integrate helm-chart-generator to runtime api

Issue-ID: DCAEGEN2-2694
Issue-ID: DCAEGEN2-2805
Change-Id: I1b7d1bd7d2254280e0faa561e49223357c615090
Signed-off-by: Dhrumin Desai <dd303q@att.com>

5 files changed, 666 insertions, 7 deletions

diff --git a/mod/runtimeapi/runtime-core/pom.xml b/mod/runtimeapi/runtime-core/pom.xml
index 5514cc9..ff22a58 100644
--- a/mod/runtimeapi/runtime-core/pom.xml
+++ b/mod/runtimeapi/runtime-core/pom.xml
@@ -25,12 +25,12 @@ limitations under the License.
     <parent>
         <artifactId>runtimeapi</artifactId>
         <groupId>org.onap.dcaegen2.platform.mod</groupId>
-        <version>1.2.3</version>
+        <version>1.3.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>runtime-core</artifactId>
-    <version>1.2.3</version>
+    <version>1.3.0</version>
 
     <dependencies>
         <dependency>
@@ -48,11 +48,11 @@ limitations under the License.
             <artifactId>blueprint-generator-onap</artifactId>
             <version>1.7.3</version>
         </dependency>
-	<dependency>
-		<groupId>org.json</groupId>
-		<artifactId>json</artifactId>
-		<version>20190722</version>
-	</dependency>
+        <dependency>
+            <groupId>org.onap.dcaegen2.platform</groupId>
+            <artifactId>helmchartgenerator-core</artifactId>
+            <version>1.0.1-SNAPSHOT</version>
+        </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
diff --git a/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClient.java b/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClient.java
new file mode 100644
index 0000000..cc5fdca
--- /dev/null
+++ b/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClient.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcae.runtime.core.helm;
+
+import java.io.File;
+
+public interface HelmChartGeneratorClient {
+
+    File generateHelmChart(String componentSpec);
+
+    void distribute(File helmChart);
+}
diff --git a/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImpl.java b/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImpl.java
new file mode 100644
index 0000000..49ca3de
--- /dev/null
+++ b/mod/runtimeapi/runtime-core/src/main/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImpl.java
@@ -0,0 +1,112 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcae.runtime.core.helm;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.onap.dcaegen2.platform.helmchartgenerator.chartbuilder.ChartBuilder;
+import org.onap.dcaegen2.platform.helmchartgenerator.distribution.ChartDistributor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+
+/**
+ * Implementation class for Helm Chart Generator Client
+ */
+@Slf4j
+@Component
+@ComponentScan(basePackages = "org.onap.dcaegen2.platform.helmchartgenerator")
+public class HelmChartGeneratorClientImpl implements HelmChartGeneratorClient {
+
+    @Autowired
+    private final ChartBuilder chartBuilder;
+
+    @Autowired
+    private final ChartDistributor distributor;
+
+    @Value("${helm.base.chart.template.location}")
+    private String templateLocation;
+
+    public HelmChartGeneratorClientImpl(ChartBuilder chartBuilder, ChartDistributor distributor) {
+        this.chartBuilder = chartBuilder;
+        this.distributor = distributor;
+    }
+
+    /**
+     * Generate Helm Chart for a component spec
+     * @param componentSpec component spec as String
+     * @return packaged helm chart
+     */
+    @Override
+    public File generateHelmChart(String componentSpec){
+        try {
+            return chartBuilder.build(createTempSpecFile(componentSpec),templateLocation,
+                    createTempChartOutputLocation(), "");
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+            throw new RuntimeException("Error while generating the helm chart.");
+        }
+    }
+
+    private String createTempChartOutputLocation() {
+        try {
+            return Files.createTempDirectory("chart").toAbsolutePath().toString();
+        } catch (IOException e) {
+            log.error(e.getMessage(), e);
+            throw new RuntimeException("Error creating a temporary chart dir.");
+        }
+    }
+
+    private String createTempSpecFile(String componentSpec) throws IOException{
+            File tmpFile = File.createTempFile("spec",".json");
+        try (FileWriter writer = new FileWriter(tmpFile)) {
+            writer.write(componentSpec);
+        }
+        return tmpFile.getAbsolutePath();
+    }
+
+    /**
+     * Distributes helm chart to Chart Museum
+     * @param helmChart packaged chart location
+     */
+    @Override
+    public void distribute(File helmChart) {
+        try {
+            distributor.distribute(helmChart);
+        }catch (Exception e){
+            throw e;
+        } finally {
+            removeChartLocally(helmChart);
+        }
+    }
+
+    private void removeChartLocally(File helmChart) {
+        try {
+            FileUtils.forceDelete(helmChart);
+        } catch (IOException e) {
+            log.warn("Could not delete a temporary helm chart " + helmChart.getName());
+        }
+    }
+}
diff --git a/mod/runtimeapi/runtime-core/src/test/data/compspecs/vesWithDb.json b/mod/runtimeapi/runtime-core/src/test/data/compspecs/vesWithDb.json
new file mode 100644
index 0000000..207be6d
--- /dev/null
+++ b/mod/runtimeapi/runtime-core/src/test/data/compspecs/vesWithDb.json
@@ -0,0 +1,452 @@
+{
+  "self": {
+    "version": "1.8.0",
+    "name": "dcae-ves-collector",
+    "description": "Collector for receiving VES events through restful interface",
+    "component_type": "docker"
+  },
+  "streams": {
+    "subscribes": [],
+    "publishes": [
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-fault"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-measurement"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-syslog"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-heartbeat"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-other"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-mobileflow"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-statechange"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-thresholdCrossingAlert"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-voicequality"
+      },
+      {
+        "format": "VES_specification",
+        "version": "5.28.4",
+        "type": "message router",
+        "config_key": "ves-sipsignaling"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-pnfRegistration"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-notification"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-perf3gpp"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-3gpp-fault-supervision"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-3gpp-provisioning"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-3gpp-heartbeat"
+      },
+      {
+        "format": "VES_specification",
+        "version": "7.30.2",
+        "type": "message router",
+        "config_key": "ves-3gpp-performance-assurance"
+      }
+    ]
+  },
+  "services": {
+    "calls": [],
+    "provides": [
+      {
+        "route": "/eventListener/v1",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "4.27.2"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      },
+      {
+        "route": "/eventListener/v2",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "4.27.2"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      },
+      {
+        "route": "/eventListener/v3",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "4.27.2"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      },
+      {
+        "route": "/eventListener/v4",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "4.27.2"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      },
+      {
+        "route": "/eventListener/v5",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "5.28.4"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      },
+      {
+        "route": "/eventListener/v7",
+        "verb": "POST",
+        "request": {
+          "format": "VES_specification",
+          "version": "7.30.2"
+        },
+        "response": {
+          "format": "ves.coll.response",
+          "version": "1.0.0"
+        }
+      }
+    ]
+  },
+  "parameters": [
+    {
+      "name": "streams_publishes",
+      "value": {
+        "ves-fault": {
+          "dmaap_info": {
+            "topic_url": "http://message-router:3904/events/unauthenticated.SEC_FAULT_OUTPUT"
+          },
+          "type": "message_router"
+        }
+      },
+      "description": "standard http port collector will open for listening;",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    }
+  ,
+    {
+      "name": "collector.service.port",
+      "value": 8080,
+      "description": "standard http port collector will open for listening;",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.service.secure.port",
+      "value": 8443,
+      "description": "secure http port collector will open for listening ",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": true
+    },
+    {
+      "name": "collector.keystore.file.location",
+      "value": "/opt/app/dcae-certificate/cert.jks",
+      "description": "fs location of keystore file in vm",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.keystore.passwordfile",
+      "value": "/opt/app/dcae-certificate/jks.pass",
+      "description": "location of keystore password file in vm",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.truststore.file.location",
+      "value": "/opt/app/dcae-certificate/trust.jks",
+      "description": "fs location of truststore file in vm",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.truststore.passwordfile",
+      "value": "/opt/app/dcae-certificate/trust.pass",
+      "description": "location of truststore password file in vm",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.dmaap.streamid",
+      "value": "fault=ves-fault|syslog=ves-syslog|heartbeat=ves-heartbeat|measurementsForVfScaling=ves-measurement|mobileFlow=ves-mobileflow|other=ves-other|stateChange=ves-statechange|thresholdCrossingAlert=ves-thresholdCrossingAlert|voiceQuality=ves-voicequality|sipSignaling=ves-sipsignaling|notification=ves-notification|pnfRegistration=ves-pnfRegistration|3GPP-FaultSupervision=ves-3gpp-fault-supervision|3GPP-Heartbeat=ves-3gpp-heartbeat|3GPP-Provisioning=ves-3gpp-provisioning|3GPP-PerformanceAssurance=ves-3gpp-performance-assurance",
+      "description": "domain-to-streamid mapping used by VESCollector to distributes events based on domain. Both primary and secondary config_key are included for resilency (multiple streamid can be included commma separated). The streamids MUST match to topic config_keys. For single site without resiliency deployment - configkeys with -secondary suffix can be removed",
+      "sourced_at_deployment": true,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "auth.method",
+      "value": "noAuth",
+      "description": "Property to manage application mode, possible configurations: noAuth - default option - no security (http) , certOnly - auth by certificate (https), basicAuth - auth by basic auth username and password (https),certBasicAuth - auth by certificate and basic auth username / password (https),",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "header.authlist",
+      "value": "sample1,$2a$10$pgjaxDzSuc6XVFEeqvxQ5u90DKJnM/u7TJTcinAlFJVaavXMWf/Zi|userid1,$2a$10$61gNubgJJl9lh3nvQvY9X.x4e5ETWJJ7ao7ZhJEvmfJigov26Z6uq|userid2,$2a$10$G52y/3uhuhWAMy.bx9Se8uzWinmbJa.dlm1LW6bYPdPkkywLDPLiy",
+      "description": "List of id and base 64 encoded password.For each onboarding VNF - unique userid and password should be assigned and communicated to VNF owner. Password value should be base64 encoded in config here",
+      "policy_editable": false,
+      "sourced_at_deployment": true,
+      "designer_editable": true
+    },
+    {
+      "name": "collector.schema.checkflag",
+      "value": 1,
+      "description": "Schema check validation flag. When enabled, collector will validate input VES events against VES Schema defined on collector.schema.file ",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.schema.file",
+      "value": "{\"v1\":\"./etc/CommonEventFormat_27.2.json\",\"v2\":\"./etc/CommonEventFormat_27.2.json\",\"v3\":\"./etc/CommonEventFormat_27.2.json\",\"v4\":\"./etc/CommonEventFormat_27.2.json\",\"v5\":\"./etc/CommonEventFormat_28.4.1.json\",\"v7\":\"./etc/CommonEventFormat_30.2.1_ONAP.json\"}",
+      "description": "VES schema file name per version used for validation",
+      "designer_editable": true,
+      "sourced_at_deployment": false,
+      "policy_editable": false
+    },
+    {
+      "name": "event.transform.flag",
+      "value": 1,
+      "description": "flag to enable tranformation rules defined under eventTransform.json; this is applicable when event tranformation rules preset should be activated for transforming <VES5.4 events to 5.4",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "tomcat.maxthreads",
+      "value": "200",
+      "description": "Tomcat control for concurrent request",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.externalSchema.checkflag",
+      "value": 1,
+      "description": "Schema stndDefined validation flag. When enabled, collector will validate stndDefined fields in stndDefined domain events against mapped local schemas listed in file from property collector.externalSchema.mappingFileLocation.",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": true
+    },
+    {
+      "name": "collector.externalSchema.schemasLocation",
+      "value": "./etc/externalRepo/",
+      "description": "External schemas repository. Path to schemas storage directory.",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.externalSchema.mappingFileLocation",
+      "value": "./etc/externalRepo/schema-map.json",
+      "description": "Path to JSON file containing mapping of externally located stndDefined schemas to local schema files.",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "event.externalSchema.schemaRefPath",
+      "value": "$.event.stndDefinedFields.schemaReference",
+      "description": "An internal path from validated JSON. Defines which field is taken as public schema reference, which is later mapped.",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "event.externalSchema.stndDefinedDataPath",
+      "value": "$.event.stndDefinedFields.data",
+      "description": "An internal path from validated JSON. Defines which field of event will be validated during stndDefined validation.",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    },
+    {
+      "name": "collector.description.api.version.location",
+      "value": "etc/api_version_description.json",
+      "description": "Path to the file containing description of api versions",
+      "sourced_at_deployment": false,
+      "policy_editable": false,
+      "designer_editable": false
+    }
+  ],
+  "auxilary": {
+    "helm": {
+      "applicationEnv": {
+        "PMSH_PG_URL": "dcae-pmsh-pg-primary",
+        "PMSH_PG_USERNAME": {
+          "secretUid": "pgUserCredsSecretUid",
+          "key": "login"
+        },
+        "PMSH_PG_PASSWORD": {
+          "secretUid": "pgUserCredsSecretUid",
+          "key": "password"
+        }
+      },
+      "service": {
+        "type": "NodePort",
+        "name": "dcae-ves-collector",
+        "has_internal_only_ports": true,
+        "ports": [
+          {
+            "name": "http",
+            "port": 8443,
+            "plain_port": 8080,
+            "port_protocol": "http",
+            "nodePort": 17,
+            "useNodePortExt": true
+          },
+          {
+            "name": "metrics",
+            "port": 4444,
+            "internal_only": true
+          }
+        ]
+      }
+    },
+    "healthcheck": {
+      "type": "http",
+      "interval": "15s",
+      "timeout": "1s",
+      "endpoint": "/healthcheck",
+      "port": 8080,
+      "initialDelaySeconds": 5
+    },
+    "volumes": [{
+      "config_volume": {
+        "name": "dcae-external-repo-configmap-schema-map"
+      },
+      "container": {
+        "bind": "/opt/app/VESCollector/etc/externalRepo/"
+      }
+    }, {
+      "config_volume": {
+        "name": "dcae-external-repo-configmap-sa88-rel16"
+      },
+      "container": {
+        "bind": "/opt/app/VESCollector/etc/externalRepo/3gpp/rep/sa5/MnS/blob/SA88-Rel16/OpenAPI/"
+      }
+    }],
+    "ports": [
+      "8080:0",
+      "8443:0"
+    ],
+    "log_info": {
+      "log_directory": "/opt/app/VESCollector/logs/"
+    },
+    "tls_info":{
+      "cert_directory":"/opt/app/dcae-certificate/",
+      "use_tls": true,
+      "use_external_tls": true
+    }
+  },
+  "policy_info":{
+    "policy":[
+      {
+        "node_label":"tca_policy_00",
+        "policy_model_id":"onap.policies.monitoring.cdap.tca.hi.lo.app",
+        "policy_id":"tca_policy_id_10"
+      },
+      {
+        "node_label":"tca_policy_11",
+        "policy_id":"tca_policy_id_11",
+        "policy_model_id":"onap.policies.monitoring.cdap.tca.hi.lo.app"
+      }
+    ]
+  },
+  "artifacts": [
+    {
+      "type": "docker image",
+      "uri": "nexus3.onap.org:10001/onap/org.onap.dcaegen2.collectors.ves.vescollector:latest"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/mod/runtimeapi/runtime-core/src/test/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImplTest.java b/mod/runtimeapi/runtime-core/src/test/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImplTest.java
new file mode 100644
index 0000000..da58550
--- /dev/null
+++ b/mod/runtimeapi/runtime-core/src/test/java/org/onap/dcae/runtime/core/helm/HelmChartGeneratorClientImplTest.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcae.runtime.core.helm;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.onap.dcaegen2.platform.helmchartgenerator.chartbuilder.ChartBuilder;
+import org.onap.dcaegen2.platform.helmchartgenerator.distribution.ChartDistributor;
+
+import java.io.File;
+import java.nio.file.Files;
+
+import static org.mockito.ArgumentMatchers.any;
+
+@RunWith(MockitoJUnitRunner.class)
+public class HelmChartGeneratorClientImplTest {
+
+    @Mock
+    private ChartBuilder chartBuilder;
+
+    @Mock
+    private ChartDistributor distributor;
+
+    private HelmChartGeneratorClientImpl client;
+
+    private File mockChartFile;
+
+    @Before
+    public void setUp() throws Exception {
+        client = new HelmChartGeneratorClientImpl(chartBuilder, distributor);
+        mockChartFile = Files.createTempFile("chart", ".tgz").toFile();
+    }
+
+    @Test
+    public void testGenerateHelmChart() throws Exception{
+        client.generateHelmChart("someSpec");
+        Mockito.verify(chartBuilder, Mockito.times(1)).build(any(), any(), any(), any());
+    }
+
+    @Test
+    public void testDistribute() throws Exception{
+        client.distribute(mockChartFile);
+        Mockito.verify(distributor, Mockito.times(1)).distribute(mockChartFile);
+    }
+
+}