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import ./make-test-python.nix (
{
name = "zrepl";
nodes.host = {config, pkgs, ...}: {
config = {
# Prerequisites for ZFS and tests.
boot.supportedFilesystems = [ "zfs" ];
environment.systemPackages = [ pkgs.zrepl ];
networking.hostId = "deadbeef";
services.zrepl = {
enable = true;
settings = {
# Enable Prometheus output for status assertions.
global.monitoring = [{
type = "prometheus";
listen = ":9811";
}];
# Create a periodic snapshot job for an ephemeral zpool.
jobs = [{
name = "snap_test";
type = "snap";
filesystems."test" = true;
snapshotting = {
type = "periodic";
prefix = "zrepl_";
interval = "1s";
};
pruning.keep = [{
type = "last_n";
count = 8;
}];
}];
};
};
};
};
testScript = ''
start_all()
with subtest("Wait for zrepl and network ready"):
host.wait_for_unit("network-online.target")
host.wait_for_unit("zrepl.service")
with subtest("Create test zpool"):
# ZFS requires 64MiB minimum pool size.
host.succeed("fallocate -l 64MiB /root/zpool.img")
host.succeed("zpool create test /root/zpool.img")
with subtest("Check for completed zrepl snapshot"):
# zrepl periodic snapshot job creates a snapshot with this prefix.
host.wait_until_succeeds("zfs list -t snapshot | grep -q zrepl_")
with subtest("Verify HTTP monitoring server is configured"):
out = host.succeed("curl -f localhost:9811/metrics")
assert (
"zrepl_version_daemon" in out
), "zrepl version metric was not found in Prometheus output"
assert (
"zrepl_zfs_snapshot_duration_count{filesystem=\"test\"}" in out
), "zrepl snapshot counter for test was not found in Prometheus output"
'';
})
|