Cleanup and updates to README files.

README.md

@@ -1,15 +1,18 @@
 # System Monitor
 
+System monitoring solution with support for plugins.
+
+![Sysmon Icon](doc/sysmon.png)
+
 This software is free to use and is licensed under the [Apache 2.0 License](LICENSE).
 
 - Example dashboards are provided in the [doc/](doc) folder, which can be imported into your Grafana installation.
 - Screenshots are available in the [downloads](https://bitbucket.org/mnellemann/sysmon/downloads/) section.
 
-![Sysmon Icon](doc/monitoring-eye-320x320.png)
 
 ## Components 
 
-### Client
+### Client / Agent
 
 Runs on your hosts and collects metrics, which are sent to the central *server*.
 

client/README.md

@@ -1,6 +1,6 @@
-# Client
+# Client / Agent
 
-This is the client component of SysMon. Install on the hosts for which you want to collect metrics. 
+This is the client component of SysMon. Install on the hosts where you want to collect metrics. 
 
 ## Installation
 

doc/sysmon.drawio

@@ -0,0 +1 @@
+<mxfile host="Electron" modified="2022-02-16T10:59:18.347Z" agent="5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/16.5.1 Chrome/96.0.4664.110 Electron/16.0.7 Safari/537.36" etag="7br3EGAmvduaKIlR3_Vo" version="16.5.1" type="device"><diagram id="JBJC25AnoTCSJF4dnfuA" name="Page-1">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</diagram></mxfile>

gradle.properties

@@ -1,6 +1,6 @@
-version=0.1.8
-pf4jVersion=3.6.0
-slf4jVersion=1.7.33
-camelVersion=3.14.0
-picocliVersion=4.6.2
-oshiVersion=6.1.1
+version         = 0.1.9
+pf4jVersion     = 3.6.0
+slf4jVersion    = 1.7.33
+camelVersion    = 3.14.1
+picocliVersion  = 4.6.2
+oshiVersion     = 6.1.2

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

plugins/README.md

@@ -1,6 +1,6 @@
 # System Monitor Plugins
 
-Collection of standard sysmon plugins.
+Collection of standard sysmon plugins for use with the client.
 
 - [base](os-base/) - Base OS metrics (through [oshi](https://github.com/oshi/oshi))
 - [aix](os-aix/) - AIX (and Power) specific metrics

plugins/os-aix/src/main/java/sysmon/plugins/os_aix/AixNetstatExtension.java

@@ -1,6 +1,5 @@
 package sysmon.plugins.os_aix;
 
-import org.pf4j.Extension;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sysmon.shared.Measurement;
@@ -47,7 +46,7 @@ public class AixNetstatExtension implements MetricExtension  {
             return false;
         }
 
-        if(!PluginHelper.canExecute("netstat")) {
+        if(PluginHelper.notExecutable("netstat")) {
             log.warn("Requires the 'netstat' command.");
             return false;
         }

plugins/os-aix/src/main/java/sysmon/plugins/os_aix/AixProcessorExtension.java

@@ -47,7 +47,7 @@ public class AixProcessorExtension implements MetricExtension {
             return false;
         }
 
-        if(!PluginHelper.canExecute("lparstat")) {
+        if(PluginHelper.notExecutable("lparstat")) {
             log.warn("Requires the 'lparstat' command.");
             return false;
         }

plugins/os-base/src/main/java/sysmon/plugins/os_base/BasePlugin.java

@@ -4,7 +4,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.pf4j.Plugin;
 import org.pf4j.PluginWrapper;
-import oshi.PlatformEnum;
 import oshi.SystemInfo;
 import oshi.hardware.HardwareAbstractionLayer;
 

plugins/os-linux/src/main/java/sysmon/plugins/os_linux/LinuxNetstatExtension.java

@@ -1,6 +1,5 @@
 package sysmon.plugins.os_linux;
 
-import org.pf4j.Extension;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sysmon.shared.Measurement;
@@ -47,7 +46,7 @@ public class LinuxNetstatExtension implements MetricExtension  {
             return false;
         }
 
-        if(!PluginHelper.canExecute("netstat")) {
+        if(PluginHelper.notExecutable("netstat")) {
             log.warn("Requires the 'netstat' command.");
             return false;
         }

server/src/main/java/sysmon/server/MetricResultToPointProcessor.java

@@ -20,7 +20,7 @@ public class MetricResultToPointProcessor implements Processor {
     }
 
     @Override
-    public void process(Exchange exchange) throws Exception {
+    public void process(Exchange exchange) {
 
         MetricResult metricResult = exchange.getIn().getBody(MetricResult.class);
         List<Measurement> measurementList = metricResult.getMeasurements();

server/src/main/java/sysmon/server/ServerRouteBuilder.java

@@ -10,7 +10,7 @@ import sysmon.shared.ComboResult;
 public class ServerRouteBuilder extends RouteBuilder {
 
     @Override
-    public void configure() throws Exception {
+    public void configure() {
 
         final Registry registry = getContext().getRegistry();
         final String dbname = registry.lookupByNameAndType("dbname", String.class);

server/src/main/java/sysmon/server/bean/Hello.java

@@ -1,21 +0,0 @@
-package sysmon.server.bean;
-
-import org.apache.camel.Exchange;
-import org.apache.camel.Processor;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.Objects;
-
-public class Hello implements Processor {
-
-    private final static Logger log = LoggerFactory.getLogger(Hello.class);
-
-    public void process(Exchange exchange) throws Exception {
-        String name = exchange.getIn().getHeader("name", String.class);
-        String msg = "Hello " + Objects.requireNonNull(name, "universe");
-        log.info(msg);
-
-        exchange.getMessage().setBody(msg);
-    }
-}

server/src/main/java/sysmon/server/bean/IncomingMetricProcessor.java

@@ -1,18 +0,0 @@
-package sysmon.server.bean;
-
-import org.apache.camel.Exchange;
-import org.apache.camel.Processor;
-
-public class IncomingMetricProcessor implements Processor {
-
-    public void process(Exchange exchange) throws Exception {
-
-        //MetricResult payload = exchange.getIn().getBody(MetricResult.class);
-        //log.info("I am going to send this data to InfluxDB.");
-        //log.info(payload.toString());
-
-        exchange.getMessage().setBody("OK");
-    }
-
-
-}

shared/src/main/java/sysmon/shared/MetricResult.java

@@ -3,7 +3,6 @@ package sysmon.shared;
 import java.io.Serializable;
 import java.time.Instant;
 import java.util.ArrayList;
-import java.util.Map;
 
 public class MetricResult implements Serializable {
 

shared/src/main/java/sysmon/shared/PluginHelper.java

@@ -52,10 +52,10 @@ public class PluginHelper {
     }
 
 
-    public static boolean canExecute(String cmd) {
+    public static boolean notExecutable(String cmd) {
         return Stream.of(System.getenv("PATH").split(Pattern.quote(File.pathSeparator)))
                 .map(Paths::get)
-                .anyMatch(path -> Files.exists(path.resolve(cmd)));
+                .noneMatch(path -> Files.exists(path.resolve(cmd)));
     }