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/*
* The MIT License
*
* Copyright 2019 Intuit Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.intuit.karate.driver;
import com.intuit.karate.FileUtils;
import com.intuit.karate.KarateException;
import com.intuit.karate.StringUtils;
import com.intuit.karate.core.ScenarioRuntime;
import com.intuit.karate.shell.Command;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
/**
*
* @author pthomas3
*/
public class DockerTarget implements Target {
private final String imageId;
private String containerId;
private Function command;
private final Map options;
private boolean pull = false;
private boolean karateChrome = false;
static final Logger logger = LoggerFactory.getLogger(DockerTarget.class);
public DockerTarget(String dockerImage) {
this(Collections.singletonMap("docker", dockerImage));
}
public DockerTarget(Map options) {
this.options = options;
if (options != null) {
imageId = (String) options.get("docker");
Integer vncPort = (Integer) options.get("vncPort");
String secComp = (String) options.get("secComp");
Boolean temp = (Boolean) options.get("pull");
pull = temp == null ? false : temp;
StringBuilder sb = new StringBuilder();
sb.append("docker run -d -e KARATE_SOCAT_START=true");
if (secComp == null) {
sb.append(" --cap-add=SYS_ADMIN");
} else {
sb.append(" --security-opt seccomp=").append(secComp);
}
if (vncPort != null) {
sb.append(" -p ").append(vncPort).append(":5900");
}
if (imageId != null) {
if (imageId.contains("/chrome-headless")) {
command = p -> sb.toString() + " -p 9222 " + imageId;
} else if (imageId.contains("/karate-chrome")) {
karateChrome = true;
command = p -> sb.toString() + " -p 9222 " + imageId;
}
}
} else {
imageId = null;
}
}
public void setCommand(Function command) {
this.command = command;
}
public Function getCommand() {
return command;
}
@Override
public Map start(ScenarioRuntime sr) {
if (command == null) {
throw new RuntimeException("docker target command (function) not set");
}
if (imageId != null && pull) {
sr.logger.debug("attempting to pull docker image: {}", imageId);
Command.execLine(null, "docker pull " + imageId);
}
containerId = Command.execLine(null, command.apply(null));
int port = this.getContainerPort(containerId);
Map map = new HashMap();
if (options != null) {
map.putAll(options);
}
boolean remoteHost = options != null && options.get("remoteHost") != null && (Boolean) options.get("remoteHost");
boolean useDockerHost = options != null && options.get("useDockerHost") != null && (Boolean) options.get("useDockerHost");
String host = "127.0.0.1";
if (remoteHost) {
String gateway = Command.execLine(null, "docker inspect -f '{{.NetworkSettings.Gateway}}' " + containerId);
host = gateway.replaceAll("'", ""); // Some responses are wrapped in single quotes.
} else if (useDockerHost) {
host = "host.docker.internal";
}
map.put("start", false);
map.put("host", host);
map.put("port", port);
map.put("type", "chrome");
Command.waitForHttp("http://" + host + ":" + port + "/json");
return map;
}
@Override
public Map stop(ScenarioRuntime sr) {
Command.execLine(null, "docker stop " + containerId);
if (!karateChrome) { // no video
Command.execLine(null, "docker rm " + containerId);
return Collections.EMPTY_MAP;
}
String shortName = containerId.contains("_") ? containerId : StringUtils.truncate(containerId, 12, false);
String dirName = "karate-chrome_" + shortName;
String buildDir = sr.featureRuntime.suite.buildDir;
String resultsDir = buildDir + File.separator + dirName;
Command.execLine(null, "docker cp " + containerId + ":/tmp " + resultsDir);
Command.execLine(null, "docker rm " + containerId);
String video = resultsDir + File.separator + "karate.mp4";
File file = new File(video);
if (!file.exists()) {
sr.logger.warn("video file missing: {}", file);
return Collections.EMPTY_MAP;
}
File copy = new File(buildDir + File.separator + dirName + ".mp4");
FileUtils.copy(file, copy);
return Collections.singletonMap("video", copy.getPath());
}
private int getContainerPort(String containerId) {
// 9222/tcp is the default port for chrome headless
String format = "--format='{{(index (index .NetworkSettings.Ports \"9222/tcp\") 0).HostPort}}'";
if (FileUtils.isOsWindows()) {
format = format.replace("\"", "\\\"");
}
logger.debug("cmd: docker format {} {}", format, containerId);
String dockerInspect = Command.exec(false, (File) null,
"docker", "inspect", format, containerId
);
// Certain OS responses come back with single quotes with Command.exec
dockerInspect = dockerInspect.replaceAll("[^\\d]", "");
logger.debug("docker inspect command output: {}", dockerInspect);
try {
return Integer.parseInt(dockerInspect);
} catch (NumberFormatException e) {
throw new KarateException("Error fetching port from started docker container", e);
}
}
public String getContainerId() {
return this.containerId;
}
}
