Configuration for testing confd PR 416 https://github.com/kelseyhightower/confd/pull/416 to solve issue https://github.com/kelseyhightower/confd/issues/386

Dockerfile

FROM golang

WORKDIR /go

RUN go get github.com/BurntSushi/toml &&  \
    go get github.com/kelseyhightower/confd &&  \
    cd $GOPATH/src/github.com/kelseyhightower/confd &&  \
    git remote add sort https://github.com/HeavyHorst/confd.git &&  \
    git pull sort sort && git checkout sort &&  \
    find / -type f -name "*confd" -exec rm {} \; &&  \
    ./build && ./install
RUN mkdir -p /etc/confd/{conf.d,templates}
ADD *.tmpl /etc/confd/templates/
ADD *.toml /etc/confd/conf.d/

etcd_configuration

etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/backends/http-backend-80/name  http-backend-80
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/backends/http-backend-80/servers/backend-80  backend:80
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/backends/http-backend-80/claims/-api  /api
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/backends/http-backend-80/claims/-api-v3  /api/v3
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/claims/-api/url  http-backend-80
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/claims/-api/backend  fe-myrc-apiv3.mynamespace-api-80
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/claims/-api-v3/backend  fe-myrc-apiv3.mynamespace-api-80
etcdctl --endpoint $ETCD_ENDPOINT set /haproxy-mynamespace-api/services/claims/-api-v3/url  http-backend-80

expected_output

# confd -onetime -node http://etcd:4001 -prefix "$KEY_PREFIX" --keep-stage-file=true

~~~
frontend http-in
    bind *:8080




    acl fe-api-v3 path_beg -i /api/v3
    use_backend http-backend-80-api-v3 if fe-api-v3
    
    
    
    acl fe-api path_beg -i /api
    use_backend http-backend-80-api if fe-api

    default_backend nomatch
~~~

haproxy.cfg.tmpl

frontend http-in
    bind *:8080

{{ range $claim := (lsdir "/services/claims" | sortByLength | reverse) }}
{{$url := (printf "/services/claims/%s/url" $claim | getv)}}
{{$backend := (printf "/services/claims/%s/backend" $claim | getv)}}
    acl fe{{$claim}} path_beg -i {{$url}}
    use_backend {{$backend}}{{$claim}} if fe{{$claim}}
{{end}}
    default_backend nomatch

haproxy.toml

[template]
keys = [
  "/services"
]

owner = "haproxy"
mode = "0644"
src = "haproxy.cfg.tmpl"
dest = "/haproxy.cfg"