certificates/sat-r220-02.lab.eng.rdu2.redhat.com.crt

@@ -0,0 +1,98 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number:
+            d0:17:d1:86:81:d4:f1:28
+    Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=US, ST=North Carolina, L=Raleigh, O=Katello, OU=SomeOrgUnit, CN=sat-r220-02.lab.eng.rdu2.redhat.com
+        Validity
+            Not Before: Nov  2 15:37:13 2018 GMT
+            Not After : Jan 17 15:37:13 2038 GMT
+        Subject: C=US, ST=North Carolina, L=Raleigh, O=Katello, OU=SomeOrgUnit, CN=sat-r220-02.lab.eng.rdu2.redhat.com
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+                Public-Key: (2048 bit)
+                Modulus:
+                    00:ba:03:39:e3:af:3e:c7:89:bd:d0:07:66:83:18:
+                    9c:c0:da:56:e8:bb:37:fe:03:67:94:9a:1c:9d:47:
+                    da:6a:a7:6e:56:6d:0a:73:05:79:0e:44:61:71:78:
+                    33:33:79:b1:ce:a6:9d:87:d0:01:81:10:d5:e3:21:
+                    0f:d0:e9:ef:86:dc:13:34:62:42:47:81:f6:ce:d8:
+                    78:de:00:0c:a6:5d:25:d8:cc:72:6a:c4:7c:e1:5b:
+                    84:2b:e2:3c:b6:51:7e:8e:e6:e1:55:7d:b4:c8:e7:
+                    98:76:eb:20:15:48:6f:2e:91:ca:b7:17:d4:d9:76:
+                    5b:40:1c:7e:4c:0b:6f:2c:63:fa:78:c5:8b:b5:36:
+                    b6:01:d9:da:58:a9:06:76:32:18:ca:b2:7c:2d:aa:
+                    4f:4e:f5:67:30:4c:a6:a3:e3:ef:7c:1d:d3:67:de:
+                    da:a5:b9:57:0d:74:01:c3:24:a9:03:61:98:91:c2:
+                    1f:1d:a4:36:d2:a6:f4:95:6f:01:6a:99:41:ea:f0:
+                    8c:7a:7d:a0:0d:34:93:a3:80:cb:19:fb:1a:e1:c4:
+                    0b:60:5c:8d:33:ea:90:ed:98:d2:2a:06:6e:a2:02:
+                    1f:f8:2c:1e:d4:d0:d4:8f:93:8d:c9:fe:21:39:6a:
+                    5b:7b:60:5d:2a:9c:1e:3f:51:31:b1:be:56:28:cb:
+                    4d:cd
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Basic Constraints: 
+                CA:TRUE
+            X509v3 Key Usage: 
+                Digital Signature, Key Encipherment, Certificate Sign, CRL Sign
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication, TLS Web Client Authentication
+            Netscape Cert Type: 
+                SSL Server, SSL CA
+            Netscape Comment: 
+                Katello SSL Tool Generated Certificate
+            X509v3 Subject Key Identifier: 
+                72:CD:88:06:03:FE:5D:A2:D0:B3:20:C7:37:74:06:84:A8:A8:13:DF
+            X509v3 Authority Key Identifier: 
+                keyid:72:CD:88:06:03:FE:5D:A2:D0:B3:20:C7:37:74:06:84:A8:A8:13:DF
+                DirName:/C=US/ST=North Carolina/L=Raleigh/O=Katello/OU=SomeOrgUnit/CN=sat-r220-02.lab.eng.rdu2.redhat.com
+                serial:D0:17:D1:86:81:D4:F1:28
+
+    Signature Algorithm: sha256WithRSAEncryption
+         70:fe:c6:9f:1a:62:e8:b0:a6:25:df:e8:51:6c:e9:08:48:00:
+         72:2b:d8:a2:95:6e:57:01:8e:2a:9c:a0:14:f8:c9:8a:e3:5d:
+         48:64:f9:0f:81:e7:3e:b1:c2:cb:a0:ec:55:d6:e4:7f:c0:46:
+         7b:bc:66:15:88:61:73:3b:ea:9e:ea:cb:32:79:35:bc:dc:eb:
+         6f:d8:d0:89:c2:ae:fd:02:43:cd:e0:38:d6:9c:16:d7:6d:bb:
+         2c:73:53:3c:82:56:51:d8:96:71:e1:28:49:31:be:fb:ed:23:
+         08:e5:8d:eb:48:c7:25:5d:ef:0e:30:22:d3:93:7f:f1:66:b8:
+         7f:8f:5c:d2:97:e7:13:0e:5b:06:1d:fd:97:1d:a5:24:93:d9:
+         8a:d2:ba:51:00:b3:71:c8:61:da:79:31:64:75:96:d0:b8:d8:
+         45:57:24:40:2f:11:d6:63:70:f5:bf:8d:fc:7f:1b:b9:ad:e0:
+         16:6a:89:9b:6a:0c:d3:e3:b5:14:b4:5c:36:8a:b0:dd:15:4d:
+         4e:77:e9:9b:29:df:e9:e3:27:dc:87:f8:6e:5d:a9:14:42:5c:
+         8b:7b:13:9d:8b:c7:7a:4d:6d:52:7e:5f:02:9f:21:15:de:98:
+         5d:f5:25:30:d3:fa:b4:34:f3:ff:8d:36:c7:e3:1c:d3:b1:f7:
+         b6:7b:ad:40
+-----BEGIN CERTIFICATE-----
+MIIFEDCCA/igAwIBAgIJANAX0YaB1PEoMA0GCSqGSIb3DQEBCwUAMIGOMQswCQYD
+VQQGEwJVUzEXMBUGA1UECAwOTm9ydGggQ2Fyb2xpbmExEDAOBgNVBAcMB1JhbGVp
+Z2gxEDAOBgNVBAoMB0thdGVsbG8xFDASBgNVBAsMC1NvbWVPcmdVbml0MSwwKgYD
+VQQDDCNzYXQtcjIyMC0wMi5sYWIuZW5nLnJkdTIucmVkaGF0LmNvbTAeFw0xODEx
+MDIxNTM3MTNaFw0zODAxMTcxNTM3MTNaMIGOMQswCQYDVQQGEwJVUzEXMBUGA1UE
+CAwOTm9ydGggQ2Fyb2xpbmExEDAOBgNVBAcMB1JhbGVpZ2gxEDAOBgNVBAoMB0th
+dGVsbG8xFDASBgNVBAsMC1NvbWVPcmdVbml0MSwwKgYDVQQDDCNzYXQtcjIyMC0w
+Mi5sYWIuZW5nLnJkdTIucmVkaGF0LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP
+ADCCAQoCggEBALoDOeOvPseJvdAHZoMYnMDaVui7N/4DZ5SaHJ1H2mqnblZtCnMF
+eQ5EYXF4MzN5sc6mnYfQAYEQ1eMhD9Dp74bcEzRiQkeB9s7YeN4ADKZdJdjMcmrE
+fOFbhCviPLZRfo7m4VV9tMjnmHbrIBVIby6RyrcX1Nl2W0AcfkwLbyxj+njFi7U2
+tgHZ2lipBnYyGMqyfC2qT071ZzBMpqPj73wd02fe2qW5Vw10AcMkqQNhmJHCHx2k
+NtKm9JVvAWqZQerwjHp9oA00k6OAyxn7GuHEC2BcjTPqkO2Y0ioGbqICH/gsHtTQ
+1I+Tjcn+ITlqW3tgXSqcHj9RMbG+VijLTc0CAwEAAaOCAW0wggFpMAwGA1UdEwQF
+MAMBAf8wCwYDVR0PBAQDAgGmMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
+AjARBglghkgBhvhCAQEEBAMCAkQwNQYJYIZIAYb4QgENBCgWJkthdGVsbG8gU1NM
+IFRvb2wgR2VuZXJhdGVkIENlcnRpZmljYXRlMB0GA1UdDgQWBBRyzYgGA/5dotCz
+IMc3dAaEqKgT3zCBwwYDVR0jBIG7MIG4gBRyzYgGA/5dotCzIMc3dAaEqKgT36GB
+lKSBkTCBjjELMAkGA1UEBhMCVVMxFzAVBgNVBAgMDk5vcnRoIENhcm9saW5hMRAw
+DgYDVQQHDAdSYWxlaWdoMRAwDgYDVQQKDAdLYXRlbGxvMRQwEgYDVQQLDAtTb21l
+T3JnVW5pdDEsMCoGA1UEAwwjc2F0LXIyMjAtMDIubGFiLmVuZy5yZHUyLnJlZGhh
+dC5jb22CCQDQF9GGgdTxKDANBgkqhkiG9w0BAQsFAAOCAQEAcP7Gnxpi6LCmJd/o
+UWzpCEgAcivYopVuVwGOKpygFPjJiuNdSGT5D4HnPrHCy6DsVdbkf8BGe7xmFYhh
+czvqnurLMnk1vNzrb9jQicKu/QJDzeA41pwW1227LHNTPIJWUdiWceEoSTG+++0j
+COWN60jHJV3vDjAi05N/8Wa4f49c0pfnEw5bBh39lx2lJJPZitK6UQCzcchh2nkx
+ZHWW0LjYRVckQC8R1mNw9b+N/H8bua3gFmqJm2oM0+O1FLRcNoqw3RVNTnfpmynf
+6eMn3If4bl2pFEJci3sTnYvHek1tUn5fAp8hFd6YXfUlMNP6tDTz/402x+Mc07H3
+tnutQA==
+-----END CERTIFICATE-----

nix/home-manager/configuration/graphical-fullblown.nix

@@ -87,6 +87,7 @@ in {
       nix-index
       nox
       nix-prefetch-scripts
+      nix-prefetch-github
 
       # Version Control Systems
       unstablepkgs.pijul
@@ -303,6 +304,7 @@ in {
       testdisk
       python27Packages.binwalk
       gptfdisk
+      gparted
 
       # games
       zeroad

nix/home-manager/configuration/text-minimal.nix

@@ -1,5 +1,5 @@
 { pkgs
-, config, 
+, config,
 ... }:
 
 let
@@ -23,5 +23,6 @@ in {
   home.packages = []
     ++ (with pkgs; [
     iperf3
-  ]); 
+    telnet
+  ]);
 }

nix/os/containers/mailserver.nix

@@ -0,0 +1,147 @@
+{ ... } @ args:
+
+let
+  passwords = import ../../variables/passwords.crypt.nix;
+
+in args // {
+  config = { pkgs, ... }: {
+    imports = [
+      ../profiles/containers/configuration.nix
+      ../profiles/common/user.nix
+    ];
+
+    networking.firewall.enable = false;
+
+    services.ddclientovh = {
+        enable = true;
+        domain = "mailserver.svc.stefanjunker.de";
+    };
+
+    services.dovecot2 = {
+      enable = true;
+
+      modules = [ pkgs.dovecot_pigeonhole ];
+      protocols = [ "sieve" ];
+
+      enableImap = true;
+      enableLmtp = true;
+      enablePAM = true;
+      showPAMFailure = true;
+      mailLocation = "maildir:~/.maildir";
+      sslServerCert = "/etc/secrets/server.pem";
+      sslServerKey = "/etc/secrets/server.key";
+
+      #configFile = "/etc/dovecot/dovecot2_manual.conf";
+      extraConfig = ''
+        auth_mechanisms = cram-md5 digest-md5
+        auth_verbose = yes
+        
+        passdb {
+          driver = passwd-file
+          args = scheme=CRYPT username_format=%u /etc/dovecot/users
+        }
+
+      '';
+
+    };
+
+    environment.etc."dovecot/users".text = ''
+      steveej:${passwords.email.steveej}
+    '';
+
+    systemd.services.steveej-getmail-stefanjunker = {
+      enable = true;
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig.User = "steveej";
+      serviceConfig.Group = "users";
+      description = "Getmail service";
+      path = [ pkgs.getmail ];
+      script = let
+          rc = pkgs.writeText "mailATstefanjunker.de.getmail.rc" ''
+            [options]
+            verbose = 1
+            read_all = 0
+            delete_after = 30
+
+            [retriever]
+            type = SimpleIMAPSSLRetriever
+            server = ssl0.ovh.net
+            port = 993
+            username = mail@stefanjunker.de
+            password = ${passwords.email.mailStefanjunkerDe}
+            mailboxes = ('INBOX',)
+
+            [destination]
+            type = Maildir
+            path = ~/.maildir/
+          '';
+        in ''
+          getmail --rcfile=${rc} --idle=INBOX
+      '';
+    };
+
+    systemd.services.steveej-getmail-webde = {
+      enable = true;
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig.User = "steveej";
+      serviceConfig.Group = "users";
+      description = "Getmail service";
+      path = [ pkgs.getmail ];
+      serviceConfig.RestartSec = 900;
+      serviceConfig.Restart = "always";
+      script = let
+          rc = pkgs.writeText "schtifATweb.de.getmail.rc" ''
+            [options]
+            verbose = 1
+            read_all = 0
+            delete_after = 30
+
+            [retriever]
+            type = SimpleIMAPSSLRetriever
+            server = imap.web.de
+            port = 993
+            username = schtif
+            password = ${passwords.email.schtifATwebDe}
+            mailboxes = ('INBOX',)
+
+            [destination]
+            type = Maildir
+            path = ~/.maildir/
+          '';
+        in ''
+          getmail --rcfile=${rc}
+      '';
+      };
+    };
+
+  autoStart = true;
+
+  bindMounts = {
+    "/etc/secrets/" = { 
+      hostPath = "/var/lib/container-volumes/mailserver/etc-secrets";
+      isReadOnly = false;
+    };
+
+    "/home" = { 
+      hostPath = "/var/lib/container-volumes/mailserver/home";
+      isReadOnly = false;
+    };
+  };
+
+  privateNetwork = true ;
+  forwardPorts = [
+    {
+      # imaps
+      containerPort = 993;
+      hostPort = 993;
+      protocol = "tcp";
+    }
+
+    {
+      # sieve
+      containerPort = 4190;
+      hostPort = 4190;
+      protocol = "tcp";
+    }
+  ];
+}

nix/os/containers/webserver.nix

@@ -0,0 +1,88 @@
+{ ... } @ args:
+
+let
+
+in args // {
+  config = { config, pkgs, ... }: {
+    imports = [
+      ../profiles/containers/configuration.nix
+    ];
+
+    networking.firewall.enable = false;
+
+    services.ddclientovh = {
+        enable = true;
+        domain = "www.stefanjunker.de";
+    };
+
+    services.nginx.enable = true;
+    services.nginx.virtualHosts."stefanjunker.de" = {
+      default = true;
+      onlySSL = true;
+      root = "/var/www/stefanjunker.de/htdocs";
+
+      sslCertificate = "/etc/secrets/stefanjunker.de/nginx/nginx.crt";
+      sslCertificateKey = "/etc/secrets/stefanjunker.de/nginx/nginx.key";
+
+      locations."/fi" = {
+        index = "index.php";
+      };
+
+      locations."~ ^(.+\.php)(.*)$".extraConfig = ''
+        fastcgi_split_path_info  ^(.+\.php)(.*)$;
+
+        fastcgi_pass 127.0.0.1:9000;
+        fastcgi_index index.php;
+      '';
+    };
+
+    services.phpfpm.phpPackage = pkgs.php56;
+
+    services.phpfpm.poolConfigs.mypool = ''
+      listen = 127.0.0.1:9000
+      user = nobody
+      pm = dynamic
+      pm.max_children = 5
+      pm.start_servers = 2
+      pm.min_spare_servers = 1
+      pm.max_spare_servers = 3
+      pm.max_requests = 500
+
+      php_admin_value[error_reporting] = E_ALL & ~E_NOTICE & ~E_WARNING & ~E_STRICT & ~E_DEPRECATED
+    '';
+
+    services.mysql = {
+      enable = true;
+      package = pkgs.mariadb;
+    };
+  };
+
+  autoStart = true;
+
+  bindMounts = {
+    "/etc/secrets/" = {
+      hostPath = "/var/lib/container-volumes/webserver/etc-secrets";
+      isReadOnly = true;
+    };
+
+    "/var/www" = {
+      hostPath = "/var/lib/container-volumes/webserver/var-www";
+      isReadOnly = false;
+    };
+
+    "/var/lib/mysql" = {
+      hostPath = "/var/lib/container-volumes/webserver/var-lib-mysql";
+      isReadOnly = false;
+    };
+  };
+
+  privateNetwork = true;
+  forwardPorts = [
+    {
+      # https
+      containerPort = 443;
+      hostPort = 443;
+      protocol = "tcp";
+    }
+  ];
+}

nix/os/devices/steveej-laptop/configuration.nix

@@ -1,7 +1,7 @@
 { ... }:
 
 {
-  imports = [ 
+  imports = [
     ../../profiles/common/configuration.nix
     ../../profiles/graphical/configuration.nix
 

nix/os/devices/steveej-t480s-work/configuration.nix

@@ -15,5 +15,7 @@
     ./system.nix
     ./hw.nix
     ./pkg.nix
+
+    ../../profiles/podman/configuration.nix
   ];
 }

nix/os/devices/steveej-t480s-work/system.nix

@@ -72,4 +72,9 @@ in {
       authorizedKeys = keys.users.steveej.openssh;
     };
   };
+
+  security.pki.certificateFiles = [
+    "${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
+    ../../../../certificates/sat-r220-02.lab.eng.rdu2.redhat.com.crt
+  ];
 }

nix/os/devices/vmd32387.contaboserver.net/system.nix

@@ -8,18 +8,24 @@ let
 
 in {
   # TASK: new device
-  networking.hostName = "contabo1"; # Define your hostname.
-  networking.domain =  "bootstrap.clusters.stefanjunker.de";
+  networking.hostName = "vmd32387"; # Define your hostname.
+  networking.domain =  "contaboserver.net";
 
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [
     # iperf3
     5201
   ];
+  networking.firewall.logRefusedConnections = false;
 
-  networking.useDHCP = true;
   networking.usePredictableInterfaceNames = false;
+  networking.dhcpcd = {
+    enable = true;
+    persistent = true;
+  };
+
   networking.interfaces.eth0 = {
+    useDHCP = true;
     ipv6.addresses = [
       { address = "2a02:c207:3003:2387::1"; prefixLength = 64; }
     ];
@@ -29,6 +35,12 @@ in {
     interface = "eth0";
   };
 
+  networking.nat = {
+    enable = true;
+    internalInterfaces = [ "ve-+" ];
+    externalInterface = "eth0";
+  };
+
   # Kubernetes
   # services.kubernetes.roles = ["master" "node"];
 
@@ -57,4 +69,16 @@ in {
       ip link set $iface down
     done
   '';
+
+  containers = {
+    mailserver = import ../../containers/mailserver.nix {
+      hostAddress = "192.168.100.10";
+      localAddress = "192.168.100.11";
+    };
+
+    webserver = import ../../containers/webserver.nix {
+      hostAddress = "192.168.100.12";
+      localAddress = "192.168.100.13";
+    };
+  };
 }

nix/os/modules/ddclient-ovh.nix

@@ -0,0 +1,30 @@
+{ lib
+, config
+, ... }:
+
+let
+  cfg = config.services.ddclientovh;
+
+  passwords = import ../../variables/passwords.crypt.nix;
+
+in {
+
+  options.services.ddclientovh = with lib; {
+    enable = mkEnableOption "Enable ddclient-ovh";
+    domain = mkOption {
+      type = types.string;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+      services.ddclient = {
+        enable = true;
+        protocol = "dyndns2";
+        server = "www.ovh.com";
+        ssl = true;
+        domains = [ cfg.domain ];
+        use = "web, web=ifconfig.co";
+        inherit (passwords.dyndns.${cfg.domain}) username password;
+    };
+  };
+}

nix/os/profiles/containers/configuration.nix

@@ -0,0 +1,11 @@
+{ ... }:
+
+{
+  nixpkgs.overlays = [
+     (import ../../../overlay.nix)
+  ];
+
+  imports = [
+    ../../modules/ddclient-ovh.nix
+  ];
+}

nix/os/profiles/podman/configuration.nix

@@ -0,0 +1,187 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    podman
+    runc
+    conmon
+    cni
+    cni-plugins
+    slirp4netns
+  ];
+
+  environment.etc."containers/registries.conf".text = ''
+    # This is a system-wide configuration file used to
+    # keep track of registries for various container backends.
+    # It adheres to TOML format and does not support recursive
+    # lists of registries.
+
+    [registries.search]
+    registries = [ 'docker.io'
+      , 'registry.fedoraproject.org'
+      , 'registry.access.redhat.com'
+      , 'quay.io'
+    ]
+
+    # If you need to access insecure registries, add the registry's fully-qualified name.
+    # An insecure registry is one that does not have a valid SSL certificate or only does HTTP.
+    [registries.insecure]
+    registries = ['localhost:5000']
+  '';
+
+  environment.etc."containers/policy.json".text = ''
+    {
+        "default": [
+            {
+                "type": "insecureAcceptAnything"
+            }
+        ],
+        "transports":
+            {
+                "docker-daemon":
+                    {
+                        "": [{"type":"insecureAcceptAnything"}]
+                    }
+            }
+    }
+  '';
+
+  environment.etc."cni/net.d/00-loopback.conf".text = ''
+  {
+      "cniVersion": "0.3.0",
+      "type": "loopback"
+  }
+  '';
+
+  environment.etc."cni/net.d/87-podman-bridge.conflist".text = ''
+    {
+        "cniVersion": "0.3.0",
+        "name": "podman",
+        "plugins": [
+          {
+            "type": "bridge",
+            "bridge": "cni0",
+            "isGateway": true,
+            "ipMasq": true,
+            "ipam": {
+                "type": "host-local",
+                "subnet": "10.88.0.0/16",
+                "routes": [
+                    { "dst": "0.0.0.0/0" }
+                ]
+            }
+          },
+          {
+            "type": "portmap",
+            "capabilities": {
+              "portMappings": true
+            }
+          }
+        ]
+    }
+  '';
+
+  environment.etc."containers/libpod.conf".text = ''
+    # libpod.conf is the default configuration file for all tools using libpod to
+    # manage containers
+
+    # Default transport method for pulling and pushing for images
+    image_default_transport = "docker://"
+
+    # Paths to search for the Conmon container manager binary
+    runtime_path = [
+      "${pkgs.runc}/bin/runc"
+    ]
+
+
+    # Paths to look for the Conmon container manager binary
+    conmon_path = [
+      "${pkgs.conmon}/bin/conmon"
+    ]
+
+
+    # Environment variables to pass into conmon
+    conmon_env_vars = [
+      # "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+    ]
+
+    # CGroup Manager - valid values are "systemd" and "cgroupfs"
+    cgroup_manager = "systemd"
+
+    # Container init binary
+    #init_path = "/usr/libexec/podman/catatonit"
+
+    # Directory for persistent libpod files (database, etc)
+    # By default, this will be configured relative to where containers/storage
+    # stores containers
+    # Uncomment to change location from this default
+    #static_dir = "/var/lib/containers/storage/libpod"
+
+    # Directory for temporary files. Must be tmpfs (wiped after reboot)
+    tmp_dir = "/var/run/libpod"
+
+    # Maximum size of log files (in bytes)
+    # -1 is unlimited
+    max_log_size = -1
+
+    # Whether to use chroot instead of pivot_root in the runtime
+    no_pivot_root = false
+
+    # Directory containing CNI plugin configuration files
+    cni_config_dir = "/etc/cni/net.d/"
+
+    # Directories where the CNI plugin binaries may be located
+    cni_plugin_dir = [
+      "${pkgs.cni-plugins}/bin"
+    ]
+
+
+    # Default CNI network for libpod.
+    # If multiple CNI network configs are present, libpod will use the network with
+    # the name given here for containers unless explicitly overridden.
+    # The default here is set to the name we set in the
+    # 87-podman-bridge.conflist included in the repository.
+    # Not setting this, or setting it to the empty string, will use normal CNI
+    # precedence rules for selecting between multiple networks.
+    cni_default_network = "podman"
+
+    # Default libpod namespace
+    # If libpod is joined to a namespace, it will see only containers and pods
+    # that were created in the same namespace, and will create new containers and
+    # pods in that namespace.
+    # The default namespace is "", which corresponds to no namespace. When no
+    # namespace is set, all containers and pods are visible.
+    #namespace = ""
+
+    # Default pause image name for pod pause containers
+    pause_image = "k8s.gcr.io/pause:3.1"
+
+    # Default command to run the pause container
+    pause_command = "/pause"
+
+    # Determines whether libpod will reserve ports on the host when they are
+    # forwarded to containers. When enabled, when ports are forwarded to containers,
+    # they are held open by conmon as long as the container is running, ensuring that
+    # they cannot be reused by other programs on the host. However, this can cause
+    # significant memory usage if a container has many ports forwarded to it.
+    # Disabling this can save memory.
+    #enable_port_reservation = true
+
+    # Default libpod support for container labeling
+    # label=true
+
+    # Paths to look for a valid OCI runtime (runc, runv, etc)
+    # FIXME: this doesn't seem to take effect
+    [runtimes]
+    runc = [
+      "${pkgs.runc}/bin/runc"
+    ]
+'';
+
+  environment.etc."subuid".text = ''
+    steveej:10000:65536
+  '';
+  environment.etc."subgid".text = ''
+    steveej:10000:65536
+  '';
+}

nix/overlay.nix

@@ -1,15 +1,26 @@
+self: super:
+
 let
   nixpkgs-master = import (builtins.fetchTarball {
     url = "https://github.com/NixOS/nixpkgs-channels/archive/de5fd9e6110489722e8667664dce9fdc17331866.tar.gz";
     sha256 = "0z1j2pmvn15m2ir2i9l2prr81cq7f1x8xs4cv2s7q4fslz586ghn";
   }) {};
+  # one application requires php5
+  nixpkgsWithPhp5 = super.fetchFromGitHub {
+    owner = "nixos";
+    repo = "nixpkgs-channels";
+    rev = "846d8f8305192dcc3a63139102698b4ac6b9ef9f";
+    sha256 = "1qifgc1q2i4g0ivpfjnxp4jl2cc82gfjws08dsllgw7q7kw4b4rb";
+  };
 
-in self: super: {
+in {
   podman = nixpkgs-master.podman;
+  conmon = nixpkgs-master.conmon;
 
   duplicacy = super.callPackage ./pkgs/duplicacy {};
   just = super.callPackage ./pkgs/just.nix {};
   mfcl3770cdw = super.callPackage ./pkgs/mfcl3770cdw.nix {};
+  slirp4netns = super.callPackage ./pkgs/slirp4netns.nix {};
   staruml = super.callPackage ./pkgs/staruml.nix { inherit (super.gnome2) GConf; libgcrypt = super.libgcrypt_1_5; };
 
   busyboxStatic =  super.busybox.override {
@@ -23,4 +34,18 @@ in self: super: {
   dropbearStatic = super.dropbear.override {
     enableStatic = true;
   };
+
+  php56 = (super.callPackages
+    "${nixpkgsWithPhp5}/pkgs/development/interpreters/php/default.nix" {})
+    .php56.overrideAttrs(drv: rec {
+      # See https://secure.php.net/ChangeLog-5.php
+      version = "5.6.40";
+      name = "php-${version}";
+
+      sha256 = "005s7w167dypl41wlrf51niryvwy1hfv53zxyyr3lm938v9jbl7z";
+      src = super.fetchurl {
+        url = "http://www.php.net/distributions/php-${version}.tar.bz2";
+        inherit sha256;
+      };
+    });
 }

nix/pkgs/slirp4netns.nix

@@ -0,0 +1,49 @@
+{ stdenv
+, fetchFromGitHub
+, autoconf
+, automake
+, libtool
+, gnumake
+, gcc
+}:
+
+stdenv.mkDerivation rec {
+  name = "slirp4netns-${version}";
+  version = "v0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "rootless-containers";
+    repo = "slirp4netns";
+    rev = "${version}";
+    sha256 = "0kqncza4kgqkqiki569j7ym9pvp7879i6q2z0djvda9y0i6b80w4";
+  };
+
+  buildInputs = [
+    autoconf
+    automake
+    libtool
+    gnumake
+    gcc
+  ];
+    
+  configurePhase = ''
+    ./autogen.sh
+    ./configure --prefix=""
+  '';
+
+  buildPhase = ''
+	make
+  '';
+
+  installPhase = ''
+    make DESTDIR="$out" install
+  '';
+
+  meta = with stdenv.lib; {
+    description = "User-mode networking for unprivileged network namespaces";
+    homepage = https://github.com/rootless-containers/slirp4netns;
+    license = null;
+    maintainers = [ maintainers.steveej ];
+    platforms = platforms.all;
+  };
+}