wangyang0918 commented on code in PR #160:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/160#discussion_r846895737
##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/utils/EnvUtils.java:
##########
@@ -68,4 +97,113 @@ public static String getRequired(String key) {
}
return value;
}
+
+ /**
+ * Logs information about the environment, like code revision, current
user, Java version, and
+ * JVM parameters.
+ *
+ * @param log The logger to log the information to.
+ * @param componentName The component name to mention in the log.
+ * @param commandLineArgs The arguments accompanying the starting the
component.
+ */
+ public static void logEnvironmentInfo(
+ Logger log, String componentName, String[] commandLineArgs) {
+ if (log.isInfoEnabled()) {
+ Properties properties = new Properties();
+ try (InputStream propFile =
+
EnvUtils.class.getClassLoader().getResourceAsStream(PROP_FILE)) {
+ if (propFile != null) {
+ properties.load(propFile);
+ }
+ } catch (IOException e) {
+ LOG.info(
+ "Cannot determine code revision: Unable to read
version property file.: {}",
+ e.getMessage());
+ }
+ String javaHome = System.getenv("JAVA_HOME");
+ String arch = System.getProperty("os.arch");
+ long maxHeapMegabytes = getMaxJvmHeapMemory() >>> 20;
+ log.info(
+
"--------------------------------------------------------------------------------");
+ log.info(
+ " Starting "
+ + componentName
+ + " (Version: "
+ + getProperty(properties, "project.version",
UNKNOWN)
+ + ", Flink Version: "
+ + getVersion()
+ + ", Scala: "
Review Comment:
We do not need to print the scala version. The `flink-kubernetes-operator`
does not depends any scala classes and we have already excluded the scala
dependencies. Also Flink will be scala free in the later version.
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