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-rw-r--r--nixpkgs/nixos/modules/services/admin/oxidized.nix116
-rw-r--r--nixpkgs/nixos/modules/services/admin/salt/master.nix63
-rw-r--r--nixpkgs/nixos/modules/services/admin/salt/minion.nix67
3 files changed, 246 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/admin/oxidized.nix b/nixpkgs/nixos/modules/services/admin/oxidized.nix
new file mode 100644
index 000000000000..39112c3970d5
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/admin/oxidized.nix
@@ -0,0 +1,116 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.services.oxidized;
+in
+{
+  options.services.oxidized = {
+    enable = mkEnableOption "the oxidized configuration backup service";
+
+    user = mkOption {
+      type = types.str;
+      default = "oxidized";
+      description = ''
+        User under which the oxidized service runs.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = "oxidized";
+      description = ''
+        Group under which the oxidized service runs.
+      '';
+    };
+
+    dataDir = mkOption {
+      type = types.path;
+      default = "/var/lib/oxidized";
+      description = "State directory for the oxidized service.";
+    };
+
+    configFile = mkOption {
+      type = types.path;
+      example = literalExample ''
+        pkgs.writeText "oxidized-config.yml" '''
+          ---
+          debug: true
+          use_syslog: true
+          input:
+            default: ssh
+            ssh:
+              secure: true
+          interval: 3600
+          model_map:
+            dell: powerconnect
+            hp: procurve
+          source:
+            default: csv
+            csv:
+              delimiter: !ruby/regexp /:/
+              file: "/var/lib/oxidized/.config/oxidized/router.db"
+              map:
+                name: 0
+                model: 1
+                username: 2
+                password: 3
+          pid: "/var/lib/oxidized/.config/oxidized/pid"
+          rest: 127.0.0.1:8888
+          retries: 3
+          # ... additional config
+        ''';
+      '';
+      description = ''
+        Path to the oxidized configuration file.
+      '';
+    };
+
+    routerDB = mkOption {
+      type = types.path;
+      example = literalExample ''
+        pkgs.writeText "oxidized-router.db" '''
+          hostname-sw1:powerconnect:username1:password2
+          hostname-sw2:procurve:username2:password2
+          # ... additional hosts
+        '''
+      '';
+      description = ''
+        Path to the file/database which contains the targets for oxidized.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.groups.${cfg.group} = { };
+    users.users.${cfg.user} = {
+      description = "Oxidized service user";
+      group = cfg.group;
+      home = cfg.dataDir;
+      createHome = true;
+    };
+
+    systemd.services.oxidized = {
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      preStart = ''
+        mkdir -p ${cfg.dataDir}/.config/oxidized
+        ln -f -s ${cfg.routerDB} ${cfg.dataDir}/.config/oxidized/router.db
+        ln -f -s ${cfg.configFile} ${cfg.dataDir}/.config/oxidized/config
+      '';
+
+      serviceConfig = {
+        ExecStart = "${pkgs.oxidized}/bin/oxidized";
+        User = cfg.user;
+        Group = cfg.group;
+        UMask = "0077";
+        NoNewPrivileges = true;
+        Restart  = "always";
+        WorkingDirectory = cfg.dataDir;
+        KillSignal = "SIGKILL";
+      };
+    };
+  };
+}
diff --git a/nixpkgs/nixos/modules/services/admin/salt/master.nix b/nixpkgs/nixos/modules/services/admin/salt/master.nix
new file mode 100644
index 000000000000..c6b1b0cc0bd8
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/admin/salt/master.nix
@@ -0,0 +1,63 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+
+  cfg  = config.services.salt.master;
+
+  fullConfig = lib.recursiveUpdate {
+    # Provide defaults for some directories to allow an immutable config dir
+
+    # Default is equivalent to /etc/salt/master.d/*.conf
+    default_include = "/var/lib/salt/master.d/*.conf";
+    # Default is in /etc/salt/pki/master
+    pki_dir = "/var/lib/salt/pki/master";
+  } cfg.configuration;
+
+in
+
+{
+  options = {
+    services.salt.master = {
+      enable = mkEnableOption "Salt master service";
+      configuration = mkOption {
+        type = types.attrs;
+        default = {};
+        description = "Salt master configuration as Nix attribute set.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      # Set this up in /etc/salt/master so `salt`, `salt-key`, etc. work.
+      # The alternatives are
+      # - passing --config-dir to all salt commands, not just the master unit,
+      # - setting a global environment variable,
+      etc."salt/master".source = pkgs.writeText "master" (
+        builtins.toJSON fullConfig
+      );
+      systemPackages = with pkgs; [ salt ];
+    };
+    systemd.services.salt-master = {
+      description = "Salt Master";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      path = with pkgs; [
+        utillinux  # for dmesg
+      ];
+      serviceConfig = {
+        ExecStart = "${pkgs.salt}/bin/salt-master";
+        LimitNOFILE = 16384;
+        Type = "notify";
+        NotifyAccess = "all";
+      };
+      restartTriggers = [
+        config.environment.etc."salt/master".source
+      ];
+    };
+  };
+
+  meta.maintainers = with lib.maintainers; [ aneeshusa ];
+}
diff --git a/nixpkgs/nixos/modules/services/admin/salt/minion.nix b/nixpkgs/nixos/modules/services/admin/salt/minion.nix
new file mode 100644
index 000000000000..c8fa9461a209
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/admin/salt/minion.nix
@@ -0,0 +1,67 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+
+  cfg  = config.services.salt.minion;
+
+  fullConfig = lib.recursiveUpdate {
+    # Provide defaults for some directories to allow an immutable config dir
+    # NOTE: the config dir being immutable prevents `minion_id` caching
+
+    # Default is equivalent to /etc/salt/minion.d/*.conf
+    default_include = "/var/lib/salt/minion.d/*.conf";
+    # Default is in /etc/salt/pki/minion
+    pki_dir = "/var/lib/salt/pki/minion";
+  } cfg.configuration;
+
+in
+
+{
+  options = {
+    services.salt.minion = {
+      enable = mkEnableOption "Salt minion service";
+      configuration = mkOption {
+        type = types.attrs;
+        default = {};
+        description = ''
+          Salt minion configuration as Nix attribute set.
+          See <link xlink:href="https://docs.saltstack.com/en/latest/ref/configuration/minion.html"/>
+          for details.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      # Set this up in /etc/salt/minion so `salt-call`, etc. work.
+      # The alternatives are
+      # - passing --config-dir to all salt commands, not just the minion unit,
+      # - setting aglobal environment variable.
+      etc."salt/minion".source = pkgs.writeText "minion" (
+        builtins.toJSON fullConfig
+      );
+      systemPackages = with pkgs; [ salt ];
+    };
+    systemd.services.salt-minion = {
+      description = "Salt Minion";
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+      path = with pkgs; [
+        utillinux
+      ];
+      serviceConfig = {
+        ExecStart = "${pkgs.salt}/bin/salt-minion";
+        LimitNOFILE = 8192;
+        Type = "notify";
+        NotifyAccess = "all";
+      };
+      restartTriggers = [
+        config.environment.etc."salt/minion".source
+      ];
+    };
+  };
+}
+