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Commit 590f0cff by Łukasz Nowak Committed by Łukasz Nowak
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caddy-frontend: Simplify slave configuration generation 

Differences between tls and non-tls are minimal, so simplify the generation
as much as possible with simple tls switch.

It seems more readable than creating Jinja2 macros, which would be used only
twice.
1 parent fad39fe9
Inline Side-by-side
Showing 2 changed files with 30 additions and 154 deletions
software/caddy-frontend/buildout.hash.cfg
......@@ -54,7 +54,7 @@ md5sum = f20d6c3d2d94fb685f8d26dfca1e822b
[template-default-slave-virtualhost]
filename = templates/default-virtualhost.conf.in
md5sum = b882c408202cd2dd13f619210321a528
md5sum = 6037ecfd80b5af4e826c7869c19da07c
[template-cached-slave-virtualhost]
filename = templates/cached-virtualhost.conf.in
......
software/caddy-frontend/templates/default-virtualhost.conf.in
......@@ -16,7 +16,6 @@
{%- if slave_parameter.get('custom_domain') not in host_list %}
{%- do host_list.append(slave_parameter.get('custom_domain')) %}
{%- endif %}
{%- set backend_url = slave_parameter.get('https-url', slave_parameter.get('url', '')).rstrip('/') %}
{%- set http_host_list = [] %}
{%- set https_host_list = [] %}
{%- for host in host_list %}
......@@ -25,11 +24,20 @@
{%- endfor %} {#- for host in host_list #}
{%- set default_path = slave_parameter.get('default-path', '').strip('/') | urlencode %}
{%- for tls in [True, False] %}
{%- if tls %}
{%- set backend_url = slave_parameter.get('https-url', slave_parameter.get('url', '')).rstrip('/') %}
# SSL enabled hosts
{{ https_host_list|join(', ') }} {
{%- else %}
{%- set backend_url = slave_parameter.get('url', '').rstrip('/') %}
# SSL-disabled hosts
{{ http_host_list|join(', ') }} {
{%- endif %}
bind {{ slave_parameter['local_ipv4'] }}
# Compress the output
gzip
{%- if tls %}
tls {{ slave_parameter['certificate'] }} {{ slave_parameter['certificate'] }} {
{%- if enable_h2 %}
# Allow HTTP2
......@@ -39,6 +47,7 @@
alpn http/1.1
{%- endif %} {#- if enable_h2 #}
} {# tls #}
{%- endif %} {#- if tls #}
log / {{ slave_parameter.get('access_log') }} "{remote} - {>REMOTE_USER} [{when}] \"{method} {uri} {proto}\" {status} {size} \"{>Referer}\" \"{>User-Agent}\" {latency_ms}" {
rotate_size 0
}
......@@ -67,7 +76,12 @@
{% endif %}
{%- endif %} {#- if not (slave_type == 'zope' and backend_url) #}
{%- if slave_type == 'zope' and backend_url %}
{%- if not tls and https_only %}
# Enforced redirection to SSL-enabled host
redir 302 {
/ https://{host}{rewrite_uri}
}
{%- elif slave_type == 'zope' and backend_url %}
# Zope configuration
{%- for (proxy_name, proxy_comment) in proxy_append_list %}
# {{ proxy_comment }}
......@@ -114,17 +128,29 @@
rewrite {
regexp (.*)
if {>Accept-Encoding} match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
{%- if tls %}
to /prefer-gzip/VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-https-port', '443') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- else %}
to /prefer-gzip/VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- endif %}
}
rewrite {
regexp (.*)
if {>Accept-Encoding} not_match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
{%- if tls %}
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-https-port', '443') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- else %}
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- endif %}
}
{%- else %}
rewrite {
regexp (.*)
{%- if tls %}
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-https-port', '443') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- else %}
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
{%- endif %}
} {# rewrite #}
{%- endif %} {#- if prefer_gzip #}
{%- elif slave_type == 'redirect' and backend_url %} {#- if slave_type == 'zope' and backend_url #}
......@@ -180,154 +206,4 @@
{%- endif %} {#- if backend_url #}
{%- endif %} {#- if slave_type == 'zope' and backend_url #}
} {# https_host_list|join(', ') #}
# SSL-disabled hosts
{{ http_host_list|join(', ') }} {
bind {{ slave_parameter['local_ipv4'] }}
# Compress the output
gzip
log / {{ slave_parameter.get('access_log') }} "{remote} - {>REMOTE_USER} [{when}] \"{method} {uri} {proto}\" {status} {size} \"{>Referer}\" \"{>User-Agent}\" {latency_ms}" {
rotate_size 0
}
errors {{ slave_parameter.get('error_log') }} {
rotate_size 0
}
{%- if not (slave_type == 'zope' and backend_url) %}
{%- if prefer_gzip %}
rewrite {
regexp (.*)
if {>Accept-Encoding} match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
to /prefer-gzip{1}
}
rewrite {
regexp (.*)
if {>Accept-Encoding} not_match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
to {1}
}
{% else %}
rewrite {
regexp (.*)
to {1}
}
{% endif %}
{%- endif %} {#- if not (slave_type == 'zope' and backend_url) #}
{%- if https_only %}
# Enforced redirection to SSL-enabled host
redir 302 {
/ https://{host}{rewrite_uri}
}
{%- elif slave_type == 'redirect' and slave_parameter.get('url', '') %} {#- if https_only #}
# Redirect configuration
redir 302 {
/ {{ slave_parameter.get('url', '') }}{rewrite_uri}
} {# redir #}
{%- elif slave_type == 'zope' and backend_url %} {#- if https_only #}
# Zope configuration
{%- for (proxy_name, proxy_comment) in proxy_append_list %}
# {{ proxy_comment }}
proxy /{{ proxy_name }} {{ backend_url }} {
try_duration {{ slave_parameter['proxy_try_duration'] }}s
try_interval {{ slave_parameter['proxy_try_interval'] }}ms
{%- if proxy_name == 'prefer-gzip' %}
without /prefer-gzip
header_upstream Accept-Encoding gzip
{%- endif %} {#- if proxy_name == 'prefer-gzip' #}
# As backend is trusting REMOTE_USER header unset it always
header_upstream -REMOTE_USER
{%- for disabled_cookie in disabled_cookie_list %}
# Remove cookie {{ disabled_cookie }} from client Cookies
header_upstream Cookie "(.*)(^{{ disabled_cookie }}=[^;]*; |; {{ disabled_cookie }}=[^;]*|^{{ disabled_cookie }}=[^;]*$)(.*)" "$1 $3"
{%- endfor %} {#- for disabled_cookie in disabled_cookie_list #}
{%- if disable_via_header %}
header_downstream -Via
{%- endif %} {#- if disable_via_header #}
{%- if disable_no_cache_header %}
header_upstream -Cache-Control
header_upstream -Pragma
{%- endif %} {#- if disable_no_cache_header #}
transparent
timeout 600s
{%- if ssl_proxy_verify %}
{%- if 'path_to_ssl_proxy_ca_crt' in slave_parameter %}
ca_certificates {{ slave_parameter['path_to_ssl_proxy_ca_crt'] }}
{%- endif %} {#- if 'path_to_ssl_proxy_ca_crt' in slave_parameter #}
{%- else %} {#- if ssl_proxy_verify #}
insecure_skip_verify
{%- endif %} {#- if ssl_proxy_verify #}
} {# proxy #}
{%- endfor %} {#- for (proxy_name, proxy_comment) in proxy_append_list #}
{%- if default_path %}
redir 301 {
if {path} is /
/ {scheme}://{host}/{{ default_path }}
} {# redir #}
{%- endif %} {#- if default_path #}
{%- if prefer_gzip %}
rewrite {
regexp (.*)
if {>Accept-Encoding} match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
to /prefer-gzip/VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
}
rewrite {
regexp (.*)
if {>Accept-Encoding} not_match "(^gzip,.*|.*, gzip,.*|.*, gzip$|^gzip$)"
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
}
{%- else %}
rewrite {
regexp (.*)
to /VirtualHostBase/{scheme}%2F%2F{hostonly}:{{ slave_parameter.get('virtualhostroot-http-port', '80') | int }}%2F{{ slave_parameter.get('path', '').strip('/') }}%2FVirtualHostRoot/{1}
} {# rewrite #}
{% endif %} {#- if prefer_gzip #}
{%- else %} {#- if https_only #}
# Default configuration
{%- if default_path %}
redir 301 {
if {path} is /
/ {scheme}://{host}/{{ default_path }}
} {# redir #}
{%- endif %} {#- if default_path #}
{%- if slave_parameter.get('url', '') %}
{%- for (proxy_name, proxy_comment) in proxy_append_list %}
# {{ proxy_comment }}
proxy /{{ proxy_name }} {{ slave_parameter.get('url', '') }} {
try_duration {{ slave_parameter['proxy_try_duration'] }}s
try_interval {{ slave_parameter['proxy_try_interval'] }}ms
{%- if proxy_name == 'prefer-gzip' %}
without /prefer-gzip
header_upstream Accept-Encoding gzip
{%- endif %} {#- if proxy_name == 'prefer-gzip' #}
# As backend is trusting REMOTE_USER header unset it always
header_upstream -REMOTE_USER
{%- for disabled_cookie in disabled_cookie_list %}
# Remove cookie {{ disabled_cookie }} from client Cookies
header_upstream Cookie "(.*)(^{{ disabled_cookie }}=[^;]*; |; {{ disabled_cookie }}=[^;]*|^{{ disabled_cookie }}=[^;]*$)(.*)" "$1 $3"
{%- endfor %} {#- for disabled_cookie in disabled_cookie_list #}
{%- if disable_via_header %}
header_downstream -Via
{%- endif %} {#- if disable_via_header #}
{%- if disable_no_cache_header %}
header_upstream -Cache-Control
header_upstream -Pragma
{%- endif %} {#- if disable_no_cache_header #}
transparent
timeout 600s
{%- if ssl_proxy_verify %}
{%- if 'path_to_ssl_proxy_ca_crt' in slave_parameter %}
ca_certificates {{ slave_parameter['path_to_ssl_proxy_ca_crt'] }}
{%- endif %} {#- if 'path_to_ssl_proxy_ca_crt' in slave_parameter #}
{%- else %} {#- if ssl_proxy_verify #}
insecure_skip_verify
{%- endif %} {#- if ssl_proxy_verify #}
} {# proxy #}
{%- endfor %} {#- for (proxy_name, proxy_comment) in proxy_append_list #}
{%- endif %} {#- if slave_parameter.get('url', '') #}
{%- endif %} {#- if https_only #}
} {# http_host_list|join(', ') #}
{%- endfor %} {#- for tls in [True, False] #}
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