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A recent patch has introduced a new state for proxies : unpublished backends. Such backends won't be eligilible for traffic, thus use_backend/default_backend rules which target them won't match and content switching rules processing will continue. This patch defines a new frontend keywords 'force-be-switch'. This keyword allows to ignore unpublished or disabled state. Thus, use_backend/default_backend will match even if the target backend is unpublished or disabled. This is useful to be able to test a backend instance before exposing it outside. This new keyword is converted into a persist rule of new type PERSIST_TYPE_BE_SWITCH, stored in persist_rules list proxy member. This is the only persist rule applicable to frontend side. Prior to this commit, pure frontend proxies persist_rules list were always empty. This new features requires adjustment in process_switching_rules(). Now, when a use_backend/default_backend rule matches with an non eligible backend, frontend persist_rules are inspected to detect if a force-be-switch is present so that the backend may be selected. |
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| .. | ||
| design-thoughts | ||
| internals | ||
| lua-api | ||
| 51Degrees-device-detection.txt | ||
| acl.fig | ||
| coding-style.txt | ||
| configuration.txt | ||
| cookie-options.txt | ||
| DeviceAtlas-device-detection.txt | ||
| gpl.txt | ||
| haproxy.1 | ||
| HAProxyCommunityEdition_60px.png | ||
| intro.txt | ||
| lgpl.txt | ||
| linux-syn-cookies.txt | ||
| lua.txt | ||
| management.txt | ||
| netscaler-client-ip-insertion-protocol.txt | ||
| network-namespaces.txt | ||
| peers-v2.0.txt | ||
| peers.txt | ||
| proxy-protocol.txt | ||
| queuing.fig | ||
| regression-testing.txt | ||
| seamless_reload.txt | ||
| SOCKS4.protocol.txt | ||
| SPOE.txt | ||
| WURFL-device-detection.txt | ||