[jboss-jira] [JBoss JIRA] (WFCORE-1742) Allow registering a custom handler for management interface

[Tristan Tarrant (JIRA)]

    [ https://issues.jboss.org/browse/WFCORE-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293705#comment-13293705 ] 

Tristan Tarrant commented on WFCORE-1742:
-----------------------------------------

To clarify Infinispan's requirements:
- the ability to register an additional admin console in parallel with WildFly's when overlaying the Infinispan Datagrid subsystem on top. This is just serving static content (HTML, JS, CSS, etc) which talks to the /management context. A possible extension would allow WildFly's HAL to link to any additional admin consoles which may be overlayed.
- The ability to register a custom handler to implement a health-check context. (Generically, mapping a specific resource or operation to a shor URL as [~sebastian.laskawiec] mentioned)

> Allow registering a custom handler for management interface
> -----------------------------------------------------------
>
>                 Key: WFCORE-1742
>                 URL: https://issues.jboss.org/browse/WFCORE-1742
>             Project: WildFly Core
>          Issue Type: Feature Request
>          Components: Domain Management
>            Reporter: Sebastian Łaskawiec
>
> When building [HealthCheck API for Infisnispan|https://github.com/infinispan/infinispan/pull/4499] we noticed there is no way to register a custom endpoint on Management REST interface. Without it, calling the API requires using HTTP POST method (since it includes runtime parameters) and the URL is very long (and not intuitive for our users):
> {noformat}
> curl --digest -L -D - "http://localhost:9990/management/subsystem/datagrid-infinispan/cache-container/clustered/health/HEALTH?operation=resource&include-runtime=true&json.pretty=1" --header "Content-Type: application/json" -u ispnadmin:ispnadmin
> HTTP/1.1 401 Unauthorized
> Connection: keep-alive
> WWW-Authenticate: Digest realm="ManagementRealm",domain="/management",nonce="AuZzFxz7uC4NMTQ3MDgyNTU1NTQ3OCfIJBHXVpPHPBdzGUy7Qts=",opaque="00000000000000000000000000000000",algorithm=MD5,qop="auth"
> Content-Length: 77
> Content-Type: text/html
> Date: Wed, 10 Aug 2016 10:39:15 GMT
> HTTP/1.1 200 OK
> Connection: keep-alive
> Authentication-Info: nextnonce="AuZzFxz7uC4NMTQ3MDgyNTU1NTQ3OCfIJBHXVpPHPBdzGUy7Qts=",qop="auth",rspauth="b518c3170e627bd732055c382ce5d970",cnonce="NGViOWM0NDY5OGJmNjY0MjcyOWE4NDkyZDU3YzNhYjY=",nc=00000001
> Content-Type: application/json; charset=utf-8
> Content-Length: 1927
> Date: Wed, 10 Aug 2016 10:39:15 GMT
> {
>     "cache-health" : "GREEN",
>     "cluster-health" : ["test"],
>     "cluster-name" : "clustered",
>     "free-memory" : 96778,
>     "log-tail" : [
>         "2016-08-10 11:54:14,706 INFO  [org.infinispan.server.endpoint] (MSC service thread 1-5) DGENDPT10001: HotRodServer listening on 127.0.0.1:11222",
>         "2016-08-10 11:54:14,706 INFO  [org.infinispan.server.endpoint] (MSC service thread 1-1) DGENDPT10001: MemcachedServer listening on 127.0.0.1:11211",
>         "2016-08-10 11:54:14,785 INFO  [org.jboss.as.clustering.infinispan] (MSC service thread 1-6) DGISPN0001: Started ___protobuf_metadata cache from clustered container",
>         "2016-08-10 11:54:14,800 INFO  [org.jboss.as.clustering.infinispan] (MSC service thread 1-6) DGISPN0001: Started ___script_cache cache from clustered container",
>         "2016-08-10 11:54:15,159 INFO  [org.jboss.as.clustering.infinispan] (MSC service thread 1-5) DGISPN0001: Started ___hotRodTopologyCache cache from clustered container",
>         "2016-08-10 11:54:15,210 INFO  [org.infinispan.rest.NettyRestServer] (MSC service thread 1-6) ISPN012003: REST server starting, listening on 127.0.0.1:8080",
>         "2016-08-10 11:54:15,210 INFO  [org.infinispan.server.endpoint] (MSC service thread 1-6) DGENDPT10002: REST mapped to /rest",
>         "2016-08-10 11:54:15,306 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0060: Http management interface listening on http://127.0.0.1:9990/management",
>         "2016-08-10 11:54:15,307 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0051: Admin console listening on http://127.0.0.1:9990",
>         "2016-08-10 11:54:15,307 INFO  [org.jboss.as] (Controller Boot Thread) WFLYSRV0025: Infinispan Server 9.0.0-SNAPSHOT (WildFly Core 2.2.0.CR9) started in 8681ms - Started 196 of 237 services (121 services are lazy, passive or on-demand)"
>     ],
>     "number-of-cpus" : 8,
>     "number-of-nodes" : 1,
>     "total-memory" : 235520
> }%
> {noformat}
> It would be very convenient to allow exposing such endpoints with optional authorization and using custom URLs (e.g. something like http://localhost:9990/health).



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