Do not check health of shared containers

Author: LEDfan

src/main/java/eu/openanalytics/containerproxy/backend/dispatcher/DefaultProxyDispatcher.java

@@ -84,4 +84,9 @@ public boolean isProxyHealthy(Proxy proxy) {
         return containerBackend.isProxyHealthy(proxy);
     }
 
+    @Override
+    public boolean isProxyHealthySupported() {
+        return true;
+    }
+
 }

src/main/java/eu/openanalytics/containerproxy/backend/dispatcher/IProxyDispatcher.java

@@ -49,4 +49,6 @@ default void stopProxy(Proxy proxy) throws ContainerProxyException {
     Proxy addRuntimeValuesAfterSpel(Authentication user, ProxySpec spec, Proxy proxy);
 
     boolean isProxyHealthy(Proxy proxy);
+
+    boolean isProxyHealthySupported();
 }

src/main/java/eu/openanalytics/containerproxy/backend/dispatcher/proxysharing/ProxySharingDispatcher.java

@@ -226,6 +226,11 @@ public boolean isProxyHealthy(Proxy proxy) {
         return true;
     }
 
+    @Override
+    public boolean isProxyHealthySupported() {
+        return false;
+    }
+
     @EventListener
     public void onSeatAvailableEvent(SeatAvailableEvent event) {
         if (!Objects.equals(event.getSpecId(), proxySpec.getId())) {

src/main/java/eu/openanalytics/containerproxy/service/ProxyService.java

@@ -444,14 +444,16 @@ public Command resumeProxy(Authentication user, Proxy proxy, Map<String, String>
     }
 
     public boolean isProxyHealthy(Proxy proxy) {
-        for (int i = 0; i < 5; i++) {
-            if (!proxyDispatcherService.getDispatcher(proxy.getSpecId()).isProxyHealthy(proxy)) {
-                return false;
-            }
-            try {
-                // wait for events to propagate
-                Thread.sleep(1_000);
-            } catch (InterruptedException ignored) {
+        if (proxyDispatcherService.getDispatcher(proxy.getSpecId()).isProxyHealthySupported()) {
+            for (int i = 0; i < 5; i++) {
+                if (!proxyDispatcherService.getDispatcher(proxy.getSpecId()).isProxyHealthy(proxy)) {
+                    return false;
+                }
+                try {
+                    // wait for events to propagate
+                    Thread.sleep(1_000);
+                } catch (InterruptedException ignored) {
+                }
             }
         }
         if (proxy.getTargets().isEmpty()) {