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Issue #10473 - Revert jetty.sh pgrep, and update started checks (#10501) 

* Revert pgrep usage in jetty.sh
* Adding test for jetty.conf
* Correcting renamed xml file
* Improved started check
+ Improved `started` function code
  - adding comment explaining steps
  - adding named parameters
+ Improved ARGS check for "jetty.state="
  option, to know when to check the
  state file.
* Make sure state.mod is before any deploy steps to ensure jetty-state file is created early.
* Early cleanup / creation of State file
* Improved `started` function
+ Don't attempt to read from State File
  if it doesn't exist
+ Don't attempt to read from PID File
  if it doesn't exist
+ DEBUG in state file logic
+ DEBUG in pid file logic
+ proper startsWith logic for state detection
* Better state debugging and pid kill

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
This commit is contained in:
Joakim Erdfelt 2023-09-26 14:48:33 -07:00 committed by GitHub
parent b5124fd7c9
commit cc8f976d0c
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 198 additions and 57 deletions
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116
jetty-home/src/main/resources/bin/jetty.sh
View File

@ -118,35 +118,92 @@ findDirectory()
done
}
# test if process specified in PID file is still running
running()
{
if [ -f "$1" ]
then
local PID=$(cat "$1" 2>/dev/null) || return 1
kill -0 "$PID" 2>/dev/null
return
local PIDFILE=$1
if [ -r "$PIDFILE" ] ; then
local PID=$(tail -1 "$PIDFILE")
if kill -0 "$PID" 2>/dev/null ; then
return 0
fi
fi
rm -f "$1"
return 1
}
# Test state file (after timeout) for started state
started()
{
# wait for 60s to see "STARTED" in PID file, needs jetty-started.xml as argument
for ((T = 0; T < $(($3 / 4)); T++))
local STATEFILE=$1
local PIDFILE=$2
local STARTTIMEOUT=$3
# wait till timeout to see "STARTED" in state file, needs --module=state as argument
for ((T = 0; T < $STARTTIMEOUT; T++))
do
sleep 4
[ -z "$(tail -1 $1 | grep STARTED 2>/dev/null)" ] || return 0
[ -z "$(tail -1 $1 | grep STOPPED 2>/dev/null)" ] || return 1
[ -z "$(tail -1 $1 | grep FAILED 2>/dev/null)" ] || return 1
local PID=$(cat "$2" 2>/dev/null) || return 1
kill -0 "$PID" 2>/dev/null || return 1
echo -n "."
sleep 1
if [ -r $STATEFILE ] ; then
STATENOW=$(tail -1 $STATEFILE)
(( DEBUG )) && echo "State (now): $STATENOW"
case "$STATENOW" in
STARTED*)
echo " started"
return 0;;
STOPPED*)
echo " stopped"
return 1;;
FAILED*)
echo " failed"
return 1;;
esac
else
(( DEBUG )) && echo "Unable to read State File: $STATEFILE"
fi
done
(( DEBUG )) && echo "Timeout $STARTTIMEOUT expired waiting for start state from $STATEFILE"
echo " timeout"
return 1;
}
pidKill()
{
local PIDFILE=$1
local TIMEOUT=$2
if [ -r $PIDFILE ] ; then
local PID=$(tail -1 "$PIDFILE")
if [ -z "$PID" ] ; then
echo "ERROR: no pid found in $PIDFILE"
return 1
fi
# Try default kill first
if kill -0 "$PID" 2>/dev/null ; then
(( DEBUG )) && echo "PID=$PID is running, sending kill"
kill "$PID" 2>/dev/null
else
rm -f $PIDFILE 2> /dev/null
return 0
fi
# Perform harsh kill next
while kill -0 "$PID" 2>/dev/null
do
if (( TIMEOUT-- == 0 )) ; then
(( DEBUG )) && echo "PID=$PID is running, sending kill signal=KILL (TIMEOUT=$TIMEOUT)"
kill -KILL "$PID" 2>/dev/null
fi
echo -n "."
sleep 1
done
echo "Killed $PID"
return 0
else
(( DEBUG )) && echo "Unable to read PID File: $PIDFILE"
return 1
fi
}
readConfig()
{
@ -436,10 +493,6 @@ esac
JETTY_DRY_RUN=$("$JAVA" -jar "$JETTY_START" --dry-run=opts,path,main,args ${JETTY_ARGS[*]} ${JAVA_OPTIONS[*]})
RUN_ARGS=($JETTY_SYS_PROPS ${JETTY_DRY_RUN[@]})
#####################################################
# Comment these out after you're happy with what
# the script is doing.
#####################################################
if (( DEBUG ))
then
dumpEnv
@ -497,22 +550,23 @@ case "$ACTION" in
su - "$JETTY_USER" $SU_SHELL -c "
cd \"$JETTY_BASE\"
echo ${RUN_ARGS[*]} start-log-file=\"$JETTY_START_LOG\" | xargs ${JAVA} > /dev/null &
disown $(pgrep -P $!)"
disown \$!"
else
# Startup if not switching users
echo ${RUN_ARGS[*]} | xargs ${JAVA} > /dev/null &
disown $(pgrep -P $!)
disown $!
fi
fi
if expr "${JETTY_ARGS[*]}" : '.*jetty-started.xml.*' >/dev/null
if expr "${JETTY_ARGS[*]}" : '.*jetty\.state=.*' >/dev/null
then
if started "$JETTY_STATE" "$JETTY_PID" "$JETTY_START_TIMEOUT"
then
echo "OK `date`"
else
echo "FAILED `date`"
pidKill $JETTY_PID 30
exit 1
fi
else
@ -537,26 +591,12 @@ case "$ACTION" in
done
else
# Stop from a non-service path
if [ ! -f "$JETTY_PID" ] ; then
if [ ! -r "$JETTY_PID" ] ; then
echo "ERROR: no pid found at $JETTY_PID"
exit 1
fi
PID=$(cat "$JETTY_PID" 2>/dev/null)
if [ -z "$PID" ] ; then
echo "ERROR: no pid id found in $JETTY_PID"
exit 1
fi
kill "$PID" 2>/dev/null
TIMEOUT=30
while running $JETTY_PID; do
if (( TIMEOUT-- == 0 )); then
kill -KILL "$PID" 2>/dev/null
fi
sleep 1
done
pidKill "$JETTY_PID" 30
fi
rm -f "$JETTY_PID"

3
jetty-server/src/main/config/modules/state.mod
View File

@ -9,6 +9,9 @@ start
[depends]
server
[before]
deploy
[xml]
etc/jetty-state.xml

53
jetty-server/src/main/java/org/eclipse/jetty/server/StateLifeCycleListener.java
View File

@ -13,6 +13,7 @@
package org.eclipse.jetty.server;
import java.io.IOException;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
@ -24,7 +25,7 @@ import org.slf4j.LoggerFactory;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.StandardOpenOption.APPEND;
import static java.nio.file.StandardOpenOption.CREATE;
import static java.nio.file.StandardOpenOption.CREATE_NEW;
import static java.nio.file.StandardOpenOption.WRITE;
/**
@ -35,55 +36,77 @@ public class StateLifeCycleListener implements LifeCycle.Listener
{
private static final Logger LOG = LoggerFactory.getLogger(StateLifeCycleListener.class);
private final Path _filename;
private final Path stateFile;
public StateLifeCycleListener(String filename)
public StateLifeCycleListener(String filename) throws IOException
{
_filename = Paths.get(filename).toAbsolutePath();
stateFile = Paths.get(filename).toAbsolutePath();
if (LOG.isDebugEnabled())
LOG.debug("State File: {}", _filename);
LOG.debug("State File: {}", stateFile);
// We use raw Files APIs here to allow important IOExceptions
// to fail the startup of Jetty, as these kinds of errors
// point to filesystem permission issues that must be resolved
// by the user before the state file can be used.
// Start with fresh file (for permission reasons)
Files.deleteIfExists(stateFile);
// Create file
Files.writeString(stateFile, "INIT " + this + "\n", UTF_8, WRITE, CREATE_NEW);
}
private void writeState(String action, LifeCycle lifecycle)
private void appendStateChange(String action, Object obj)
{
try (Writer out = Files.newBufferedWriter(_filename, UTF_8, WRITE, CREATE, APPEND))
try (Writer out = Files.newBufferedWriter(stateFile, UTF_8, WRITE, APPEND))
{
out.append(action).append(" ").append(lifecycle.toString()).append("\n");
String entry = String.format("%s %s\n", action, obj);
if (LOG.isDebugEnabled())
LOG.debug("appendEntry to {}: {}", stateFile, entry);
out.append(entry);
}
catch (Exception e)
catch (IOException e)
{
LOG.warn("Unable to write state", e);
// this can happen if the uid of the Jetty process changes after it has been started
// such as can happen with some setuid configurations
LOG.warn("Unable to append to state file: " + stateFile, e);
}
}
@Override
public void lifeCycleStarting(LifeCycle event)
{
writeState("STARTING", event);
appendStateChange("STARTING", event);
}
@Override
public void lifeCycleStarted(LifeCycle event)
{
writeState("STARTED", event);
appendStateChange("STARTED", event);
}
@Override
public void lifeCycleFailure(LifeCycle event, Throwable cause)
{
writeState("FAILED", event);
appendStateChange("FAILED", event);
}
@Override
public void lifeCycleStopping(LifeCycle event)
{
writeState("STOPPING", event);
appendStateChange("STOPPING", event);
}
@Override
public void lifeCycleStopped(LifeCycle event)
{
writeState("STOPPED", event);
appendStateChange("STOPPED", event);
}
@Override
public String toString()
{
return String.format("%s@%h", this.getClass().getSimpleName(), this);
}
}

77
tests/test-distribution/src/test/java/org/eclipse/jetty/tests/distribution/DistributionTests.java
View File

@ -16,6 +16,7 @@ package org.eclipse.jetty.tests.distribution;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
@ -24,6 +25,7 @@ import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.nio.file.StandardOpenOption;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Queue;
@ -49,6 +51,7 @@ import org.eclipse.jetty.unixsocket.client.HttpClientTransportOverUnixSockets;
import org.eclipse.jetty.unixsocket.server.UnixSocketConnector;
import org.eclipse.jetty.util.BlockingArrayQueue;
import org.eclipse.jetty.util.IO;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.StatusCode;
@ -72,6 +75,7 @@ import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.startsWith;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
@ -109,6 +113,78 @@ public class DistributionTests extends AbstractJettyHomeTest
}
}
@Test
public void testJettyConf() throws Exception
{
String jettyVersion = System.getProperty("jettyVersion");
JettyHomeTester distribution = JettyHomeTester.Builder.newInstance()
.jettyVersion(jettyVersion)
.mavenLocalRepository(System.getProperty("mavenRepoPath"))
.build();
try (JettyHomeTester.Run run1 = distribution.start("--add-modules=http"))
{
assertTrue(run1.awaitFor(10, TimeUnit.SECONDS));
assertEquals(0, run1.getExitValue());
Path pidfile = run1.getConfig().getJettyBase().resolve("jetty.pid");
Path statefile = run1.getConfig().getJettyBase().resolve("jetty.state");
int port = distribution.freePort();
List<String> args = new ArrayList<>();
args.add("jetty.http.port=" + port);
args.add("jetty.state=" + statefile);
args.add("jetty.pid=" + pidfile);
Path confFile = run1.getConfig().getJettyHome().resolve("etc/jetty.conf");
for (String line : Files.readAllLines(confFile, StandardCharsets.UTF_8))
{
if (line.startsWith("#") || StringUtil.isBlank(line))
continue; // skip
args.add(line);
}
try (JettyHomeTester.Run run2 = distribution.start(args))
{
assertTrue(run2.awaitConsoleLogsFor("Started Server@", 10, TimeUnit.SECONDS));
assertTrue(Files.isRegularFile(pidfile), "PID file should exist");
assertTrue(Files.isRegularFile(statefile), "State file should exist");
String state = tail(statefile);
assertThat("State file", state, startsWith("STARTED "));
startHttpClient();
ContentResponse response = client.GET("http://localhost:" + port);
assertEquals(HttpStatus.NOT_FOUND_404, response.getStatus());
}
await().atMost(Duration.ofSeconds(10)).until(() -> !Files.exists(pidfile));
await().atMost(Duration.ofSeconds(10)).until(() -> tail(statefile).startsWith("STOPPED "));
}
}
/**
* Get the last line of the file.
*
* @param file the file to read from
* @return the string representing the last line of the file, or null if not found
*/
private static String tail(Path file)
{
try
{
List<String> lines = Files.readAllLines(file, StandardCharsets.UTF_8);
if (lines.isEmpty())
return "";
return lines.get(lines.size() - 1);
}
catch (IOException e)
{
return "";
}
}
@ParameterizedTest
@ValueSource(booleans = {true, false})
public void testPidFile(boolean includeJettyPidConfig) throws Exception
@ -1270,7 +1346,6 @@ public class DistributionTests extends AbstractJettyHomeTest
assertThat(response.getStatus(), is(HttpStatus.OK_200));
content = response.getContentAsString();
assertThat(content, containsString("not authenticated"));
}
}
finally