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com.capitalone.dashboard.collector.DefaultHudsonClient Maven / Gradle / Ivy
package com.capitalone.dashboard.collector;
import com.capitalone.dashboard.model.Build;
import com.capitalone.dashboard.model.BuildStatus;
import com.capitalone.dashboard.model.HudsonJob;
import com.capitalone.dashboard.model.RepoBranch;
import com.capitalone.dashboard.model.SCM;
import com.capitalone.dashboard.util.Supplier;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestOperations;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* HudsonClient implementation that uses RestTemplate and JSONSimple to
* fetch information from Hudson instances.
*/
@Component
public class DefaultHudsonClient implements HudsonClient {
private static final Logger LOG = LoggerFactory.getLogger(DefaultHudsonClient.class);
private final RestOperations rest;
private final HudsonSettings settings;
private static final String JOBS_URL_SUFFIX = "/api/json?tree=jobs[name,url,builds[number,url]]";
private static final String[] CHANGE_SET_ITEMS_TREE = new String[]{
"user",
"author[fullName]",
"revision",
"id",
"msg",
"timestamp",
"date",
"paths[file]"
};
private static final String[] BUILD_DETAILS_TREE = new String[]{
"number",
"url",
"timestamp",
"duration",
"building",
"result",
"culprits[fullName]",
"changeSet[items[" + StringUtils.join(CHANGE_SET_ITEMS_TREE, ",") + "]",
"kind",
"revisions[module,revision]]",
"actions[lastBuiltRevision[SHA1,branch[SHA1,name]],remoteUrls]"
};
private static final String BUILD_DETAILS_URL_SUFFIX = "/api/json?tree=" + StringUtils.join(BUILD_DETAILS_TREE, ",");
@Autowired
public DefaultHudsonClient(Supplier restOperationsSupplier, HudsonSettings settings) {
this.rest = restOperationsSupplier.get();
this.settings = settings;
}
@Override
public Map> getInstanceJobs(String instanceUrl) {
Map> result = new LinkedHashMap<>();
try {
String url = joinURL(instanceUrl, JOBS_URL_SUFFIX);
ResponseEntity responseEntity = makeRestCall(url);
String returnJSON = responseEntity.getBody();
JSONParser parser = new JSONParser();
try {
JSONObject object = (JSONObject) parser.parse(returnJSON);
for (Object job : getJsonArray(object, "jobs")) {
JSONObject jsonJob = (JSONObject) job;
final String jobName = getString(jsonJob, "name");
final String jobURL = getString(jsonJob, "url");
LOG.debug("Job:" + jobName);
LOG.debug("jobURL: " + jobURL);
HudsonJob hudsonJob = new HudsonJob();
hudsonJob.setInstanceUrl(instanceUrl);
hudsonJob.setJobName(jobName);
hudsonJob.setJobUrl(jobURL);
Set builds = new LinkedHashSet<>();
for (Object build : getJsonArray(jsonJob, "builds")) {
JSONObject jsonBuild = (JSONObject) build;
// A basic Build object. This will be fleshed out later if this is a new Build.
String dockerLocalHostIP = settings.getDockerLocalHostIP();
String buildNumber = jsonBuild.get("number").toString();
if (!"0".equals(buildNumber)) {
Build hudsonBuild = new Build();
hudsonBuild.setNumber(buildNumber);
String buildURL = getString(jsonBuild, "url");
//Modify localhost if Docker Natting is being done
if (!dockerLocalHostIP.isEmpty()) {
buildURL = buildURL.replace("localhost", dockerLocalHostIP);
LOG.debug("Adding build & Updated URL to map LocalHost for Docker: " + buildURL);
} else {
LOG.debug(" Adding Build: " + buildURL);
}
hudsonBuild.setBuildUrl(buildURL);
builds.add(hudsonBuild);
}
}
// add the builds to the job
result.put(hudsonJob, builds);
}
} catch (ParseException e) {
LOG.error("Parsing jobs on instance: " + instanceUrl, e);
}
} catch (RestClientException rce) {
LOG.error("client exception loading jobs", rce);
throw rce;
} catch (MalformedURLException mfe) {
LOG.error("malformed url for loading jobs", mfe);
}
return result;
}
@Override
public Build getBuildDetails(String buildUrl, String instanceUrl) {
try {
String newUrl = rebuildJobUrl(buildUrl, instanceUrl);
String url = joinURL(newUrl, BUILD_DETAILS_URL_SUFFIX);
ResponseEntity result = makeRestCall(url);
String resultJSON = result.getBody();
if (StringUtils.isEmpty(resultJSON)) {
LOG.error("Error getting build details for. URL=" + url);
return null;
}
JSONParser parser = new JSONParser();
try {
JSONObject buildJson = (JSONObject) parser.parse(resultJSON);
Boolean building = (Boolean) buildJson.get("building");
// Ignore jobs that are building
if (!building) {
Build build = new Build();
build.setNumber(buildJson.get("number").toString());
build.setBuildUrl(buildUrl);
build.setTimestamp(System.currentTimeMillis());
build.setStartTime((Long) buildJson.get("timestamp"));
build.setDuration((Long) buildJson.get("duration"));
build.setEndTime(build.getStartTime() + build.getDuration());
build.setBuildStatus(getBuildStatus(buildJson));
build.setStartedBy(firstCulprit(buildJson));
if (settings.isSaveLog()) {
build.setLog(getLog(buildUrl));
}
addChangeSets(build, buildJson);
return build;
}
} catch (ParseException e) {
LOG.error("Parsing build: " + buildUrl, e);
}
} catch (RestClientException rce) {
LOG.error("Client exception loading build details: " + rce.getMessage() + ". URL =" + buildUrl);
} catch (MalformedURLException mfe) {
LOG.error("Malformed url for loading build details" + mfe.getMessage() + ". URL =" + buildUrl);
} catch (URISyntaxException use) {
LOG.error("Uri syntax exception for loading build details" + use.getMessage() + ". URL =" + buildUrl);
} catch (RuntimeException re) {
LOG.error("Unknown error in getting build details. URL=" + buildUrl, re);
} catch (UnsupportedEncodingException unse) {
LOG.error("Unsupported Encoding Exception in getting build details. URL=" + buildUrl, unse);
}
return null;
}
//This method will rebuild the API endpoint because the buildUrl obtained via Jenkins API
//does not save the auth user info and we need to add it back.
public static String rebuildJobUrl(String build, String server) throws URISyntaxException, MalformedURLException, UnsupportedEncodingException {
URL instanceUrl = new URL(server);
String userInfo = instanceUrl.getUserInfo();
String instanceProtocol = instanceUrl.getProtocol();
//decode to handle spaces in the job name.
URL buildUrl = new URL(URLDecoder.decode(build, "UTF-8"));
String buildPath = buildUrl.getPath();
String host = buildUrl.getHost();
int port = buildUrl.getPort();
URI newUri = new URI(instanceProtocol, userInfo, host, port, buildPath, null, null);
return newUri.toString();
}
/**
* Grabs changeset information for the given build.
*
* @param build a Build
* @param buildJson the build JSON object
*/
private void addChangeSets(Build build, JSONObject buildJson) {
JSONObject changeSet = (JSONObject) buildJson.get("changeSet");
String scmType = getString(changeSet, "kind");
Map revisionToUrl = new HashMap<>();
// Build a map of revision to module (scm url). This is not always
// provided by the Hudson API, but we can use it if available.
// For git, this map is empty.
for (Object revision : getJsonArray(changeSet, "revisions")) {
JSONObject json = (JSONObject) revision;
RepoBranch rb = new RepoBranch();
rb.setUrl(getString(json, "module"));
rb.setType(RepoBranch.RepoType.fromString(scmType));
revisionToUrl.put(json.get("revision").toString(), rb);
build.getCodeRepos().add(rb);
}
//For git SCM, the below is to get the repoBranch
build.getCodeRepos().addAll(getGitRepoBranch(buildJson));
for (Object item : getJsonArray(changeSet, "items")) {
JSONObject jsonItem = (JSONObject) item;
SCM scm = new SCM();
scm.setScmAuthor(getCommitAuthor(jsonItem));
scm.setScmCommitLog(getString(jsonItem, "msg"));
scm.setScmCommitTimestamp(getCommitTimestamp(jsonItem));
scm.setScmRevisionNumber(getRevision(jsonItem));
RepoBranch repoBranch = revisionToUrl.get(scm.getScmRevisionNumber());
if (repoBranch != null) {
scm.setScmUrl(repoBranch.getUrl());
scm.setScmBranch(repoBranch.getBranch());
}
scm.setNumberOfChanges(getJsonArray(jsonItem, "paths").size());
build.getSourceChangeSet().add(scm);
}
}
/**
* Gathers only repo urls from now. There is no way to figure out which branches were built - as of yet.
* The JSON from Jenkins for multi repo and multi branch is quite buggy
*/
private List getGitRepoBranch(JSONObject buildJson) {
List list = new ArrayList<>();
JSONArray actions = getJsonArray(buildJson, "actions");
for (Object action : actions) {
JSONObject jsonAction = (JSONObject) action;
if (jsonAction.size() > 0) {
JSONArray remoteUrls = getJsonArray ((JSONObject) action, "remoteUrls");
for (Object urlObj : remoteUrls) {
String sUrl = (String) urlObj;
//remove .git from the urls
if (sUrl.endsWith(".git")) {
sUrl = sUrl.substring(0, sUrl.lastIndexOf(".git"));
}
RepoBranch grb = new RepoBranch(sUrl, "", RepoBranch.RepoType.GIT);
list.add(grb);
}
}
}
return list;
}
////// Helpers
private long getCommitTimestamp(JSONObject jsonItem) {
if (jsonItem.get("timestamp") != null) {
return (Long) jsonItem.get("timestamp");
} else if (jsonItem.get("date") != null) {
String dateString = (String) jsonItem.get("date");
try {
return new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS").parse(dateString).getTime();
} catch (java.text.ParseException e) {
// Try an alternate date format...looks like this one is used by Git
try {
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z").parse(dateString).getTime();
} catch (java.text.ParseException e1) {
LOG.error("Invalid date string: " + dateString, e);
}
}
}
return 0;
}
private String getString(JSONObject json, String key) {
return (String) json.get(key);
}
private String getRevision(JSONObject jsonItem) {
// Use revision if provided, otherwise use id
Long revision = (Long) jsonItem.get("revision");
return revision == null ? getString(jsonItem, "id") : revision.toString();
}
private JSONArray getJsonArray(JSONObject json, String key) {
Object array = json.get(key);
return array == null ? new JSONArray() : (JSONArray) array;
}
private String firstCulprit(JSONObject buildJson) {
JSONArray culprits = getJsonArray(buildJson, "culprits");
if (CollectionUtils.isEmpty(culprits)) {
return null;
}
JSONObject culprit = (JSONObject) culprits.get(0);
return getFullName(culprit);
}
private String getFullName(JSONObject author) {
return getString(author, "fullName");
}
private String getCommitAuthor(JSONObject jsonItem) {
// Use user if provided, otherwise use author.fullName
JSONObject author = (JSONObject) jsonItem.get("author");
return author == null ? getString(jsonItem, "user") : getFullName(author);
}
private BuildStatus getBuildStatus(JSONObject buildJson) {
String status = buildJson.get("result").toString();
switch (status) {
case "SUCCESS":
return BuildStatus.Success;
case "UNSTABLE":
return BuildStatus.Unstable;
case "FAILURE":
return BuildStatus.Failure;
case "ABORTED":
return BuildStatus.Aborted;
default:
return BuildStatus.Unknown;
}
}
protected ResponseEntity makeRestCall(String sUrl) throws MalformedURLException {
URI thisuri = URI.create(sUrl);
String userInfo = thisuri.getUserInfo();
//get userinfo from URI or settings (in spring properties)
if (StringUtils.isEmpty(userInfo) && (this.settings.getUsername() != null) && (this.settings.getApiKey() != null)) {
userInfo = this.settings.getUsername() + ":" + this.settings.getApiKey();
}
// Basic Auth only.
if (StringUtils.isNotEmpty(userInfo)) {
return rest.exchange(thisuri, HttpMethod.GET,
new HttpEntity<>(createHeaders(userInfo)),
String.class);
} else {
return rest.exchange(thisuri, HttpMethod.GET, null,
String.class);
}
}
protected HttpHeaders createHeaders(final String userInfo) {
byte[] encodedAuth = Base64.encodeBase64(
userInfo.getBytes(StandardCharsets.US_ASCII));
String authHeader = "Basic " + new String(encodedAuth);
HttpHeaders headers = new HttpHeaders();
headers.set(HttpHeaders.AUTHORIZATION, authHeader);
return headers;
}
protected String getLog(String buildUrl) {
try {
return makeRestCall(joinURL(buildUrl, "consoleText")).getBody();
} catch (MalformedURLException mfe) {
LOG.error("malformed url for build log", mfe);
}
return "";
}
// join a base url to another path or paths - this will handle trailing or non-trailing /'s
public static String joinURL(String base, String... paths) throws MalformedURLException {
StringBuilder result = new StringBuilder(base);
for (String path : paths) {
String p = path.replaceFirst("^(\\/)+", "");
if (result.lastIndexOf("/") != result.length() - 1) {
result.append('/');
}
result.append(p);
}
return result.toString();
}
}
