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MINOR: server: enable standard options for dynamic servers

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Enable a subset of server options to be used as keywords on the CLI
command 'add server'. These options are safe and can be applied
flawlessly for a dynamic server.
This commit is contained in:
Amaury Denoyelle 2021-03-09 17:36:23 +01:00
parent 65273abf41
commit fc465a54fd
2 changed files with 46 additions and 23 deletions
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27
doc/management.txt
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@ -1432,8 +1432,31 @@ add server <backend>/<server> [args]*
restriction is put on the backend which must used a compatible load-balancing
algorithm with consistent hashing method. A subset of keywords from the
server config file statement can be used to configure the server behavior.
They can also be specified via an existing 'default-server' statement in the
backend. For the moment, no keywords are supported.
Also note that no settings will be reused from an hypothetical
'defaut-server' statement in the same backend.
Here is the list of the currently supported keywords :
- backup
- disabled
- enabled
- id
- maxconn
- maxqueue
- minconn
- pool-low-conn
- pool-max-conn
- pool-purge-delay
- proxy-v2-options
- send-proxy
- send-proxy-v2
- source
- tfo
- usesrc
- weight
Their syntax is similar to the server line from the configuration file,
please refer to their individual documentation for details.
add ssl crt-list <crtlist> <certificate>
add ssl crt-list <crtlist> <payload>

42
src/server.c
View File

@ -1626,48 +1626,48 @@ void srv_compute_all_admin_states(struct proxy *px)
* Note: -1 as ->skip value means that the number of arguments are variable.
*/
static struct srv_kw_list srv_kws = { "ALL", { }, {
{ "backup", srv_parse_backup, 0, 1, 0 }, /* Flag as backup server */
{ "backup", srv_parse_backup, 0, 1, 1 }, /* Flag as backup server */
{ "cookie", srv_parse_cookie, 1, 1, 0 }, /* Assign a cookie to the server */
{ "disabled", srv_parse_disabled, 0, 1, 0 }, /* Start the server in 'disabled' state */
{ "enabled", srv_parse_enabled, 0, 1, 0 }, /* Start the server in 'enabled' state */
{ "disabled", srv_parse_disabled, 0, 1, 1 }, /* Start the server in 'disabled' state */
{ "enabled", srv_parse_enabled, 0, 1, 1 }, /* Start the server in 'enabled' state */
{ "error-limit", srv_parse_error_limit, 1, 1, 0 }, /* Configure the consecutive count of check failures to consider a server on error */
{ "id", srv_parse_id, 1, 0, 0 }, /* set id# of server */
{ "id", srv_parse_id, 1, 0, 1 }, /* set id# of server */
{ "init-addr", srv_parse_init_addr, 1, 1, 0 }, /* */
{ "log-proto", srv_parse_log_proto, 1, 1, 0 }, /* Set the protocol for event messages, only relevant in a ring section */
{ "maxconn", srv_parse_maxconn, 1, 1, 0 }, /* Set the max number of concurrent connection */
{ "maxqueue", srv_parse_maxqueue, 1, 1, 0 }, /* Set the max number of connection to put in queue */
{ "maxconn", srv_parse_maxconn, 1, 1, 1 }, /* Set the max number of concurrent connection */
{ "maxqueue", srv_parse_maxqueue, 1, 1, 1 }, /* Set the max number of connection to put in queue */
{ "max-reuse", srv_parse_max_reuse, 1, 1, 0 }, /* Set the max number of requests on a connection, -1 means unlimited */
{ "minconn", srv_parse_minconn, 1, 1, 0 }, /* Enable a dynamic maxconn limit */
{ "minconn", srv_parse_minconn, 1, 1, 1 }, /* Enable a dynamic maxconn limit */
{ "namespace", srv_parse_namespace, 1, 1, 0 }, /* Namespace the server socket belongs to (if supported) */
{ "no-backup", srv_parse_no_backup, 0, 1, 0 }, /* Flag as non-backup server */
{ "no-send-proxy", srv_parse_no_send_proxy, 0, 1, 0 }, /* Disable use of PROXY V1 protocol */
{ "no-send-proxy-v2", srv_parse_no_send_proxy_v2, 0, 1, 0 }, /* Disable use of PROXY V2 protocol */
{ "no-tfo", srv_parse_no_tfo, 0, 1, 0 }, /* Disable use of TCP Fast Open */
{ "no-backup", srv_parse_no_backup, 0, 1, 1 }, /* Flag as non-backup server */
{ "no-send-proxy", srv_parse_no_send_proxy, 0, 1, 1 }, /* Disable use of PROXY V1 protocol */
{ "no-send-proxy-v2", srv_parse_no_send_proxy_v2, 0, 1, 1 }, /* Disable use of PROXY V2 protocol */
{ "no-tfo", srv_parse_no_tfo, 0, 1, 1 }, /* Disable use of TCP Fast Open */
{ "non-stick", srv_parse_non_stick, 0, 1, 0 }, /* Disable stick-table persistence */
{ "observe", srv_parse_observe, 1, 1, 0 }, /* Enables health adjusting based on observing communication with the server */
{ "on-error", srv_parse_on_error, 1, 1, 0 }, /* Configure the action on check failure */
{ "on-marked-down", srv_parse_on_marked_down, 1, 1, 0 }, /* Configure the action when a server is marked down */
{ "on-marked-up", srv_parse_on_marked_up, 1, 1, 0 }, /* Configure the action when a server is marked up */
{ "pool-low-conn", srv_parse_pool_low_conn, 1, 1, 0 }, /* Set the min number of orphan idle connecbefore being allowed to pick from other threads */
{ "pool-max-conn", srv_parse_pool_max_conn, 1, 1, 0 }, /* Set the max number of orphan idle connections, -1 means unlimited */
{ "pool-purge-delay", srv_parse_pool_purge_delay, 1, 1, 0 }, /* Set the time before we destroy orphan idle connections, defaults to 1s */
{ "pool-low-conn", srv_parse_pool_low_conn, 1, 1, 1 }, /* Set the min number of orphan idle connecbefore being allowed to pick from other threads */
{ "pool-max-conn", srv_parse_pool_max_conn, 1, 1, 1 }, /* Set the max number of orphan idle connections, -1 means unlimited */
{ "pool-purge-delay", srv_parse_pool_purge_delay, 1, 1, 1 }, /* Set the time before we destroy orphan idle connections, defaults to 1s */
{ "proto", srv_parse_proto, 1, 1, 0 }, /* Set the proto to use for all outgoing connections */
{ "proxy-v2-options", srv_parse_proxy_v2_options, 1, 1, 0 }, /* options for send-proxy-v2 */
{ "proxy-v2-options", srv_parse_proxy_v2_options, 1, 1, 1 }, /* options for send-proxy-v2 */
{ "redir", srv_parse_redir, 1, 1, 0 }, /* Enable redirection mode */
{ "resolve-net", srv_parse_resolve_net, 1, 1, 0 }, /* Set the prefered network range for name resolution */
{ "resolve-opts", srv_parse_resolve_opts, 1, 1, 0 }, /* Set options for name resolution */
{ "resolve-prefer", srv_parse_resolve_prefer, 1, 1, 0 }, /* Set the prefered family for name resolution */
{ "resolvers", srv_parse_resolvers, 1, 1, 0 }, /* Configure the resolver to use for name resolution */
{ "send-proxy", srv_parse_send_proxy, 0, 1, 0 }, /* Enforce use of PROXY V1 protocol */
{ "send-proxy-v2", srv_parse_send_proxy_v2, 0, 1, 0 }, /* Enforce use of PROXY V2 protocol */
{ "send-proxy", srv_parse_send_proxy, 0, 1, 1 }, /* Enforce use of PROXY V1 protocol */
{ "send-proxy-v2", srv_parse_send_proxy_v2, 0, 1, 1 }, /* Enforce use of PROXY V2 protocol */
{ "slowstart", srv_parse_slowstart, 1, 1, 0 }, /* Set the warm-up timer for a previously failed server */
{ "source", srv_parse_source, -1, 1, 0 }, /* Set the source address to be used to connect to the server */
{ "source", srv_parse_source, -1, 1, 1 }, /* Set the source address to be used to connect to the server */
{ "stick", srv_parse_stick, 0, 1, 0 }, /* Enable stick-table persistence */
{ "tfo", srv_parse_tfo, 0, 1, 0 }, /* enable TCP Fast Open of server */
{ "tfo", srv_parse_tfo, 0, 1, 1 }, /* enable TCP Fast Open of server */
{ "track", srv_parse_track, 1, 1, 0 }, /* Set the current state of the server, tracking another one */
{ "socks4", srv_parse_socks4, 1, 1, 0 }, /* Set the socks4 proxy of the server*/
{ "usesrc", srv_parse_usesrc, 0, 1, 0 }, /* safe-guard against usesrc without preceding <source> keyword */
{ "weight", srv_parse_weight, 1, 1, 0 }, /* Set the load-balancing weight */
{ "usesrc", srv_parse_usesrc, 0, 1, 1 }, /* safe-guard against usesrc without preceding <source> keyword */
{ "weight", srv_parse_weight, 1, 1, 1 }, /* Set the load-balancing weight */
{ NULL, NULL, 0 },
}};