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systemd to module

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This commit is contained in:
Robin Raymond 2017-09-02 15:08:50 +02:00
parent 9ac491f87d
commit 3eb363fc71
2 changed files with 38 additions and 38 deletions
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7
default.nix
View file

@ -252,6 +252,7 @@ in
./mail-server/users.nix ./mail-server/users.nix
./mail-server/environment.nix ./mail-server/environment.nix
./mail-server/networking.nix ./mail-server/networking.nix
./mail-server/systemd.nix
]; ];
config = mkIf cfg.enable { config = mkIf cfg.enable {
@ -262,11 +263,5 @@ in
certificateScheme certificateFile keyFile certificateDirectory virusScanning; certificateScheme certificateFile keyFile certificateDirectory virusScanning;
}; };
systemd = import ./mail-server/systemd.nix {
inherit pkgs;
inherit (cfg) mailDirectory vmailGroupName certificateScheme
certificateDirectory
hostPrefix domain dkimSelector dkimKeyDirectory;
};
}; };
} }

69
mail-server/systemd.nix
View file

@ -14,22 +14,23 @@
# You should have received a copy of the GNU General Public License # You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/> # along with this program. If not, see <http://www.gnu.org/licenses/>
{ pkgs, mailDirectory, vmailGroupName, certificateScheme, certificateDirectory, hostPrefix, { config, pkgs, lib, ... }:
domain, dkimSelector, dkimKeyDirectory}:
let let
create_certificate = if certificateScheme == 2 then cfg = config.mailserver;
create_certificate = if cfg.certificateScheme == 2 then
'' ''
# Create certificates if they do not exist yet # Create certificates if they do not exist yet
dir="${certificateDirectory}" dir="${cfg.certificateDirectory}"
fqdn="${hostPrefix}.${domain}" fqdn="${cfg.hostPrefix}.${cfg.domain}"
case $fqdn in /*) fqdn=$(cat "$fqdn");; esac case $fqdn in /*) fqdn=$(cat "$fqdn");; esac
key="''${dir}/key-${domain}.pem"; key="''${dir}/key-${cfg.domain}.pem";
cert="''${dir}/cert-${domain}.pem"; cert="''${dir}/cert-${cfg.domain}.pem";
if [ ! -f "''${key}" ] || [ ! -f "''${cert}" ] if [ ! -f "''${key}" ] || [ ! -f "''${cert}" ]
then then
mkdir -p "${certificateDirectory}" mkdir -p "${cfg.certificateDirectory}"
(umask 077; "${pkgs.openssl}/bin/openssl" genrsa -out "''${key}" 2048) && (umask 077; "${pkgs.openssl}/bin/openssl" genrsa -out "''${key}" 2048) &&
"${pkgs.openssl}/bin/openssl" req -new -key "''${key}" -x509 -subj "/CN=''${fqdn}" \ "${pkgs.openssl}/bin/openssl" req -new -key "''${key}" -x509 -subj "/CN=''${fqdn}" \
-days 3650 -out "''${cert}" -days 3650 -out "''${cert}"
@ -37,49 +38,53 @@ let
'' ''
else ""; else "";
dkim_key = "${dkimKeyDirectory}/${dkimSelector}.private"; dkim_key = "${cfg.dkimKeyDirectory}/${cfg.dkimSelector}.private";
dkim_txt = "${dkimKeyDirectory}/${dkimSelector}.txt"; dkim_txt = "${cfg.dkimKeyDirectory}/${cfg.dkimSelector}.txt";
create_dkim_cert = create_dkim_cert =
'' ''
# Create dkim dir # Create dkim dir
mkdir -p "${dkimKeyDirectory}" mkdir -p "${cfg.dkimKeyDirectory}"
chown rmilter:rmilter "${dkimKeyDirectory}" chown rmilter:rmilter "${cfg.dkimKeyDirectory}"
if [ ! -f "${dkim_key}" ] || [ ! -f "${dkim_txt}" ] if [ ! -f "${dkim_key}" ] || [ ! -f "${dkim_txt}" ]
then then
${pkgs.opendkim}/bin/opendkim-genkey -s "${dkimSelector}" \ ${pkgs.opendkim}/bin/opendkim-genkey -s "${cfg.dkimSelector}" \
-d ${domain} \ -d ${cfg.domain} \
--directory="${dkimKeyDirectory}" --directory="${cfg.dkimKeyDirectory}"
chown rmilter:rmilter "${dkim_key}" chown rmilter:rmilter "${dkim_key}"
fi fi
''; '';
in in
{ {
# Set the correct permissions for dovecot vmail folder. See
# <http://wiki2.dovecot.org/SharedMailboxes/Permissions>. We choose
# to use the systemd service to set the folder permissions whenever
# dovecot gets started.
services.dovecot2.after = [ "postfix.service" ];
# Check for certificate before both postfix and dovecot to make sure it config = with cfg; lib.mkIf enable {
# exists. # Set the correct permissions for dovecot vmail folder. See
services.postfix = { # <http://wiki2.dovecot.org/SharedMailboxes/Permissions>. We choose
preStart = # to use the systemd service to set the folder permissions whenever
'' # dovecot gets started.
systemd.services.dovecot2.after = [ "postfix.service" ];
# Check for certificate before both postfix and dovecot to make sure it
# exists.
systemd.services.postfix = {
preStart =
''
# Create mail directory and set permissions # Create mail directory and set permissions
mkdir -p "${mailDirectory}" mkdir -p "${mailDirectory}"
chgrp "${vmailGroupName}" "${mailDirectory}" chgrp "${vmailGroupName}" "${mailDirectory}"
chmod 02770 "${mailDirectory}" chmod 02770 "${mailDirectory}"
${create_certificate} ${create_certificate}
''; '';
}; };
services.rmilter = { systemd.services.rmilter = {
preStart = preStart =
'' ''
${create_dkim_cert} ${create_dkim_cert}
''; '';
};
}; };
} }