495 lines
19 KiB
Nix
495 lines
19 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xtreemfs;
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xtreemfs = pkgs.xtreemfs;
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home = cfg.homeDir;
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startupScript = class: configPath: pkgs.writeScript "xtreemfs-osd.sh" ''
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#! ${pkgs.runtimeShell}
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JAVA_HOME="${pkgs.jdk}"
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JAVADIR="${xtreemfs}/share/java"
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JAVA_CALL="$JAVA_HOME/bin/java -ea -cp $JAVADIR/XtreemFS.jar:$JAVADIR/BabuDB.jar:$JAVADIR/Flease.jar:$JAVADIR/protobuf-java-2.5.0.jar:$JAVADIR/Foundation.jar:$JAVADIR/jdmkrt.jar:$JAVADIR/jdmktk.jar:$JAVADIR/commons-codec-1.3.jar"
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$JAVA_CALL ${class} ${configPath}
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'';
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dirReplicationConfig = pkgs.writeText "xtreemfs-dir-replication-plugin.properties" ''
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babudb.repl.backupDir = ${home}/server-repl-dir
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plugin.jar = ${xtreemfs}/share/java/BabuDB_replication_plugin.jar
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babudb.repl.dependency.0 = ${xtreemfs}/share/java/Flease.jar
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${cfg.dir.replication.extraConfig}
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'';
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dirConfig = pkgs.writeText "xtreemfs-dir-config.properties" ''
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uuid = ${cfg.dir.uuid}
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listen.port = ${toString cfg.dir.port}
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${optionalString (cfg.dir.address != "") "listen.address = ${cfg.dir.address}"}
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http_port = ${toString cfg.dir.httpPort}
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babudb.baseDir = ${home}/dir/database
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babudb.logDir = ${home}/dir/db-log
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babudb.sync = ${if cfg.dir.replication.enable then "FDATASYNC" else cfg.dir.syncMode}
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${optionalString cfg.dir.replication.enable "babudb.plugin.0 = ${dirReplicationConfig}"}
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${cfg.dir.extraConfig}
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'';
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mrcReplicationConfig = pkgs.writeText "xtreemfs-mrc-replication-plugin.properties" ''
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babudb.repl.backupDir = ${home}/server-repl-mrc
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plugin.jar = ${xtreemfs}/share/java/BabuDB_replication_plugin.jar
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babudb.repl.dependency.0 = ${xtreemfs}/share/java/Flease.jar
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${cfg.mrc.replication.extraConfig}
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'';
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mrcConfig = pkgs.writeText "xtreemfs-mrc-config.properties" ''
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uuid = ${cfg.mrc.uuid}
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listen.port = ${toString cfg.mrc.port}
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${optionalString (cfg.mrc.address != "") "listen.address = ${cfg.mrc.address}"}
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http_port = ${toString cfg.mrc.httpPort}
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babudb.baseDir = ${home}/mrc/database
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babudb.logDir = ${home}/mrc/db-log
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babudb.sync = ${if cfg.mrc.replication.enable then "FDATASYNC" else cfg.mrc.syncMode}
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${optionalString cfg.mrc.replication.enable "babudb.plugin.0 = ${mrcReplicationConfig}"}
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${cfg.mrc.extraConfig}
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'';
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osdConfig = pkgs.writeText "xtreemfs-osd-config.properties" ''
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uuid = ${cfg.osd.uuid}
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listen.port = ${toString cfg.osd.port}
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${optionalString (cfg.osd.address != "") "listen.address = ${cfg.osd.address}"}
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http_port = ${toString cfg.osd.httpPort}
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object_dir = ${home}/osd/
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${cfg.osd.extraConfig}
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'';
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optionalDir = optionals cfg.dir.enable ["xtreemfs-dir.service"];
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systemdOptionalDependencies = {
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after = [ "network.target" ] ++ optionalDir;
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wantedBy = [ "multi-user.target" ] ++ optionalDir;
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};
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in
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{
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###### interface
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options = {
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services.xtreemfs = {
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enable = mkEnableOption "XtreemFS";
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homeDir = mkOption {
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type = types.path;
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default = "/var/lib/xtreemfs";
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description = ''
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XtreemFS home dir for the xtreemfs user.
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'';
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};
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dir = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable XtreemFS DIR service.
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'';
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};
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uuid = mkOption {
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example = "eacb6bab-f444-4ebf-a06a-3f72d7465e40";
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type = types.str;
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description = ''
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Must be set to a unique identifier, preferably a UUID according to
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RFC 4122. UUIDs can be generated with `uuidgen` command, found in
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the `util-linux` package.
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'';
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};
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port = mkOption {
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default = 32638;
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type = types.port;
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description = ''
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The port to listen on for incoming connections (TCP).
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'';
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};
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address = mkOption {
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type = types.str;
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example = "127.0.0.1";
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default = "";
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description = ''
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If specified, it defines the interface to listen on. If not
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specified, the service will listen on all interfaces (any).
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'';
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};
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httpPort = mkOption {
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default = 30638;
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type = types.port;
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description = ''
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Specifies the listen port for the HTTP service that returns the
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status page.
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'';
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};
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syncMode = mkOption {
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type = types.enum [ "ASYNC" "SYNC_WRITE_METADATA" "SYNC_WRITE" "FDATASYNC" "ASYNC" ];
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default = "FSYNC";
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example = "FDATASYNC";
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description = ''
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The sync mode influences how operations are committed to the disk
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log before the operation is acknowledged to the caller.
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-ASYNC mode the writes to the disk log are buffered in memory by the operating system. This is the fastest mode but will lead to data loss in case of a crash, kernel panic or power failure.
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-SYNC_WRITE_METADATA opens the file with O_SYNC, the system will not buffer any writes. The operation will be acknowledged when data has been safely written to disk. This mode is slow but offers maximum data safety. However, BabuDB cannot influence the disk drive caches, this depends on the OS and hard disk model.
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-SYNC_WRITE similar to SYNC_WRITE_METADATA but opens file with O_DSYNC which means that only the data is commit to disk. This can lead to some data loss depending on the implementation of the underlying file system. Linux does not implement this mode.
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-FDATASYNC is similar to SYNC_WRITE but opens the file in asynchronous mode and calls fdatasync() after writing the data to disk.
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-FSYNC is similar to SYNC_WRITE_METADATA but opens the file in asynchronous mode and calls fsync() after writing the data to disk.
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For best throughput use ASYNC, for maximum data safety use FSYNC.
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(If xtreemfs.dir.replication.enable is true then FDATASYNC is forced)
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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# specify whether SSL is required
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ssl.enabled = true
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ssl.service_creds.pw = passphrase
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ssl.service_creds.container = pkcs12
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ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/dir.p12
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ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks
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ssl.trusted_certs.pw = jks_passphrase
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ssl.trusted_certs.container = jks
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'';
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description = ''
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Configuration of XtreemFS DIR service.
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WARNING: configuration is saved as plaintext inside nix store.
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For more options: http://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
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'';
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};
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replication = {
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enable = mkEnableOption "XtreemFS DIR replication plugin";
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extraConfig = mkOption {
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type = types.lines;
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example = ''
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# participants of the replication including this replica
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babudb.repl.participant.0 = 192.168.0.10
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babudb.repl.participant.0.port = 35676
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babudb.repl.participant.1 = 192.168.0.11
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babudb.repl.participant.1.port = 35676
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babudb.repl.participant.2 = 192.168.0.12
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babudb.repl.participant.2.port = 35676
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# number of servers that at least have to be up to date
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# To have a fault-tolerant system, this value has to be set to the
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# majority of nodes i.e., if you have three replicas, set this to 2
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# Please note that a setup with two nodes provides no fault-tolerance.
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babudb.repl.sync.n = 2
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# specify whether SSL is required
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babudb.ssl.enabled = true
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babudb.ssl.protocol = tlsv12
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# server credentials for SSL handshakes
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babudb.ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12
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babudb.ssl.service_creds.pw = passphrase
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babudb.ssl.service_creds.container = pkcs12
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# trusted certificates for SSL handshakes
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babudb.ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks
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babudb.ssl.trusted_certs.pw = jks_passphrase
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babudb.ssl.trusted_certs.container = jks
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babudb.ssl.authenticationWithoutEncryption = false
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'';
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description = ''
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Configuration of XtreemFS DIR replication plugin.
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WARNING: configuration is saved as plaintext inside nix store.
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For more options: http://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
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'';
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};
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};
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};
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mrc = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable XtreemFS MRC service.
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'';
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};
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uuid = mkOption {
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example = "eacb6bab-f444-4ebf-a06a-3f72d7465e41";
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type = types.str;
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description = ''
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Must be set to a unique identifier, preferably a UUID according to
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RFC 4122. UUIDs can be generated with `uuidgen` command, found in
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the `util-linux` package.
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'';
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};
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port = mkOption {
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default = 32636;
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type = types.port;
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description = ''
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The port to listen on for incoming connections (TCP).
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'';
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};
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address = mkOption {
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example = "127.0.0.1";
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type = types.str;
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default = "";
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description = ''
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If specified, it defines the interface to listen on. If not
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specified, the service will listen on all interfaces (any).
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'';
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};
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httpPort = mkOption {
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default = 30636;
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type = types.port;
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description = ''
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Specifies the listen port for the HTTP service that returns the
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status page.
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'';
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};
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syncMode = mkOption {
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default = "FSYNC";
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type = types.enum [ "ASYNC" "SYNC_WRITE_METADATA" "SYNC_WRITE" "FDATASYNC" "ASYNC" ];
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example = "FDATASYNC";
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description = ''
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The sync mode influences how operations are committed to the disk
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log before the operation is acknowledged to the caller.
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-ASYNC mode the writes to the disk log are buffered in memory by the operating system. This is the fastest mode but will lead to data loss in case of a crash, kernel panic or power failure.
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-SYNC_WRITE_METADATA opens the file with O_SYNC, the system will not buffer any writes. The operation will be acknowledged when data has been safely written to disk. This mode is slow but offers maximum data safety. However, BabuDB cannot influence the disk drive caches, this depends on the OS and hard disk model.
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-SYNC_WRITE similar to SYNC_WRITE_METADATA but opens file with O_DSYNC which means that only the data is commit to disk. This can lead to some data loss depending on the implementation of the underlying file system. Linux does not implement this mode.
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-FDATASYNC is similar to SYNC_WRITE but opens the file in asynchronous mode and calls fdatasync() after writing the data to disk.
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-FSYNC is similar to SYNC_WRITE_METADATA but opens the file in asynchronous mode and calls fsync() after writing the data to disk.
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For best throughput use ASYNC, for maximum data safety use FSYNC.
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(If xtreemfs.mrc.replication.enable is true then FDATASYNC is forced)
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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example = ''
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osd_check_interval = 300
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no_atime = true
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local_clock_renewal = 0
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remote_time_sync = 30000
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authentication_provider = org.xtreemfs.common.auth.NullAuthProvider
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# shared secret between the MRC and all OSDs
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capability_secret = iNG8UuQJrJ6XVDTe
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dir_service.host = 192.168.0.10
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dir_service.port = 32638
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# if replication is enabled
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dir_service.1.host = 192.168.0.11
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dir_service.1.port = 32638
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dir_service.2.host = 192.168.0.12
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dir_service.2.port = 32638
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# specify whether SSL is required
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ssl.enabled = true
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ssl.protocol = tlsv12
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ssl.service_creds.pw = passphrase
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ssl.service_creds.container = pkcs12
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ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/mrc.p12
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ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks
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ssl.trusted_certs.pw = jks_passphrase
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ssl.trusted_certs.container = jks
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'';
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description = ''
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Configuration of XtreemFS MRC service.
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WARNING: configuration is saved as plaintext inside nix store.
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For more options: http://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
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'';
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};
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replication = {
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enable = mkEnableOption "XtreemFS MRC replication plugin";
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extraConfig = mkOption {
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type = types.lines;
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example = ''
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# participants of the replication including this replica
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babudb.repl.participant.0 = 192.168.0.10
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babudb.repl.participant.0.port = 35678
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babudb.repl.participant.1 = 192.168.0.11
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babudb.repl.participant.1.port = 35678
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babudb.repl.participant.2 = 192.168.0.12
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babudb.repl.participant.2.port = 35678
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# number of servers that at least have to be up to date
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# To have a fault-tolerant system, this value has to be set to the
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# majority of nodes i.e., if you have three replicas, set this to 2
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# Please note that a setup with two nodes provides no fault-tolerance.
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babudb.repl.sync.n = 2
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# specify whether SSL is required
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babudb.ssl.enabled = true
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babudb.ssl.protocol = tlsv12
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# server credentials for SSL handshakes
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babudb.ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12
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babudb.ssl.service_creds.pw = passphrase
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babudb.ssl.service_creds.container = pkcs12
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# trusted certificates for SSL handshakes
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babudb.ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks
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babudb.ssl.trusted_certs.pw = jks_passphrase
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babudb.ssl.trusted_certs.container = jks
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babudb.ssl.authenticationWithoutEncryption = false
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'';
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description = ''
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Configuration of XtreemFS MRC replication plugin.
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WARNING: configuration is saved as plaintext inside nix store.
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For more options: http://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
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'';
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};
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};
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};
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osd = {
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enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to enable XtreemFS OSD service.
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'';
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};
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uuid = mkOption {
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example = "eacb6bab-f444-4ebf-a06a-3f72d7465e42";
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type = types.str;
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description = ''
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Must be set to a unique identifier, preferably a UUID according to
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RFC 4122. UUIDs can be generated with `uuidgen` command, found in
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the `util-linux` package.
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'';
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};
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port = mkOption {
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default = 32640;
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type = types.port;
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description = ''
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The port to listen on for incoming connections (TCP and UDP).
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'';
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};
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address = mkOption {
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example = "127.0.0.1";
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type = types.str;
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default = "";
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description = ''
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If specified, it defines the interface to listen on. If not
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specified, the service will listen on all interfaces (any).
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'';
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};
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httpPort = mkOption {
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default = 30640;
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type = types.port;
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description = ''
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Specifies the listen port for the HTTP service that returns the
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status page.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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example = ''
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local_clock_renewal = 0
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remote_time_sync = 30000
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report_free_space = true
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capability_secret = iNG8UuQJrJ6XVDTe
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dir_service.host = 192.168.0.10
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dir_service.port = 32638
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# if replication is used
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dir_service.1.host = 192.168.0.11
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dir_service.1.port = 32638
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dir_service.2.host = 192.168.0.12
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dir_service.2.port = 32638
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# specify whether SSL is required
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ssl.enabled = true
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ssl.service_creds.pw = passphrase
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ssl.service_creds.container = pkcs12
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ssl.service_creds = /etc/xos/xtreemfs/truststore/certs/osd.p12
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ssl.trusted_certs = /etc/xos/xtreemfs/truststore/certs/trusted.jks
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ssl.trusted_certs.pw = jks_passphrase
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ssl.trusted_certs.container = jks
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'';
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description = ''
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Configuration of XtreemFS OSD service.
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WARNING: configuration is saved as plaintext inside nix store.
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For more options: http://www.xtreemfs.org/xtfs-guide-1.5.1/index.html
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'';
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};
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};
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};
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};
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###### implementation
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [ xtreemfs ];
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users.users.xtreemfs =
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{ uid = config.ids.uids.xtreemfs;
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description = "XtreemFS user";
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createHome = true;
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home = home;
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};
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users.groups.xtreemfs =
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{ gid = config.ids.gids.xtreemfs;
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};
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systemd.services.xtreemfs-dir = mkIf cfg.dir.enable {
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description = "XtreemFS-DIR Server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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|
serviceConfig = {
|
|
User = "xtreemfs";
|
|
ExecStart = "${startupScript "org.xtreemfs.dir.DIR" dirConfig}";
|
|
};
|
|
};
|
|
|
|
systemd.services.xtreemfs-mrc = mkIf cfg.mrc.enable ({
|
|
description = "XtreemFS-MRC Server";
|
|
serviceConfig = {
|
|
User = "xtreemfs";
|
|
ExecStart = "${startupScript "org.xtreemfs.mrc.MRC" mrcConfig}";
|
|
};
|
|
} // systemdOptionalDependencies);
|
|
|
|
systemd.services.xtreemfs-osd = mkIf cfg.osd.enable ({
|
|
description = "XtreemFS-OSD Server";
|
|
serviceConfig = {
|
|
User = "xtreemfs";
|
|
ExecStart = "${startupScript "org.xtreemfs.osd.OSD" osdConfig}";
|
|
};
|
|
} // systemdOptionalDependencies);
|
|
|
|
};
|
|
|
|
}
|