hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Allow runtime changes to service parameters

Browse Source 
General service parameters can now be altered at runtime.
This commit is contained in:
Markus Mäkelä
2017-04-25 16:01:09 +03:00
parent f7fefad2e6
commit d282b14b36
3 changed files with 150 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
server/modules/routing/debugcli/debugcmd.c
View File

@ -1513,6 +1513,34 @@ static void alterMonitor(DCB *dcb, MXS_MONITOR *monitor, char *v1, char *v2, cha
}
static void alterService(DCB *dcb, SERVICE *service, char *v1, char *v2, char *v3,
char *v4, char *v5, char *v6, char *v7, char *v8, char *v9,
char *v10, char *v11)
{
char *values[11] = {v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11};
const int items = sizeof(values) / sizeof(values[0]);
for (int i = 0; i < items && values[i]; i++)
{
char *key = values[i];
char *value = strchr(key, '=');
if (value)
{
*value++ = '\0';
if (!runtime_alter_service(service, key, value))
{
dcb_printf(dcb, "Error: Bad key-value parameter: %s=%s\n", key, value);
}
}
else
{
dcb_printf(dcb, "Error: not a key-value parameter: %s\n", values[i]);
}
}
}
struct subcommand alteroptions[] =
{
{
@ -1574,6 +1602,37 @@ struct subcommand alteroptions[] =
ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING
}
},
{
"service", 2, 12, alterService,
"Alter service parameters",
"Usage: alter service NAME KEY=VALUE ...\n"
"\n"
"Parameters:\n"
"NAME Service name\n"
"KEY=VALUE List of `key=value` pairs separated by spaces\n"
"\n"
"All services support the following values for KEY:\n"
"user Username used when connecting to servers\n"
"password Password used when connecting to servers\n"
"enable_root_user Allow root user access through this service\n"
"max_retry_interval Maximum restart retry interval\n"
"max_connections Maximum connection limit\n"
"connection_timeout Client idle timeout in seconds\n"
"auth_all_servers Retrieve authentication data from all servers\n"
"strip_db_esc Strip escape characters from database names\n"
"localhost_match_wildcard_host Match wildcard host to 'localhost' address\n"
"version_string The version string given to client connections\n"
"weightby Weighting parameter name\n"
"log_auth_warnings Log authentication warnings\n"
"retry_on_failure Retry service start on failure\n"
"\n"
"Example: alter service my-service user=maxuser password=maxpwd",
{
ARG_TYPE_SERVICE, ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING,
ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING,
ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING, ARG_TYPE_STRING
}
},
{
EMPTY_OPTION
}