Fixed intermittent failures in MonExporter due failure to download webapp war file (#2625)

* Fixed intermittent failures in MonExporter due failure to download webapp war file

Author: marinakog

integration-tests/src/test/java/oracle/weblogic/kubernetes/assertions/impl/Kubernetes.java

@@ -664,16 +664,20 @@ public static boolean isDeploymentReady(String deploymentName,
     boolean status = false;
     V1Deployment deployment = getDeployment(deploymentName, label, namespace);
 
-    V1DeploymentCondition v1DeploymentRunningCondition  = Optional.ofNullable(deployment)
+    List<V1DeploymentCondition> deplList = Optional.ofNullable(deployment)
         .map(V1Deployment::getStatus).map(V1DeploymentStatus::getConditions)
-        .orElse(null).stream()
-        .filter(v1DeploymentCondition -> "Available".equals(v1DeploymentCondition.getType()))
-        .findAny()
         .orElse(null);
-    if (v1DeploymentRunningCondition != null) {
-      status = v1DeploymentRunningCondition.getStatus().equalsIgnoreCase("true");
-    } else {
-      getLogger().info("Can't check deployment status");
+    if (deplList != null) {
+      V1DeploymentCondition v1DeploymentRunningCondition = deplList.stream()
+          .filter(v1DeploymentCondition -> "Available".equals(v1DeploymentCondition.getType()))
+          .findAny()
+          .orElse(null);
+
+      if (v1DeploymentRunningCondition != null) {
+        status = v1DeploymentRunningCondition.getStatus().equalsIgnoreCase("true");
+      } else {
+        getLogger().info("Can't check deployment status");
+      }
     }
     return status;
   }

integration-tests/src/test/java/oracle/weblogic/kubernetes/utils/MonitoringUtils.java

@@ -134,20 +134,28 @@ public static void downloadMonitoringExporterApp(String configFile, String appli
             .command(command))
         .execute(), "Failed to download monitoring exporter webapp");
 
-    command = String.format("cd %s && %s  %s",
+    String command1 = String.format("cd %s && %s  %s",
         applicationDir,
         monitoringExporterBuildFile,
         configFile);
-    assertTrue(new Command()
-        .withParams(new CommandParams()
-            .command(command))
-        .execute(), "Failed to build monitoring exporter webapp");
+
+    testUntil(
+        (() -> new Command()
+          .withParams(
+              new CommandParams()
+              .verbose(true)
+              .command(command1))
+          .executeAndVerify("adding: config.yml")
+        ),
+        logger,
+        "Downloading monitoring exporter webapp");
+
     assertDoesNotThrow(() -> checkFile(applicationDir + "/wls-exporter.war"),
         "Monitoring Exporter web application file was not found");
   }
 
   /**
-   * Build monitoring exporter web applicaiont wls-exporter.war with provided configuration
+ * Build monitoring exporter web applicaiont wls-exporter.war with provided configuration
    * @param monitoringExporterSrcDir directory containing github monitoring exporter
    * @param configFile configuration file for weblogic domain monitoring
    * @param appDir directory where war file will be created