mneethiraj commented on code in PR #442:
URL: https://github.com/apache/ranger/pull/442#discussion_r1880969089
##########
agents-common/src/main/java/org/apache/ranger/plugin/contextenricher/RangerFileBasedTagRetriever.java:
##########
@@ -25,200 +25,185 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import java.io.*;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.Map;
public class RangerFileBasedTagRetriever extends RangerTagRetriever {
- private static final Logger LOG =
LoggerFactory.getLogger(RangerFileBasedTagRetriever.class);
-
-
- private URL serviceTagsFileURL;
- private String serviceTagsFileName;
- int tagFilesCount = 0;
- int currentTagFileIndex = 0;
- boolean isInitial = true;
- @Override
- public void init(Map<String, String> options) {
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("==> init()" );
- }
-
- String serviceTagsFileNameProperty = "serviceTagsFileName";
- String serviceTagsDefaultFileName =
"/testdata/test_servicetags_hive.json";
- String tagFilesCountProperty = "tagFileCount";
-
- if (StringUtils.isNotBlank(serviceName) && serviceDef != null
&& StringUtils.isNotBlank(appId)) {
- // Open specified file from options- it should contain
service-tags
-
- serviceTagsFileName = options != null?
options.get(serviceTagsFileNameProperty) : null;
-
- serviceTagsFileName = serviceTagsFileName == null ?
serviceTagsDefaultFileName : serviceTagsFileName;
- if (options != null) {
- String tagFilesCountStr =
options.get(tagFilesCountProperty);
- if (!StringUtils.isNotEmpty(tagFilesCountStr)) {
- try {
- tagFilesCount =
Integer.parseInt(tagFilesCountStr);
- } catch (Exception e) {
- LOG.error("Exception while
parsing tagFileCount option value:[" + tagFilesCountStr + "]");
- LOG.error("Setting
tagFilesCount to 0");
- }
- }
- }
-
- if (StringUtils.isNotBlank(serviceTagsFileName)) {
- serviceTagsFileURL =
getTagFileURL(serviceTagsFileName);
- }
- isInitial = true;
- } else {
- LOG.error("FATAL: Cannot find
service/serviceDef/serviceTagsFile to use for retrieving tags. Will NOT be able
to retrieve tags.");
- }
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("<== init() : serviceTagsFileName=" +
serviceTagsFileName);
- }
- }
-
- @Override
- public ServiceTags retrieveTags(long lastKnownVersion, long
lastActivationTimeInMillis) throws Exception {
- if (LOG.isDebugEnabled()) {
- LOG.debug("==> retrieveTags(lastKnownVersion=" +
lastKnownVersion + ", lastActivationTimeInMillis=" + lastActivationTimeInMillis
+ ", serviceTagsFilePath=" + serviceTagsFileName);
- }
-
- ServiceTags serviceTags = readFromFile();
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("<== retrieveTags(lastKnownVersion=" +
lastKnownVersion + ", lastActivationTimeInMillis=" +
lastActivationTimeInMillis);
- }
-
- return serviceTags;
- }
-
- URL getTagFileURL(String fileName) {
- URL fileURL = null;
-
- InputStream tagFileStream = null;
-
- File f = new File(fileName);
-
- if (f.exists() && f.isFile() && f.canRead()) {
- try {
- tagFileStream = new FileInputStream(f);
- fileURL = f.toURI().toURL();
- } catch (FileNotFoundException exception) {
- LOG.error("Error processing input file:" +
fileName + " or no privilege for reading file " + fileName, exception);
- } catch (MalformedURLException malformedException) {
- LOG.error("Error processing input file:" +
fileName + " cannot be converted to URL " + fileName, malformedException);
- }
- } else {
-
- fileURL = getClass().getResource(fileName);
- if (fileURL == null) {
- if (!fileName.startsWith("/")) {
- fileURL = getClass().getResource("/" +
fileName);
- }
- }
-
- if (fileURL == null) {
- fileURL =
ClassLoader.getSystemClassLoader().getResource(fileName);
- if (fileURL == null) {
- if (!fileName.startsWith("/")) {
- fileURL =
ClassLoader.getSystemClassLoader().getResource("/" + fileName);
- }
- }
- }
-
- if (fileURL != null) {
-
- try {
- tagFileStream = fileURL.openStream();
- } catch (Exception exception) {
- fileURL = null;
- LOG.error(fileName + " is not a file",
exception);
- }
- } else {
- LOG.warn("Error processing input file: URL not
found for " + fileName + " or no privilege for reading file " + fileName);
- }
- }
-
- if (tagFileStream != null) {
- try {
- tagFileStream.close();
- } catch (Exception e) {
- // Ignore
- }
- }
- return fileURL;
- }
-
- private ServiceTags readFromFile() {
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("==>
RangerFileBasedTagRetriever.readFromFile: sourceFileName=" +
serviceTagsFileName);
- }
-
- ServiceTags ret = null;
-
- String fileName;
-
- fileName = serviceTagsFileName;
-
- if (isInitial) {
- isInitial = false;
- if (serviceTagsFileURL != null) {
- try (
- InputStream fileStream =
serviceTagsFileURL.openStream();
- Reader reader = new
InputStreamReader(fileStream, StandardCharsets.UTF_8)
- ) {
-
- ret = JsonUtils.jsonToObject(reader,
ServiceTags.class);
- if (ret.getIsTagsDeduped()) {
- final int countOfDuplicateTags
= ret.dedupTags();
- LOG.info("Number of duplicate
tags removed from the received serviceTags:[" + countOfDuplicateTags + "].
Number of tags in the de-duplicated serviceTags :[" + ret.getTags().size() +
"].");
- }
-
- } catch (IOException e) {
- LOG.warn("Error processing input file:
or no privilege for reading file " + fileName, e);
- }
- } else {
- LOG.error("Error reading file: " + fileName);
- }
-
- } else if (tagFilesCount > 0) {
-
- currentTagFileIndex = currentTagFileIndex %
tagFilesCount;
- fileName = serviceTagsFileName + "_" +
currentTagFileIndex + ".json";
- URL fileURL = getTagFileURL(fileName);
- if (fileURL != null) {
- try (
- InputStream fileStream =
fileURL.openStream();
- Reader reader = new
InputStreamReader(fileStream, StandardCharsets.UTF_8)
- ) {
-
- ret = JsonUtils.jsonToObject(reader,
ServiceTags.class);
- currentTagFileIndex++;
- if (ret.getIsTagsDeduped()) {
- final int countOfDuplicateTags
= ret.dedupTags();
- LOG.info("Number of duplicate
tags removed from the received serviceTags:[" + countOfDuplicateTags + "].
Number of tags in the de-duplicated serviceTags :[" + ret.getTags().size() +
"].");
- }
- } catch (IOException e) {
- LOG.warn("Error processing input file:
or no privilege for reading file " + fileName, e);
- }
- } else {
- LOG.error("Error reading file: " + fileName);
- }
-
- }
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("<==
RangerFileBasedTagRetriever.readFromFile: sourceFileName=" + fileName);
- }
-
- return ret;
- }
-
+ private static final Logger LOG =
LoggerFactory.getLogger(RangerFileBasedTagRetriever.class);
+
+ int tagFilesCount;
+ int currentTagFileIndex;
+ boolean isInitial = true;
+
+ private URL serviceTagsFileURL;
+ private String serviceTagsFileName;
+
+ @Override
+ public void init(Map<String, String> options) {
+ LOG.debug("==> init()");
+
+ String serviceTagsFileNameProperty = "serviceTagsFileName";
+ String serviceTagsDefaultFileName =
"/testdata/test_servicetags_hive.json";
+ String tagFilesCountProperty = "tagFileCount";
+
+ if (StringUtils.isNotBlank(serviceName) && serviceDef != null &&
StringUtils.isNotBlank(appId)) {
+ // Open specified file from options- it should contain service-tags
+ serviceTagsFileName = options != null ?
options.get(serviceTagsFileNameProperty) : null;
+ serviceTagsFileName = serviceTagsFileName == null ?
serviceTagsDefaultFileName : serviceTagsFileName;
+
+ if (options != null) {
+ String tagFilesCountStr = options.get(tagFilesCountProperty);
+
+ if (!StringUtils.isNotEmpty(tagFilesCountStr)) {
+ try {
+ tagFilesCount = Integer.parseInt(tagFilesCountStr);
+ } catch (Exception e) {
+ LOG.error("Exception while parsing tagFileCount option
value:[{}]", tagFilesCountStr);
+ LOG.error("Setting tagFilesCount to 0");
+ }
+ }
+ }
+
+ if (StringUtils.isNotBlank(serviceTagsFileName)) {
+ serviceTagsFileURL = getTagFileURL(serviceTagsFileName);
+ }
+
+ isInitial = true;
+ } else {
+ LOG.error("FATAL: Cannot find service/serviceDef/serviceTagsFile
to use for retrieving tags. Will NOT be able to retrieve tags.");
+ }
+
+ LOG.debug("<== init() : serviceTagsFileName={}", serviceTagsFileName);
+ }
+
+ @Override
+ public ServiceTags retrieveTags(long lastKnownVersion, long
lastActivationTimeInMillis) {
+ LOG.debug("==> retrieveTags(lastKnownVersion={},
lastActivationTimeInMillis={}, serviceTagsFilePath={}", lastKnownVersion,
lastActivationTimeInMillis, serviceTagsFileName);
+
+ ServiceTags serviceTags = readFromFile();
+
+ LOG.debug("<== retrieveTags(lastKnownVersion={},
lastActivationTimeInMillis={}", lastKnownVersion, lastActivationTimeInMillis);
+
+ return serviceTags;
+ }
+
+ URL getTagFileURL(String fileName) {
+ URL fileURL = null;
Review Comment:
Would result in compliation error.
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