SERVER-9644: HP-UX support for Process Monitoring Extension

src/main/java/com/appdynamics/extensions/process/common/CommandExecutor.java

@@ -34,13 +34,13 @@ public static List<String> execute(String command) {
         return init(command, null);
     }
 
-    public static List<String> init(String command, List<String> env) {
+    public static List<String> init(String command, String[] env) {
         Process process;
         long startTime = System.currentTimeMillis();
         try {
             logger.debug("Executing the command " + command);
             if (env != null) {
-                process = Runtime.getRuntime().exec(command, env.toArray(new String[1]));
+                process = Runtime.getRuntime().exec(command, env);
             } else {
                 process = Runtime.getRuntime().exec(command);
             }
@@ -62,7 +62,7 @@ public static List<String> init(String command, List<String> env) {
         }
     }
 
-    public List<String> execute(String command, List<String> env) {
+    public static List<String> execute(String command, String[] env) {
         return init(command, env);
     }
 

src/main/java/com/appdynamics/extensions/process/common/MonitorConstants.java

@@ -61,6 +61,8 @@ public class MonitorConstants {
     public static final String AIX_PROCESS_LIST_COMMAND = "ps -eo pid,pcpu=CPU%,pmem=Memory%,rss=RSS,args";
 
     // HP-UX
+    public static final String HP_UX_PROCESS_LIST_COMMAND = "ps -eo pid,pcpu,vsz,args";
+
     // For Memory machinfo | grep -i memory doesn't work on HP-UX 11.1x, so parsing top command
     public static final String HPUX_TOP_COMMAND = "top -d 1";
     // UNIX95= ps -eo pid,pcpu,vsz,args

src/main/java/com/appdynamics/extensions/process/parser/AIXParser.java

@@ -31,7 +31,7 @@ public class AIXParser extends Parser {
     public static final Logger logger = ExtensionsLoggerFactory.getLogger(AIXParser.class);
 
     public Map<String, ProcessData> fetchMetrics(Map<String, ?> config) {
-        return fetchMetrics(config, getProcessListCommand(getCommands(config)));
+        return fetchMetrics(config, getProcessListCommand(getCommands(config)), null);
     }
 
     private String getProcessListCommand(Map<String, String> commands) {

src/main/java/com/appdynamics/extensions/process/parser/HPUXParser.java

@@ -17,20 +17,35 @@
 
 package com.appdynamics.extensions.process.parser;
 
+import com.appdynamics.extensions.process.common.MonitorConstants;
 import com.appdynamics.extensions.process.data.ProcessData;
+import com.google.common.base.Strings;
 
 import java.util.Map;
 
+import static com.appdynamics.extensions.process.common.MonitorConstants.HP_UX;
+import static com.appdynamics.extensions.process.common.MonitorConstants.PROCESS;
+
 public class HPUXParser extends Parser {
     public Map<String, ProcessData> fetchMetrics(Map<String, ?> config) {
-        return null;
+        String[] envp = {"UNIX95= "};
+        return fetchMetrics(config, getProcessListCommand(getCommands(config)), envp);
     }
 
     public String getProcessGroupName() {
         return "HP-UX Processes";
     }
 
+    private String getProcessListCommand(Map<String, String> commands) {
+        String cmd;
+        if (commands != null && !Strings.isNullOrEmpty(commands.get(PROCESS))) {
+            cmd = commands.get(PROCESS);
+        } else {
+            cmd = MonitorConstants.HP_UX_PROCESS_LIST_COMMAND;
+        }
+        return cmd;
+    }
     protected Map<String, String> getCommands(Map<String, ?> config) {
-        return null;
+        return (Map) config.get(HP_UX);
     }
 }

src/main/java/com/appdynamics/extensions/process/parser/LinuxParser.java

@@ -31,7 +31,7 @@ public class LinuxParser extends Parser {
     public static final Logger logger = ExtensionsLoggerFactory.getLogger(LinuxParser.class);
 
     public Map<String, ProcessData> fetchMetrics(Map<String, ?> config) {
-        return fetchMetrics(config, getProcessListCommand(getCommands(config)));
+        return fetchMetrics(config, getProcessListCommand(getCommands(config)), null);
     }
 
     private String getProcessListCommand(Map<String, String> commands) {

src/main/java/com/appdynamics/extensions/process/parser/Parser.java

@@ -44,9 +44,9 @@ public abstract class Parser {
 
     public abstract Map<String, ProcessData> fetchMetrics(Map<String, ?> config);
 
-    public Map<String, ProcessData> fetchMetrics(Map<String, ?> config, String cmd) {
+    public Map<String, ProcessData> fetchMetrics(Map<String, ?> config, String cmd, String[] envp) {
         List<Instance> instances = new ConfigProcessor().processConfig(config);
-        List<String> processListOutput = CommandExecutor.execute(cmd);
+        List<String> processListOutput = CommandExecutor.execute(cmd, envp);
         AssertUtils.assertNotNull(processListOutput, "The output from " + cmd + " is null");
         List<String> headers = getHeaders(processListOutput, cmd);
         ListMultimap<String, String> filteredProcessLines = filterProcessLinesFromCompleteList(processListOutput.subList(1, processListOutput.size()), instances, headers);

src/main/java/com/appdynamics/extensions/process/parser/SolarisParser.java

@@ -31,7 +31,7 @@ public class SolarisParser extends Parser {
     public static final Logger logger = ExtensionsLoggerFactory.getLogger(SolarisParser.class);
 
     public Map<String, ProcessData> fetchMetrics(Map<String, ?> config) {
-        return fetchMetrics(config, getProcessListCommand(getCommands(config)));
+        return fetchMetrics(config, getProcessListCommand(getCommands(config)), null);
     }
 
     private String getProcessListCommand(Map<String, String> commands) {

src/main/resources/conf/config.yml

@@ -24,7 +24,14 @@ solaris:
 aix:
   process: "ps -eo pid,pcpu=CPU%,pmem=Memory%,rss=RSS,args"
 
+hp-ux:
+  process: "ps -eo pid,pcpu,vsz,args"
+
 metrics:
+  - "%CPU":
+      alias: "CPU%"
+  - VSZ:
+      alias: "Virtual Memory Size"
   - CPU%:
       multiplier: 1
   - Memory%: