2020-04-20 08:37:53 +00:00
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{ config, lib, pkgs, ... }:
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let
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cfg = config.virtualisation.podman;
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inherit (lib) mkOption types;
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# Provides a fake "docker" binary mapping to podman
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dockerCompat = pkgs.runCommandNoCC "${pkgs.podman.pname}-docker-compat-${pkgs.podman.version}" {
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outputs = [ "out" "bin" "man" ];
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inherit (pkgs.podman) meta;
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} ''
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mkdir $out
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mkdir -p $bin/bin
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ln -s ${pkgs.podman.bin}/bin/podman $bin/bin/docker
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mkdir -p $man/share/man/man1
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for f in ${pkgs.podman.man}/share/man/man1/*; do
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basename=$(basename $f | sed s/podman/docker/g)
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ln -s $f $man/share/man/man1/$basename
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done
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'';
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# Copy configuration files to avoid having the entire sources in the system closure
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copyFile = filePath: pkgs.runCommandNoCC (builtins.unsafeDiscardStringContext (builtins.baseNameOf filePath)) {} ''
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cp ${filePath} $out
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'';
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2020-04-21 09:22:20 +00:00
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2020-04-20 08:37:53 +00:00
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in
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{
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2020-04-20 11:35:36 +00:00
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meta = {
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maintainers = lib.teams.podman.members;
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};
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2020-04-20 08:37:53 +00:00
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options.virtualisation.podman = {
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enable =
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mkOption {
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type = types.bool;
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default = false;
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description = ''
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This option enables Podman, a daemonless container engine for
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developing, managing, and running OCI Containers on your Linux System.
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It is a drop-in replacement for the <command>docker</command> command.
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'';
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};
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dockerCompat = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Create an alias mapping <command>docker</command> to <command>podman</command>.
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'';
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};
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2020-04-24 05:28:06 +00:00
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libpod = mkOption {
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default = {};
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description = "Libpod configuration";
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type = types.submodule {
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options = {
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration that should be put in the libpod.conf
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configuration file
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'';
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};
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};
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};
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};
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2020-04-20 08:37:53 +00:00
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};
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config = lib.mkIf cfg.enable {
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2020-04-28 20:23:03 +00:00
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environment.systemPackages = [ pkgs.podman ]
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++ lib.optional cfg.dockerCompat dockerCompat;
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2020-04-20 08:37:53 +00:00
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2020-04-24 05:28:06 +00:00
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environment.etc."containers/libpod.conf".text = ''
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cni_plugin_dir = ["${pkgs.cni-plugins}/bin/"]
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cni_config_dir = "/etc/cni/net.d/"
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'' + cfg.libpod.extraConfig;
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2020-04-28 20:23:03 +00:00
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environment.etc."cni/net.d/87-podman-bridge.conflist".source = copyFile "${pkgs.podman-unwrapped.src}/cni/87-podman-bridge.conflist";
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2020-04-20 08:37:53 +00:00
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2020-04-24 05:28:06 +00:00
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# Enable common /etc/containers configuration
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2020-04-21 09:22:20 +00:00
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virtualisation.containers.enable = true;
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2020-04-20 08:37:53 +00:00
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};
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}
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