Refactoring work for more Java compatibility and static compilation.

bitbucket-pipelines.yml

@@ -1,5 +1,4 @@
-image: adoptopenjdk:8-openj9
+image: openjdk:8
-#image: openjdk:8
 
 pipelines:
   branches:

build.gradle

@@ -1,8 +1,6 @@
 plugins {
-    // Apply the groovy plugin to add support for Groovy
+    id 'java'
     id 'groovy'
-
-    // Apply the application plugin to add support for building a CLI application.
     id 'application'
 
     // Code coverage of tests
@@ -18,6 +16,9 @@ repositories {
 }
 
 dependencies {
+    implementation 'info.picocli:picocli:4.5.1'
+    annotationProcessor 'info.picocli:picocli-codegen:4.5.1'
+    implementation 'org.tomlj:tomlj:1.0.0'
     implementation 'org.codehaus.groovy:groovy-all:3.0.5'
     implementation 'com.squareup.okhttp3:okhttp:4.8.0'
     implementation 'org.influxdb:influxdb-java:2.19'
@@ -32,7 +33,7 @@ dependencies {
 }
 
 application {
-    mainClassName = 'biz.nellemann.hmci.App'
+    mainClassName = 'biz.nellemann.hmci.Main'
 }
 
 test {
@@ -68,7 +69,6 @@ ospackage {
 
 buildRpm {
     dependsOn startShadowScripts
-    //requires('java-1.8.0-openjdk-headless')
     os = LINUX
 }
 
@@ -77,7 +77,6 @@ buildDeb {
     requires('default-jre-headless')
 }
 
-
 jacoco {
     toolVersion = "0.8.5"
 }
@@ -103,22 +102,16 @@ jacocoTestCoverageVerification {
 }
 check.dependsOn jacocoTestCoverageVerification
 
-
-processResources.dependsOn.add("versionFile")
-versionFile {
-    // Path to the file to be written
-    file = new File(project.buildDir, 'resources/main/version.properties')
-}
-
 jar {
     manifest {
         attributes(
-            'Built-By'       : System.properties['user.name'],
-            'Build-Timestamp': new Date().format("yyyy-MM-dd'T'HH:mm:ss.SSSZ").toString(),
-            'Build-Revision' : versioning.info.commit,
             'Created-By'     : "Gradle ${gradle.gradleVersion}",
+            'Build-OS'       : "${System.properties['os.name']} ${System.properties['os.arch']} ${System.properties['os.version']}",
             'Build-Jdk'      : "${System.properties['java.version']} (${System.properties['java.vendor']} ${System.properties['java.vm.version']})",
-            'Build-OS'       : "${System.properties['os.name']} ${System.properties['os.arch']} ${System.properties['os.version']}"
+            'Build-User'     : System.properties['user.name'],
+            'Build-Version'  : versioning.info.tag ?: (versioning.info.branch + "-" + versioning.info.build),
+            'Build-Revision' : versioning.info.commit,
+            'Build-Timestamp': new Date().format("yyyy-MM-dd'T'HH:mm:ss.SSSZ").toString(),
         )
     }
 }

src/main/groovy/biz/nellemann/hmci/App.groovy

@@ -1,246 +0,0 @@
-/**
- *    Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- */
-package biz.nellemann.hmci
-
-import groovy.cli.picocli.CliBuilder
-import groovy.cli.picocli.OptionAccessor
-import groovy.util.logging.Slf4j
-
-@Slf4j
-class App implements Runnable {
-
-    final ConfigObject configuration
-    final Integer refreshEverySec
-    final Integer rescanHmcEvery
-
-    InfluxClient influxClient
-    Map<String, HmcClient> hmcClients = new HashMap<>()
-    Map<String,ManagedSystem> systems = new HashMap<String, ManagedSystem>()
-    Map<String, LogicalPartition> partitions = new HashMap<String, LogicalPartition>()
-
-
-    App(ConfigObject configuration) {
-        this.configuration = configuration
-        log.debug configuration.toString()
-
-        refreshEverySec = (Integer)configuration.get('hmci.refresh') ?: 60
-        rescanHmcEvery = (Integer)configuration.get('hmci.rescan') ?: 15
-
-        String influxUrl = configuration.get('influx')['url']
-        String influxUsername = configuration.get('influx')['username']
-        String influxPassword = configuration.get('influx')['password']
-        String influxDatabase = configuration.get('influx')['database']
-
-        try {
-            influxClient = new InfluxClient(influxUrl, influxUsername, influxPassword, influxDatabase)
-            influxClient.login()
-        } catch(Exception e) {
-            System.exit(1)
-        }
-
-        // Initial scan
-        discover()
-
-        run()
-    }
-
-
-    void discover() {
-
-        configuration.get('hmc').each { Object key, Object hmc ->
-            if(!hmcClients?.containsKey(key)) {
-                log.info("Adding HMC: " + hmc.toString())
-                String hmcKey = key
-                String hmcUrl = hmc['url']
-                String hmcUsername = hmc['username']
-                String hmcPassword = hmc['password']
-                Boolean hmcUnsafe = hmc['unsafe']
-                HmcClient hmcClient = new HmcClient(hmcKey, hmcUrl, hmcUsername, hmcPassword, hmcUnsafe)
-                hmcClients.put(hmcKey, hmcClient)
-            }
-        }
-
-        hmcClients.each { hmcId, hmcClient ->
-
-
-            try {
-                hmcClient.login()
-                hmcClient.getManagedSystems().each { systemId, system ->
-
-                    // Add to list of known systems
-                    systems.putIfAbsent(systemId, system)
-
-                    // Get LPAR's for this system
-                    hmcClient.getLogicalPartitionsForManagedSystem(system).each { partitionId, partition ->
-
-                        // Add to list of known partitions
-                        partitions.putIfAbsent(partitionId, partition)
-                    }
-                }
-            } catch(Exception e) {
-                log.error("discover() - " + hmcId + " error: " + e.message)
-                //hmcClients.remove(hmcId)
-            }
-
-        }
-
-    }
-
-
-    void getMetricsForSystems() {
-
-        try {
-
-            systems.each {systemId, system ->
-
-                HmcClient hmcClient = hmcClients.get(system.hmcId)
-
-                // Get and process metrics for this system
-                String tmpJsonString = hmcClient.getPcmDataForManagedSystem(system)
-                if(tmpJsonString && !tmpJsonString.empty) {
-                    system.processMetrics(tmpJsonString)
-                }
-
-            }
-
-        } catch(Exception e) {
-            log.error(e.message)
-        }
-
-    }
-
-
-    void getMetricsForPartitions() {
-
-        try {
-
-            // Get LPAR's for this system
-            partitions.each { partitionId, partition ->
-
-                HmcClient hmcClient = hmcClients.get(partition.system.hmcId)
-
-                // Get and process metrics for this partition
-                String tmpJsonString2 = hmcClient.getPcmDataForLogicalPartition(partition)
-                if(tmpJsonString2 && !tmpJsonString2.empty) {
-                    partition.processMetrics(tmpJsonString2)
-                }
-
-            }
-
-        } catch(Exception e) {
-            log.error(e.message)
-        }
-    }
-
-
-    void writeMetricsForManagedSystems() {
-        systems.each {systemId, system ->
-            influxClient.writeManagedSystem(system)
-        }
-    }
-
-
-    void writeMetricsForLogicalPartitions() {
-        partitions.each {partitionId, partition ->
-            influxClient.writeLogicalPartition(partition)
-        }
-    }
-
-
-    static String getVersion() {
-        URL url = getClass().getResource("/version.properties");
-        if (url == null) {
-            return "No version.txt file found in the classpath."
-        }
-        Properties properties = new Properties();
-        properties.load(url.openStream());
-        return properties.getProperty("VERSION_GRADLE") + "-" + properties.getProperty("VERSION_BUILD")
-    }
-
-
-    static void main(String... args) {
-
-        def cli = new CliBuilder(name: "hmci")
-        cli.h(longOpt: 'help', usageHelp: true, 'display usage information')
-        cli.v(longOpt: 'version', versionHelp: true, 'display version information')
-        cli.c(longOpt: 'config', args: 1, required: true, paramLabel: "FILE", defaultValue: '/etc/hmci.groovy', 'configuration file')
-
-        OptionAccessor options = cli.parse(args)
-        if (options.h) {
-            cli.usage()
-            return
-        }
-
-        if(options.v) {
-            println("Version " + getVersion())
-            return
-        }
-
-        ConfigObject configuration
-        if(options.c) {
-
-            File configurationFile = new File((String)options.config)
-            if(!configurationFile.exists()) {
-                println("Error - No configuration file found at: " + configurationFile.toString())
-                System.exit(1)
-            }
-
-            configuration = new ConfigSlurper("development").parse(configurationFile.toURI().toURL());
-        }
-
-        if(configuration == null || configuration.isEmpty()) {
-            println("Error - Empty or faulty configuration")
-            System.exit(1)
-        }
-
-        new App(configuration)
-    }
-
-
-    @Override
-    void run() {
-
-        log.debug("run()")
-
-        boolean keepRunning = true
-        int executions = 0
-
-        while(keepRunning) {
-
-            try {
-                getMetricsForSystems()
-                getMetricsForPartitions()
-
-                writeMetricsForManagedSystems()
-                writeMetricsForLogicalPartitions()
-                influxClient.writeBatchPoints()
-
-                // Refresh HMC's
-                if(executions > rescanHmcEvery) {
-                    executions = 0
-                    discover()
-                }
-            } catch(Exception e) {
-                log.error(e.message, e)
-            }
-
-            executions++
-            Thread.sleep(refreshEverySec * 1000)
-        }
-
-    }
-
-}

src/main/groovy/biz/nellemann/hmci/HmcClient.groovy

@@ -15,6 +15,9 @@
  */
 package biz.nellemann.hmci
 
+import biz.nellemann.hmci.Configuration.HmcObject
+import groovy.transform.CompileDynamic
+import groovy.transform.CompileStatic
 import groovy.util.logging.Slf4j
 import groovy.xml.XmlSlurper
 import okhttp3.MediaType
@@ -34,6 +37,7 @@ import java.security.cert.CertificateException
 import java.security.cert.X509Certificate;
 
 @Slf4j
+@CompileStatic
 class HmcClient {
 
     private final MediaType MEDIA_TYPE_IBM_XML_LOGIN = MediaType.parse("application/vnd.ibm.powervm.web+xml; type=LogonRequest");
@@ -48,18 +52,21 @@ class HmcClient {
     protected String authToken
     private final OkHttpClient client
 
-    HmcClient(String hmcId, String baseUrl, String username, String password, Boolean unsafe = false) {
+
-        this.hmcId = hmcId
+    HmcClient(HmcObject configHmc) {
-        this.baseUrl = baseUrl
+
-        this.username = username
+        this.hmcId = configHmc.name
-        this.password = password
+        this.baseUrl = configHmc.url
-        this.unsafe = unsafe
+        this.username = configHmc.username
+        this.password = configHmc.password
+        this.unsafe = configHmc.unsafe
 
         if(unsafe) {
             this.client = getUnsafeOkHttpClient()
         } else {
             this.client = new OkHttpClient()
         }
+
     }
 
 
@@ -69,12 +76,15 @@ class HmcClient {
      *
      * @throws IOException
      */
+    //@CompileDynamic
     void login(Boolean force = false) throws IOException {
 
         if(authToken && !force) {
             return
         }
 
+        log.info("Connecting to HMC - " + baseUrl);
+
         String payload = """\
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <LogonRequest xmlns="http://www.ibm.com/xmlns/systems/power/firmware/web/mc/2012_10/" schemaVersion="V1_0">
@@ -96,7 +106,7 @@ class HmcClient {
             if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
 
             // Get response body and parse
-            String responseBody = response.body.string()
+            String responseBody = response.body().string();
             response.body().close()
 
             def xml = new XmlSlurper().parseText(responseBody)
@@ -144,6 +154,7 @@ class HmcClient {
      *
      * @return
      */
+    @CompileDynamic
     Map<String, ManagedSystem> getManagedSystems() {
         URL url = new URL(String.format("%s/rest/api/uom/ManagedSystem", baseUrl))
         Response response = getResponse(url)
@@ -185,6 +196,7 @@ class HmcClient {
      * @param UUID of managed system
      * @return
      */
+    @CompileDynamic
     Map<String, LogicalPartition> getLogicalPartitionsForManagedSystem(ManagedSystem system) {
         URL url = new URL(String.format("%s/rest/api/uom/ManagedSystem/%s/LogicalPartition", baseUrl, system.id))
         Response response = getResponse(url)
@@ -225,6 +237,7 @@ class HmcClient {
      * @param systemId
      * @return
      */
+    @CompileDynamic
     String getPcmDataForManagedSystem(ManagedSystem system) {
         log.debug("getPcmDataForManagedSystem() - " + system.id)
         URL url = new URL(String.format("%s/rest/api/pcm/ManagedSystem/%s/ProcessedMetrics?NoOfSamples=1", baseUrl, system.id))
@@ -257,6 +270,7 @@ class HmcClient {
      * @param partitionId
      * @return
      */
+    @CompileDynamic
     String getPcmDataForLogicalPartition(LogicalPartition partition) {
 
         log.debug(String.format("getPcmDataForLogicalPartition() - %s @ %s", partition.id, partition.system.id))
@@ -305,6 +319,7 @@ class HmcClient {
      * @param url
      * @return
      */
+    //@CompileDynamic
     private Response getResponse(URL url, Integer retry = 0) {
 
         if(responseErrors > 2) {
@@ -324,18 +339,18 @@ class HmcClient {
         if (!response.isSuccessful()) {
             response.body().close()
 
-            if(response.code == 401) {
+            if(response.code() == 401) {
                 login(true)
                 return getResponse(url, retry++)
             }
 
             if(retry < 2) {
-                log.warn("getResponse() - Retrying due to unexpected response: " + response.code)
+                log.warn("getResponse() - Retrying due to unexpected response: " + response.code())
                 return getResponse(url, retry++)
             }
 
-            log.error("getResponse() - Unexpected response: " + response.code)
+            log.error("getResponse() - Unexpected response: " + response.code())
-            throw new IOException("getResponse() - Unexpected response: " + response.code)
+            throw new IOException("getResponse() - Unexpected response: " + response.code())
         };
 
         return response

src/main/groovy/biz/nellemann/hmci/InfluxClient.groovy

@@ -13,44 +13,54 @@
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */
-package biz.nellemann.hmci
+package biz.nellemann.hmci;
 
-import groovy.util.logging.Slf4j
+import biz.nellemann.hmci.Configuration.InfluxObject
-import org.influxdb.BatchOptions
+import groovy.transform.CompileStatic;
-import org.influxdb.InfluxDB
+import org.influxdb.BatchOptions;
-import org.influxdb.InfluxDBFactory
+import org.influxdb.InfluxDB;
-import org.influxdb.dto.BatchPoints
+import org.influxdb.InfluxDBFactory;
-import org.influxdb.dto.Point
+import org.influxdb.dto.BatchPoints;
-import org.influxdb.dto.Query
+import org.influxdb.dto.Point;
+import org.influxdb.dto.Query;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.time.Instant
-import java.util.concurrent.TimeUnit
+import java.util.concurrent.TimeUnit;
 
-@Slf4j
+@CompileStatic
 class InfluxClient {
 
-    final String url
+    private final static Logger log = LoggerFactory.getLogger(InfluxClient.class);
-    final String username
-    final String password
-    final String database
 
-    InfluxDB influxDB
+    final private String url;
-    BatchPoints batchPoints
+    final private String username;
+    final private String password;
+    final private String database;
+
+    private InfluxDB influxDB;
+    private BatchPoints batchPoints;
 
 
-    InfluxClient(String url, String username, String password, String database) {
+    InfluxClient(InfluxObject config) {
-        this.url = url
+        this.url = config.url;
-        this.username = username
+        this.username = config.username;
-        this.password = password
+        this.password = config.password;
-        this.database = database
+        this.database = config.database;
     }
 
 
-    void login() {
+    void login() throws Exception {
-        if(!influxDB) {
+
+        if(influxDB != null) {
+            return
+        }
+
         try {
+            log.info("Connecting to InfluxDB - " + url);
             influxDB = InfluxDBFactory.connect(url, username, password);
-                createDatabase()
+            createDatabase();
 
             // Enable batch writes to get better performance.
             //BatchOptions options = BatchOptions.DEFAULTS.actions(300).flushDuration(500);
@@ -60,16 +70,17 @@ class InfluxClient {
             batchPoints = BatchPoints.database(database).precision(TimeUnit.SECONDS).build();
 
         } catch(Exception e) {
-                log.error(e.message)
+            log.error(e.getMessage());
-                throw new Exception(e)
+            throw new Exception(e);
-            }
         }
     }
 
 
     void logoff() {
-        influxDB?.close();
+        if(influxDB != null) {
-        influxDB = null
+            influxDB.close();
+        }
+        influxDB = null;
     }
 
 
@@ -81,13 +92,13 @@ class InfluxClient {
 
 
     void writeBatchPoints() {
-        log.debug("writeBatchPoints()")
+        log.debug("writeBatchPoints()");
         try {
             influxDB.write(batchPoints);
         } catch(Exception e) {
-            log.error("writeBatchPoints() error - " + e.message)
+            log.error("writeBatchPoints() error - " + e.getMessage());
-            logoff()
+            logoff();
-            login()
+            login();
         }
     }
 
@@ -101,81 +112,81 @@ class InfluxClient {
     void writeManagedSystem(ManagedSystem system) {
 
         if(system.metrics == null) {
-            log.warn("writeManagedSystem() - null metrics, skipping")
+            log.warn("writeManagedSystem() - null metrics, skipping");
-            return
+            return;
         }
 
-        Instant timestamp = system.getTimestamp()
+        Instant timestamp = system.getTimestamp();
-        if(!timestamp) {
+        if(timestamp == null) {
-            log.warn("writeManagedSystem() - no timestamp, skipping")
+            log.warn("writeManagedSystem() - no timestamp, skipping");
-            return
+            return;
         }
 
         //BatchPoints batchPoints = BatchPoints.database(database).build();
 
-        getSystemMemory(system, timestamp).each {
+        getSystemMemory(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemProcessor(system, timestamp).each {
+        getSystemProcessor(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemSharedProcessorPools(system, timestamp).each {
+        getSystemSharedProcessorPools(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemSharedAdapters(system, timestamp).each {
+        getSystemSharedAdapters(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemFiberChannelAdapters(system, timestamp).each {
+        getSystemFiberChannelAdapters(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemGenericPhysicalAdapters(system, timestamp).each {
+        getSystemGenericPhysicalAdapters(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getSystemGenericVirtualAdapters(system, timestamp).each {
+        getSystemGenericVirtualAdapters(system, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
     }
 
 
     private static List<Point> getSystemMemory(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getMemoryMetrics()
+        List<Measurement> metrics = system.getMemoryMetrics();
-        return processMeasurementMap(metrics, timestamp, "SystemMemory")
+        return processMeasurementMap(metrics, timestamp, "SystemMemory");
     }
 
     private static List<Point> getSystemProcessor(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getProcessorMetrics()
+        List<Measurement> metrics = system.getProcessorMetrics();
-        return processMeasurementMap(metrics, timestamp, "SystemProcessor")
+        return processMeasurementMap(metrics, timestamp, "SystemProcessor");
     }
 
     private static List<Point> getSystemSharedProcessorPools(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getSharedProcessorPools()
+        List<Measurement> metrics = system.getSharedProcessorPools();
-        return processMeasurementMap(metrics, timestamp, "SystemSharedProcessorPool")
+        return processMeasurementMap(metrics, timestamp, "SystemSharedProcessorPool");
     }
 
     private static List<Point> getSystemSharedAdapters(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getSystemSharedAdapters()
+        List<Measurement> metrics = system.getSystemSharedAdapters();
-        return processMeasurementMap(metrics, timestamp, "SystemSharedAdapters")
+        return processMeasurementMap(metrics, timestamp, "SystemSharedAdapters");
     }
 
     private static List<Point> getSystemFiberChannelAdapters(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getSystemFiberChannelAdapters()
+        List<Measurement> metrics = system.getSystemFiberChannelAdapters();
-        return processMeasurementMap(metrics, timestamp, "SystemFiberChannelAdapters")
+        return processMeasurementMap(metrics, timestamp, "SystemFiberChannelAdapters");
     }
 
     private static List<Point> getSystemGenericPhysicalAdapters(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getSystemGenericPhysicalAdapters()
+        List<Measurement> metrics = system.getSystemGenericPhysicalAdapters();
-        return processMeasurementMap(metrics, timestamp, "SystemGenericPhysicalAdapters")
+        return processMeasurementMap(metrics, timestamp, "SystemGenericPhysicalAdapters");
     }
 
     private static List<Point> getSystemGenericVirtualAdapters(ManagedSystem system, Instant timestamp) {
-        List<Map> metrics = system.getSystemGenericVirtualAdapters()
+        List<Measurement> metrics = system.getSystemGenericVirtualAdapters();
-        return processMeasurementMap(metrics, timestamp, "SystemGenericVirtualAdapters")
+        return processMeasurementMap(metrics, timestamp, "SystemGenericVirtualAdapters");
     }
 
 
@@ -186,64 +197,64 @@ class InfluxClient {
     void writeLogicalPartition(LogicalPartition partition) {
 
         if(partition.metrics == null) {
-            log.warn("writeLogicalPartition() - null metrics, skipping")
+            log.warn("writeLogicalPartition() - null metrics, skipping");
-            return
+            return;
         }
 
-        Instant timestamp = partition.getTimestamp()
+        Instant timestamp = partition.getTimestamp();
-        if(!timestamp) {
+        if(timestamp == null) {
-            log.warn("writeLogicalPartition() - no timestamp, skipping")
+            log.warn("writeLogicalPartition() - no timestamp, skipping");
-            return
+            return;
         }
 
         //BatchPoints batchPoints = BatchPoints.database(database).build();
 
-        getPartitionAffinityScore(partition, timestamp).each {
+        getPartitionAffinityScore(partition, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getPartitionMemory(partition, timestamp).each {
+        getPartitionMemory(partition, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getPartitionProcessor(partition, timestamp).each {
+        getPartitionProcessor(partition, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getPartitionVirtualEthernetAdapter(partition, timestamp).each {
+        getPartitionVirtualEthernetAdapter(partition, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
-        getPartitionVirtualFiberChannelAdapter(partition, timestamp).each {
+        getPartitionVirtualFiberChannelAdapter(partition, timestamp).forEach( it -> {
-            batchPoints.point(it)
+            batchPoints.point(it);
-        }
+        });
 
         //influxDB.write(batchPoints);
     }
 
     private static List<Point> getPartitionAffinityScore(LogicalPartition partition, Instant timestamp) {
-        List<Map> metrics = partition.getAffinityScore()
+        List<Measurement> metrics = partition.getAffinityScore();
-        return processMeasurementMap(metrics, timestamp, "PartitionAffinityScore")
+        return processMeasurementMap(metrics, timestamp, "PartitionAffinityScore");
     }
 
     private static List<Point> getPartitionMemory(LogicalPartition partition, Instant timestamp) {
-        List<Map> metrics = partition.getMemoryMetrics()
+        List<Measurement> metrics = partition.getMemoryMetrics();
-        return processMeasurementMap(metrics, timestamp, "PartitionMemory")
+        return processMeasurementMap(metrics, timestamp, "PartitionMemory");
     }
 
     private static List<Point> getPartitionProcessor(LogicalPartition partition, Instant timestamp) {
-        List<Map> metrics = partition.getProcessorMetrics()
+        List<Measurement> metrics = partition.getProcessorMetrics();
-        return processMeasurementMap(metrics, timestamp, "PartitionProcessor")
+        return processMeasurementMap(metrics, timestamp, "PartitionProcessor");
     }
 
     private static List<Point> getPartitionVirtualEthernetAdapter(LogicalPartition partition, Instant timestamp) {
-        List<Map> metrics = partition.getVirtualEthernetAdapterMetrics()
+        List<Measurement> metrics = partition.getVirtualEthernetAdapterMetrics();
-        return processMeasurementMap(metrics, timestamp, "PartitionVirtualEthernetAdapters")
+        return processMeasurementMap(metrics, timestamp, "PartitionVirtualEthernetAdapters");
     }
 
     private static List<Point> getPartitionVirtualFiberChannelAdapter(LogicalPartition partition, Instant timestamp) {
-        List<Map> metrics = partition.getVirtualFiberChannelAdaptersMetrics()
+        List<Measurement> metrics = partition.getVirtualFiberChannelAdaptersMetrics();
-        return processMeasurementMap(metrics, timestamp, "PartitionVirtualFiberChannelAdapters")
+        return processMeasurementMap(metrics, timestamp, "PartitionVirtualFiberChannelAdapters");
     }
 
 
@@ -252,33 +263,34 @@ class InfluxClient {
         Shared
      */
 
-    private static List<Point> processMeasurementMap(List<Map> listOfMaps, Instant timestamp, String measurement) {
+    private static List<Point> processMeasurementMap(List<Measurement> measurements, Instant timestamp, String measurement) {
 
-        List<Point> list = new ArrayList<>()
+        List<Point> listOfPoints = new ArrayList<>();
-
+        measurements.forEach( m -> {
-        listOfMaps.each { map ->
 
             // Iterate fields
-            map.get("fields").each { String fieldName, BigDecimal fieldValue ->
+            //Map<String, BigDecimal> fieldsMap = m.get("fields");
+            m.fields.forEach((fieldName, fieldValue) ->  {
                 log.debug("processMeasurementMap() " + measurement + " - fieldName: " + fieldName + ", fieldValue: " + fieldValue)
 
                 Point.Builder builder = Point.measurement(measurement)
                         .time(timestamp.toEpochMilli(), TimeUnit.MILLISECONDS)
                         .tag("name", fieldName)
-                        .addField("value", fieldValue)
+                        .addField("value", fieldValue);
 
                 // For each field, we add all tags
-                map.get("tags").each { String tagName, String tagValue ->
+                //Map<String, String> tagsMap = m.get("tags");
-                    builder.tag(tagName, tagValue)
+                m.tags.forEach((tagName, tagValue) -> {
-                    log.debug("processMeasurementMap() " + measurement + " - tagName: " + tagName + ", tagValue: " + tagValue)
+                    builder.tag(tagName, tagValue);
-                }
+                    log.debug("processMeasurementMap() " + measurement + " - tagName: " + tagName + ", tagValue: " + tagValue);
+                });
 
-                list.add(builder.build())
+                listOfPoints.add(builder.build());
-            }
+            });
 
-        }
+        });
 
-        return list
+        return listOfPoints;
     }
 
 

src/main/groovy/biz/nellemann/hmci/Insights.groovy

@@ -0,0 +1,176 @@
+/**
+ *    Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+package biz.nellemann.hmci
+
+import groovy.transform.CompileStatic
+import groovy.util.logging.Slf4j;
+
+@Slf4j
+@CompileStatic
+class Insights {
+
+    final Configuration configuration;
+
+    InfluxClient influxClient;
+    Map<String, HmcClient> hmcClients = new HashMap<>();
+    Map<String,ManagedSystem> systems = new HashMap<String, ManagedSystem>();
+    Map<String, LogicalPartition> partitions = new HashMap<String, LogicalPartition>();
+
+
+    Insights(Configuration configuration) {
+        this.configuration = configuration;
+
+        try {
+            influxClient = new InfluxClient(configuration.influx);
+            influxClient.login();
+        } catch(Exception e) {
+            System.exit(1);
+        }
+
+        // Initial scan
+        discover();
+    }
+
+
+    void discover() {
+
+        configuration.hmc.forEach( configHmc -> {
+            if(!hmcClients?.containsKey(configHmc.name)) {
+                log.debug("Adding HMC: " + configHmc.toString())
+                HmcClient hmcClient = new HmcClient(configHmc)
+                hmcClients.put(configHmc.name, hmcClient)
+            }
+        });
+
+        hmcClients.forEach(( hmcId, hmcClient) -> {
+
+            try {
+                hmcClient.login()
+                hmcClient.getManagedSystems().each { systemId, system ->
+
+                    // Add to list of known systems
+                    systems.putIfAbsent(systemId, system)
+
+                    // Get LPAR's for this system
+                    hmcClient.getLogicalPartitionsForManagedSystem(system).forEach((partitionId, partition) -> {
+
+                        // Add to list of known partitions
+                        partitions.putIfAbsent(partitionId, partition)
+                    });
+                }
+            } catch(Exception e) {
+                log.error("discover() - " + hmcId + " error: " + e.message)
+                //hmcClients.remove(hmcId)
+            }
+
+        });
+
+    }
+
+
+    void getMetricsForSystems() {
+
+        try {
+
+            systems.forEach((systemId, system) -> {
+
+                HmcClient hmcClient = hmcClients.get(system.hmcId)
+
+                // Get and process metrics for this system
+                String tmpJsonString = hmcClient.getPcmDataForManagedSystem(system)
+                if(tmpJsonString && !tmpJsonString.empty) {
+                    system.processMetrics(tmpJsonString)
+                }
+
+            });
+
+        } catch(Exception e) {
+            log.error(e.message)
+        }
+
+    }
+
+
+    void getMetricsForPartitions() {
+
+        try {
+
+            // Get LPAR's for this system
+            partitions.forEach((partitionId, partition) -> {
+
+                HmcClient hmcClient = hmcClients.get(partition.system.hmcId)
+
+                // Get and process metrics for this partition
+                String tmpJsonString2 = hmcClient.getPcmDataForLogicalPartition(partition)
+                if(tmpJsonString2 && !tmpJsonString2.empty) {
+                    partition.processMetrics(tmpJsonString2)
+                }
+
+            });
+
+        } catch(Exception e) {
+            log.error(e.message)
+        }
+    }
+
+
+    void writeMetricsForManagedSystems() {
+        systems.forEach((systemId, system) -> {
+            influxClient.writeManagedSystem(system)
+        });
+    }
+
+
+    void writeMetricsForLogicalPartitions() {
+        partitions.each {partitionId, partition ->
+            influxClient.writeLogicalPartition(partition)
+        }
+    }
+
+
+    void run() {
+
+        log.debug("run()")
+
+        boolean keepRunning = true
+        int executions = 0
+
+        while(keepRunning) {
+
+            try {
+                getMetricsForSystems()
+                getMetricsForPartitions()
+
+                writeMetricsForManagedSystems()
+                writeMetricsForLogicalPartitions()
+                influxClient.writeBatchPoints()
+
+                // Refresh HMC's
+                if(executions > configuration.rescan) {
+                    executions = 0
+                    discover()
+                }
+            } catch(Exception e) {
+                log.error(e.message, e)
+            }
+
+            executions++
+            Thread.sleep(configuration.refresh * 1000)
+        }
+
+    }
+
+}

src/main/groovy/biz/nellemann/hmci/LogicalPartition.groovy

@@ -15,9 +15,12 @@
  */
 package biz.nellemann.hmci
 
+import groovy.transform.CompileDynamic
+import groovy.transform.CompileStatic
 import groovy.util.logging.Slf4j
 
 @Slf4j
+@CompileStatic
 class LogicalPartition extends MetaSystem {
 
     public String id
@@ -36,64 +39,68 @@ class LogicalPartition extends MetaSystem {
         return "[${id}] ${name} (${type})"
     }
 
+    @CompileDynamic
+    List<Measurement> getAffinityScore() {
 
-    List<Map> getAffinityScore() {
+        List<Measurement> list = new ArrayList<>()
-
+        //Map<String, Map> map = new HashMap<String, Map>()
-        List<Map> list = new ArrayList<>()
-        Map<String, Map> map = new HashMap<String, Map>()
 
         HashMap<String, String> tagsMap = [
             system: system.name,
             partition: name,
         ]
-        map.put("tags", tagsMap)
+        //map.put("tags", tagsMap)
         log.debug("getAffinityScore() - tags: " + tagsMap.toString())
 
         HashMap<String, BigDecimal> fieldsMap = [
             affinityScore: metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.affinityScore,
         ]
-        map.put("fields", fieldsMap)
+        //map.put("fields", fieldsMap)
         log.debug("getAffinityScore() - fields: " + fieldsMap.toString())
 
-        list.add(map)
+        Measurement measurement = new Measurement(tagsMap, fieldsMap);
+        list.add(measurement);
         return list
     }
 
 
-    List<Map> getMemoryMetrics() {
+    @CompileDynamic
+    List<Measurement> getMemoryMetrics() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
-        Map<String, Map> map = new HashMap<String, Map>()
+        //Map<String, Map> map = new HashMap<String, Map>()
 
         HashMap<String, String> tagsMap = [
                 system: system.name,
                 partition: name,
         ]
-        map.put("tags", tagsMap)
+        //map.put("tags", tagsMap)
         log.debug("getMemoryMetrics() - tags: " + tagsMap.toString())
 
         HashMap<String, BigDecimal> fieldsMap = [
                 logicalMem: metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.memory?.logicalMem?.first(),
                 backedPhysicalMem: metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.memory?.backedPhysicalMem?.first(),
         ]
-        map.put("fields", fieldsMap)
+        //map.put("fields", fieldsMap)
         log.debug("getMemoryMetrics() - fields: " + fieldsMap.toString())
 
-        list.add(map)
+        Measurement measurement = new Measurement(tagsMap, fieldsMap);
+        list.add(measurement);
+
         return list
     }
 
+    @CompileDynamic
+    List<Measurement> getProcessorMetrics() {
 
-    List<Map> getProcessorMetrics() {
+        List<Measurement> list = new ArrayList<>()
-
+        //Map<String, Map> map = new HashMap<String, Map>()
-        List<Map> list = new ArrayList<>()
-        Map<String, Map> map = new HashMap<String, Map>()
 
         HashMap<String, String> tagsMap = [
                 system: system.name,
                 partition: name,
         ]
-        map.put("tags", tagsMap)
+        //map.put("tags", tagsMap)
         log.debug("getProcessorMetrics() - tags: " + tagsMap.toString())
 
         HashMap<String, BigDecimal> fieldsMap = [
@@ -109,19 +116,21 @@ class LogicalPartition extends MetaSystem {
             timePerInstructionExecution: metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.processor?.timeSpentWaitingForDispatch?.first(),
             timeSpentWaitingForDispatch: metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.processor?.timePerInstructionExecution?.first(),
         ]
-        map.put("fields", fieldsMap)
+        //map.put("fields", fieldsMap)
         log.debug("getProcessorMetrics() - fields: " + fieldsMap.toString())
 
-        list.add(map)
+        Measurement measurement = new Measurement(tagsMap, fieldsMap);
+        list.add(measurement);
+
         return list
     }
 
+    @CompileDynamic
+    List<Measurement> getVirtualEthernetAdapterMetrics() {
 
-    List<Map> getVirtualEthernetAdapterMetrics() {
+        List<Measurement> list = new ArrayList<>()
-
-        List<Map> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.network?.virtualEthernetAdapters?.each {
-            Map<String, Map> map = new HashMap<String, Map>()
+            //Map<String, Map> map = new HashMap<String, Map>()
 
             HashMap<String, String> tagsMap = [
                     system: system.name,
@@ -131,7 +140,7 @@ class LogicalPartition extends MetaSystem {
                     vlanId: it.vlanId as String,
                     vswitchId: it.vswitchId as String,
             ]
-            map.put("tags", tagsMap)
+            //map.put("tags", tagsMap)
             log.debug("getVirtualEthernetAdapterMetrics() - tags: " + tagsMap.toString())
 
             HashMap<String, BigDecimal> fieldsMap = [
@@ -140,10 +149,11 @@ class LogicalPartition extends MetaSystem {
                     receivedBytes: it.receivedBytes.first(),
                     sentBytes: it.sentBytes.first(),
             ]
-            map.put("fields", fieldsMap)
+            //map.put("fields", fieldsMap)
             log.debug("getVirtualEthernetAdapterMetrics() - fields: " + fieldsMap.toString())
 
-            list.add(map)
+            Measurement measurement = new Measurement(tagsMap, fieldsMap);
+            list.add(measurement);
         }
 
         return list
@@ -151,11 +161,12 @@ class LogicalPartition extends MetaSystem {
 
 
     //PartitionVirtualFiberChannelAdapters
-    List<Map> getVirtualFiberChannelAdaptersMetrics() {
+    @CompileDynamic
+    List<Measurement> getVirtualFiberChannelAdaptersMetrics() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.lparsUtil?.first()?.storage?.virtualFiberChannelAdapters?.each {
-            Map<String, Map> map = new HashMap<String, Map>()
+            //Map<String, Map> map = new HashMap<String, Map>()
 
             HashMap<String, String> tagsMap = [
                     system: system.name,
@@ -163,7 +174,7 @@ class LogicalPartition extends MetaSystem {
                     viosId: it.viosId as String,
                     wwpn: it.wwpn,
             ]
-            map.put("tags", tagsMap)
+            //map.put("tags", tagsMap)
             log.debug("getVirtualFiberChannelAdaptersMetrics() - tags: " + tagsMap.toString())
 
             HashMap<String, BigDecimal> fieldsMap = [
@@ -171,10 +182,11 @@ class LogicalPartition extends MetaSystem {
                     writeBytes: it.writeBytes.first(),
                     readBytes: it.readBytes.first(),
             ]
-            map.put("fields", fieldsMap)
+            //map.put("fields", fieldsMap)
             log.debug("getVirtualFiberChannelAdaptersMetrics() - fields: " + fieldsMap.toString())
 
-            list.add(map)
+            Measurement measurement = new Measurement(tagsMap, fieldsMap);
+            list.add(measurement);
         }
 
         return list

src/main/groovy/biz/nellemann/hmci/Main.groovy

@@ -0,0 +1,59 @@
+/*
+   Copyright 2020 mark.nellemann@gmail.com
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+package biz.nellemann.hmci
+
+import groovy.transform.CompileStatic;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import picocli.CommandLine;
+import picocli.CommandLine.Command;
+import java.util.concurrent.Callable;
+
+@CompileStatic
+@Command(name = "hmci",
+    mixinStandardHelpOptions = true,
+    description = "HMC Insights.",
+    versionProvider = biz.nellemann.hmci.VersionProvider.class)
+public class Main implements Callable<Integer> {
+
+    private final static Logger log = LoggerFactory.getLogger(Main.class);
+
+    @CommandLine.Option(names = ["-c", "--conf"], description = "Configuration file [default: '/etc/hmci.toml'].")
+    private String configurationFile = "/etc/hmci.toml";
+
+    public static void main(String... args) {
+        int exitCode = new CommandLine(new Main()).execute(args);
+        System.exit(exitCode);
+    }
+
+
+    @Override
+    public Integer call() throws IOException {
+
+        File file = new File(configurationFile);
+        if(!file.exists()) {
+            System.err.println("Error - No configuration file found at: " + file.toString());
+            return -1;
+        }
+
+        Configuration configuration = new Configuration(configurationFile);
+        Insights insights = new Insights(configuration);
+        insights.run();
+
+        return 0;
+    }
+
+}

src/main/groovy/biz/nellemann/hmci/ManagedSystem.groovy

@@ -15,10 +15,13 @@
  */
 package biz.nellemann.hmci
 
+import groovy.transform.CompileDynamic
+import groovy.transform.CompileStatic
 import groovy.util.logging.Slf4j
 
 
 @Slf4j
+@CompileStatic
 class ManagedSystem extends MetaSystem {
 
     public final String hmcId
@@ -43,40 +46,46 @@ class ManagedSystem extends MetaSystem {
     }
 
 
-    List<Map> getMemoryMetrics() {
+    @CompileDynamic
+    List<Measurement> getMemoryMetrics() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
-        Map<String, Map> map = new HashMap<String, Map>()
+        //Map<String, Map> map = new HashMap<String, Map>()
 
         HashMap<String, String> tagsMap = [
                 system: name,
         ]
-        map.put("tags", tagsMap)
+        //map.put("tags", tagsMap)
         log.debug("getMemoryMetrics() - tags: " + tagsMap.toString())
 
-        HashMap<String, BigDecimal> fieldsMap = [
+        Map<String, BigDecimal> fieldsMap = [
-            totalMem: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.totalMem?.first(),
+            "totalMem": metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.totalMem?.first(),
-            availableMem: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.availableMem?.first(),
+            "availableMem": metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.availableMem?.first(),
-            configurableMem: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.configurableMem?.first(),
+            "configurableMem": metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.configurableMem?.first(),
-            assignedMemToLpars: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.assignedMemToLpars?.first(),
+            "assignedMemToLpars": metrics.systemUtil?.utilSamples?.first()?.serverUtil?.memory?.assignedMemToLpars?.first(),
         ]
-        map.put("fields", fieldsMap)
+
+        //map.put("fields", fieldsMap)
         log.debug("getMemoryMetrics() - fields: " + fieldsMap.toString())
 
-        list.add(map)
+        Measurement measurement = new Measurement(tagsMap, fieldsMap);
+        list.add(measurement)
+
         return list
     }
 
 
-    List<Map> getProcessorMetrics() {
+    @CompileDynamic
+    List<Measurement> getProcessorMetrics() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
-        Map<String, Map> map = new HashMap<String, Map>()
+        //Map<String, Map> map = new HashMap<>()
 
         HashMap<String, String> tagsMap = [
                 system: name,
         ]
-        map.put("tags", tagsMap)
+        //map.put("tags", tagsMap)
+        //measurement.tags = tagsMap;
         log.debug("getProcessorMetrics() - tags: " + tagsMap.toString())
 
         HashMap<String, BigDecimal> fieldsMap = [
@@ -85,55 +94,62 @@ class ManagedSystem extends MetaSystem {
             availableProcUnits: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.processor?.availableProcUnits?.first(),
             configurableProcUnits: metrics.systemUtil?.utilSamples?.first()?.serverUtil?.processor?.configurableProcUnits?.first(),
         ]
-        map.put("fields", fieldsMap)
+        //map.put("fields", fieldsMap)
+        //measurement.fields = fieldsMap;
         log.debug("getProcessorMetrics() - fields: " + fieldsMap.toString())
 
-        list.add(map)
+        Measurement measurement = new Measurement(tagsMap, fieldsMap);
+        list.add(measurement)
+
         return list
     }
 
 
-    List<Map> getSharedProcessorPools() {
+    @CompileDynamic
+    List<Measurement> getSharedProcessorPools() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.serverUtil?.sharedProcessorPool?.each {
-            Map<String, Map> map = new HashMap<String, Map>()
+            //Map<String, Map> map = new HashMap<String, Map>()
 
             HashMap<String, String> tagsMap = [
                     system: name,
                     pool: it.name,
             ]
-            map.put("tags", tagsMap)
+            //map.put("tags", tagsMap)
             log.debug("getSharedProcessorPools() - tags: " + tagsMap.toString())
 
             HashMap<String, BigDecimal> fieldsMap = [
                     assignedProcUnits: it.assignedProcUnits.first(),
                     availableProcUnits: it.availableProcUnits.first(),
             ]
-            map.put("fields", fieldsMap)
+            //map.put("fields", fieldsMap)
             log.debug("getSharedProcessorPools() - fields: " + fieldsMap.toString())
 
-            list.add(map)
+            Measurement measurement = new Measurement(tagsMap, fieldsMap);
-
+            list.add(measurement)
         }
 
         return list
     }
 
 
-    List<Map> getSystemSharedAdapters() {
+    @CompileDynamic
+    List<Measurement> getSystemSharedAdapters() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.viosUtil?.each {vios ->
             vios.network.sharedAdapters.each {
-                Map<String, Map> map = new HashMap<String, Map>()
+                //Map<String, Map> map = new HashMap<String, Map>()
+                Measurement measurement = new Measurement();
 
                 HashMap<String, String> tagsMap = [
                         system: name,
                         type: it.type,
                         vios: vios.name,
                 ]
-                map.put("tags", tagsMap)
+                //map.put("tags", tagsMap)
+                measurement.tags = tagsMap;
                 log.debug("getSystemSharedAdapters() - tags: " + tagsMap.toString())
 
                 HashMap<String, BigDecimal> fieldsMap = [
@@ -141,25 +157,27 @@ class ManagedSystem extends MetaSystem {
                         receivedBytes: it.receivedBytes.first(),
                         transferredBytes: it.transferredBytes.first(),
                 ]
-                map.put("fields", fieldsMap)
+                //map.put("fields", fieldsMap)
+                measurement.fields = fieldsMap;
                 log.debug("getSystemSharedAdapters() - fields: " + fieldsMap.toString())
 
-                list.add(map)
+                list.add(measurement)
             }
-
         }
 
         return list
     }
 
 
-    List<Map> getSystemFiberChannelAdapters() {
+    @CompileDynamic
+    List<Measurement> getSystemFiberChannelAdapters() {
 
-        List<Map> list = new ArrayList<>()
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.viosUtil?.each { vios ->
             log.debug("getSystemFiberChannelAdapters() - VIOS: " + vios.name)
             vios.storage?.fiberChannelAdapters?.each {
-                Map<String, Map> map = new HashMap<String, Map>()
+                //HashMap<String, Map> map = new HashMap<>()
+                Measurement measurement = new Measurement();
 
                 HashMap<String, String> tagsMap = [
                         id: it.id,
@@ -168,7 +186,8 @@ class ManagedSystem extends MetaSystem {
                         vios: vios.name,
                         device: it.physicalLocation,
                 ]
-                map.put("tags", tagsMap)
+                //map.put("tags", tagsMap)
+                measurement.tags = tagsMap;
                 log.debug("getSystemFiberChannelAdapters() - tags: " + tagsMap.toString())
 
                 HashMap<String, BigDecimal> fieldsMap = [
@@ -176,23 +195,25 @@ class ManagedSystem extends MetaSystem {
                         readBytes: it.readBytes.first(),
                         transmittedBytes: it.transmittedBytes.first(),
                 ]
-                map.put("fields", fieldsMap)
+                //map.put("fields", fieldsMap)
+                measurement.fields = fieldsMap;
                 log.debug("getSystemFiberChannelAdapters() - fields: " + fieldsMap.toString())
 
-                list.add(map)
+                list.add(measurement)
             }
-
         }
 
         return list
     }
 
 
-    List<Map> getSystemGenericPhysicalAdapters() {
+    @CompileDynamic
-        List<Map> list = new ArrayList<>()
+    List<Measurement> getSystemGenericPhysicalAdapters() {
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.viosUtil?.each { vios ->
             vios.storage?.genericPhysicalAdapters?.each {
-                Map<String, Map> map = new HashMap<String, Map>()
+                //Map<String, Map> map = new HashMap<String, Map>()
+                Measurement measurement = new Measurement();
 
                 HashMap<String, String> tagsMap = [
                     id: it.id,
@@ -200,7 +221,8 @@ class ManagedSystem extends MetaSystem {
                     vios: vios.name,
                     device: it.physicalLocation,
                 ]
-                map.put("tags", tagsMap)
+                //map.put("tags", tagsMap)
+                measurement.tags = tagsMap;
                 log.debug("getSystemGenericPhysicalAdapters() - tags: " + tagsMap.toString())
 
                 HashMap<String, BigDecimal> fieldsMap = [
@@ -208,24 +230,25 @@ class ManagedSystem extends MetaSystem {
                     readBytes: it.readBytes.first(),
                     transmittedBytes: it.transmittedBytes.first(),
                 ]
-                map.put("fields", fieldsMap)
+                //map.put("fields", fieldsMap)
+                measurement.fields = fieldsMap;
                 log.debug("getSystemGenericPhysicalAdapters() - fields: " + fieldsMap.toString())
 
-                list.add(map)
+                list.add(measurement)
-
             }
-
         }
 
         return list
     }
 
 
-    List<Map> getSystemGenericVirtualAdapters() {
+    @CompileDynamic
-        List<Map> list = new ArrayList<>()
+    List<Measurement> getSystemGenericVirtualAdapters() {
+        List<Measurement> list = new ArrayList<>()
         metrics.systemUtil?.utilSamples?.first()?.viosUtil?.each { vios ->
             vios.storage?.genericVirtualAdapters?.each {
-                Map<String, Map> map = new HashMap<String, Map>()
+                //Map<String, Map> map = new HashMap<String, Map>()
+                Measurement measurement = new Measurement();
 
                 HashMap<String, String> tagsMap = [
                     id: it.id,
@@ -233,7 +256,8 @@ class ManagedSystem extends MetaSystem {
                     vios: vios.name,
                     device: it.physicalLocation,
                 ]
-                map.put("tags", tagsMap)
+                //map.put("tags", tagsMap)
+                measurement.tags = tagsMap;
                 log.debug("getSystemGenericVirtualAdapters() - tags: " + tagsMap.toString())
 
                 HashMap<String, BigDecimal> fieldsMap = [
@@ -241,13 +265,12 @@ class ManagedSystem extends MetaSystem {
                     readBytes: it.readBytes.first(),
                     transmittedBytes: it.transmittedBytes.first(),
                 ]
-                map.put("fields", fieldsMap)
+                //map.put("fields", fieldsMap)
+                measurement.fields = fieldsMap;
                 log.debug("getSystemGenericVirtualAdapters() - fields: " + fieldsMap.toString())
 
-                list.add(map)
+                list.add(measurement);
-
             }
-
         }
 
         return list

src/main/groovy/biz/nellemann/hmci/MetaSystem.groovy

@@ -17,6 +17,8 @@ package biz.nellemann.hmci
 
 import biz.nellemann.hmci.pcm.PcmData
 import groovy.json.JsonSlurper
+import groovy.transform.CompileDynamic
+import groovy.transform.CompileStatic
 import groovy.util.logging.Slf4j
 
 import java.time.Instant
@@ -24,20 +26,22 @@ import java.time.format.DateTimeFormatter
 import java.time.format.DateTimeParseException
 
 @Slf4j
+@CompileStatic
 abstract class MetaSystem {
 
     protected PcmData metrics
 
+    @CompileDynamic
     void processMetrics(String json) {
-        def pcmMap = new JsonSlurper().parseText(json)
+        Map pcmMap = new JsonSlurper().parseText(json) as Map
-        metrics = new PcmData(pcmMap as Map)
+        metrics = new PcmData(pcmMap)
     }
 
-
+    @CompileDynamic
     Instant getTimestamp() {
 
         String timestamp = metrics.systemUtil.utilSamples.first().sampleInfo.timeStamp
-        Instant instant
+        Instant instant = null
         try {
             log.debug("getTimeStamp() - PMC Timestamp: " + timestamp)
             DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss[XXX][X]");

src/main/java/biz/nellemann/hmci/Configuration.java

@@ -0,0 +1,161 @@
+package biz.nellemann.hmci;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.tomlj.Toml;
+import org.tomlj.TomlParseResult;
+import org.tomlj.TomlTable;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Configuration {
+
+    private final static Logger log = LoggerFactory.getLogger(Configuration.class);
+
+    final public Long refresh;
+    final public Long rescan;
+    final public InfluxObject influx;
+    final public List<HmcObject> hmc;
+
+    Configuration(String configurationFile) throws IOException {
+
+        Path source = Paths.get(configurationFile);
+        TomlParseResult result = Toml.parse(source);
+        result.errors().forEach(error -> System.err.println(error.toString()));
+        //System.out.println(result.toJson());
+
+        if(result.contains("refresh")) {
+            refresh = result.getLong("refresh");
+        } else {
+            refresh = 15l;
+        }
+
+        if(result.contains("rescan")) {
+            rescan = result.getLong("rescan");
+        } else {
+            rescan = 60l;
+        }
+
+        hmc = getHmc(result);
+        influx = getInflux(result);
+
+    }
+
+
+    List<HmcObject> getHmc(TomlParseResult result) {
+
+        ArrayList<HmcObject> list = new ArrayList<>();
+
+        if(result.contains("hmc") && result.isTable("hmc")) {
+            TomlTable hmcTable = result.getTable("hmc");
+            for(String key : hmcTable.keySet()) {
+
+                HmcObject c = new HmcObject();
+                c.name = key;
+
+                if(hmcTable.contains(key+".url")) {
+                    c.url = hmcTable.getString(key+".url");
+                }
+
+                if(hmcTable.contains(key+".username")) {
+                    c.username = hmcTable.getString(key+".username");
+                }
+
+                if(hmcTable.contains(key+".password")) {
+                    c.password = hmcTable.getString(key+".password");
+                }
+
+                if(hmcTable.contains(key+".unsafe")) {
+                    c.unsafe = hmcTable.getBoolean(key+".unsafe");
+                } else {
+                    c.unsafe = false;
+                }
+
+                list.add(c);
+            }
+        }
+
+        return list;
+    }
+
+
+    InfluxObject getInflux(TomlParseResult result) {
+
+        InfluxObject c = new InfluxObject();
+
+        if(result.contains("influx")) {
+            TomlTable t = result.getTable("influx");
+
+            if(t != null && t.contains("url")) {
+                c.url = t.getString("url");
+            }
+
+            if(t != null && t.contains("username")) {
+                c.username = t.getString("username");
+            }
+
+            if(t != null && t.contains("password")) {
+                c.password = t.getString("password");
+            }
+
+            if(t != null && t.contains("database")) {
+                c.database = t.getString("database");
+            }
+
+        }
+
+        return c;
+    }
+
+
+    static class InfluxObject {
+
+        String url = "http://localhost:8086";
+        String username = "root";
+        String password = "";
+        String database = "hmci";
+
+        private boolean isValid = false;
+
+        Boolean isValid() {
+            return isValid();
+        }
+
+        // TODO: Fixme
+        void validate() {
+            isValid = true;
+        }
+
+    }
+
+
+    static class HmcObject {
+
+        String name;
+        String url;
+        String username;
+        String password;
+        Boolean unsafe;
+
+        private boolean isValid = false;
+
+        Boolean isValid() {
+            return isValid();
+        }
+
+        // TODO: Fixme
+        void validate() {
+            isValid = true;
+        }
+
+        @Override
+        public String toString() {
+            return name;
+        }
+    }
+
+}

src/main/java/biz/nellemann/hmci/Measurement.java

@@ -0,0 +1,17 @@
+package biz.nellemann.hmci;
+
+import java.util.Map;
+
+public class Measurement {
+
+    Map<String, String> tags;
+    Map<String, Number> fields;
+
+    Measurement() {
+    }
+
+    Measurement(Map<String, String> tags, Map<String, Number> fields) {
+        this.tags = tags;
+        this.fields = fields;
+    }
+}

src/main/java/biz/nellemann/hmci/VersionProvider.java

@@ -0,0 +1,19 @@
+package biz.nellemann.hmci;
+
+import picocli.CommandLine;
+
+import java.io.IOException;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+class VersionProvider implements CommandLine.IVersionProvider {
+
+    public String[] getVersion() throws IOException {
+
+        Manifest manifest = new Manifest(getClass().getResourceAsStream("/META-INF/MANIFEST.MF"));
+        Attributes attrs = manifest.getMainAttributes();
+
+        return new String[] { "${COMMAND-FULL-NAME} " + attrs.getValue("Build-Version") };
+    }
+
+}

src/main/resources/logback.xml

@@ -3,7 +3,7 @@
 
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
         <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
-            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{12} - %msg%n</pattern>
         </encoder>
     </appender>
 

src/test/groovy/biz/nellemann/hmci/ConfigurationTest.groovy

@@ -0,0 +1,30 @@
+package biz.nellemann.hmci
+
+import spock.lang.Specification
+
+
+class ConfigurationTest extends Specification {
+
+    String testConfigurationFile = new File(getClass().getResource('/hmci.toml').toURI()).absolutePath
+
+    void "test parsing"() {
+
+        when:
+        Configuration conf = new Configuration(testConfigurationFile);
+
+        then:
+        conf != null
+
+    }
+
+    void "test lookup influx"() {
+
+        when:
+        Configuration conf = new Configuration(testConfigurationFile);
+
+        then:
+        conf != null
+
+    }
+
+}

src/test/groovy/biz/nellemann/hmci/HmcClientTest.groovy

@@ -12,7 +12,12 @@ class HmcClientTest extends Specification {
 
     def setup() {
         mockServer.start();
-        hmc = new HmcClient("site", mockServer.url("/").toString(), "testUser", "testPassword")
+        Configuration.HmcObject configHmc = new Configuration.HmcObject()
+        configHmc.name = "site1"
+        configHmc.url = mockServer.url("/").toString()
+        configHmc.username = "testUser"
+        configHmc.password = "testPassword"
+        hmc = new HmcClient(configHmc)
         hmc.authToken = "blaBla"
     }
 

src/test/groovy/biz/nellemann/hmci/InsightsTest.groovy

@@ -5,6 +5,6 @@ package biz.nellemann.hmci
 
 import spock.lang.Specification
 
-class AppTest extends Specification {
+class InsightsTest extends Specification {
 
 }

src/test/groovy/biz/nellemann/hmci/LogicalPartitionTest.groovy

@@ -34,12 +34,12 @@ class LogicalPartitionTest extends Specification {
 
         when:
         lpar.processMetrics(testJson)
-        List<Map> listOfMaps = lpar.getMemoryMetrics()
+        List<Measurement> listOfMeasurements = lpar.getMemoryMetrics()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['logicalMem'] == 8192.000
+        listOfMeasurements.first().fields['logicalMem'] == 8192.000
-        listOfMaps.first().get("tags")['partition'] == '9Flash01'
+        listOfMeasurements.first().tags['partition'] == '9Flash01'
 
     }
 
@@ -53,12 +53,12 @@ class LogicalPartitionTest extends Specification {
 
         when:
         lpar.processMetrics(testJson)
-        List<Map> listOfMaps = lpar.getProcessorMetrics()
+        List<Measurement> listOfMeasurements = lpar.getProcessorMetrics()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['utilizedProcUnits'] == 0.001
+        listOfMeasurements.first().fields['utilizedProcUnits'] == 0.001
-        listOfMaps.first().get("tags")['partition'] == '9Flash01'
+        listOfMeasurements.first().tags['partition'] == '9Flash01'
 
     }
 
@@ -72,12 +72,12 @@ class LogicalPartitionTest extends Specification {
 
         when:
         lpar.processMetrics(testJson)
-        List<Map> listOfMaps = lpar.getVirtualEthernetAdapterMetrics()
+        List<Measurement> listOfMeasurements = lpar.getVirtualEthernetAdapterMetrics()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['receivedBytes'] == 276.467
+        listOfMeasurements.first().fields['receivedBytes'] == 276.467
-        listOfMaps.first().get("tags")['sea'] == 'ent5'
+        listOfMeasurements.first().tags['sea'] == 'ent5'
     }
 
     void "test getVirtualFiberChannelAdaptersMetrics"() {
@@ -90,12 +90,12 @@ class LogicalPartitionTest extends Specification {
 
         when:
         lpar.processMetrics(testJson)
-        List<Map> listOfMaps = lpar.getVirtualFiberChannelAdaptersMetrics()
+        List<Measurement> listOfMeasurements = lpar.getVirtualFiberChannelAdaptersMetrics()
 
         then:
-        listOfMaps.size() == 4
+        listOfMeasurements.size() == 4
-        listOfMaps.first().get("fields")['writeBytes'] == 6690.133
+        listOfMeasurements.first().fields['writeBytes'] == 6690.133
-        listOfMaps.first().get("tags")['viosId'] == '1'
+        listOfMeasurements.first().tags['viosId'] == '1'
 
     }
 

src/test/groovy/biz/nellemann/hmci/ManagedSystemTest.groovy

@@ -33,11 +33,11 @@ class ManagedSystemTest  extends Specification {
 
         when:
         system.processMetrics(testJson)
-        List<Map> listOfMaps = system.getMemoryMetrics()
+        List<Measurement> listOfMeasurements = system.getMemoryMetrics()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['totalMem'] == 1048576.000
+        listOfMeasurements.first().fields['totalMem'] == 1048576.000
     }
 
     void "test getProcessorMetrics"() {
@@ -49,11 +49,11 @@ class ManagedSystemTest  extends Specification {
 
         when:
         system.processMetrics(testJson)
-        List<Map> listOfMaps = system.getProcessorMetrics()
+        List<Measurement> listOfMeasurements = system.getProcessorMetrics()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['availableProcUnits'] == 16.000
+        listOfMeasurements.first().fields['availableProcUnits'] == 16.000
     }
 
     void "test getSystemSharedProcessorPools"() {
@@ -65,11 +65,11 @@ class ManagedSystemTest  extends Specification {
 
         when:
         system.processMetrics(testJson)
-        List<Map> listOfMaps = system.getSharedProcessorPools()
+        List<Measurement> listOfMeasurements = system.getSharedProcessorPools()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['assignedProcUnits'] == 23.767
+        listOfMeasurements.first().fields['assignedProcUnits'] == 23.767
     }
 
     void "test VIOS data"() {
@@ -80,11 +80,11 @@ class ManagedSystemTest  extends Specification {
 
         when:
         system.processMetrics(testJson)
-        List<Map> listOfMaps = system.getSharedProcessorPools()
+        List<Measurement> listOfMeasurements = system.getSharedProcessorPools()
 
         then:
-        listOfMaps.size() == 1
+        listOfMeasurements.size() == 1
-        listOfMaps.first().get("fields")['assignedProcUnits'] == 23.767
+        listOfMeasurements.first().fields['assignedProcUnits'] == 23.767
     }
 
 }

src/test/resources/hmci.toml

@@ -0,0 +1,32 @@
+# HMCi Configuration
+
+# How often to query HMC's for data - in seconds
+hmci.refresh = 30
+
+# Rescan HMC's for new systems and partitions - every x refresh
+hmci.rescan = 60
+
+# InfluxDB to save metrics
+[influx]
+url = "http://localhost:8086"
+username = "root"
+password = ""
+database = "hmci"
+
+
+# One or more HMC's to query for data and metrics
+[hmc]
+
+    # HMC on our primary site
+    [hmc.site1]
+    url = "https://10.10.10.10:12443"
+    username = "hmci"
+    password = "hmcihmci"
+    unsafe = true   # Ignore SSL cert. errors
+
+    # Example
+    #[hmc.site2]
+    #url = "https://10.10.20.20:12443"
+    #username = "viewer"
+    #password = "someSecret"
+    #unsafe = false