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Add force option to set endpoint

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The new `force=yes` option closes all connections to the server that is
being put into maintenance mode. This will immediately close all open
connections to the server without allowing results to return.
This commit is contained in:
Markus Mäkelä
2019-04-02 09:32:44 +03:00
parent f4c6b648d8
commit ebd2162024
4 changed files with 64 additions and 46 deletions
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34
server/core/config.cc
View File

@ -72,17 +72,17 @@ using maxscale::Monitor;
const char CN_ACCOUNT[] = "account";
const char CN_ADDRESS[] = "address";
const char CN_ARG_MAX[] = "arg_max";
const char CN_ARG_MIN[] = "arg_min";
const char CN_ADMIN_AUTH[] = "admin_auth";
const char CN_ADMIN_ENABLED[] = "admin_enabled";
const char CN_ADMIN_LOG_AUTH_FAILURES[] = "admin_log_auth_failures";
const char CN_ADMIN_HOST[] = "admin_host";
const char CN_ADMIN_LOG_AUTH_FAILURES[] = "admin_log_auth_failures";
const char CN_ADMIN_PORT[] = "admin_port";
const char CN_ADMIN_SSL_KEY[] = "admin_ssl_key";
const char CN_ADMIN_SSL_CERT[] = "admin_ssl_cert";
const char CN_ADMIN_SSL_CA_CERT[] = "admin_ssl_ca_cert";
const char CN_ADMIN_SSL_CERT[] = "admin_ssl_cert";
const char CN_ADMIN_SSL_KEY[] = "admin_ssl_key";
const char CN_ARGUMENTS[] = "arguments";
const char CN_ARG_MAX[] = "arg_max";
const char CN_ARG_MIN[] = "arg_min";
const char CN_ATTRIBUTES[] = "attributes";
const char CN_AUTHENTICATOR[] = "authenticator";
const char CN_AUTHENTICATOR_DIAGNOSTICS[] = "authenticator_diagnostics";
@ -94,8 +94,8 @@ const char CN_AUTH_WRITE_TIMEOUT[] = "auth_write_timeout";
const char CN_AUTO[] = "auto";
const char CN_CACHE[] = "cache";
const char CN_CACHE_SIZE[] = "cache_size";
const char CN_CLASSIFY[] = "classify";
const char CN_CLASSIFICATION[] = "classification";
const char CN_CLASSIFY[] = "classify";
const char CN_CLUSTER[] = "cluster";
const char CN_CONNECTION_TIMEOUT[] = "connection_timeout";
const char CN_DATA[] = "data";
@ -104,19 +104,23 @@ const char CN_DESCRIPTION[] = "description";
const char CN_DISK_SPACE_THRESHOLD[] = "disk_space_threshold";
const char CN_DUMP_LAST_STATEMENTS[] = "dump_last_statements";
const char CN_ENABLE_ROOT_USER[] = "enable_root_user";
const char CN_EXTRA_PORT[] = "extra_port";
const char CN_FIELDS[] = "fields";
const char CN_FILTERS[] = "filters";
const char CN_FILTER[] = "filter";
const char CN_FILTER_DIAGNOSTICS[] = "filter_diagnostics";
const char CN_FORCE[] = "force";
const char CN_FUNCTIONS[] = "functions";
const char CN_GATEWAY[] = "gateway";
const char CN_HAS_WHERE_CLAUSE[] = "has_where_clause";
const char CN_HITS[] = "hits";
const char CN_ID[] = "id";
const char CN_INET[] = "inet";
const char CN_LISTENER[] = "listener";
const char CN_LINKS[] = "links";
const char CN_LISTENERS[] = "listeners";
const char CN_LISTENER[] = "listener";
const char CN_LOCALHOST_MATCH_WILDCARD_HOST[] = "localhost_match_wildcard_host";
const char CN_LOCAL_ADDRESS[] = "local_address";
const char CN_LOG_AUTH_WARNINGS[] = "log_auth_warnings";
const char CN_LOG_THROTTLING[] = "log_throttling";
const char CN_MAXSCALE[] = "maxscale";
@ -124,8 +128,8 @@ const char CN_MAX_CONNECTIONS[] = "max_connections";
const char CN_MAX_RETRY_INTERVAL[] = "max_retry_interval";
const char CN_META[] = "meta";
const char CN_METHOD[] = "method";
const char CN_MODULE[] = "module";
const char CN_MODULES[] = "modules";
const char CN_MODULE[] = "module";
const char CN_MODULE_COMMAND[] = "module_command";
const char CN_MONITORS[] = "monitors";
const char CN_MONITOR[] = "monitor";
@ -141,7 +145,6 @@ const char CN_PASSIVE[] = "passive";
const char CN_PASSWORD[] = "password";
const char CN_POLL_SLEEP[] = "poll_sleep";
const char CN_PORT[] = "port";
const char CN_EXTRA_PORT[] = "extra_port";
const char CN_PROTOCOL[] = "protocol";
const char CN_QUERY_CLASSIFIER[] = "query_classifier";
const char CN_QUERY_CLASSIFIER_ARGS[] = "query_classifier_args";
@ -149,8 +152,6 @@ const char CN_QUERY_CLASSIFIER_CACHE_SIZE[] = "query_classifier_cache_size";
const char CN_QUERY_RETRIES[] = "query_retries";
const char CN_QUERY_RETRY_TIMEOUT[] = "query_retry_timeout";
const char CN_RELATIONSHIPS[] = "relationships";
const char CN_LINKS[] = "links";
const char CN_LOCAL_ADDRESS[] = "local_address";
const char CN_REQUIRED[] = "required";
const char CN_RETAIN_LAST_STATEMENTS[] = "retain_last_statements";
const char CN_RETRY_ON_FAILURE[] = "retry_on_failure";
@ -167,16 +168,16 @@ const char CN_SESSION_TRACK_TRX_STATE[] = "session_track_trx_state";
const char CN_SKIP_PERMISSION_CHECKS[] = "skip_permission_checks";
const char CN_SOCKET[] = "socket";
const char CN_SQL_MODE[] = "sql_mode";
const char CN_STATE[] = "state";
const char CN_STATEMENT[] = "statement";
const char CN_STATEMENTS[] = "statements";
const char CN_SSL[] = "ssl";
const char CN_SSL_CA_CERT[] = "ssl_ca_cert";
const char CN_SSL_CERT[] = "ssl_cert";
const char CN_SSL_CERT_VERIFY_DEPTH[] = "ssl_cert_verify_depth";
const char CN_SSL_VERIFY_PEER_CERTIFICATE[] = "ssl_verify_peer_certificate";
const char CN_SSL_KEY[] = "ssl_key";
const char CN_SSL_VERIFY_PEER_CERTIFICATE[] = "ssl_verify_peer_certificate";
const char CN_SSL_VERSION[] = "ssl_version";
const char CN_STATEMENTS[] = "statements";
const char CN_STATEMENT[] = "statement";
const char CN_STATE[] = "state";
const char CN_STRIP_DB_ESC[] = "strip_db_esc";
const char CN_SUBSTITUTE_VARIABLES[] = "substitute_variables";
const char CN_THREADS[] = "threads";
@ -185,13 +186,14 @@ const char CN_TICKS[] = "ticks";
const char CN_TYPE[] = "type";
const char CN_TYPE_MASK[] = "type_mask";
const char CN_UNIX[] = "unix";
const char CN_USER[] = "user";
const char CN_USERS[] = "users";
const char CN_USERS_REFRESH_TIME[] = "users_refresh_time";
const char CN_USER[] = "user";
const char CN_VERSION_STRING[] = "version_string";
const char CN_WEIGHTBY[] = "weightby";
const char CN_WRITEQ_HIGH_WATER[] = "writeq_high_water";
const char CN_WRITEQ_LOW_WATER[] = "writeq_low_water";
const char CN_YES[] = "yes";
extern const char CN_LOGDIR[] = "logdir";

5
server/core/resource.cc
View File

@ -787,6 +787,11 @@ HttpResponse cb_set_server(const HttpRequest& request)
string errmsg;
if (mxs::server_set_status(server, opt, &errmsg))
{
if (status_is_in_maint(opt) && request.get_option(CN_FORCE) == CN_YES)
{
dcb_hangup_foreach(server);
}
return HttpResponse(MHD_HTTP_NO_CONTENT);
}
else