Added Linux distribution version refs #22933

CHANGELOG.md

@@ -4,7 +4,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [v3.2.0-SNAPSHOT]
 
-- Added SecretManager thread local from authorization-utils [#22871]
+- Added SecretManagerProvider thread local from authorization-utils [#22871]
+- Added Linux distribution version [#22933]
 
 
 ## [v3.1.2-SNAPSHOT] - 2022-01-19

src/main/java/org/gcube/smartgears/handlers/container/lifecycle/LinuxDistributionInfo.java

@@ -0,0 +1,93 @@
+package org.gcube.smartgears.handlers.container.lifecycle;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Luca Frosini (ISTI-CNR)
+ */
+public class LinuxDistributionInfo {
+
+	private static final Logger logger = LoggerFactory.getLogger(LinuxDistributionInfo.class);
+
+	public static final String LSB_RELEASE_COMMAND = "lsb_release -a";
+	public static final String OS_RELEASE_FILE_PATH = "/etc/os-release";
+
+	protected Map<String, String> info;
+
+	protected Map<String, String> getInfoViaLsbReleaseCommand() throws IOException {
+		logger.trace("Going to exec {}", LSB_RELEASE_COMMAND);
+		Process process = Runtime.getRuntime().exec(LSB_RELEASE_COMMAND);
+		BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+		Map<String, String> map = parseBufferedReader(bufferedReader);
+		bufferedReader.close();
+		return map;
+	}
+
+	private Map<String, String> parseBufferedReader(BufferedReader bufferedReader) throws IOException {
+		Map<String, String> map = new HashMap<>();
+		String line = "";
+		while ((line = bufferedReader.readLine()) != null) {
+			String[] nameValue = parseLine(line);
+			map.put(nameValue[0], nameValue[1]);
+		}
+		return map;
+	}
+
+	private String[] parseLine(String line) {
+		String[] splitted = line.split("=");
+		if (splitted.length < 2) {
+			splitted = line.split(":");
+		}
+		String[] ret = new String[2];
+		ret[0] = splitted[0].trim();
+		ret[1] = splitted[1].trim().replace("\"", "");
+		return ret;
+	}
+
+	private Map<String, String> getInfoViaFile(File file) throws IOException {
+		logger.trace("Going to read file {}", file.getAbsolutePath());
+		BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
+		Map<String, String> map = parseBufferedReader(bufferedReader);
+		bufferedReader.close();
+		return map;
+
+	}
+
+	protected Map<String, String> getInfoViaOsReleaseFile() throws IOException {
+		File osReleaseFile = new File(OS_RELEASE_FILE_PATH);
+		return getInfoViaFile(osReleaseFile);
+	}
+
+	private Map<String, String> retriveInfo() {
+		try {
+			return getInfoViaLsbReleaseCommand();
+		} catch (IOException e) {
+			
+		}
+		
+		try {
+			return getInfoViaOsReleaseFile();
+		}catch (IOException e) {
+			
+		}
+		
+		return null;
+	}
+
+	public Map<String, String> getInfo() {
+		if (info == null) {
+			info = retriveInfo();
+		}
+		return info;
+	}
+
+}

src/main/java/org/gcube/smartgears/handlers/container/lifecycle/ProfileBuilder.java

@@ -282,6 +282,15 @@ public class ProfileBuilder {
 		*/
 
 		
+		String osVersion = System.getProperty("os.name");
+		if(osVersion.compareToIgnoreCase("Linux")==0) {
+			LinuxDistributionInfo linuxDistributionInfo = new LinuxDistributionInfo();
+			Map<String,String> info = linuxDistributionInfo.getInfo();
+			for(String key : info.keySet()) {
+				variables.add().keyAndValue(key, info.get(key));
+			}
+		}
+		
 		variables.add().keyAndValue("Java", System.getProperty("java.version"));
 		
 		SmartGearsConfiguration config = ProviderFactory.provider().smartgearsConfiguration();