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BUG: random order register backend handler path #588

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wu0407 opened this issue Nov 8, 2021 · 1 comment
Open

BUG: random order register backend handler path #588

wu0407 opened this issue Nov 8, 2021 · 1 comment

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@wu0407
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wu0407 commented Nov 8, 2021 •
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trickster version: 2.0.0-beta2 and main

The path /api/v1/query handled by diffrent handler when multi run trickster.

/api/v1/query handle by httpproxy:

 POST /api/v1/query?query=sum%28traefik_backend_requests_total%3Arate_2m%7Bcode%3D%22502%22%2C+backend%21%3D%22dashboard-k8scs1-online.xxx.com%2F%22%7D%29+by+%28backend%2C+cluster%29&step=15s&time=1635906330 HTTP/1.1
> Host: 127.0.0.1:8480
> User-Agent: curl/7.73.0
> Accept: */*
> Content-Type: application/json; charset=utf-8
> Content-Length: 0
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
< Access-Control-Allow-Origin: *
< Connection: keep-alive
< Content-Type: application/json; charset=utf-8
< Date: Fri, 05 Nov 2021 12:03:52 GMT
< X-Server-Hostname: vmselect-victoria-metrics-k8s-stack-6
< X-Trickster-Result: engine=HTTPProxy; status=proxy-only
< Transfer-Encoding: chunked

running logs:

time=2021-11-05T08:48:49.159669704Z app=trickster level=debug event="default backend identified" name=default caller=routing/routing.go:93
time=2021-11-05T08:48:49.159728924Z app=trickster level=info event="application loaded from configuration" logLevel=debug caller=trickster/config.go:262 goArch=amd64 commitID=3ae970a4eab3faa3204b7329e7796a35b6fac54c goVersion=go1.16 buildTime=2021-04-22T21:49:06+0000 config=/etc/trickster/trickster.yaml pid=1 name=trickster version=2.0.0-beta2
time=2021-11-05T08:48:49.15977232Z app=trickster level=info event="connecting to redis" Endpoint=redis:6379 caller=cache/redis/redis.go:65 protocol=tcp
time=2021-11-05T08:48:49.179134852Z app=trickster level=debug event="default backend identified" name=default caller=routing/routing.go:93
time=2021-11-05T08:48:49.179185169Z app=trickster level=info event="registering route paths" backendProvider=prometheus upstreamHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 caller=routing/routing.go:170 backendName=default
time=2021-11-05T08:48:49.179223214Z app=trickster level=debug event="registering backend handler path" handlerName=proxycache backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/targets/metadata matchType=exact frontendHosts= caller=routing/routing.go:307 backendName=default path=/api/v1/targets/metadata-0000000001
time=2021-11-05T08:48:49.179278879Z app=trickster level=debug event="registering backend handler path" handlerName=proxycache backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/alertmanagers matchType=exact frontendHosts= caller=routing/routing.go:307 backendName=default path=/api/v1/alertmanagers-0000000001
time=2021-11-05T08:48:49.179307981Z app=trickster level=debug event="registering backend handler path" caller=routing/routing.go:307 backendName=default path=/api/v1/targets-0000000001 handlerName=proxycache backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/targets matchType=exact frontendHosts=
time=2021-11-05T08:48:49.179311046Z app=trickster level=debug event="registering backend handler path" backendName=default path=/api/v1/query_range-0000000101 handlerName=query_range backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/query_range matchType=exact frontendHosts= caller=routing/routing.go:307
time=2021-11-05T08:48:49.179333161Z app=trickster level=debug event="registering backend handler path" matchType=exact frontendHosts= caller=routing/routing.go:307 backendName=default path=/api/v1/labels-0000000101 handlerName=labels backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/labels
time=2021-11-05T08:48:49.179362657Z app=trickster level=debug event="registering backend handler path" backendName=default path=/api/v1/series-0000000101 handlerName=series backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/series matchType=exact frontendHosts= caller=routing/routing.go:307
time=2021-11-05T08:48:49.179404208Z app=trickster level=debug event="registering backend handler path" path=/api/v1/alerts-0000000001 handlerName=alerts backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/alerts matchType=exact frontendHosts= caller=routing/routing.go:307 backendName=default
time=2021-11-05T08:48:49.179411895Z app=trickster level=debug event="registering backend handler path" backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/label/ matchType=prefix frontendHosts= caller=routing/routing.go:307 backendName=default path=/api/v1/label/-0000000001 handlerName=labels
time=2021-11-05T08:48:49.179428035Z app=trickster level=debug event="registering backend handler path" backendName=default path=/api/v1/status-0000000001 handlerName=proxycache backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/status matchType=prefix frontendHosts= caller=routing/routing.go:307
time=2021-11-05T08:48:49.17944088Z app=trickster level=debug event="registering backend handler path" path=/api/v1/admin-1111111111 handlerName=admin backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/admin matchType=prefix frontendHosts= caller=routing/routing.go:307 backendName=default
time=2021-11-05T08:48:49.179514285Z app=trickster level=debug event="registering backend handler path" path=/api/v1/-0000000101 handlerName=proxy backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/ matchType=prefix frontendHosts= caller=routing/routing.go:307 backendName=default
time=2021-11-05T08:48:49.179514459Z app=trickster level=debug event="registering backend handler path" backendName=default path=/api/v1/query-0000000101 handlerName=query backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/query matchType=exact frontendHosts= caller=routing/routing.go:307
time=2021-11-05T08:48:49.179533202Z app=trickster level=debug event="registering backend handler path" path=/api/v1/rules-0000000001 handlerName=proxycache backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/rules matchType=exact frontendHosts= caller=routing/routing.go:307 backendName=default
time=2021-11-05T08:48:49.179556191Z app=trickster level=info event="registering default backend handler paths" backendName=default caller=routing/routing.go:385
time=2021-11-05T08:48:49.179534553Z app=trickster level=debug event="registering backend handler path" handlerName=proxy backendHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/ matchType=prefix frontendHosts= caller=routing/routing.go:307 backendName=default path=/-0000000101
time=2021-11-05T08:48:49.179558842Z app=trickster level=debug event="registering health handler path" path=/trickster/health/default backendName=default upstreamPath=/select/0/prometheus/api/v1/query upstreamVerb= caller=routing/routing.go:196
time=2021-11-05T08:48:49.1796447Z app=trickster level=debug event="registering default backend handler paths" handlerName=alerts matchType=exact caller=routing/routing.go:389 backendName=default path=/api/v1/alerts
time=2021-11-05T08:48:49.17964634Z app=trickster level=debug event="registering default backend handler paths" path=/api/v1/query_range handlerName=query_range matchType=exact caller=routing/routing.go:389 backendName=default
time=2021-11-05T08:48:49.179663664Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/series handlerName=series matchType=exact caller=routing/routing.go:389
time=2021-11-05T08:48:49.179671911Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/targets/metadata handlerName=proxycache matchType=exact caller=routing/routing.go:389
time=2021-11-05T08:48:49.179723704Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/admin handlerName=admin matchType=prefix caller=routing/routing.go:389
time=2021-11-05T08:48:49.179746506Z app=trickster level=debug event="registering default backend handler paths" matchType=prefix caller=routing/routing.go:389 backendName=default path=/api/v1/label/ handlerName=labels
time=2021-11-05T08:48:49.179749658Z app=trickster level=debug event="registering default backend handler paths" caller=routing/routing.go:389 backendName=default path=/api/v1/labels handlerName=labels matchType=exact
time=2021-11-05T08:48:49.17975588Z app=trickster level=debug event="registering default backend handler paths" caller=routing/routing.go:389 backendName=default path=/api/v1/ handlerName=proxy matchType=prefix
time=2021-11-05T08:48:49.179770329Z app=trickster level=debug event="registering default backend handler paths" handlerName=proxycache matchType=exact caller=routing/routing.go:389 backendName=default path=/api/v1/targets
time=2021-11-05T08:48:49.179839162Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/query handlerName=query matchType=exact caller=routing/routing.go:389
time=2021-11-05T08:48:49.179846136Z app=trickster level=debug event="registering default backend handler paths" path=/api/v1/rules handlerName=proxycache matchType=exact caller=routing/routing.go:389 backendName=default
time=2021-11-05T08:48:49.179842085Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/query handlerName=query matchType=exact caller=routing/routing.go:389
time=2021-11-05T08:48:49.179846136Z app=trickster level=debug event="registering default backend handler paths" path=/api/
v1/rules handlerName=proxycache matchType=exact caller=routing/routing.go:389 backendName=default
time=2021-11-05T08:48:49.179842085Z app=trickster level=debug event="registering default backend handler paths" backendNam
e=default path=/ handlerName=proxy matchType=prefix caller=routing/routing.go:389
time=2021-11-05T08:48:49.179858573Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/status handlerName=proxycache matchType=prefix caller=routing/routing.go:389
time=2021-11-05T08:48:49.179855165Z app=trickster level=debug event="registering default backend handler paths" backendName=default path=/api/v1/alertmanagers handlerName=proxycache matchType=exact caller=routing/routing.go:389
time=2021-11-05T08:48:49.179904855Z app=trickster level=info event="registering pprof /debug routes" routerName=reload caller=routing/routing.go:52
time=2021-11-05T08:48:49.179935544Z app=trickster level=info event="registering pprof /debug routes" routerName=metrics caller=routing/routing.go:52
time=2021-11-05T08:48:49.180061067Z app=trickster level=info event="http listener starting" name=httpListener port=8480 address= caller=proxy/listener/listener.go:192
time=2021-11-05T08:48:49.180099787Z app=trickster level=debug event="starting proxy listener" scheme=http address= port=8480 caller=proxy/listener/listener.go:143 connectionsLimit=0
time=2021-11-05T08:48:49.180135624Z app=trickster level=debug event="starting proxy listener" scheme=http address=127.0.0.1 port=8484 caller=proxy/listener/listener.go:143 connectionsLimit=0
time=2021-11-05T08:48:49.180157582Z app=trickster level=info event="http listener starting" caller=proxy/listener/listener.go:192 name=reloadListener port=8484 address=127.0.0.1
time=2021-11-05T08:48:49.180153162Z app=trickster level=debug event="starting proxy listener" address= port=8481 caller=proxy/listener/listener.go:143 connectionsLimit=0 scheme=http
time=2021-11-05T08:48:49.180158891Z app=trickster level=info event="http listener starting" name=metricsListener port=8481 address= caller=proxy/listener/listener.go:192

/api/v1/query handle by objectcache:

 POST /api/v1/query?query=sum%28traefik_backend_requests_total%3Arate_2m%7Bcode%3D%22502%22%2C+backend%21%3D%22dashboard-k8scs1-online.xxx.com%2F%22%7D%29+by+%28backend%2C+cluster%29&step=15s&time=1635906330 HTTP/1.1
> Host: 127.0.0.1:8480
> User-Agent: curl/7.73.0
> Accept: */*
> Content-Type: application/json; charset=utf-8
> Content-Length: 0
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 200 OK
< Access-Control-Allow-Origin: *
< Cache-Control: s-maxage=30
< Connection: keep-alive
< Content-Type: application/json; charset=utf-8
< Date: Fri, 05 Nov 2021 12:18:43 GMT
< X-Server-Hostname: vmselect-victoria-metrics-k8s-stack-1
< X-Trickster-Result: engine=ObjectProxyCache; status=kmiss
< Transfer-Encoding: chunked
<
{ [2807 bytes data]
* Connection #0 to host 127.0.0.1 left intact

running logs:

time=2021-11-02T06:44:11.622463615Z app=trickster caller=routing/routing.go:93 level=debug event="default origin identified" name=default
time=2021-11-02T06:44:11.622532303Z app=trickster caller=trickster/config.go:238 level=info event="application loaded from configuration" goVersion=go1.14.14 commitID=4595bd6a1ae1165ef497251ad85c646dadc8a925 config=/etc/trickster/trickster.conf version=1.1.5 goArch=amd64 buildTime=2021-02-04T17:58:04+0000 logLevel=debug pid=1 name=trickster
time=2021-11-02T06:44:11.62257415Z app=trickster caller=cache/redis/redis.go:65 level=info event="connecting to redis" protocol=tcp Endpoint=redis:6379
time=2021-11-02T06:44:11.638201603Z app=trickster caller=routing/routing.go:93 level=debug event="default origin identified" name=default
time=2021-11-02T06:44:11.638258582Z app=trickster caller=routing/routing.go:175 level=info event="registering route paths" upstreamHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 originName=default originType=prometheus
time=2021-11-02T06:44:11.638304161Z app=trickster caller=routing/routing.go:254 level=debug event="registering health handler path" upstreamVerb=GET path=/trickster/health/default originName=default upstreamPath=/api/v1/query
time=2021-11-02T06:44:11.638372225Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" handledPath=/default/api/v1/query_range matchType=exact frontendHosts= originName=default path=/api/v1/query_range-GET-POST handlerName=query_range originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481
time=2021-11-02T06:44:11.638463702Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/targets/metadata matchType=exact frontendHosts= originName=default path=/api/v1/targets/metadata-GET handlerName=proxycache
time=2021-11-02T06:44:11.638532751Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" path=/api/v1/alertmanagers-GET handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/alertmanagers matchType=exact frontendHosts= originName=default
time=2021-11-02T06:44:11.638598397Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" frontendHosts= originName=default path=/api/v1/labels-GET-POST handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/labels matchType=exact
time=2021-11-02T06:44:11.638660053Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" path=/api/v1/series-GET-POST handlerName=series originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/series matchType=exact frontendHosts= originName=default
time=2021-11-02T06:44:11.638726114Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/query matchType=exact frontendHosts= originName=default path=/api/v1/query-GET-POST handlerName=query
time=2021-11-02T06:44:11.638783718Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" handledPath=/default/api/v1/targets matchType=exact frontendHosts= originName=default path=/api/v1/targets-GET handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481
time=2021-11-02T06:44:11.638830811Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originName=default path=/api/v1/status-GET handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/status matchType=prefix frontendHosts=
time=2021-11-02T06:44:11.638856347Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/alerts matchType=exact frontendHosts= originName=default path=/api/v1/alerts-GET handlerName=proxycache
time=2021-11-02T06:44:11.638888503Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originName=default path=/api/v1/label/-GET handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/label/ matchType=prefix frontendHosts=
time=2021-11-02T06:44:11.638916399Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" path=/api/v1/-GET-POST handlerName=proxy originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/ matchType=prefix frontendHosts= originName=default
time=2021-11-02T06:44:11.638941349Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" matchType=exact frontendHosts= originName=default path=/api/v1/rules-GET handlerName=proxycache originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/api/v1/rules
time=2021-11-02T06:44:11.638976591Z app=trickster caller=routing/routing.go:318 level=debug event="registering origin handler path" originName=default path=/-GET-POST handlerName=proxy originHost=vmselect-victoria-metrics-k8s-stack.victoria.svc:8481 handledPath=/default/ matchType=prefix frontendHosts=
time=2021-11-02T06:44:11.638996791Z app=trickster caller=routing/routing.go:356 level=info event="registering default origin handler paths" originName=default
time=2021-11-02T06:44:11.639006533Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" path=/api/v1/query_range handlerName=query_range matchType=exact originName=default
time=2021-11-02T06:44:11.639036966Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" handlerName=proxycache matchType=exact originName=default path=/api/v1/targets/metadata
time=2021-11-02T06:44:11.639072964Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" handlerName=proxycache matchType=exact originName=default path=/api/v1/alertmanagers
time=2021-11-02T06:44:11.639103305Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/labels handlerName=proxycache matchType=exact
time=2021-11-02T06:44:11.639132694Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" handlerName=series matchType=exact originName=default path=/api/v1/series
time=2021-11-02T06:44:11.639163396Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/query handlerName=query matchType=exact
time=2021-11-02T06:44:11.639190598Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" matchType=exact originName=default path=/api/v1/targets handlerName=proxycache
time=2021-11-02T06:44:11.639228614Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/status handlerName=proxycache matchType=prefix
time=2021-11-02T06:44:11.639269142Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/alerts handlerName=proxycache matchType=exact
time=2021-11-02T06:44:11.63930939Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/label/ handlerName=proxycache matchType=prefix
time=2021-11-02T06:44:11.63934233Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/api/v1/ handlerName=proxy matchType=prefix
time=2021-11-02T06:44:11.639387905Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" matchType=exact originName=default path=/api/v1/rules handlerName=proxycache
time=2021-11-02T06:44:11.639419246Z app=trickster caller=routing/routing.go:360 level=debug event="registering default origin handler paths" originName=default path=/ handlerName=proxy matchType=prefix
time=2021-11-02T06:44:11.639490743Z app=trickster caller=routing/routing.go:51 level=info event="registering pprof /debug routes" routerName=metrics
time=2021-11-02T06:44:11.639507948Z app=trickster caller=routing/routing.go:51 level=info event="registering pprof /debug routes" routerName=reload
time=2021-11-02T06:44:11.639679126Z app=trickster caller=proxy/listener/listener.go:144 level=debug event="starting proxy listener" connectionsLimit=0 scheme=http address=127.0.0.1 port=8484
time=2021-11-02T06:44:11.639699605Z app=trickster caller=proxy/listener/listener.go:192 level=info event="http listener starting" name=reloadListener port=8484 address=127.0.0.1
time=2021-11-02T06:44:11.639738377Z app=trickster caller=proxy/listener/listener.go:144 level=debug event="starting proxy listener" port=8481 connectionsLimit=0 scheme=http address=
time=2021-11-02T06:44:11.639753716Z app=trickster caller=proxy/listener/listener.go:192 level=info event="http listener starting" name=metricsListener port=8481 address=
time=2021-11-02T06:44:11.639787616Z app=trickster caller=proxy/listener/listener.go:144 level=debug event="starting proxy listener" address= port=8480 connectionsLimit=0 scheme=http
time=2021-11-02T06:44:11.639835641Z app=trickster caller=proxy/listener/listener.go:192 level=info event="http listener starting" name=httpListener port=8480 address=
@wu0407
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wu0407 commented Nov 8, 2021

Why duplicate register default path handler in routing.RegisterProxyRoutes and routing.RegisterDefaultBackendRoutes?

trickster/cmd/trickster/config.go

Lines 138 to 155 in 1bc9b5d

o, err := routing.RegisterProxyRoutes(conf, router, mr, caches, tracers, logger, false)
if err != nil {
handleStartupIssue("route registration failed", tl.Pairs{"detail": err.Error()},
logger, errorFunc)
return err
}
if hc != nil {
hc.Shutdown()
}
hc, err = o.StartHealthChecks(logger)
if err != nil {
return err
}
alb.StartALBPools(o, hc.Statuses())
routing.RegisterDefaultBackendRoutes(router, o, logger, tracers)
routing.RegisterHealthHandler(mr, conf.Main.HealthHandlerPath, hc)
applyListenerConfigs(conf, oldConf, router, http.HandlerFunc(rh), mr, logger, tracers)

This was referenced Nov 8, 2021
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