77196e69bd
Allow locations that are served via vhost includes to bypass the https redirect. This allows the lets encrypt challenges to return successfully during initial certificate creation (they'll always be http since https hasn't been setup yet)
305 lines
11 KiB
Cheetah
305 lines
11 KiB
Cheetah
{{ $CurrentContainer := where $ "ID" .Docker.CurrentContainerID | first }}
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{{ define "upstream" }}
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{{ if .Address }}
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{{/* If we got the containers from swarm and this container's port is published to host, use host IP:PORT */}}
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{{ if and .Container.Node.ID .Address.HostPort }}
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# {{ .Container.Node.Name }}/{{ .Container.Name }}
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server {{ .Container.Node.Address.IP }}:{{ .Address.HostPort }};
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{{/* If there is no swarm node or the port is not published on host, use container's IP:PORT */}}
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{{ else if .Network }}
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# {{ .Container.Name }}
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server {{ .Network.IP }}:{{ .Address.Port }};
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{{ end }}
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{{ else if .Network }}
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# {{ .Container.Name }}
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server {{ .Network.IP }} down;
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{{ end }}
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{{ end }}
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# If we receive X-Forwarded-Proto, pass it through; otherwise, pass along the
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# scheme used to connect to this server
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map $http_x_forwarded_proto $proxy_x_forwarded_proto {
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default $http_x_forwarded_proto;
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'' $scheme;
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}
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# If we receive X-Forwarded-Port, pass it through; otherwise, pass along the
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# server port the client connected to
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map $http_x_forwarded_port $proxy_x_forwarded_port {
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default $http_x_forwarded_port;
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'' $server_port;
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}
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# If we receive Upgrade, set Connection to "upgrade"; otherwise, delete any
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# Connection header that may have been passed to this server
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map $http_upgrade $proxy_connection {
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default upgrade;
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'' close;
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}
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# Apply fix for very long server names
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server_names_hash_bucket_size 128;
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# Default dhparam
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ssl_dhparam /etc/nginx/dhparam/dhparam.pem;
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# Set appropriate X-Forwarded-Ssl header
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map $scheme $proxy_x_forwarded_ssl {
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default off;
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https on;
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}
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gzip_types text/plain text/css application/javascript application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
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log_format vhost '$host $remote_addr - $remote_user [$time_local] '
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'"$request" $status $body_bytes_sent '
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'"$http_referer" "$http_user_agent"';
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access_log off;
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{{ if $.Env.RESOLVERS }}
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resolver {{ $.Env.RESOLVERS }};
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{{ end }}
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{{ if (exists "/etc/nginx/proxy.conf") }}
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include /etc/nginx/proxy.conf;
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{{ else }}
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# HTTP 1.1 support
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proxy_http_version 1.1;
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proxy_buffering off;
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proxy_set_header Host $http_host;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection $proxy_connection;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
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proxy_set_header X-Forwarded-Ssl $proxy_x_forwarded_ssl;
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proxy_set_header X-Forwarded-Port $proxy_x_forwarded_port;
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# Mitigate httpoxy attack (see README for details)
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proxy_set_header Proxy "";
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{{ end }}
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{{ $enable_ipv6 := eq (or ($.Env.ENABLE_IPV6) "") "true" }}
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server {
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server_name _; # This is just an invalid value which will never trigger on a real hostname.
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listen 80;
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{{ if $enable_ipv6 }}
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listen [::]:80;
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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return 503;
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}
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{{ if (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
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server {
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server_name _; # This is just an invalid value which will never trigger on a real hostname.
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listen 443 ssl http2;
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{{ if $enable_ipv6 }}
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listen [::]:443 ssl http2;
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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return 503;
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ssl_session_tickets off;
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ssl_certificate /etc/nginx/certs/default.crt;
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ssl_certificate_key /etc/nginx/certs/default.key;
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}
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{{ end }}
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{{ range $host, $containers := groupByMulti $ "Env.VIRTUAL_HOST" "," }}
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{{ $host := trim $host }}
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{{ $is_regexp := hasPrefix "~" $host }}
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{{ $upstream_name := when $is_regexp (sha1 $host) $host }}
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# {{ $host }}
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upstream {{ $upstream_name }} {
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{{ range $container := $containers }}
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{{ $addrLen := len $container.Addresses }}
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{{ range $knownNetwork := $CurrentContainer.Networks }}
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{{ range $containerNetwork := $container.Networks }}
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{{ if (and (ne $containerNetwork.Name "ingress") (or (eq $knownNetwork.Name $containerNetwork.Name) (eq $knownNetwork.Name "host"))) }}
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## Can be connect with "{{ $containerNetwork.Name }}" network
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{{/* If only 1 port exposed, use that */}}
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{{ if eq $addrLen 1 }}
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{{ $address := index $container.Addresses 0 }}
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{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
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{{/* If more than one port exposed, use the one matching VIRTUAL_PORT env var, falling back to standard web port 80 */}}
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{{ else }}
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{{ $port := coalesce $container.Env.VIRTUAL_PORT "80" }}
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{{ $address := where $container.Addresses "Port" $port | first }}
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{{ template "upstream" (dict "Container" $container "Address" $address "Network" $containerNetwork) }}
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{{ end }}
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{{ end }}
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{{ end }}
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{{ end }}
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{{ end }}
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}
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{{ $default_host := or ($.Env.DEFAULT_HOST) "" }}
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{{ $default_server := index (dict $host "" $default_host "default_server") $host }}
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{{/* Get the VIRTUAL_PROTO defined by containers w/ the same vhost, falling back to "http" */}}
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{{ $proto := trim (or (first (groupByKeys $containers "Env.VIRTUAL_PROTO")) "http") }}
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{{/* Get the HTTPS_METHOD defined by containers w/ the same vhost, falling back to "redirect" */}}
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{{ $https_method := or (first (groupByKeys $containers "Env.HTTPS_METHOD")) "redirect" }}
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{{/* Get the first cert name defined by containers w/ the same vhost */}}
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{{ $certName := (first (groupByKeys $containers "Env.CERT_NAME")) }}
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{{/* Get the best matching cert by name for the vhost. */}}
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{{ $vhostCert := (closest (dir "/etc/nginx/certs") (printf "%s.crt" $host))}}
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{{/* vhostCert is actually a filename so remove any suffixes since they are added later */}}
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{{ $vhostCert := trimSuffix ".crt" $vhostCert }}
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{{ $vhostCert := trimSuffix ".key" $vhostCert }}
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{{/* Use the cert specified on the container or fallback to the best vhost match */}}
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{{ $cert := (coalesce $certName $vhostCert) }}
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{{ $is_https := (and (ne $https_method "nohttps") (ne $cert "") (exists (printf "/etc/nginx/certs/%s.crt" $cert)) (exists (printf "/etc/nginx/certs/%s.key" $cert))) }}
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{{ if $is_https }}
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{{ if eq $https_method "redirect" }}
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server {
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server_name {{ $host }};
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listen 80 {{ $default_server }};
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{{ if $enable_ipv6 }}
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listen [::]:80 {{ $default_server }};
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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{{/* Add in includes to allow vhost includes*/}}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s" $host }};
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{{ else if (exists "/etc/nginx/vhost.d/default") }}
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include /etc/nginx/vhost.d/default;
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{{ end }}
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{{/* If none of the locations match in the vhosts then redirect to the https page */}}
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location {
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return 301 https://$host$request_uri;
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}
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}
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{{ end }}
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server {
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server_name {{ $host }};
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listen 443 ssl http2 {{ $default_server }};
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{{ if $enable_ipv6 }}
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listen [::]:443 ssl http2 {{ $default_server }};
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
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ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:!DSS';
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ssl_prefer_server_ciphers on;
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ssl_session_timeout 5m;
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ssl_session_cache shared:SSL:50m;
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ssl_session_tickets off;
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ssl_certificate /etc/nginx/certs/{{ (printf "%s.crt" $cert) }};
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ssl_certificate_key /etc/nginx/certs/{{ (printf "%s.key" $cert) }};
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{{ if (exists (printf "/etc/nginx/certs/%s.dhparam.pem" $cert)) }}
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ssl_dhparam {{ printf "/etc/nginx/certs/%s.dhparam.pem" $cert }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/certs/%s.chain.crt" $cert)) }}
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ssl_stapling on;
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ssl_stapling_verify on;
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ssl_trusted_certificate {{ printf "/etc/nginx/certs/%s.chain.crt" $cert }};
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{{ end }}
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{{ if (ne $https_method "noredirect") }}
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add_header Strict-Transport-Security "max-age=31536000";
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s" $host }};
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{{ else if (exists "/etc/nginx/vhost.d/default") }}
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include /etc/nginx/vhost.d/default;
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{{ end }}
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location / {
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{{ if eq $proto "uwsgi" }}
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include uwsgi_params;
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uwsgi_pass {{ trim $proto }}://{{ trim $upstream_name }};
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{{ else }}
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proxy_pass {{ trim $proto }}://{{ trim $upstream_name }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }}
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auth_basic "Restricted {{ $host }}";
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auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s_location" $host}};
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{{ else if (exists "/etc/nginx/vhost.d/default_location") }}
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include /etc/nginx/vhost.d/default_location;
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{{ end }}
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}
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}
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{{ end }}
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{{ if or (not $is_https) (eq $https_method "noredirect") }}
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server {
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server_name {{ $host }};
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listen 80 {{ $default_server }};
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{{ if $enable_ipv6 }}
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listen [::]:80 {{ $default_server }};
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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{{ if (exists (printf "/etc/nginx/vhost.d/%s" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s" $host }};
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{{ else if (exists "/etc/nginx/vhost.d/default") }}
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include /etc/nginx/vhost.d/default;
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{{ end }}
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location / {
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{{ if eq $proto "uwsgi" }}
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include uwsgi_params;
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uwsgi_pass {{ trim $proto }}://{{ trim $upstream_name }};
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{{ else }}
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proxy_pass {{ trim $proto }}://{{ trim $upstream_name }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/htpasswd/%s" $host)) }}
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auth_basic "Restricted {{ $host }}";
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auth_basic_user_file {{ (printf "/etc/nginx/htpasswd/%s" $host) }};
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{{ end }}
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{{ if (exists (printf "/etc/nginx/vhost.d/%s_location" $host)) }}
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include {{ printf "/etc/nginx/vhost.d/%s_location" $host}};
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{{ else if (exists "/etc/nginx/vhost.d/default_location") }}
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include /etc/nginx/vhost.d/default_location;
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{{ end }}
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}
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}
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{{ if (and (not $is_https) (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
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server {
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server_name {{ $host }};
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listen 443 ssl http2 {{ $default_server }};
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{{ if $enable_ipv6 }}
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listen [::]:443 ssl http2 {{ $default_server }};
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{{ end }}
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access_log /var/log/nginx/access.log vhost;
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return 500;
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ssl_certificate /etc/nginx/certs/default.crt;
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ssl_certificate_key /etc/nginx/certs/default.key;
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}
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{{ end }}
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{{ end }}
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{{ end }}
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