124 lines
3.6 KiB
Nix
124 lines
3.6 KiB
Nix
## From https://github.com/NixOS/nixpkgs/pull/100871
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{ config, lib, pkgs, options, ... }:
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with lib;
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let
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cfg = config.services.ipfs-cluster;
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opt = options.services.ipfs-cluster;
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# secret is by envvar, not flag
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initFlags = toString [
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(optionalString (cfg.initPeers != [ ]) "--peers")
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(lib.strings.concatStringsSep "," cfg.initPeers)
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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.ipfs-cluster = {
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enable = mkEnableOption
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"Pinset orchestration for IPFS - requires ipfs daemon to be useful";
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user = mkOption {
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type = types.str;
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default = "ipfs";
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description = "User under which the ipfs-cluster daemon runs.";
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};
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group = mkOption {
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type = types.str;
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default = "ipfs";
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description = "Group under which the ipfs-cluster daemon runs.";
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};
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consensus = mkOption {
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type = types.enum [ "raft" "crdt" ];
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description = "Consensus protocol - 'raft' or 'crdt'. https://cluster.ipfs.io/documentation/guides/consensus/";
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};
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dataDir = mkOption {
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type = types.str;
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default = "/var/lib/ipfs-cluster";
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description = "The data dir for ipfs-cluster.";
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};
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initPeers = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = "Peer addresses to initialize with on first run.";
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};
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openSwarmPort = mkOption {
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type = types.bool;
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description = "Open swarm port, secured by the cluster secret. This does not expose the API or proxy. https://cluster.ipfs.io/documentation/guides/security/";
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};
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secretFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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File containing the cluster secret in the format of EnvironmentFile as described by
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<citerefentry><refentrytitle>systemd.exec</refentrytitle>
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<manvolnum>5</manvolnum></citerefentry>. For example:
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<programlisting>
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CLUSTER_SECRET=<replaceable>...</replaceable>
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</programlisting>
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if null, a new secret will be generated on first run.
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A secret in the correct format can also be generated by: openssl rand -hex 32
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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 = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.ipfs-cluster ];
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systemd.tmpfiles.rules =
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[ "d '${cfg.dataDir}' - ${cfg.user} ${cfg.group} - -" ];
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systemd.services.ipfs-cluster-init = {
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path = [ "/run/wrappers" pkgs.ipfs-cluster ];
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environment.IPFS_CLUSTER_PATH = cfg.dataDir;
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wantedBy = [ "default.target" ];
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serviceConfig = {
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# "" clears exec list (man systemd.service -> execStart)
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ExecStart = [
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""
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"${pkgs.ipfs-cluster}/bin/ipfs-cluster-service init --consensus ${cfg.consensus} ${initFlags}"
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];
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Type = "oneshot";
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RemainAfterExit = true;
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User = cfg.user;
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Group = cfg.group;
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} // optionalAttrs (cfg.secretFile != null) {
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EnvironmentFile = cfg.secretFile;
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};
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unitConfig.ConditionDirectoryNotEmpty = "!${cfg.dataDir}";
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};
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systemd.services.ipfs-cluster = {
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environment.IPFS_CLUSTER_PATH = cfg.dataDir;
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wantedBy = [ "multi-user.target" ];
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wants = [ "ipfs-cluster-init.service" ];
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after = [ "ipfs-cluster-init.service" ];
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serviceConfig = {
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ExecStart =
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[ "" "${pkgs.ipfs-cluster}/bin/ipfs-cluster-service daemon" ];
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User = cfg.user;
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Group = cfg.group;
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};
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};
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networking.firewall.allowedTCPPorts = mkIf cfg.openSwarmPort [ 9096 ];
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};
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}
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