmd_fsa_cause cause, xmlNode * input) gboolean relay_message(xmlNode * msg, gboolean originated_locally) { - int dest = 1; + enum crm_ais_msg_types dest = crm_msg_ais; bool is_for_dc = false; bool is_for_dcib = false; bool is_for_te = false; bool is_for_crm = false; bool is_for_cib = false; bool is_local = false; - const char *host_to = crm_element_value(msg, F_CRM_HOST_TO); - const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); - const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); - const char *type = crm_element_value(msg, F_TYPE); - const char *task = crm_element_value(msg, F_CRM_TASK); - const char *ref = crm_element_value(msg, XML_ATTR_REFERENCE); + bool broadcast = false; + const char *host_to = NULL; + const char *sys_to = NULL; + const char *sys_from = NULL; + const char *type = NULL; + const char *task = NULL; + const char *ref = NULL; + crm_node_t *node_to = NULL; + + CRM_CHECK(msg != NULL, return TRUE); + + host_to = crm_element_value(msg, F_CRM_HOST_TO); + sys_to = crm_element_value(msg, F_CRM_SYS_TO); + sys_from = crm_element_value(msg, F_CRM_SYS_FROM); + type = crm_element_value(msg, F_TYPE); + task = crm_element_value(msg, F_CRM_TASK); + ref = crm_element_value(msg, XML_ATTR_REFERENCE); + + broadcast = pcmk__str_empty(host_to); if (ref == NULL) { ref = "without reference ID"; } - if (msg == NULL) { - crm_warn("Cannot route empty message"); - return TRUE; - - } else if (pcmk__str_eq(task, CRM_OP_HELLO, pcmk__str_casei)) { - crm_trace("No routing needed for hello message %s", ref); + if (pcmk__str_eq(task, CRM_OP_HELLO, pcmk__str_casei)) { + crm_trace("Received hello %s from %s (no processing needed)", + ref, pcmk__s(sys_from, "unidentified source")); + crm_log_xml_trace(msg, "hello"); return TRUE; + } - } else if (!pcmk__str_eq(type, T_CRM, pcmk__str_casei)) { - crm_warn("Received invalid message %s: type '%s' not '" T_CRM "'", + // Require message type (set by create_request()) + if (!pcmk__str_eq(type, T_CRM, pcmk__str_casei)) { + crm_warn("Ignoring invalid message %s with type '%s' (not '" T_CRM "')", ref, pcmk__s(type, "")); - crm_log_xml_warn(msg, "[bad message type]"); + crm_log_xml_trace(msg, "ignored"); return TRUE; + } - } else if (sys_to == NULL) { - crm_warn("Received invalid message %s: no subsystem", ref); - crm_log_xml_warn(msg, "[no subsystem]"); + // Require a destination subsystem (also set by create_request()) + if (sys_to == NULL) { + crm_warn("Ignoring invalid message %s with no " F_CRM_SYS_TO, ref); + crm_log_xml_trace(msg, "ignored"); return TRUE; } + // Get the message type appropriate to the destination subsystem + if (is_corosync_cluster()) { + dest = text2msg_type(sys_to); + if ((dest < crm_msg_ais) || (dest > crm_msg_stonith_ng)) { + /* Unrecognized value, use a sane default + * + * @TODO Maybe we should bail instead + */ + dest = crm_msg_crmd; + } + } + is_for_dc = (strcasecmp(CRM_SYSTEM_DC, sys_to) == 0); is_for_dcib = (strcasecmp(CRM_SYSTEM_DCIB, sys_to) == 0); is_for_te = (strcasecmp(CRM_SYSTEM_TENGINE, sys_to) == 0); is_for_cib = (strcasecmp(CRM_SYSTEM_CIB, sys_to) == 0); is_for_crm = (strcasecmp(CRM_SYSTEM_CRMD, sys_to) == 0); + // Check whether message should be processed locally is_local = false; - if (pcmk__str_empty(host_to)) { + if (broadcast) { if (is_for_dc || is_for_te) { is_local = false; @@ -397,6 +425,7 @@ relay_message(xmlNode * msg, gboolean originated_locally) } else if (pcmk__str_eq(controld_globals.our_nodename, host_to, pcmk__str_casei)) { is_local = true; + } else if (is_for_crm && pcmk__str_eq(task, CRM_OP_LRM_DELETE, pcmk__str_casei)) { xmlNode *msg_data = get_message_xml(msg, F_CRM_DATA); const char *mode = crm_element_value(msg_data, PCMK__XA_MODE); @@ -407,69 +436,68 @@ relay_message(xmlNode * msg, gboolean originated_locally) } } - if (is_for_dc || is_for_dcib || is_for_te) { - if (AM_I_DC && is_for_te) { - crm_trace("Route message %s locally as transition request", ref); - send_msg_via_ipc(msg, sys_to); + // Check whether message should be relayed - } else if (AM_I_DC) { + if (is_for_dc || is_for_dcib || is_for_te) { + if (AM_I_DC) { + if (is_for_te) { + crm_trace("Route message %s locally as transition request", + ref); + crm_log_xml_trace(msg, sys_to); + send_msg_via_ipc(msg, sys_to); + return TRUE; // No further processing of message is needed + } crm_trace("Route message %s locally as DC request", ref); return FALSE; // More to be done by caller + } - } else if (originated_locally && !pcmk__strcase_any_of(sys_from, CRM_SYSTEM_PENGINE, - CRM_SYSTEM_TENGINE, NULL)) { - - if (is_corosync_cluster()) { - dest = text2msg_type(sys_to); + if (originated_locally + && !pcmk__strcase_any_of(sys_from, CRM_SYSTEM_PENGINE, + CRM_SYSTEM_TENGINE, NULL)) { + crm_trace("Relay message %s to DC (via %s)", + ref, pcmk__s(host_to, "broadcast")); + crm_log_xml_trace(msg, "relayed"); + if (!broadcast) { + node_to = crm_get_peer(0, host_to); } - crm_trace("Relay message %s to DC", ref); - send_cluster_message(host_to ? crm_get_peer(0, host_to) : NULL, dest, msg, TRUE); - - } else { - /* Neither the TE nor the scheduler should be sending messages - * to DCs on other nodes. By definition, if we are no longer the DC, - * then the scheduler's or TE's data should be discarded. - */ - crm_trace("Discard message %s because we are not DC", ref); + send_cluster_message(node_to, dest, msg, TRUE); + return TRUE; } - } else if (is_local && (is_for_crm || is_for_cib)) { - crm_trace("Route message %s locally as controller request", ref); - return FALSE; // More to be done by caller - - } else if (is_local) { - crm_trace("Relay message %s locally to %s", - ref, (sys_to? sys_to : "unknown client")); - crm_log_xml_trace(msg, "[IPC relay]"); - send_msg_via_ipc(msg, sys_to); - - } else { - crm_node_t *node_to = NULL; - - if (is_corosync_cluster()) { - dest = text2msg_type(sys_to); + /* Transition engine and scheduler messages are sent only to the DC on + * the same node. If we are no longer the DC, discard this message. + */ + crm_trace("Ignoring message %s because we are no longer DC", ref); + crm_log_xml_trace(msg, "ignored"); + return TRUE; // No further processing of message is needed + } - if (dest == crm_msg_none || dest > crm_msg_stonith_ng) { - dest = crm_msg_crmd; - } + if (is_local) { + if (is_for_crm || is_for_cib) { + crm_trace("Route message %s locally as controller request", ref); + return FALSE; // More to be done by caller } + crm_trace("Relay message %s locally to %s", ref, sys_to); + crm_log_xml_trace(msg, "IPC-relay"); + send_msg_via_ipc(msg, sys_to); + return TRUE; + } - if (host_to) { - node_to = pcmk__search_cluster_node_cache(0, host_to); - if (node_to == NULL) { - crm_warn("Cannot route message %s: Unknown node %s", - ref, host_to); - return TRUE; - } - crm_trace("Relay message %s to %s", - ref, (node_to->uname? node_to->uname : "peer")); - } else { - crm_trace("Broadcast message %s to all peers", ref); + if (!broadcast) { + node_to = pcmk__search_cluster_node_cache(0, host_to, NULL); + if (node_to == NULL) { + crm_warn("Ignoring message %s because node %s is unknown", + ref, host_to); + crm_log_xml_trace(msg, "ignored"); + return TRUE; } - send_cluster_message(host_to ? node_to : NULL, dest, msg, TRUE); } - return TRUE; // No further processing of message is needed + crm_trace("Relay message %s to %s", + ref, pcmk__s(host_to, "all peers")); + crm_log_xml_trace(msg, "relayed"); + send_cluster_message(node_to, dest, msg, TRUE); + return TRUE; } // Return true if field contains a positive integer @@ -546,6 +574,7 @@ controld_authorize_ipc_message(const xmlNode *client_msg, pcmk__client_t *curr_c } crm_trace("Validated IPC hello from client %s", client_name); + crm_log_xml_trace(client_msg, "hello"); if (curr_client) { curr_client->userdata = strdup(client_name); } @@ -553,6 +582,7 @@ controld_authorize_ipc_message(const xmlNode *client_msg, pcmk__client_t *curr_c return false; rejected: + crm_log_xml_trace(client_msg, "rejected"); if (curr_client) { qb_ipcs_disconnect(curr_client->ipcs); } @@ -575,7 +605,9 @@ handle_message(xmlNode *msg, enum crmd_fsa_cause cause) return I_NULL; } - crm_err("Unknown message type: %s", type); + crm_warn("Ignoring message with unknown " F_CRM_MSG_TYPE " '%s'", + pcmk__s(type, "")); + crm_log_xml_trace(msg, "bad"); return I_NULL; } @@ -701,7 +733,7 @@ handle_lrm_delete(xmlNode *stored_msg) crm_info("Notifying %s on %s that %s was%s deleted", from_sys, (from_host? from_host : "local node"), rsc_id, ((rc == pcmk_rc_ok)? "" : " not")); - op = lrmd_new_event(rsc_id, CRMD_ACTION_DELETE, 0); + op = lrmd_new_event(rsc_id, PCMK_ACTION_DELETE, 0); op->type = lrmd_event_exec_complete; op->user_data = strdup(transition? transition : FAKE_TE_ID); op->params = pcmk__strkey_table(free, free); @@ -732,7 +764,7 @@ handle_remote_state(const xmlNode *msg) bool remote_is_up = false; int rc = pcmk_rc_ok; - rc = pcmk__xe_get_bool_attr(msg, XML_NODE_IN_CLUSTER, &remote_is_up); + rc = pcmk__xe_get_bool_attr(msg, PCMK__XA_IN_CCM, &remote_is_up); CRM_CHECK(remote_uname && rc == pcmk_rc_ok, return I_NULL); @@ -818,7 +850,7 @@ handle_node_list(const xmlNode *request) crm_xml_add_ll(xml, XML_ATTR_ID, (long long) node->id); // uint32_t crm_xml_add(xml, XML_ATTR_UNAME, node->uname); - crm_xml_add(xml, XML_NODE_IN_CLUSTER, node->state); + crm_xml_add(xml, PCMK__XA_IN_CCM, node->state); } // Create and send reply @@ -875,7 +907,7 @@ handle_node_info_request(const xmlNode *msg) if (node) { crm_xml_add(reply_data, XML_ATTR_ID, node->uuid); crm_xml_add(reply_data, XML_ATTR_UNAME, node->uname); - crm_xml_add(reply_data, XML_NODE_IS_PEER, node->state); + crm_xml_add(reply_data, PCMK__XA_CRMD, node->state); pcmk__xe_set_bool_attr(reply_data, XML_NODE_IS_REMOTE, pcmk_is_set(node->flags, crm_remote_node)); } @@ -988,14 +1020,15 @@ handle_request(xmlNode *stored_msg, enum crmd_fsa_cause cause) /* Optimize this for the DC - it has the most to do */ + crm_log_xml_trace(stored_msg, "request"); if (op == NULL) { - crm_log_xml_warn(stored_msg, "[request without " F_CRM_TASK "]"); + crm_warn("Ignoring request without " F_CRM_TASK); return I_NULL; } if (strcmp(op, CRM_OP_SHUTDOWN_REQ) == 0) { const char *from = crm_element_value(stored_msg, F_CRM_HOST_FROM); - crm_node_t *node = pcmk__search_cluster_node_cache(0, from); + crm_node_t *node = pcmk__search_cluster_node_cache(0, from, NULL); pcmk__update_peer_expected(__func__, node, CRMD_JOINSTATE_DOWN); if(AM_I_DC == FALSE) { @@ -1062,11 +1095,6 @@ handle_request(xmlNode *stored_msg, enum crmd_fsa_cause cause) if (controld_globals.fsa_state == S_HALT) { crm_debug("Forcing an election from S_HALT"); return I_ELECTION; -#if 0 - } else if (AM_I_DC) { - /* This is the old way of doing things but what is gained? */ - return I_ELECTION; -#endif } } else if (strcmp(op, CRM_OP_JOIN_OFFER) == 0) { @@ -1157,8 +1185,9 @@ handle_response(xmlNode *stored_msg) { const char *op = crm_element_value(stored_msg, F_CRM_TASK); + crm_log_xml_trace(stored_msg, "reply"); if (op == NULL) { - crm_log_xml_err(stored_msg, "Bad message"); + crm_warn("Ignoring reply without " F_CRM_TASK); } else if (AM_I_DC && strcmp(op, CRM_OP_PECALC) == 0) { // Check whether scheduler answer been superseded by subsequent request @@ -1295,7 +1324,7 @@ broadcast_remote_state_message(const char *node_name, bool node_up) node_name, node_up? "coming up" : "going down"); crm_xml_add(msg, XML_ATTR_ID, node_name); - pcmk__xe_set_bool_attr(msg, XML_NODE_IN_CLUSTER, node_up); + pcmk__xe_set_bool_attr(msg, PCMK__XA_IN_CCM, node_up); if (node_up) { crm_xml_add(msg, PCMK__XA_CONN_HOST, controld_globals.our_nodename); |