diff options
Diffstat (limited to 'nixos/tests')
| -rw-r--r-- | nixos/tests/all-tests.nix | 2 | ||||
| -rw-r--r-- | nixos/tests/lxd-nftables.nix | 50 | ||||
| -rw-r--r-- | nixos/tests/lxd.nix | 135 | ||||
| -rw-r--r-- | nixos/tests/prometheus-exporters.nix | 78 |
4 files changed, 265 insertions, 0 deletions
diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix index 8e262d8eee7d..1bf091b361cb 100644 --- a/nixos/tests/all-tests.nix +++ b/nixos/tests/all-tests.nix @@ -178,6 +178,8 @@ in limesurvey = handleTest ./limesurvey.nix {}; login = handleTest ./login.nix {}; loki = handleTest ./loki.nix {}; + lxd = handleTest ./lxd.nix {}; + lxd-nftables = handleTest ./lxd-nftables.nix {}; #logstash = handleTest ./logstash.nix {}; lorri = handleTest ./lorri/default.nix {}; magnetico = handleTest ./magnetico.nix {}; diff --git a/nixos/tests/lxd-nftables.nix b/nixos/tests/lxd-nftables.nix new file mode 100644 index 000000000000..25517914db85 --- /dev/null +++ b/nixos/tests/lxd-nftables.nix @@ -0,0 +1,50 @@ +# This test makes sure that lxd stops implicitly depending on iptables when +# user enabled nftables. +# +# It has been extracted from `lxd.nix` for clarity, and because switching from +# iptables to nftables requires a full reboot, which is a bit hard inside NixOS +# tests. + +import ./make-test-python.nix ({ pkgs, ...} : { + name = "lxd-nftables"; + meta = with pkgs.stdenv.lib.maintainers; { + maintainers = [ patryk27 ]; + }; + + machine = { lib, ... }: { + virtualisation = { + lxd.enable = true; + }; + + networking = { + firewall.enable = false; + nftables.enable = true; + nftables.ruleset = '' + table inet filter { + chain incoming { + type filter hook input priority 0; + policy accept; + } + + chain forward { + type filter hook forward priority 0; + policy accept; + } + + chain output { + type filter hook output priority 0; + policy accept; + } + } + ''; + }; + }; + + testScript = '' + machine.wait_for_unit("network.target") + + with subtest("When nftables are enabled, lxd doesn't depend on iptables anymore"): + machine.succeed("lsmod | grep nf_tables") + machine.fail("lsmod | grep ip_tables") + ''; +}) diff --git a/nixos/tests/lxd.nix b/nixos/tests/lxd.nix new file mode 100644 index 000000000000..db2d44dff557 --- /dev/null +++ b/nixos/tests/lxd.nix @@ -0,0 +1,135 @@ +import ./make-test-python.nix ({ pkgs, ...} : + +let + # Since we don't have access to the internet during the tests, we have to + # pre-fetch lxd containers beforehand. + # + # I've chosen to import Alpine Linux, because its image is turbo-tiny and, + # generally, sufficient for our tests. + + alpine-meta = pkgs.fetchurl { + url = "https://uk.images.linuxcontainers.org/images/alpine/3.11/i386/default/20200608_13:00/lxd.tar.xz"; + sha256 = "1hkvaj3rr333zmx1759njy435lps33gl4ks8zfm7m4nqvipm26a0"; + }; + + alpine-rootfs = pkgs.fetchurl { + url = "https://uk.images.linuxcontainers.org/images/alpine/3.11/i386/default/20200608_13:00/rootfs.tar.xz"; + sha256 = "1v82zdra4j5xwsff09qlp7h5vbsg54s0j7rdg4rynichfid3r347"; + }; + + lxd-config = pkgs.writeText "config.yaml" '' + storage_pools: + - name: default + driver: dir + config: + source: /var/lxd-pool + + networks: + - name: lxdbr0 + type: bridge + config: + ipv4.address: auto + ipv6.address: none + + profiles: + - name: default + devices: + eth0: + name: eth0 + network: lxdbr0 + type: nic + root: + path: / + pool: default + type: disk + ''; + +in { + name = "lxd"; + meta = with pkgs.stdenv.lib.maintainers; { + maintainers = [ patryk27 ]; + }; + + machine = { lib, ... }: { + virtualisation = { + # Since we're testing `limits.cpu`, we've gotta have a known number of + # cores to lay on + cores = 2; + + # Ditto, for `limits.memory` + memorySize = 512; + + lxc.lxcfs.enable = true; + lxd.enable = true; + }; + }; + + testScript = '' + machine.wait_for_unit("sockets.target") + machine.wait_for_unit("lxd.service") + + # It takes additional second for lxd to settle + machine.sleep(1) + + # lxd expects the pool's directory to already exist + machine.succeed("mkdir /var/lxd-pool") + + machine.succeed( + "cat ${lxd-config} | lxd init --preseed" + ) + + machine.succeed( + "lxc image import ${alpine-meta} ${alpine-rootfs} --alias alpine" + ) + + with subtest("Containers can be launched and destroyed"): + machine.succeed("lxc launch alpine test") + machine.succeed("lxc exec test true") + machine.succeed("lxc delete -f test") + + with subtest("Containers are being mounted with lxcfs inside"): + machine.succeed("lxc launch alpine test") + + ## ---------- ## + ## limits.cpu ## + + machine.succeed("lxc config set test limits.cpu 1") + + # Since Alpine doesn't have `nproc` pre-installed, we've gotta resort + # to the primal methods + assert ( + "1" + == machine.succeed("lxc exec test grep -- -c ^processor /proc/cpuinfo").strip() + ) + + machine.succeed("lxc config set test limits.cpu 2") + + assert ( + "2" + == machine.succeed("lxc exec test grep -- -c ^processor /proc/cpuinfo").strip() + ) + + ## ------------- ## + ## limits.memory ## + + machine.succeed("lxc config set test limits.memory 64MB") + + assert ( + "MemTotal: 62500 kB" + == machine.succeed("lxc exec test grep -- MemTotal /proc/meminfo").strip() + ) + + machine.succeed("lxc config set test limits.memory 128MB") + + assert ( + "MemTotal: 125000 kB" + == machine.succeed("lxc exec test grep -- MemTotal /proc/meminfo").strip() + ) + + machine.succeed("lxc delete -f test") + + with subtest("Unless explicitly changed, lxd leans on iptables"): + machine.succeed("lsmod | grep ip_tables") + machine.fail("lsmod | grep nf_tables") + ''; +}) diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix index 4fc3668cfafb..4dbd64312224 100644 --- a/nixos/tests/prometheus-exporters.nix +++ b/nixos/tests/prometheus-exporters.nix @@ -56,6 +56,21 @@ let */ exporterTests = { + apcupsd = { + exporterConfig = { + enable = true; + }; + metricProvider = { + services.apcupsd.enable = true; + }; + exporterTest = '' + wait_for_unit("apcupsd.service") + wait_for_open_port(3551) + wait_for_unit("prometheus-apcupsd-exporter.service") + wait_for_open_port(9162) + succeed("curl -sSf http://localhost:9162/metrics | grep -q 'apcupsd_info'") + ''; + }; bind = { exporterConfig = { @@ -202,6 +217,69 @@ let ''; }; + keylight = { + # A hardware device is required to properly test this exporter, so just + # perform a couple of basic sanity checks that the exporter is running + # and requires a target, but cannot reach a specified target. + exporterConfig = { + enable = true; + }; + exporterTest = '' + wait_for_unit("prometheus-keylight-exporter.service") + wait_for_open_port(9288) + succeed( + "curl -sS --write-out '%{http_code}' -o /dev/null http://localhost:9288/metrics | grep -q '400'" + ) + succeed( + "curl -sS --write-out '%{http_code}' -o /dev/null http://localhost:9288/metrics?target=nosuchdevice | grep -q '500'" + ) + ''; + }; + + lnd = { + exporterConfig = { + enable = true; + lndTlsPath = "/var/lib/lnd/tls.cert"; + lndMacaroonDir = "/var/lib/lnd"; + }; + metricProvider = { + systemd.services.prometheus-lnd-exporter.serviceConfig.DynamicUser = false; + services.bitcoind.enable = true; + services.bitcoind.extraConfig = '' + rpcauth=bitcoinrpc:e8fe33f797e698ac258c16c8d7aadfbe$872bdb8f4d787367c26bcfd75e6c23c4f19d44a69f5d1ad329e5adf3f82710f7 + bitcoind.zmqpubrawblock=tcp://127.0.0.1:28332 + bitcoind.zmqpubrawtx=tcp://127.0.0.1:28333 + ''; + systemd.services.lnd = { + serviceConfig.ExecStart = '' + ${pkgs.lnd}/bin/lnd \ + --datadir=/var/lib/lnd \ + --tlscertpath=/var/lib/lnd/tls.cert \ + --tlskeypath=/var/lib/lnd/tls.key \ + --logdir=/var/log/lnd \ + --bitcoin.active \ + --bitcoin.mainnet \ + --bitcoin.node=bitcoind \ + --bitcoind.rpcuser=bitcoinrpc \ + --bitcoind.rpcpass=hunter2 \ + --bitcoind.zmqpubrawblock=tcp://127.0.0.1:28332 \ + --bitcoind.zmqpubrawtx=tcp://127.0.0.1:28333 \ + --readonlymacaroonpath=/var/lib/lnd/readonly.macaroon + ''; + serviceConfig.StateDirectory = "lnd"; + wantedBy = [ "multi-user.target" ]; + after = [ "network.target" ]; + }; + }; + exporterTest = '' + wait_for_unit("lnd.service") + wait_for_open_port(10009) + wait_for_unit("prometheus-lnd-exporter.service") + wait_for_open_port(9092) + succeed("curl -sSf localhost:9092/metrics | grep -q '^promhttp_metric_handler'") + ''; + }; + mail = { exporterConfig = { enable = true; |