Only check enabled services. This allows running the backup test with a custom subset of other tests. Also, show a meaningful error on test failure. Previously, just an AssertionError without a message was shown. Because the test code is evaluated from a string and not a file, there was also no backtrace to the tests file.
367 lines
12 KiB
Python
367 lines
12 KiB
Python
from collections import OrderedDict
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import json
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def succeed(*cmds):
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"""Returns the concatenated output of all cmds"""
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return machine.succeed(*cmds)
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def assert_matches(cmd, regexp):
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out = succeed(cmd)
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if not re.search(regexp, out):
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raise Exception(f"Pattern '{regexp}' not found in '{out}'")
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def assert_full_match(cmd, regexp):
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out = succeed(cmd)
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if not re.fullmatch(regexp, out):
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raise Exception(f"Pattern '{regexp}' doesn't match '{out}'")
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def log_has_string(unit, str):
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return f"journalctl -b --output=cat -u {unit} --grep='{str}'"
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def assert_no_failure(unit):
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"""Unit should not have failed since the system is running"""
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machine.fail(log_has_string(unit, "Failed with result"))
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def assert_running(unit):
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with machine.nested(f"waiting for unit: {unit}"):
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machine.wait_for_unit(unit)
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assert_no_failure(unit)
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def wait_for_open_port(address, port):
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def is_port_open(_):
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status, _ = machine.execute(f"nc -z {address} {port}")
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return status == 0
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with log.nested(f"Waiting for TCP port {address}:{port}"):
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retry(is_port_open)
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### Test runner
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tests = OrderedDict()
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def test(name):
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def x(fn):
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tests[name] = fn
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return x
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def run_tests():
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enabled = enabled_tests.copy()
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to_run = []
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for test in tests:
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if test in enabled:
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enabled.remove(test)
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to_run.append(test)
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if enabled:
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raise RuntimeError(f"The following tests are enabled but not defined: {enabled}")
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machine.connect() # Visually separate boot output from the test output
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for test in to_run:
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with log.nested(f"test: {test}"):
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tests[test]()
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def run_test(test):
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tests[test]()
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### Tests
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# All tests are executed in the order they are defined here
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@test("security")
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def _():
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assert_running("setup-secrets")
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# Unused secrets should be inaccessible
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succeed('[[ $(stat -c "%U:%G %a" /secrets/dummy) = "root:root 440" ]]')
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if "secure-node" in enabled_tests:
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# Access to '/proc' should be restricted
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machine.succeed("grep -Fq hidepid=2 /proc/mounts")
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machine.wait_for_unit("bitcoind")
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# `systemctl status` run by unprivileged users shouldn't leak cgroup info
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assert_matches(
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"sudo -u electrs systemctl status bitcoind 2>&1 >/dev/null",
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"Failed to dump process list for 'bitcoind.service', ignoring: Access denied",
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)
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# The 'operator' with group 'proc' has full access
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assert_full_match("sudo -u operator systemctl status bitcoind 2>&1 >/dev/null", "")
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@test("bitcoind")
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def _():
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assert_running("bitcoind")
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machine.wait_until_succeeds("bitcoin-cli getnetworkinfo")
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assert_matches("su operator -c 'bitcoin-cli getnetworkinfo' | jq", '"version"')
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# RPC access for user 'public' should be restricted
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machine.fail(
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"bitcoin-cli -rpcuser=public -rpcpassword=$(cat /secrets/bitcoin-rpcpassword-public) stop"
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)
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machine.wait_until_succeeds(
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log_has_string("bitcoind", "RPC User public not allowed to call method stop")
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)
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@test("electrs")
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def _():
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assert_running("electrs")
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wait_for_open_port(ip("electrs"), 4224) # prometeus metrics provider
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# Check RPC connection to bitcoind
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machine.wait_until_succeeds(log_has_string("electrs", "NetworkInfo"))
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# Impure: Stops electrs
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# Stop electrs from spamming the test log with 'WARN - wait until IBD is over' messages
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@test("stop-electrs")
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def _():
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succeed("systemctl stop electrs")
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@test("liquidd")
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def _():
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assert_running("liquidd")
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machine.wait_until_succeeds("elements-cli getnetworkinfo")
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assert_matches("su operator -c 'elements-cli getnetworkinfo' | jq", '"version"')
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succeed("su operator -c 'liquidswap-cli --help'")
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@test("clightning")
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def _():
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assert_running("clightning")
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assert_matches("su operator -c 'lightning-cli getinfo' | jq", '"id"')
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if test_data["clightning-plugins"]:
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plugin_list = succeed("lightning-cli plugin list")
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plugins = json.loads(plugin_list)["plugins"]
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active = set(plugin["name"] for plugin in plugins if plugin["active"])
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failed = set(test_data["clightning-plugins"]).difference(active)
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if failed:
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raise Exception(
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f"The following clightning plugins are inactive:\n{failed}.\n\n"
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f"Output of 'lightning-cli plugin list':\n{plugin_list}"
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)
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else:
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log.log("Active clightning plugins:")
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for p in test_data["clightning-plugins"]:
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log.log(os.path.basename(p))
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@test("lnd")
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def _():
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assert_running("lnd")
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assert_matches("su operator -c 'lncli getinfo' | jq", '"version"')
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assert_no_failure("lnd")
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@test("lightning-loop")
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def _():
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assert_running("lightning-loop")
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assert_matches("su operator -c 'loop --version'", "version")
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# Check that lightning-loop fails with the right error, making sure
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# lightning-loop can connect to lnd
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machine.wait_until_succeeds(
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log_has_string(
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"lightning-loop",
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"Waiting for lnd to be fully synced to its chain backend, this might take a while",
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)
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)
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@test("btcpayserver")
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def _():
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assert_running("nbxplorer")
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machine.wait_until_succeeds(log_has_string("nbxplorer", "BTC: RPC connection successful"))
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wait_for_open_port(ip("nbxplorer"), 24444)
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assert_running("btcpayserver")
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machine.wait_until_succeeds(log_has_string("btcpayserver", "Listening on"))
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wait_for_open_port(ip("btcpayserver"), 23000)
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# test lnd custom macaroon
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assert_matches(
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"sudo -u btcpayserver curl -s --cacert /secrets/lnd-cert "
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'--header "Grpc-Metadata-macaroon: $(xxd -ps -u -c 1000 /run/lnd/btcpayserver.macaroon)" '
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f"-X GET https://{ip('lnd')}:8080/v1/getinfo | jq",
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'"version"',
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)
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@test("spark-wallet")
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def _():
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assert_running("spark-wallet")
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wait_for_open_port(ip("spark-wallet"), 9737)
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spark_auth = re.search("login=(.*)", succeed("cat /secrets/spark-wallet-login"))[1]
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assert_matches(f"curl -s {spark_auth}@{ip('spark-wallet')}:9737", "Spark")
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@test("joinmarket")
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def _():
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assert_running("joinmarket")
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machine.wait_until_succeeds(
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log_has_string("joinmarket", "JMDaemonServerProtocolFactory starting on 27183")
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)
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@test("joinmarket-yieldgenerator")
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def _():
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machine.wait_until_succeeds(
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log_has_string("joinmarket-yieldgenerator", "Critical error updating blockheight.",)
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)
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@test("joinmarket-ob-watcher")
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def _():
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assert_running("joinmarket-ob-watcher")
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machine.wait_until_succeeds(log_has_string("joinmarket-ob-watcher", "Starting ob-watcher"))
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@test("nodeinfo")
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def _():
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status, _ = machine.execute("systemctl is-enabled --quiet onion-addresses 2> /dev/null")
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if status == 0:
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machine.wait_for_unit("onion-addresses")
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json_info = succeed("sudo -u operator nodeinfo")
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info = json.loads(json_info)
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assert info["bitcoind"]["local_address"]
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@test("secure-node")
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def _():
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assert_running("onion-addresses")
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# Run this test before the following tests that shut down services
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# (and their corresponding network namespaces).
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@test("netns-isolation")
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def _():
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def get_ips(services):
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enabled = enabled_tests.intersection(services)
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return " ".join(ip(service) for service in enabled)
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def assert_reachable(src, dests):
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dest_ips = get_ips(dests)
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if src in enabled_tests and dest_ips:
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machine.succeed(f"ip netns exec nb-{src} fping -c1 -t100 {dest_ips}")
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def assert_unreachable(src, dests):
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dest_ips = get_ips(dests)
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if src in enabled_tests and dest_ips:
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machine.fail(
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# This fails when no host is reachable within 100 ms
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f"ip netns exec nb-{src} fping -c1 -t100 --reachable=1 {dest_ips}"
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)
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# These reachability tests are non-exhaustive
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assert_reachable("bitcoind", ["clightning", "lnd", "liquidd"])
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assert_unreachable("bitcoind", ["btcpayserver", "spark-wallet", "lightning-loop"])
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assert_unreachable("btcpayserver", ["bitcoind", "lightning-loop", "liquidd"])
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# netns addresses can not be bound to in the main netns.
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# This prevents processes in the main netns from impersonating nix-bitcoin services.
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assert_matches(
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f"nc -l {ip('bitcoind')} 1080 2>&1 || true", "nc: Cannot assign requested address"
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)
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if "joinmarket" in enabled_tests:
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# netns-exec should drop capabilities
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assert_full_match(
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"su operator -c 'netns-exec nb-joinmarket capsh --print | grep Current'", "Current: =\n"
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)
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if "clightning" in enabled_tests:
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# netns-exec should fail for unauthorized namespaces
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machine.fail("netns-exec nb-clightning ip a")
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# netns-exec should only be executable by the operator user
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machine.fail("sudo -u clightning netns-exec nb-bitcoind ip a")
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# Impure: stops bitcoind (and dependent services)
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@test("backups")
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def _():
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succeed("systemctl stop bitcoind")
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succeed("systemctl start duplicity")
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machine.wait_until_succeeds(log_has_string("duplicity", "duplicity.service: Succeeded."))
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run_duplicity = "export $(cat /secrets/backup-encryption-env); duplicity"
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# Files in backup and /var/lib should be identical
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assert_matches(
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f"{run_duplicity} verify --archive-dir /var/lib/duplicity file:///var/lib/localBackups /var/lib",
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"0 differences found",
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)
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# Backup should include important files
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files = {
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"bitcoind": "var/lib/bitcoind/wallet.dat",
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"clightning": "var/lib/clightning/bitcoin/hsm_secret",
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"lnd": "secrets/lnd-seed-mnemonic",
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"joinmarket": "secrets/jm-wallet-seed",
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"btcpayserver": "var/backup/postgresql/btcpaydb.sql.gz",
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}
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actual_files = succeed(f"{run_duplicity} list-current-files file:///var/lib/localBackups")
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for test, file in files.items():
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if test in enabled_tests and file not in actual_files:
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raise Exception(f"Backup file '{file}' is missing.")
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# Impure: restarts services
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@test("banlist-and-restart")
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def _():
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machine.wait_until_succeeds(log_has_string("bitcoind-import-banlist", "Importing node banlist"))
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assert_no_failure("bitcoind-import-banlist")
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# Current time in µs
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pre_restart = succeed("date +%s.%6N").rstrip()
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# Sanity-check system by restarting all services
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succeed("systemctl restart bitcoind clightning lnd lightning-loop spark-wallet liquidd")
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# Now that the bitcoind restart triggered a banlist import restart, check that
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# re-importing already banned addresses works
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machine.wait_until_succeeds(
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log_has_string(f"bitcoind-import-banlist --since=@{pre_restart}", "Importing node banlist")
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)
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assert_no_failure("bitcoind-import-banlist")
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@test("regtest")
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def _():
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if "electrs" in enabled_tests:
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machine.wait_until_succeeds(log_has_string("electrs", "BlockchainInfo"))
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get_block_height_cmd = (
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"""echo '{"method": "blockchain.headers.subscribe", "id": 0, "params": []}'"""
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f" | nc -N {ip('electrs')} 50001 | jq -M .result.height"
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)
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assert_full_match(get_block_height_cmd, "10\n")
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if "clightning" in enabled_tests:
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machine.wait_until_succeeds(
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"[[ $(sudo -u operator lightning-cli getinfo | jq -M .blockheight) == 10 ]]"
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)
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if "lnd" in enabled_tests:
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machine.wait_until_succeeds(
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"[[ $(sudo -u operator lncli getinfo | jq -M .block_height) == 10 ]]"
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)
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if "lightning-loop" in enabled_tests:
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machine.wait_until_succeeds(
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log_has_string("lightning-loop", "Starting event loop at height 10")
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)
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succeed("sudo -u operator loop getparams")
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if "netns-isolation" in enabled_tests:
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def ip(name):
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return test_data["netns"][name]["address"]
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else:
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def ip(_):
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return "127.0.0.1"
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