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Merge pull request #33372 from Mic92/memcache

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nixos/memcached: make unix sockets usuable
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Jörg Thalheim 2018-01-04 18:39:48 +01:00 committed by GitHub
commit f29ecd56c1
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3 changed files with 38 additions and 25 deletions
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8
nixos/doc/manual/release-notes/rl-1803.xml
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@ -131,6 +131,14 @@ following incompatible changes:</para>
Other types dependencies should be unaffected. Other types dependencies should be unaffected.
</para> </para>
</listitem> </listitem>
<listitem>
<para>
The <literal>memcached</literal> service no longer accept dynamic socket
paths via <option>services.memcached.socket</option>. Unix sockets can be
still enabled by <option>services.memcached.enableUnixSocket</option> and
will be accessible at <literal>/run/memcached/memcached.sock</literal>.
</para>
</listitem>
</itemizedlist> </itemizedlist>
</section> </section>

4
nixos/modules/misc/ids.nix
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@ -197,7 +197,7 @@
#input = 174; # unused #input = 174; # unused
sddm = 175; sddm = 175;
tss = 176; tss = 176;
memcached = 177; #memcached = 177; removed 2018-01-03
ntp = 179; ntp = 179;
zabbix = 180; zabbix = 180;
#redis = 181; removed 2018-01-03 #redis = 181; removed 2018-01-03
@ -475,7 +475,7 @@
input = 174; input = 174;
sddm = 175; sddm = 175;
tss = 176; tss = 176;
#memcached = 177; # unused #memcached = 177; # unused, removed 2018-01-03
#ntp = 179; # unused #ntp = 179; # unused
#zabbix = 180; # unused #zabbix = 180; # unused
#redis = 181; # unused, removed 2018-01-03 #redis = 181; # unused, removed 2018-01-03

51
nixos/modules/services/databases/memcached.nix
View File

@ -40,11 +40,7 @@ in
description = "The port to bind to"; description = "The port to bind to";
}; };
socket = mkOption { enableUnixSocket = mkEnableOption "unix socket at /run/memcached/memcached.sock";
default = "";
description = "Unix socket path to listen on. Setting this will disable network support";
example = "/var/run/memcached";
};
maxMemory = mkOption { maxMemory = mkOption {
default = 64; default = 64;
@ -68,31 +64,40 @@ in
config = mkIf config.services.memcached.enable { config = mkIf config.services.memcached.enable {
users.extraUsers.memcached = users.extraUsers = optional (cfg.user == "memcached") {
{ name = cfg.user; name = "memcached";
uid = config.ids.uids.memcached; description = "Memcached server user";
description = "Memcached server user"; };
};
environment.systemPackages = [ memcached ]; environment.systemPackages = [ memcached ];
systemd.services.memcached = systemd.services.memcached = {
{ description = "Memcached server"; description = "Memcached server";
wantedBy = [ "multi-user.target" ]; wantedBy = [ "multi-user.target" ];
after = [ "network.target" ]; after = [ "network.target" ];
serviceConfig = { serviceConfig = {
ExecStart = PermissionsStartOnly = true;
let ExecStartPre = optionals cfg.enableUnixSocket [
networking = if cfg.socket != "" "${pkgs.coreutils}/bin/install -d -o ${cfg.user} /run/memcached/"
then "-s ${cfg.socket}" "${pkgs.coreutils}/bin/chown -R ${cfg.user} /run/memcached/"
else "-l ${cfg.listen} -p ${toString cfg.port}"; ];
in "${memcached}/bin/memcached ${networking} -m ${toString cfg.maxMemory} -c ${toString cfg.maxConnections} ${concatStringsSep " " cfg.extraOptions}"; ExecStart =
let
networking = if cfg.enableUnixSocket
then "-s /run/memcached/memcached.sock"
else "-l ${cfg.listen} -p ${toString cfg.port}";
in "${memcached}/bin/memcached ${networking} -m ${toString cfg.maxMemory} -c ${toString cfg.maxConnections} ${concatStringsSep " " cfg.extraOptions}";
User = cfg.user; User = cfg.user;
};
}; };
};
}; };
imports = [
(mkRemovedOptionModule ["services" "memcached" "socket"] ''
This option was replaced by a fixed unix socket path at /run/memcached/memcached.sock enabled using services.memached.enableUnixSocket.
'')
];
} }