confd 0.6.x templating woes

bootstrap_etcd

wget -q https://s3-us-west-2.amazonaws.com/opdemand/confd-0.6.x-json-firstsecondlastpart-rand -O ./confd
chmod +x ./confd
etcdctl set /deis/domains/upright-banana foo.bar.ca whoami.com
etcdctl set /deis/services/upright-banana/upright-banana_v2 1.2.3.4:4445
etcdctl set /deis/services/downright-tropico/downright-tropico_v2 2.3.4.5:1233
etcdctl set /deis/builder/users/carmstrong/deis PRIVATE_KEY_MATERIAL
etcdctl set /deis/builder/users/carmstrong/too PRIVATE_KEY_MATERIAL
etcdctl set /deis/builder/users/gabrtv/gabriel PRIVATE_KEY_MATERIAL
etcdctl set /deis/builder/users/gabrtv/gabrtv PRIVATE_KEY_MATERIAL

confd_sample.conf.toml

[template]
src = "sample.conf.tmpl"
dest = "/home/core/sample.conf"
keys = [
    "/domains",
    "/builder/users",
    "/services",
]

templates_sample.conf.tmpl

{{ range $key := gets "/builder/users/*/*" }}
command="/usr/local/bin/gitreceive run {{ part $key.Key 2 }} {{ part $key.Key 3 }}",no-agent-forwarding,no-pty,no-user-rc,no-X11-forwarding,no-port-forwarding {{ $key.Value }}
{{ end }}


    {{ range $service := gets "/services/*/*" }}{{ if $service.Value }}
    upstream {{ second $service.Key }} {
        {{ with $str := second $service.Key }}{{ with $path := "/services/"+ $str +"/*" }}{{ range $upstream := gets $path }}server {{ $upstream.Value }};
        {{ end }}{{ end }}{{ end }}
    }

    server {
        server_name ~^{{ second $service.Key }}\.(?<domain>.+)${{ with $str := second $service.Key }}{{ with $path := "/domains/"+ $str }}{{ getv $path }}{{ end }}{{ end }};

        server_name_in_redirect off;
        port_in_redirect off;

        location / {
            proxy_buffering             off;
            proxy_set_header            Host $host;
            proxy_set_header            X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_redirect              off;
            proxy_connect_timeout       10s;
            proxy_send_timeout          1200s;
            proxy_read_timeout          1200s;

            proxy_next_upstream         error timeout http_502 http_503 http_504;

            add_header                  X-Deis-Upstream $upstream_addr;

            proxy_pass                  http://{{ second $service.Key }};
        }
    }
    {{ end }}{{ end }}

test_etcd

./confd -onetime -backend etcd -confdir /home/core -prefix '/deis' -node 127.0.0.1:4001