# ************************************
# Managed by Puppet
# ************************************

NameVirtualHost <%= @vhost_name %>:<%= @port %>

# Dedicated port for proxy caching, as not to affect afs mirrors.
Listen 8080
NameVirtualHost <%= @vhost_name %>:8080

Listen 8081
NameVirtualHost <%= @vhost_name %>:8081

Listen 8082
NameVirtualHost <%= @vhost_name %>:8082


LogFormat "%h %l %u %t \"%r\" %>s %b %{cache-status}e \"%{Referer}i\" \"%{User-agent}i\"" combined-cache

<VirtualHost <%= @vhost_name %>:<%= @port %>>
    ServerName <%= @srvname %>
    <% if @serveraliases.is_a? Array -%>
      <% @serveraliases.each do |name| -%>
        <%= "  ServerAlias #{name}\n" %>
      <% end %>
    <% elsif @serveraliases != nil -%>
      <%= "  ServerAlias #{@serveraliases}" -%>
    <% end %>
    DocumentRoot <%= @docroot %>
    <Directory <%= @docroot %>>
        Options <%= @options %>
        AllowOverride None
        Order allow,deny
        allow from all
        Satisfy any
        <IfVersion >= 2.4>
            Require all granted
        </IfVersion>
    </Directory>

    # Caching reverse proxy for things that don't make sense in AFS
    #
    # General cache rules
    CacheRoot "/var/cache/apache2/proxy"
    CacheDirLevels 5
    CacheDirLength 2
    # SSL support
    SSLProxyEngine on
    # Prevent thundering herds.
    CacheLock on
    CacheLockPath "/tmp/mod_cache-lock"
    CacheLockMaxAge 5
    # 5GiB
    CacheMaxFileSize 5368709120
    CacheStoreExpired On
    # Pip sets Cache-Control: max-age=0 on requests for pypi index pages.
    # This means we don't use the cache for those requests. This setting
    # should force the proxy to ignore cache-control on the request side
    # but we should still cache things based on the cache-control responses
    # from the backed servers.
    CacheIgnoreCacheControl On

    # Added Aug 2017 in an attempt to avoid occasional 502 errors (around
    # 0.05% of requests) of the type:
    #
    #  End of file found: ... AH01102: error reading status line from remote server ...
    #
    # Per [1]:
    #
    #  This avoids the "proxy: error reading status line from remote
    #  server" error message caused by the race condition that the backend
    #  server closed the pooled connection after the connection check by the
    #  proxy and before data sent by the proxy reached the backend.
    #
    # [1] https://httpd.apache.org/docs/2.4/mod/mod_proxy_http.html
    SetEnv proxy-initial-not-pooled 1

    RewriteEngine On
    # pypi
    CacheEnable disk  "/pypi"
    ProxyPass "/pypi/" "https://pypi.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/pypi/" "https://pypi.org/

    # files.pythonhosted.org
    CacheEnable disk  "/pypifiles"
    ProxyPass "/pypifiles/" "https://files.pythonhosted.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/pypifiles/" "https://files.pythonhosted.org/"

    # Rewrite the locations of the actual files
    <Location /pypi>
      SetOutputFilter INFLATE;SUBSTITUTE;DEFLATE
      Substitute "s|https://files.pythonhosted.org/|/pypifiles/|ni"
    </Location>

    # Wheel URL's are:
    # /wheel/{distro}-{distro-version}/a/a/a-etc.whl
    # /wheel/{distro}-{distro-version}/a/abcd/abcd-etc.whl
    # /wheel/{distro}-{distro-version}/a/abcde/abcde-etc.whl
    RewriteCond %{REQUEST_URI} ^/wheel/([^/]+)/([^/])([^/]*)
    RewriteCond %{DOCUMENT_ROOT}/wheel/$1/$2/$2$3 -d
    RewriteRule ^/wheel/([^/]+)/([^/])([^/]*)(/.*)?$ /wheel/$1/$2/$2$3$4 [L]

    # Special cases for openstack.nose_plugin & backports.*
    RewriteCond %{REQUEST_URI} ^/wheel/
    RewriteRule ^(.*)/openstack-nose-plugin(.*)$ $1/openstack.nose_plugin$2
    RewriteCond %{REQUEST_URI} ^/wheel/
    RewriteRule ^(.*)/backports-(.*)$ $1/backports.$2

    # Try again but replacing -'s with .'s
    RewriteCond %{REQUEST_URI} ^/wheel/
    RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_URI} !-f
    RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_URI} !-d
    RewriteRule (.*)-(.*) $1.$2 [N]

    ErrorLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_error.log
    LogLevel warn
    CustomLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_access.log combined-cache
    ServerSignature Off
</VirtualHost>

<VirtualHost <%= @vhost_name %>:8080>
    ServerName <%= @srvname %>:8080
    <% if @serveraliases.is_a? Array -%>
      <% @serveraliases.each do |name| -%>
        <%= "  ServerAlias #{name}:8080\n" %>
      <% end %>
    <% elsif @serveraliases != nil -%>
      <%= "  ServerAlias #{@serveraliases}:8080" -%>
    <% end %>

    # Disable directory listing by default.
    <Directory />
      Order Deny,Allow
      Deny from all
      Options None
      AllowOverride None
    </Directory>

    ErrorLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8080_error.log
    LogLevel warn
    CustomLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8080_access.log combined-cache
    ServerSignature Off

    # Caching reverse proxy for things that don't make sense in AFS
    #
    # General cache rules
    CacheRoot "/var/cache/apache2/proxy"
    CacheDirLevels 5
    CacheDirLength 2
    # SSL support
    SSLProxyEngine on
    # Prevent thundering herds.
    CacheLock on
    CacheLockPath "/tmp/mod_cache-lock"
    CacheLockMaxAge 5
    # 5GiB
    CacheMaxFileSize 5368709120
    CacheStoreExpired On

    # Added Aug 2017 in an attempt to avoid occasional 502 errors (around
    # 0.05% of requests) of the type:
    #
    #  End of file found: ... AH01102: error reading status line from remote server ...
    #
    # Per [1]:
    #
    #  This avoids the "proxy: error reading status line from remote
    #  server" error message caused by the race condition that the backend
    #  server closed the pooled connection after the connection check by the
    #  proxy and before data sent by the proxy reached the backend.
    #
    # [1] https://httpd.apache.org/docs/2.4/mod/mod_proxy_http.html
    SetEnv proxy-initial-not-pooled 1

    # Per site caching reverse proxy rules
    # Only cache specific backends, rely on afs cache otherwise.

    # buildlogs.centos.org (302 redirects to buildlogs.cdn.centos.org)
    CacheEnable disk  "/buildlogs.centos"
    ProxyPass "/buildlogs.centos/" "https://buildlogs.centos.org/" ttl=120 disablereuse=On retry=0
    ProxyPassReverse "/buildlogs.centos/" "https://buildlogs.centos.org/"

    # buildlogs.cdn.centos.org
    CacheEnable disk  "/buildlogs.cdn.centos"
    ProxyPass "/buildlogs.cdn.centos/" "https://buildlogs.cdn.centos.org/" ttl=120 disablereuse=On retry=0
    ProxyPassReverse "/buildlogs.cdn.centos/" "https://buildlogs.cdn.centos.org/"

    # rdo
    CacheEnable disk  "/rdo"
    ProxyPass "/rdo/" "https://trunk.rdoproject.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/rdo/" "https://trunk.rdoproject.org/"

    # cbs.centos.org
    CacheEnable disk  "/cbs.centos"
    ProxyPass "/cbs.centos/" "https://cbs.centos.org/repos/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/cbs.centos/" "https://cbs.centos.org/repos/"

    # tarballs
    CacheEnable disk  "/tarballs"
    ProxyPass "/tarballs/" "https://tarballs.openstack.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/tarballs/" "https://tarballs.openstack.org/"

    # pypi
    CacheEnable disk  "/pypi"
    ProxyPass "/pypi/" "https://pypi.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/pypi/" "https://pypi.org/

    # files.pythonhosted.org
    CacheEnable disk  "/pypifiles"
    ProxyPass "/pypifiles/" "https://files.pythonhosted.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/pypifiles/" "https://files.pythonhosted.org/"

    # Rewrite the locations of the actual files
    <Location /pypi>
      SetOutputFilter INFLATE;SUBSTITUTE;DEFLATE
      Substitute "s|https://files.pythonhosted.org/|/pypifiles/|ni"
    </Location>

    # images.linuxcontainers.org
    CacheEnable disk "/images.linuxcontainers"
    ProxyPass "/images.linuxcontainers/" "http://us.images.linuxcontainers.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/images.linuxcontainers/" "http://us.images.linuxcontainers.org/"

    # registry.npmjs.org
    CacheEnable disk  "/registry.npmjs"
    ProxyPass "/registry.npmjs/" "https://registry.npmjs.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/registry.npmjs/" "https://registry.npmjs.org/"

    # api.rubygems.org
    CacheEnable disk  "/api.rubygems"
    ProxyPass "/api.rubygems/" "https://api.rubygems.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/api.rubygems/" "https://api.rubygems.org/"

    # rubygems.org
    CacheEnable disk  "/rubygems"
    ProxyPass "/rubygems/" "https://rubygems.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/rubygems/" "https://rubygems.org/"

    # opendaylight
    CacheEnable disk "/opendaylight"
    ProxyPass "/opendaylight/" "https://nexus.opendaylight.org/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/opendaylight/" "https://nexus.opendaylight.org/"

    # elastico
    CacheEnable disk "/elastic"
    ProxyPass "/elastic/" "https://packages.elastic.co/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/elastic/" "https://packages.elastic.co/"

    # grafana
    CacheEnable disk "/grafana"
    ProxyPass "/grafana" "https://packagecloud.io/grafana/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/grafana/" "https://packagecloud.io/grafana/"

    # OracleLinux
    CacheEnable disk "/oraclelinux"
    ProxyPass "/oraclelinux/" "http://yum.oracle.com/repo/OracleLinux/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/oraclelinux/" "http://yum.oracle.com/repo/OracleLinux/"

    # Percona
    CacheEnable disk "/percona"
    ProxyPass "/percona/" "https://repo.percona.com/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/percona/" "https://repo.percona.com/"

    # MariaDB
    CacheEnable disk "/MariaDB"
    ProxyPass "/MariaDB/" "https://downloads.mariadb.com/MariaDB/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/MariaDB/" "https://downloads.mariadb.com/MariaDB/"

    # Docker
    CacheEnable disk "/docker"
    ProxyPass "/docker/" "https://download.docker.com/linux/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/docker/" "https://download.docker.com/linux/"

    # Alpine
    CacheEnable disk "/alpine"
    ProxyPass "/alpine/" "http://dl-cdn.alpinelinux.org/alpine/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/alpine/" "http://dl-cdn.alpinelinux.org/alpine/"

    # LXC (copr)
    CacheEnable disk "/copr-lxc2"
    ProxyPass "/copr-lxc2/" "https://copr-be.cloud.fedoraproject.org/results/thm/lxc2.0/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/copr-lxc2/" "https://copr-be.cloud.fedoraproject.org/results/thm/lxc2.0/"

</VirtualHost>

# Docker registry v1 proxy.
<VirtualHost <%= @vhost_name %>:8081>
    ServerName <%= @srvname %>:8081
    <% if @serveraliases.is_a? Array -%>
      <% @serveraliases.each do |name| -%>
        <%= "  ServerAlias #{name}:8081\n" %>
      <% end %>
    <% elsif @serveraliases != nil -%>
      <%= "  ServerAlias #{@serveraliases}:8081" -%>
    <% end %>

    # Disable directory listing by default.
    <Directory />
      Order Deny,Allow
      Deny from all
      Options None
      AllowOverride None
    </Directory>

    ErrorLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8081_error.log
    LogLevel warn
    CustomLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8081_access.log combined-cache
    ServerSignature Off

    # Caching reverse proxy for things that don't make sense in AFS
    #
    # General cache rules
    CacheRoot "/var/cache/apache2/proxy"
    CacheDirLevels 5
    CacheDirLength 2
    # SSL support
    SSLProxyEngine on
    # Prevent thundering herds.
    CacheLock on
    CacheLockPath "/tmp/mod_cache-lock"
    CacheLockMaxAge 5
    # 5GiB
    CacheMaxFileSize 5368709120
    # Ignore expire headers as the urls use sha256 hashes.
    CacheIgnoreQueryString On
    # NOTE(pabelanger): In the case of docker, if neither an expiry date nor
    # last-modified date are provided default expire to 1 day. This is up from
    # 1 hour.
    CacheDefaultExpire 86400
    CacheStoreExpired On

    # registry-1.docker.io
    CacheEnable disk  "/registry-1.docker"
    ProxyPass "/registry-1.docker/" "https://registry-1.docker.io/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/registry-1.docker/" "https://registry-1.docker.io/"

    # dseasb33srnrn.cloudfront.net
    CacheEnable disk "/cloudfront"
    ProxyPass "/cloudfront/" "https://dseasb33srnrn.cloudfront.net/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/cloudfront/" "https://dseasb33srnrn.cloudfront.net/"

    # production.cloudflare.docker.com
    CacheEnable disk "/cloudflare"
    ProxyPass "/cloudflare/" "https://production.cloudflare.docker.com/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/cloudflare/" "https://production.cloudflare.docker.com/"

</VirtualHost>

# Docker registry v2 proxy.
<VirtualHost <%= @vhost_name %>:8082>
    ServerName <%= @srvname %>:8082
    <% if @serveraliases.is_a? Array -%>
      <% @serveraliases.each do |name| -%>
        <%= "  ServerAlias #{name}:8082\n" %>
      <% end %>
    <% elsif @serveraliases != nil -%>
      <%= "  ServerAlias #{@serveraliases}:8082" -%>
    <% end %>

    # Disable directory listing by default.
    <Directory />
      Order Deny,Allow
      Deny from all
      Options None
      AllowOverride None
    </Directory>

    ErrorLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8082_error.log
    LogLevel warn
    CustomLog /var/log/<%= scope.lookupvar("httpd::params::apache_name") %>/<%= @name %>_8082_access.log combined-cache
    ServerSignature Off

    # Caching reverse proxy for things that don't make sense in AFS
    #
    # General cache rules
    CacheRoot "/var/cache/apache2/proxy"
    CacheDirLevels 5
    CacheDirLength 2
    # SSL support
    SSLProxyEngine on
    # Prevent thundering herds.
    CacheLock on
    CacheLockPath "/tmp/mod_cache-lock"
    CacheLockMaxAge 5
    # 5GiB
    CacheMaxFileSize 5368709120
    # Ignore expire headers as the urls use sha256 hashes.
    CacheIgnoreQueryString On
    # NOTE(pabelanger): In the case of docker, if neither an expiry date nor
    # last-modified date are provided default expire to 1 day. This is up from
    # 1 hour.
    CacheDefaultExpire 86400
    CacheStoreExpired On

    # dseasb33srnrn.cloudfront.net
    CacheEnable disk "/cloudfront"
    ProxyPass "/cloudfront/" "https://dseasb33srnrn.cloudfront.net/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/cloudfront/" "https://dseasb33srnrn.cloudfront.net/"

    # production.cloudflare.docker.com
    CacheEnable disk "/cloudflare"
    ProxyPass "/cloudflare/" "https://production.cloudflare.docker.com/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/cloudflare/" "https://production.cloudflare.docker.com/"

    # NOTE(corvus): Ensure this stanza is last since it's the most
    # greedy match.
    CacheEnable disk  "/"
    ProxyPass "/" "https://registry-1.docker.io/" ttl=120 keepalive=On retry=0
    ProxyPassReverse "/" "https://registry-1.docker.io/"
</VirtualHost>