commit 1685b9d06ebe93eaaed478bde02db813fc39e4b2 · pyrox.dev/nixpkgs

nixos/doc/manual/configuration/configuration.xml

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       <!-- FIXME: auto-include NixOS module docs -->

     

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       <xi:include href="postgresql.xml" />

     

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       <xi:include href="acme.xml" />

     

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       <xi:include href="nixos.xml" />

     

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       <!-- Apache; libvirtd virtualisation -->

nixos/doc/manual/default.nix

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             cp -prd $sources/* . # */

     

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             chmod -R u+w .

     

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             cp ${../../modules/services/databases/postgresql.xml} configuration/postgresql.xml

     

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             cp ${../../modules/security/acme.xml} configuration/acme.xml

     

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             cp ${../../modules/misc/nixos.xml} configuration/nixos.xml

     

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             ln -s ${optionsDocBook} options-db.xml

     

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             echo "${version}" > version

+63 -58

nixos/modules/security/acme.nix

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         };

     

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         ###### implementation

     

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         config = mkIf (cfg.certs != { }) {

     

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         config = mkMerge [

     

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           (mkIf (cfg.certs != { }) {

     

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           systemd.services = flip mapAttrs' cfg.certs (cert: data:

     

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             let

     

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               cpath = "${cfg.directory}/${cert}";

     

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               cmdline = [ "-v" "-d" cert "--default_root" data.webroot "--valid_min" cfg.validMin ]

     

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                         ++ optionals (data.email != null) [ "--email" data.email ]

     

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                         ++ concatMap (p: [ "-f" p ]) data.plugins

     

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                         ++ concatLists (mapAttrsToList (name: root: [ "-d" (if root == null then name else "${name}:${root}")]) data.extraDomains);

     

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             systemd.services = flip mapAttrs' cfg.certs (cert: data:

     

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               let

     

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                 cpath = "${cfg.directory}/${cert}";

     

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                 cmdline = [ "-v" "-d" cert "--default_root" data.webroot "--valid_min" cfg.validMin ]

     

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                           ++ optionals (data.email != null) [ "--email" data.email ]

     

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                           ++ concatMap (p: [ "-f" p ]) data.plugins

     

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                           ++ concatLists (mapAttrsToList (name: root: [ "-d" (if root == null then name else "${name}:${root}")]) data.extraDomains);

     

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             in nameValuePair

     

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             ("acme-${cert}")

     

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             ({

     

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               description = "ACME cert renewal for ${cert} using simp_le";

     

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               after = [ "network.target" ];

     

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               serviceConfig = {

     

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                 Type = "oneshot";

     

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                 SuccessExitStatus = [ "0" "1" ];

     

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                 PermissionsStartOnly = true;

     

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                 User = data.user;

     

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                 Group = data.group;

     

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                 PrivateTmp = true;

     

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               };

     

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               path = [ pkgs.simp_le ];

     

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               preStart = ''

     

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                 mkdir -p '${cfg.directory}'

     

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                 if [ ! -d '${cpath}' ]; then

     

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                   mkdir -m 700 '${cpath}'

     

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                   chown '${data.user}:${data.group}' '${cpath}'

     

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                 fi

     

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               '';

     

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               script = ''

     

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                 cd '${cpath}'

     

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                 set +e

     

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                 simp_le ${concatMapStringsSep " " (arg: escapeShellArg (toString arg)) cmdline}

     

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                 EXITCODE=$?

     

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                 set -e

     

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                 echo "$EXITCODE" > /tmp/lastExitCode

     

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                 exit "$EXITCODE"

     

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               '';

     

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               postStop = ''

     

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                 if [ -e /tmp/lastExitCode ] && [ "$(cat /tmp/lastExitCode)" = "0" ]; then

     

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                   echo "Executing postRun hook..."

     

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                   ${data.postRun}

     

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                 fi

     

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               '';

     

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             })

     

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           );

     

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               in nameValuePair

     

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               ("acme-${cert}")

     

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               ({

     

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                 description = "ACME cert renewal for ${cert} using simp_le";

     

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                 after = [ "network.target" ];

     

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                 serviceConfig = {

     

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                   Type = "oneshot";

     

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                   SuccessExitStatus = [ "0" "1" ];

     

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                   PermissionsStartOnly = true;

     

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                   User = data.user;

     

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                   Group = data.group;

     

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                   PrivateTmp = true;

     

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                 };

     

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                 path = [ pkgs.simp_le ];

     

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                 preStart = ''

     

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                   mkdir -p '${cfg.directory}'

     

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                   if [ ! -d '${cpath}' ]; then

     

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                     mkdir -m 700 '${cpath}'

     

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                     chown '${data.user}:${data.group}' '${cpath}'

     

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                   fi

     

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                 '';

     

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                 script = ''

     

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                   cd '${cpath}'

     

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                   set +e

     

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                   simp_le ${concatMapStringsSep " " (arg: escapeShellArg (toString arg)) cmdline}

     

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                   EXITCODE=$?

     

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                   set -e

     

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                   echo "$EXITCODE" > /tmp/lastExitCode

     

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                   exit "$EXITCODE"

     

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                 '';

     

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                 postStop = ''

     

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                   if [ -e /tmp/lastExitCode ] && [ "$(cat /tmp/lastExitCode)" = "0" ]; then

     

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                     echo "Executing postRun hook..."

     

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                     ${data.postRun}

     

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                   fi

     

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                 '';

     

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               })

     

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             );

     

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           systemd.timers = flip mapAttrs' cfg.certs (cert: data: nameValuePair

     

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             ("acme-${cert}")

     

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             ({

     

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               description = "timer for ACME cert renewal of ${cert}";

     

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               wantedBy = [ "timers.target" ];

     

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               timerConfig = {

     

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                 OnCalendar = cfg.renewInterval;

     

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                 Unit = "acme-simp_le-${cert}.service";

     

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               };

     

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             })

     

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           );

     

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             systemd.timers = flip mapAttrs' cfg.certs (cert: data: nameValuePair

     

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               ("acme-${cert}")

     

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               ({

     

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                 description = "timer for ACME cert renewal of ${cert}";

     

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                 wantedBy = [ "timers.target" ];

     

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                 timerConfig = {

     

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                   OnCalendar = cfg.renewInterval;

     

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                   Unit = "acme-simp_le-${cert}.service";

     

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                 };

     

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               })

     

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             );

     

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           })

     

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         };

     

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           { meta.maintainers = with lib.maintainers; [ abbradar fpletz globin ];

     

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             meta.doc = ./acme.xml;

     

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           }

     

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         ];

     

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       }

+69

nixos/modules/security/acme.xml

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       <chapter xmlns="http://docbook.org/ns/docbook"

     

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                xmlns:xlink="http://www.w3.org/1999/xlink"

     

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                xmlns:xi="http://www.w3.org/2001/XInclude"

     

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                version="5.0"

     

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                xml:id="module-security-acme">

     

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       <title>SSL/TLS Certificates with ACME</title>

     

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       <para>NixOS supports automatic domain validation &amp; certificate

     

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       retrieval and renewal using the ACME protocol. This is currently only

     

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       implemented by and for Let's Encrypt. The alternative ACME client

     

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       <literal>simp_le</literal> is used under the hood.</para>

     

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       <section><title>Prerequisites</title>

     

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       <para>You need to have a running HTTP server for verification. The server must

     

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       have a webroot defined that can serve

     

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       <filename>.well-known/acme-challenge</filename>. This directory must be

     

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       writeable by the user that will run the ACME client.</para>

     

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       <para>For instance, this generic snippet could be used for Nginx:

     

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       <programlisting>

     

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       http {

     

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         server {

     

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           server_name _;

     

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           listen 80;

     

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           listen [::]:80;

     

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           location /.well-known/acme-challenge {

     

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             root /var/www/challenges;

     

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           }

     

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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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       }

     

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       </programlisting>

     

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       </para>

     

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       </section>

     

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       <section><title>Configuring</title>

     

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       <para>To enable ACME certificate retrieval &amp; renewal for a certificate for

     

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       <literal>foo.example.com</literal>, add the following in your

     

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       <filename>configuration.nix</filename>:

     

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       <programlisting>

     

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       security.acme.certs."foo.example.com" = {

     

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         webroot = "/var/www/challenges";

     

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         email = "foo@example.com";

     

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       };

     

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       </programlisting>

     

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       </para>

     

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       <para>The private key <filename>key.pem</filename> and certificate

     

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       <filename>fullchain.pem</filename> will be put into

     

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       <filename>/var/lib/acme/foo.example.com</filename>. The target directory can

     

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       be configured with the option <literal>security.acme.directory</literal>.

     

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       </para>

     

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       <para>Refer to <xref linkend="ch-options" /> for all available configuration

     

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       options for the <literal>security.acme</literal> module.</para>

     

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       </section>

     

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       </chapter>