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-rw-r--r--krebs/3modules/github/default.nix6
-rw-r--r--krebs/3modules/github/hosts-sync.nix86
-rw-r--r--krebs/3modules/github/known-hosts.nix66
3 files changed, 158 insertions, 0 deletions
diff --git a/krebs/3modules/github/default.nix b/krebs/3modules/github/default.nix
new file mode 100644
index 000000000..2df4ba717
--- /dev/null
+++ b/krebs/3modules/github/default.nix
@@ -0,0 +1,6 @@
+{
+ imports = [
+ ./hosts-sync.nix
+ ./known-hosts.nix
+ ];
+}
diff --git a/krebs/3modules/github/hosts-sync.nix b/krebs/3modules/github/hosts-sync.nix
new file mode 100644
index 000000000..71eed6c69
--- /dev/null
+++ b/krebs/3modules/github/hosts-sync.nix
@@ -0,0 +1,86 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+ cfg = config.krebs.github-hosts-sync;
+
+ out = {
+ options.krebs.github-hosts-sync = api;
+ config = lib.mkIf cfg.enable imp;
+ };
+
+ api = {
+ enable = mkEnableOption "krebs.github-hosts-sync";
+ dataDir = mkOption {
+ type = types.str; # TODO path (but not just into store)
+ default = "/var/lib/github-hosts-sync";
+ };
+ srcDir = mkOption {
+ type = types.str;
+ default = "${config.krebs.tinc.retiolum.confDir}/hosts";
+ defaultText = "\${config.krebs.tinc.retiolum.confDir}/hosts";
+ };
+ ssh-identity-file = mkOption {
+ type = types.suffixed-str [".ssh.id_ed25519" ".ssh.id_rsa"];
+ default = toString <secrets/github-hosts-sync.ssh.id_ed25519>;
+ defaultText = "‹secrets/github-hosts-sync.ssh.id_ed25519›";
+ };
+ url = mkOption {
+ type = types.str;
+ default = "git@github.com:krebs/hosts.git";
+ };
+ workTree = mkOption {
+ type = types.absolute-pathname;
+ default = "${cfg.dataDir}/cache";
+ };
+ };
+
+ imp = {
+ systemd.services.github-hosts-sync = {
+ after = [ "network.target" ];
+ wantedBy = [ "multi-user.target" ];
+ environment = {
+ GITHUB_HOST_SYNC_USER_MAIL = user.mail;
+ GITHUB_HOST_SYNC_USER_NAME = user.name;
+ GITHUB_HOST_SYNC_SRCDIR = cfg.srcDir;
+ GITHUB_HOST_SYNC_WORKTREE = cfg.workTree;
+ GITHUB_HOST_SYNC_URL = cfg.url;
+ };
+ serviceConfig = {
+ PermissionsStartOnly = "true";
+ SyslogIdentifier = "github-hosts-sync";
+ User = user.name;
+ Type = "oneshot";
+ RemainAfterExit = true;
+ ExecStartPre = pkgs.writeDash "github-hosts-sync-init" ''
+ set -euf
+ install -m 0711 -o ${user.name} -d ${cfg.dataDir}
+ install -m 0700 -o ${user.name} -d ${cfg.dataDir}/.ssh
+ install -m 0400 -o ${user.name} \
+ ${cfg.ssh-identity-file} \
+ ${cfg.dataDir}/.ssh/${fileExtension cfg.ssh-identity-file}
+ '';
+ ExecStart = "${pkgs.github-hosts-sync}/bin/github-hosts-sync";
+ };
+ };
+
+ users.users.${user.name} = {
+ inherit (user) uid;
+ group = user.name;
+ home = cfg.dataDir;
+ isSystemUser = true;
+ };
+ };
+
+ users.groups.${user.name} = {};
+
+ user = rec {
+ mail = "${name}@${config.krebs.build.host.name}";
+ name = "github-hosts-sync";
+ uid = genid_uint31 name;
+ };
+
+ # TODO move to lib?
+ fileExtension = s: last (splitString "." s);
+
+in out
diff --git a/krebs/3modules/github/known-hosts.nix b/krebs/3modules/github/known-hosts.nix
new file mode 100644
index 000000000..5de88762a
--- /dev/null
+++ b/krebs/3modules/github/known-hosts.nix
@@ -0,0 +1,66 @@
+{
+ services.openssh.knownHosts.github = {
+ hostNames = [
+ "github.com"
+ # List generated with (IPv6 addresses are currently ignored):
+ # curl -sS https://api.github.com/meta | jq -r .git[] | grep -v : | nix-shell -p cidr2glob --run cidr2glob | jq -R .
+ "192.30.252.*"
+ "192.30.253.*"
+ "192.30.254.*"
+ "192.30.255.*"
+ "185.199.108.*"
+ "185.199.109.*"
+ "185.199.110.*"
+ "185.199.111.*"
+ "140.82.112.*"
+ "140.82.113.*"
+ "140.82.114.*"
+ "140.82.115.*"
+ "140.82.116.*"
+ "140.82.117.*"
+ "140.82.118.*"
+ "140.82.119.*"
+ "140.82.120.*"
+ "140.82.121.*"
+ "140.82.122.*"
+ "140.82.123.*"
+ "140.82.124.*"
+ "140.82.125.*"
+ "140.82.126.*"
+ "140.82.127.*"
+ "143.55.64.*"
+ "143.55.65.*"
+ "143.55.66.*"
+ "143.55.67.*"
+ "143.55.68.*"
+ "143.55.69.*"
+ "143.55.70.*"
+ "143.55.71.*"
+ "143.55.72.*"
+ "143.55.73.*"
+ "143.55.74.*"
+ "143.55.75.*"
+ "143.55.76.*"
+ "143.55.77.*"
+ "143.55.78.*"
+ "143.55.79.*"
+ "20.201.28.151"
+ "20.205.243.166"
+ "102.133.202.242"
+ "20.248.137.48"
+ "20.207.73.82"
+ "20.27.177.113"
+ "20.200.245.247"
+ "20.233.54.53"
+ "20.201.28.152"
+ "20.205.243.160"
+ "102.133.202.246"
+ "20.248.137.50"
+ "20.207.73.83"
+ "20.27.177.118"
+ "20.200.245.248"
+ "20.233.54.52"
+ ];
+ publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==";
+ };
+}