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Copy pathshutdown.rs
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477 lines (405 loc) · 10.5 KB
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#![cfg(all(feature = "shutdown-tests"))]
use assert_cmd::prelude::*;
use nix::{
sys::signal::{kill, Signal},
unistd::Pid,
};
use std::{
io::Write,
net::SocketAddr,
path::PathBuf,
process::{Child, Command},
thread::sleep,
time::{Duration, Instant},
};
use vector::test_util::{next_addr, temp_file};
mod support;
use crate::support::{create_directory, create_file, overwrite_file};
const STARTUP_TIME: Duration = Duration::from_secs(2);
const SHUTDOWN_TIME: Duration = Duration::from_secs(3);
const RELOAD_TIME: Duration = Duration::from_secs(5);
const STDIO_CONFIG: &'static str = r#"
data_dir = "${VECTOR_DATA_DIR}"
[sources.in_console]
type = "stdin"
[sinks.out_console]
inputs = ["in_console"]
type = "console"
encoding = "text"
"#;
const PROMETHEUS_SINK_CONFIG: &'static str = r#"
data_dir = "${VECTOR_DATA_DIR}"
[sources.in]
type = "stdin"
[transforms.log_to_metric]
type = "log_to_metric"
inputs = ["in"]
[[transforms.log_to_metric.metrics]]
type = "histogram"
field = "time"
[sinks.out]
type = "prometheus_exporter"
default_namespace = "service"
inputs = ["log_to_metric"]
address = "${VECTOR_TEST_ADDRESS}"
"#;
fn source_config(source: &str) -> String {
format!(
r#"
data_dir = "${{VECTOR_DATA_DIR}}"
[sources.in]
{}
[sinks.out]
inputs = ["in"]
type = "blackhole"
print_amount = 10000
"#,
source
)
}
fn source_vector(source: &str) -> Command {
vector(source_config(source).as_str())
}
fn vector(config: &str) -> Command {
vector_with(create_file(config), next_addr(), false)
}
fn vector_with(config_path: PathBuf, address: SocketAddr, quiet: bool) -> Command {
let mut cmd = Command::cargo_bin("vector").unwrap();
cmd.arg("-c")
.arg(config_path)
.arg(if quiet { "--quiet" } else { "-v" })
.env("VECTOR_DATA_DIR", create_directory())
.env("VECTOR_TEST_UNIX_PATH", temp_file())
.env("VECTOR_TEST_ADDRESS", format!("{}", address));
cmd
}
fn test_timely_shutdown(cmd: Command) {
test_timely_shutdown_with_sub(cmd, |_| ());
}
/// Returns stdout output
fn test_timely_shutdown_with_sub(mut cmd: Command, sub: impl FnOnce(&mut Child)) {
let mut vector = cmd
.stdin(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped())
.spawn()
.unwrap();
// Give vector time to start.
sleep(STARTUP_TIME);
// Check if vector is still running
assert_eq!(None, vector.try_wait().unwrap(), "Vector exited too early.");
// Run sub while this vector is running.
sub(&mut vector);
// Signal shutdown
kill(Pid::from_raw(vector.id() as i32), Signal::SIGTERM).unwrap();
// Time shutdown.
let now = Instant::now();
// Wait for shutdown
let output = vector.wait_with_output().unwrap();
// Check output
if !output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout).into_owned();
println!("{}", stdout);
panic!("Vector didn't exit successfully. Status: {}", output.status);
}
// Check if vector has shutdown in a reasonable time
assert!(
now.elapsed() < SHUTDOWN_TIME,
"Shutdown lasted for more than 3 seconds."
);
}
#[test]
fn auto_shutdown() {
let mut cmd = assert_cmd::Command::cargo_bin("vector").unwrap();
cmd.arg("--quiet")
.arg("-c")
.arg(create_file(STDIO_CONFIG))
.env("VECTOR_DATA_DIR", create_directory());
// Once `stdin source` reads whole buffer it will automatically
// shutdown which will also cause vector process to shutdown
// because all sources have shutdown.
let assert = cmd.write_stdin("42").assert();
assert.success().stdout("42\n");
}
#[test]
fn configuration_path_recomputed() {
// Directory with configuration files
let dir = create_directory();
// First configuration file
overwrite_file(
dir.join("conf1.toml"),
&source_config(
r#"
type = "generator"
batch_interval = 1.0 # optional, no default
lines = []"#,
),
);
// Vector command
let mut cmd = vector_with(dir.join("*"), next_addr(), true);
// Run vector
let mut vector = cmd
.stdin(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped())
.spawn()
.unwrap();
// Give vector time to start.
sleep(STARTUP_TIME);
// Second configuration file
overwrite_file(dir.join("conf2.toml"), STDIO_CONFIG);
// Clean the first file so to have only the console source.
overwrite_file(dir.join("conf1.toml"), &"");
// Signal reload
kill(Pid::from_raw(vector.id() as i32), Signal::SIGHUP).unwrap();
// Message to assert, sended to console source and picked up from
// console sink, both added in the second configuration file.
vector
.stdin
.as_mut()
.unwrap()
.write_all("42".as_bytes())
.unwrap();
// Wait for shutdown
// Test will hang here if the other config isn't picked up.
let output = vector.wait_with_output().unwrap();
assert!(output.status.success(), "Vector didn't exit successfully.");
// Output
assert_eq!(output.stdout.as_slice(), "42\n".as_bytes());
}
#[test]
fn timely_shutdown_stdin() {
test_timely_shutdown(source_vector(r#"type = "stdin""#));
}
#[test]
fn timely_shutdown_file() {
test_timely_shutdown(source_vector(
r#"
type = "file"
include = ["./*.log_dummy"]"#,
));
}
#[test]
fn timely_shutdown_generator() {
test_timely_shutdown(source_vector(
r#"
type = "generator"
batch_interval = 1.0 # optional, no default
lines = []"#,
));
}
#[test]
fn timely_shutdown_http() {
test_timely_shutdown(source_vector(
r#"
type = "http"
address = "${VECTOR_TEST_ADDRESS}""#,
));
}
#[test]
fn timely_shutdown_logplex() {
test_timely_shutdown(source_vector(
r#"
type = "logplex"
address = "${VECTOR_TEST_ADDRESS}""#,
));
}
#[test]
fn timely_shutdown_docker() {
test_timely_shutdown(source_vector(r#"type = "docker""#));
}
#[test]
fn timely_shutdown_journald() {
test_timely_shutdown(source_vector(
r#"
type = "journald"
include_units = []"#,
));
}
#[test]
fn timely_shutdown_prometheus() {
let address = next_addr();
test_timely_shutdown_with_sub(
vector_with(create_file(PROMETHEUS_SINK_CONFIG), address, false),
|_| {
test_timely_shutdown(vector_with(
create_file(
source_config(
r#"
type = "prometheus_scrape"
hosts = ["http://${VECTOR_TEST_ADDRESS}"]"#,
)
.as_str(),
),
address,
false,
));
},
);
}
#[test]
fn timely_shutdown_kafka() {
test_timely_shutdown(source_vector(
r#"
type = "kafka"
bootstrap_servers = "localhost:9092"
group_id = "consumer-group-name"
topics = ["topic-1"]"#,
));
}
#[test]
fn timely_shutdown_socket_tcp() {
test_timely_shutdown(source_vector(
r#"
type = "socket"
address = "${VECTOR_TEST_ADDRESS}"
mode = "tcp""#,
));
}
#[test]
fn timely_shutdown_socket_udp() {
test_timely_shutdown(source_vector(
r#"
type = "socket"
address = "${VECTOR_TEST_ADDRESS}"
mode = "udp""#,
));
}
#[test]
fn timely_shutdown_socket_unix() {
test_timely_shutdown(source_vector(
r#"
type = "socket"
path = "${VECTOR_TEST_UNIX_PATH}"
mode = "unix""#,
));
}
#[test]
fn timely_shutdown_splunk_hec() {
vector::test_util::trace_init();
test_timely_shutdown(source_vector(
r#"
type = "splunk_hec"
address = "${VECTOR_TEST_ADDRESS}""#,
));
}
#[test]
fn timely_shutdown_statsd() {
vector::test_util::trace_init();
test_timely_shutdown(source_vector(
r#"
type = "statsd"
mode = "tcp"
address = "${VECTOR_TEST_ADDRESS}""#,
));
}
#[test]
fn timely_shutdown_syslog_tcp() {
vector::test_util::trace_init();
test_timely_shutdown(source_vector(
r#"
type = "syslog"
address = "${VECTOR_TEST_ADDRESS}"
mode = "tcp""#,
));
}
#[test]
fn timely_shutdown_syslog_udp() {
test_timely_shutdown(source_vector(
r#"
type = "syslog"
address = "${VECTOR_TEST_ADDRESS}"
mode = "udp""#,
));
}
#[test]
fn timely_shutdown_syslog_unix() {
test_timely_shutdown(source_vector(
r#"
type = "syslog"
path = "${VECTOR_TEST_UNIX_PATH}"
mode = "unix""#,
));
}
#[test]
fn timely_shutdown_vector() {
test_timely_shutdown(source_vector(
r#"
type = "vector"
address = "${VECTOR_TEST_ADDRESS}""#,
));
}
#[test]
fn timely_shutdown_internal_metrics() {
test_timely_shutdown(source_vector(
r#"
type = "internal_metrics""#,
));
}
#[test]
fn timely_shutdown_lua_timer() {
test_timely_shutdown(vector(
r#"
[sources.source]
type = "stdin"
[transforms.transform]
type = "lua"
inputs = ["source"]
version = "2"
hooks.process = "process"
timers = [
{interval_seconds = 5, handler = "timer_handler"}
]
source = """
function process(event, emit)
emit(event)
end
function timer_handler(emit)
event = {
log = {
message = "Heartbeat",
}
}
return event
end
"""
[sinks.sink]
type = "console"
inputs = ["transform"]
encoding = "text"
target = "stdout"
"#,
));
}
#[test]
fn timely_reload_shutdown() {
let path = create_file(
source_config(
r#"
type = "socket"
address = "${VECTOR_TEST_ADDRESS}"
mode = "tcp""#,
)
.as_str(),
);
let mut cmd = vector_with(path.clone(), next_addr(), false);
cmd.arg("-w true");
test_timely_shutdown_with_sub(cmd, |vector| {
overwrite_file(
path,
source_config(
r#"
type = "socket"
address = "${VECTOR_TEST_ADDRESS}"
mode = "udp""#,
)
.as_str(),
);
// Give vector time to reload.
sleep(RELOAD_TIME);
// Check if vector is still running
assert_eq!(
None,
vector.try_wait().unwrap(),
"Vector exited too early on reload."
);
});
}