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refactor: deduplicate code

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This commit is contained in:
Nicolas Duchon
2025-05-11 12:26:24 +02:00
parent c338e1bcdf
commit 40744f6f41
1 changed files with 20 additions and 35 deletions
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49
nginx.tmpl
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@@ -10,11 +10,10 @@
{{- $_ := set $globals "containers" $ }}
{{- $_ := set $globals "Env" $.Env }}
{{- $_ := set $globals "Docker" $.Docker }}
{{- $_ := set $globals "CurrentContainer" (where $globals.containers "ID" $globals.Docker.CurrentContainerID | first) }}
{{- $_ := set $globals "NginxContainer" (whereLabelExists $globals.containers "com.github.nginx-proxy.nginx-proxy.nginx" | first) }}
{{- $config := dict }}
{{- $_ := set $config "nginx_proxy_version" $.Env.NGINX_PROXY_VERSION }}
{{- $_ := set $config "nginx_container_label" ($.Env.NGINX_CONTAINER_LABEL | default "com.github.nginx-proxy.nginx-proxy.nginx") }}
{{- $_ := set $config "default_cert_ok" (and (exists "/etc/nginx/certs/default.crt") (exists "/etc/nginx/certs/default.key")) }}
{{- $_ := set $config "external_http_port" ($globals.Env.HTTP_PORT | default "80") }}
{{- $_ := set $config "external_https_port" ($globals.Env.HTTPS_PORT | default "443") }}
@@ -45,33 +44,29 @@
{{- $_ := set $globals "vhosts" (dict) }}
{{- $_ := set $globals "networks" (dict) }}
# Networks available to the container labeled "com.github.nginx-proxy.nginx-proxy.nginx" or the one running docker-gen (which are assumed to
# match the networks available to the container running nginx):
{{- $currentContainer := where $globals.containers "ID" $globals.Docker.CurrentContainerID | first }}
{{- $labeledContainer := whereLabelExists $globals.containers $globals.config.nginx_container_label | first }}
{{- $_ := set $globals "NetworkContainer" ($labeledContainer | default $currentContainer) }}
# Networks available to the container labeled "{{ $globals.config.nginx_container_label }}" or the one running docker-gen
# (which are assumed to match the networks available to the container running nginx):
{{- /*
* Note: $globals.CurrentContainer may be nil in some circumstances due to
* <https://github.com/nginx-proxy/docker-gen/issues/458>. For more context
* see <https://github.com/nginx-proxy/nginx-proxy/issues/2189>.
* Note:
* $globals.NetworkContainer may be nil in some circumstances due to https://github.com/nginx-proxy/docker-gen/issues/458.
* For more context see https://github.com/nginx-proxy/nginx-proxy/issues/2189.
*/}}
{{- if $globals.NginxContainer }}
{{- range sortObjectsByKeysAsc $globals.NginxContainer.Networks "Name" }}
{{- $_ := set $globals.networks .Name . }}
# {{ .Name }}
{{- else }}
# (none)
{{- end }}
{{- else if $globals.CurrentContainer }}
{{- range sortObjectsByKeysAsc $globals.CurrentContainer.Networks "Name" }}
{{- if $globals.NetworkContainer }}
{{- range sortObjectsByKeysAsc $globals.NetworkContainer.Networks "Name" }}
{{- $_ := set $globals.networks .Name . }}
# {{ .Name }}
{{- else }}
# (none)
{{- end }}
{{- else }}
# /!\ WARNING: Failed to find the Docker container running docker-gen. All
# upstream (backend) application containers will appear to be
# unreachable. Try removing the -only-exposed and -only-published
# arguments to docker-gen if you pass either of those. See
# <https://github.com/nginx-proxy/docker-gen/issues/458>.
# /!\ WARNING: Failed to find the Docker container labeled "{{ $globals.config.nginx_container_label }}" or the one running docker-gen.
# All upstream (backend) application containers will appear to be unreachable.
# Try removing the -only-exposed and -only-published arguments to docker-gen if you pass either of those.
# See https://github.com/nginx-proxy/docker-gen/issues/458.
{{- end }}
{{- /*
@@ -105,23 +100,13 @@
{{- $ipv4 = "127.0.0.1" }}
{{- continue }}
{{- end }}
{{- if $.globals.NginxContainer }}
{{- range sortObjectsByKeysAsc $.globals.NginxContainer.Networks "Name" }}
{{- range sortObjectsByKeysAsc $.globals.NetworkContainer.Networks "Name" }}
{{- if and . .Gateway (not .Internal) }}
# container is in host network mode, using {{ .Name }} gateway IP
{{- $ipv4 = .Gateway }}
{{- break }}
{{- end }}
{{- end }}
{{- else }}
{{- range sortObjectsByKeysAsc $.globals.CurrentContainer.Networks "Name" }}
{{- if and . .Gateway (not .Internal) }}
# container is in host network mode, using {{ .Name }} gateway IP
{{- $ipv4 = .Gateway }}
{{- break }}
{{- end }}
{{- end }}
{{- end }}
{{- if $ipv4 }}
{{- continue }}
{{- end }}