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-rw-r--r--modules/by-name/ba/back/module.nix163
-rw-r--r--tests/by-name/ba/back/test.nix136
2 files changed, 177 insertions, 122 deletions
diff --git a/modules/by-name/ba/back/module.nix b/modules/by-name/ba/back/module.nix
index 520acdb..d47ffce 100644
--- a/modules/by-name/ba/back/module.nix
+++ b/modules/by-name/ba/back/module.nix
@@ -6,116 +6,87 @@
...
}: let
cfg = config.vhack.back;
+in {
+ options.vhack.back = {
+ enable = lib.mkEnableOption "Back issue tracker (inspired by tvix's panettone)";
- mkConfigFile = repoPath: domain:
- (pkgs.formats.json {}).generate "config.json"
- {
- inherit (cfg) source_code_repository_url;
- repository_path = repoPath;
- root_url = "https://${domain}";
- };
-
- mkUnit = repoPath: port: domain: {
- description = "Back service for ${repoPath}";
- wants = ["network-online.target"];
- after = ["network-online.target"];
- wantedBy = ["default.target"];
-
- environment = {
- ROCKET_PORT = builtins.toString port;
+ domain = lib.mkOption {
+ type = lib.types.str;
+ description = "The domain to host this `back` instance on.";
};
- serviceConfig = {
- ExecStart = "${lib.getExe vhackPackages.back} ${mkConfigFile repoPath domain}";
+ settings = {
+ scan_path = lib.mkOption {
+ type = lib.types.path;
+ description = "The path to the directory under which all the repositories reside";
+ };
+ project_list = lib.mkOption {
+ type = lib.types.path;
+ description = "The path to the `projects.list` file.";
+ };
- # Ensure that the service can read the repository
- # FIXME(@bpeetz): This has the implied assumption, that all the exposed git
- # repositories are readable for the git group. This should not be necessary. <2024-12-23>
- User = "git";
- Group = "git";
+ source_code_repository_url = lib.mkOption {
+ description = "The url to the source code of this instance of back";
+ default = "https://git.foss-syndicate.org/vhack.eu/nixos-server/tree/pkgs/by-name/ba/back";
+ type = lib.types.str;
+ };
- DynamicUser = true;
- Restart = "always";
-
- # Sandboxing
- ProtectSystem = "strict";
- ProtectHome = true;
- PrivateTmp = true;
- PrivateDevices = true;
- ProtectHostname = true;
- ProtectClock = true;
- ProtectKernelTunables = true;
- ProtectKernelModules = true;
- ProtectKernelLogs = true;
- ProtectControlGroups = true;
- RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
- RestrictNamespaces = true;
- LockPersonality = true;
- MemoryDenyWriteExecute = true;
- RestrictRealtime = true;
- RestrictSUIDSGID = true;
- RemoveIPC = true;
- PrivateMounts = true;
- # System Call Filtering
- SystemCallArchitectures = "native";
- SystemCallFilter = ["~@cpu-emulation @debug @keyring @mount @obsolete @privileged @setuid"];
+ root_url = lib.mkOption {
+ type = lib.types.str;
+ description = "The url to this instance of back.";
+ default = "https://${cfg.domain}";
+ };
};
};
- mkVirtalHost = port: {
- locations."/".proxyPass = "http://127.0.0.1:${builtins.toString port}";
+ config = lib.mkIf cfg.enable {
+ systemd.services."back" = {
+ description = "Back issue tracking system.";
+ requires = ["network-online.target"];
+ after = ["network-online.target"];
+ wantedBy = ["default.target"];
- enableACME = true;
- forceSSL = true;
- };
+ serviceConfig = {
+ ExecStart = "${lib.getExe vhackPackages.back} ${(pkgs.formats.json {}).generate "config.json" cfg.settings}";
- services =
- lib.mapAttrs' (gitPath: config: {
- name = builtins.replaceStrings ["/"] ["_"] "back-${config.domain}";
- value = mkUnit gitPath config.port config.domain;
- })
- cfg.repositories;
+ # Ensure that the service can read the repository
+ # FIXME(@bpeetz): This has the implied assumption, that all the exposed git
+ # repositories are readable for the git group. This should not be necessary. <2024-12-23>
+ User = "git";
+ Group = "git";
- virtualHosts =
- lib.mapAttrs' (gitPath: config: {
- name = config.domain;
- value = mkVirtalHost config.port;
- })
- cfg.repositories;
-in {
- options.vhack.back = {
- enable = lib.mkEnableOption "Back issue tracker (inspired by tvix's panettone)";
+ DynamicUser = true;
+ Restart = "always";
- source_code_repository_url = lib.mkOption {
- description = "The url to the source code of this instance of back";
- default = "https://git.foss-syndicate.org/vhack.eu/nixos-server/tree/pkgs/by-name/ba/back";
- type = lib.types.str;
+ # Sandboxing
+ ProtectSystem = "strict";
+ ProtectHome = true;
+ PrivateTmp = true;
+ PrivateDevices = true;
+ ProtectHostname = true;
+ ProtectClock = true;
+ ProtectKernelTunables = true;
+ ProtectKernelModules = true;
+ ProtectKernelLogs = true;
+ ProtectControlGroups = true;
+ RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
+ RestrictNamespaces = true;
+ LockPersonality = true;
+ MemoryDenyWriteExecute = true;
+ RestrictRealtime = true;
+ RestrictSUIDSGID = true;
+ RemoveIPC = true;
+ PrivateMounts = true;
+ # System Call Filtering
+ SystemCallArchitectures = "native";
+ SystemCallFilter = ["~@cpu-emulation @debug @keyring @mount @obsolete @privileged @setuid"];
+ };
};
+ services.nginx.virtualHosts."${cfg.domain}" = {
+ locations."/".proxyPass = "http://127.0.0.1:8000";
- repositories = lib.mkOption {
- description = "An attibute set of repos to launch `back` services for.";
- type = lib.types.attrsOf (lib.types.submodule {
- options = {
- enable = (lib.mkEnableOption "`back` for this repository.") // {default = true;};
- domain = lib.mkOption {
- type = lib.types.str;
- description = "The domain to host this `back` instance on.";
- };
- port = lib.mkOption {
- type = lib.types.port;
-
- # TODO: This _should_ be an implementation detail, but I've no real approach to
- # automatically generate them without encountering weird bugs. <2024-12-23>
- description = "The port to use for this back instance. This must be unique.";
- };
- };
- });
- default = {};
+ enableACME = true;
+ forceSSL = true;
};
};
-
- config = lib.mkIf cfg.enable {
- systemd = {inherit services;};
- services.nginx = {inherit virtualHosts;};
- };
}
diff --git a/tests/by-name/ba/back/test.nix b/tests/by-name/ba/back/test.nix
index 63f2837..85cb611 100644
--- a/tests/by-name/ba/back/test.nix
+++ b/tests/by-name/ba/back/test.nix
@@ -8,9 +8,19 @@
nixLib,
...
}: let
- gitRepoPath = "/srv/test/repo";
-
domain = "server";
+
+ sshKeys =
+ import ../../gi/git-server/ssh_keys.nix {inherit pkgs;};
+
+ gitoliteAdminConfSnippet = pkgs.writeText "gitolite-admin-conf-snippet" ''
+ repo CREATOR/[a-zA-Z0-9].*
+ C = @all
+ RW+ = CREATOR
+ RW = WRITERS
+ R = READERS
+ option user-configs = cgit\.owner cgit\.desc cgit\.section cgit\.homepage
+ '';
in
nixos-lib.runTest {
hostPkgs = pkgs; # the Nixpkgs package set used outside the VMs
@@ -26,7 +36,7 @@ in
nodes = {
server = {config, ...}: {
- environment.systemPackages = [pkgs.git pkgs.git-bug pkgs.gawk];
+ environment.systemPackages = [pkgs.git];
imports =
extraModules
@@ -35,28 +45,46 @@ in
];
vhack = {
+ persist.enable = true;
+ openssh.enable = true;
nginx = {
enable = true;
selfsign = true;
};
git-server = {
enable = true;
+ domain = "git.${domain}";
+ gitolite.adminPubkey = sshKeys.admin.pub;
};
back = {
enable = true;
- repositories = {
- "${gitRepoPath}" = {
- enable = true;
- domain = "${domain}";
- port = 9220;
- };
+ domain = "issues.${domain}";
+
+ settings = {
+ scan_path = "${config.services.gitolite.dataDir}/repositories";
+ project_list = "${config.services.gitolite.dataDir}/projects.list";
};
};
};
};
- client = {...}: {
- environment.systemPackages = [pkgs.curl];
+ client = {nodes, ...}: {
+ environment.systemPackages = [pkgs.git pkgs.curl pkgs.git-bug pkgs.gawk];
+ programs.ssh.extraConfig = ''
+ Host *
+ UserKnownHostsFile /dev/null
+ StrictHostKeyChecking no
+ # there's nobody around that can input password
+ PreferredAuthentications publickey
+ '';
+ users.users.alice = {isNormalUser = true;};
+ networking.hosts = {
+ "${nodes.server.networking.primaryIPAddress}" = [
+ "git.${domain}"
+ "issues.${domain}"
+ "${domain}"
+ ];
+ };
};
};
@@ -67,16 +95,64 @@ in
''
start_all()
- with subtest("can setup git-bug issues on server"):
- server.succeed("${pkgs.writeShellScript "setup-git-repo" ''
- set -ex
+ with subtest("can setup ssh keys on client"):
+ client.succeed(
+ "mkdir -p ~root/.ssh",
+ "cp ${sshKeys.admin.priv} ~root/.ssh/id_ed25519",
+ "chmod 600 ~root/.ssh/id_ed25519",
+ )
+ client.succeed(
+ "sudo -u alice mkdir -p ~alice/.ssh",
+ "sudo -u alice cp ${sshKeys.alice.priv} ~alice/.ssh/id_ed25519",
+ "sudo -u alice chmod 600 ~alice/.ssh/id_ed25519",
+ )
- mkdir --parents "${gitRepoPath}"
- cd "${gitRepoPath}"
+ with subtest("gitolite server starts"):
+ server.wait_for_unit("gitolite-init.service")
+ server.wait_for_unit("sshd.service")
+ client.succeed("ssh -n git@git.${domain} info")
- git init
- git bug user create --avatar "" --email "test@email.org" --name "test user" --non-interactive
+ with subtest("admin can clone and configure gitolite-admin.git"):
+ client.succeed("${pkgs.writeShellScript "setup-gitolite-admin.git" ''
+ set -xe
+
+ git clone git@git.${domain}:gitolite-admin.git
+ git config --global user.name 'System Administrator'
+ git config --global user.email root\@domain.example
+
+ cp ${sshKeys.alice.pub} gitolite-admin/keydir/alice.pub
+
+ (cd gitolite-admin && git switch -c master && git branch -D main)
+
+ (cd gitolite-admin && git add . && git commit -m 'Add keys for alice' && git push -u origin master)
+ cat ${gitoliteAdminConfSnippet} >> gitolite-admin/conf/gitolite.conf
+ (cd gitolite-admin && git add . && git commit -m 'Add support for wild repos' && git push)
+ (cd gitolite-admin && git push -d origin main)
+ ''}")
+
+ with subtest("alice can create a repo"):
+ client.succeed("sudo -u alice ${pkgs.writeShellScript "alice-create-repo" ''
+ set -xe
+
+ mkdir --parents ./alice/repo1 && cd alice/repo1;
+
+ git init --initial-branch main
+ echo "# Alice's Repo" > README.md
+ git add README.md
+ git -c user.name=Alice -c user.email=alice@domain.example commit -m 'Add readme'
+
+ git remote add origin git@git.${domain}:alice/repo1.git
+ git push --set-upstream origin main
+ ''}")
+
+ with subtest("can setup git-bug issues in alice/repo1"):
+ client.succeed("sudo -u alice ${pkgs.writeShellScript "setup-git-repo" ''
+ set -ex
+
+ cd alice/repo1
+
+ git bug user create --avatar "" --email "alice@server.org" --name "alice" --non-interactive
git bug add \
--title "Some bug title" \
@@ -98,24 +174,32 @@ in
git bug comment add --message "Some comment message" --non-interactive
git bug comment add --message "Second comment message" --non-interactive
- # NOTE(@bpeetz): Currently, the `back` module assumes that the git user can write
- # to the repository, as such we need to provide write access here <2024-12-24>
- chown --recursive git:git "${gitRepoPath}"
+ # TODO: This should use `git bug push`, but their ssh implementation is just
+ # too special to work in a VM test <2025-03-08>
+ git push origin +refs/bugs/*
+ git push origin +refs/identities/*
+
+ ssh git@${domain} -- config alice/repo1 --add cgit.owner Alice
+ ssh git@${domain} -- perms alice/repo1 + READERS @all
''}")
with subtest("back server starts"):
- server.wait_for_unit("${builtins.replaceStrings ["/"] ["_"] "back-${domain}.service"}")
+ server.wait_for_unit("back.service")
with subtest("client can access the server"):
client.succeed("${pkgs.writeShellScript "curl-back" ''
set -xe
- curl --insecure --silent --fail --show-error "https://${domain}/issues/open" --output /root/issues.html
-
- grep -- '- 2 comments' /root/issues.html
+ curl --insecure --fail --show-error "https://issues.${domain}/alice/repo1.git/issues/open" --output /root/issues.html
grep -- 'Second bug title' /root/issues.html
- ''}")
+
+ curl --insecure --fail --show-error "https://issues.${domain}/" --output /root/repos.html
+ grep -- 'repo' /root/repos.html
+ grep -- "&#60;No description&#62;" /root/repos.html
+ grep -- '<span class="user-name">Alice</span>' /root/repos.html
+ ''} >&2")
client.copy_from_vm("/root/issues.html", "");
+ client.copy_from_vm("/root/repos.html", "");
'';
}