org.apache.brooklyn.entity.php.httpd.PhpHttpdServerImpl Maven / Gradle / Ivy
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/*
* Copyright 2015 SeaClouds
* Contact: [email protected]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.brooklyn.entity.php.httpd;
import com.google.common.base.Function;
import com.google.common.base.Functions;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.sensor.Enricher;
import org.apache.brooklyn.core.entity.Attributes;
import org.apache.brooklyn.entity.php.PhpWebAppSoftwareProcessImpl;
import org.apache.brooklyn.feed.function.FunctionFeed;
import org.apache.brooklyn.feed.function.FunctionPollConfig;
import org.apache.brooklyn.feed.http.HttpFeed;
import org.apache.brooklyn.feed.http.HttpPollConfig;
import org.apache.brooklyn.feed.http.HttpValueFunctions;
import org.apache.brooklyn.util.guava.Functionals;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nullable;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
public class PhpHttpdServerImpl extends PhpWebAppSoftwareProcessImpl implements PhpHttpdServer {
public static final Logger log = LoggerFactory.getLogger(PhpHttpdServerImpl.class);
private volatile FunctionFeed functionFeed;
private volatile HttpFeed httpFeed;
private Enricher serviceUpEnricher;
public PhpHttpdServerImpl() {
super();
}
public PhpHttpdServerImpl(Map flags) {
this(flags, null);
}
public PhpHttpdServerImpl(Map flags, Entity parent) {
super(flags, parent);
}
@Override
public Class getDriverInterface() {
return PhpHttpdDriver.class;
}
@Override
public PhpHttpdDriver getDriver() {
return (PhpHttpdDriver) super.getDriver();
}
public String getDefaultGroup() {
return getConfig(DEFAULT_GROUP);
}
public void setAppUser(String appName) {
setConfig(APP_NAME, appName);
}
public String getInstallDir() {
return getConfig(PhpHttpdServer.CONFIG_DIR);
}
public String getConfigurationDir() {
return getConfig(CONFIGURATION_DIR);
}
public String getSiteConfigurationFile() {
return getConfig(SITE_CONFIGURATION_FILE);
}
public void setSiteConfigurationFile(String siteConfigurationFile) {
config().set(SITE_CONFIGURATION_FILE, siteConfigurationFile);
}
public String getDeployRunDir() {
return getConfig(DEPLOY_RUN_DIR);
}
public String getSitesAvailableFolder() {
return getConfig(SITES_AVAILABLE);
}
public String getConfigTemplate() {
return getConfig(CONFIG_FILE_TEMPLATE);
}
public String getConfigurationFile() {
return getConfig(CONFIG_FILE);
}
public Map getPhpEnvVariables(){
return getConfig(PhpHttpdServer.PHP_ENV_VARIABLES);
}
public Map getDbConnectionConfigParams() {
return getConfig(PHP_CONFIG_PARAMS);
}
public String getPhpVersion() {
return getConfig(SUGGESTED_PHP_VERSION);
}
@Override
public int getHttpPort() {
return getAttribute(PhpHttpdServer.HTTP_PORT);
}
private Function parseApacheStatus(final String key) {
return new Function() {
@Nullable
@Override
public String apply(@Nullable String s) {
String result = null;
if ((s != null) && (key != null) && (s.contains(key))) {
int i = s.indexOf(key) + key.length() + 1;
int j = s.indexOf("\n", i);
result = s.substring(i, j).trim();
}
return result;
}
};
}
private Function cast(final Class expected) {
return new Function() {
@Nullable
@Override
public T apply(@Nullable String s) {
if (s == null) {
return (T) null;
} else if (expected == long.class || expected == Long.class) {
return (T) (Long) Long.parseLong(s);
} else if (expected == int.class || expected == Integer.class) {
return (T) (Integer) Integer.parseInt(s);
} else if (expected == double.class || expected == Double.class) {
return (T) (Double) Double.parseDouble(s);
} else {
return (T) (String) s;
}
}
};
}
@Override
protected void connectSensors() {
super.connectSensors();
functionFeed = FunctionFeed.builder()
.entity(this)
.poll(new FunctionPollConfig(SERVICE_UP)
.period(500, TimeUnit.MILLISECONDS)
.callable(new Callable() {
public Boolean call() throws Exception {
return getDriver().isRunning();
}
})
.onException(Functions.constant(Boolean.FALSE)))
.build();
String monitorUri = String.format("http://%s:%s/%s",
getAttribute(Attributes.HOSTNAME), getHttpPort(), getConfig(SERVER_STATUS_URL));
httpFeed = HttpFeed.builder()
.entity(this)
.period(200)
.baseUri(monitorUri)
.poll(new HttpPollConfig(SERVER_STATUS_IS_UP)
.onSuccess(HttpValueFunctions.responseCodeEquals(200))
.onFailureOrException(Functions.constant(false)))
.poll(new HttpPollConfig(REQUEST_COUNT).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("Total Accesses"), cast(Integer.class))) )
.poll(new HttpPollConfig(TOTAL_KBYTE).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("Total kBytes"), cast(Long.class))))
.poll(new HttpPollConfig(CPU_LOAD).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("CPULoad"), cast(Double.class))))
.poll(new HttpPollConfig(TOTAL_PROCESSING_TIME).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("Uptime"), cast(Integer.class))))
.poll(new HttpPollConfig(REQUEST_PER_SEC).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("ReqPerSec"), cast(Double.class))))
.poll(new HttpPollConfig(BYTES_PER_SEC).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("BytesPerSec"), cast(Double.class))))
.poll(new HttpPollConfig(BYTES_PER_REQ).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("BytesPerReq"), cast(Double.class))))
.poll(new HttpPollConfig(BUSY_WORKERS).onSuccess(
Functionals.chain(HttpValueFunctions.stringContentsFunction(),
parseApacheStatus("BusyWorkers"), cast(Integer.class))))
.build();
}
@Override
public String getShortName() {
return "ApacheWebServerHttpd";
}
}