allow deploy to specify port index for healthchecks and LB api

SingularityBase/src/main/java/com/hubspot/singularity/SingularityDeploy.java

@@ -46,6 +46,7 @@ public class SingularityDeploy {
   private final Optional<String> healthcheckUri;
   private final Optional<Long> healthcheckIntervalSeconds;
   private final Optional<Long> healthcheckTimeoutSeconds;
+  private final Optional<Integer> healthcheckPortIndex;
   private final Optional<Boolean> skipHealthchecksOnDeploy;
   private final Optional<HealthcheckProtocol> healthcheckProtocol;
 
@@ -58,6 +59,7 @@ public class SingularityDeploy {
 
   private final Optional<String> serviceBasePath;
   private final Optional<Set<String>> loadBalancerGroups;
+  private final Optional<Integer> loadBalancerPortIndex;
   private final Optional<Map<String, Object>> loadBalancerOptions;
 
   public static SingularityDeployBuilder newBuilder(String requestId, String id) {
@@ -87,10 +89,12 @@ public SingularityDeploy(@JsonProperty("requestId") String requestId,
       @JsonProperty("healthcheckUri") Optional<String> healthcheckUri,
       @JsonProperty("healthcheckIntervalSeconds") Optional<Long> healthcheckIntervalSeconds,
       @JsonProperty("healthcheckTimeoutSeconds") Optional<Long> healthcheckTimeoutSeconds,
+      @JsonProperty("healthcheckPortIndex") Optional<Integer> healthcheckPortIndex,
       @JsonProperty("healthcheckMaxRetries") Optional<Integer> healthcheckMaxRetries,
       @JsonProperty("healthcheckMaxTotalTimeoutSeconds") Optional<Long> healthcheckMaxTotalTimeoutSeconds,
       @JsonProperty("serviceBasePath") Optional<String> serviceBasePath,
       @JsonProperty("loadBalancerGroups") Optional<Set<String>> loadBalancerGroups,
+      @JsonProperty("loadBalancerPortIndex") Optional<Integer> loadBalancerPortIndex,
       @JsonProperty("considerHealthyAfterRunningForSeconds") Optional<Long> considerHealthyAfterRunningForSeconds,
       @JsonProperty("loadBalancerOptions") Optional<Map<String, Object>> loadBalancerOptions,
       @JsonProperty("skipHealthchecksOnDeploy") Optional<Boolean> skipHealthchecksOnDeploy,
@@ -121,6 +125,7 @@ public SingularityDeploy(@JsonProperty("requestId") String requestId,
     this.healthcheckUri = healthcheckUri;
     this.healthcheckIntervalSeconds = healthcheckIntervalSeconds;
     this.healthcheckTimeoutSeconds = healthcheckTimeoutSeconds;
+    this.healthcheckPortIndex = healthcheckPortIndex;
     this.skipHealthchecksOnDeploy = skipHealthchecksOnDeploy;
     this.healthcheckProtocol = healthcheckProtocol;
 
@@ -133,6 +138,7 @@ public SingularityDeploy(@JsonProperty("requestId") String requestId,
 
     this.serviceBasePath = serviceBasePath;
     this.loadBalancerGroups = loadBalancerGroups;
+    this.loadBalancerPortIndex = loadBalancerPortIndex;
     this.loadBalancerOptions = loadBalancerOptions;
   }
 
@@ -151,6 +157,7 @@ public SingularityDeployBuilder toBuilder() {
     .setHealthcheckUri(healthcheckUri)
     .setHealthcheckIntervalSeconds(healthcheckIntervalSeconds)
     .setHealthcheckTimeoutSeconds(healthcheckTimeoutSeconds)
+    .setHealthcheckPortIndex(healthcheckPortIndex)
     .setSkipHealthchecksOnDeploy(skipHealthchecksOnDeploy)
     .setHealthcheckProtocol(healthcheckProtocol)
 
@@ -161,6 +168,7 @@ public SingularityDeployBuilder toBuilder() {
     .setDeployHealthTimeoutSeconds(deployHealthTimeoutSeconds)
     .setServiceBasePath(serviceBasePath)
     .setLoadBalancerGroups(copyOfSet(loadBalancerGroups))
+    .setLoadBalancerPortIndex(loadBalancerPortIndex)
     .setLoadBalancerOptions(copyOfMap(loadBalancerOptions))
 
     .setMetadata(copyOfMap(metadata))
@@ -281,6 +289,11 @@ public Optional<Long> getHealthcheckTimeoutSeconds() {
     return healthcheckTimeoutSeconds;
   }
 
+  @ApiModelProperty(required=false, value="Perform healthcheck on this dynamically allocated port (e.g. 0 for first port)")
+  public Optional<Integer> getHealthcheckPortIndex() {
+    return healthcheckPortIndex;
+  }
+
   @ApiModelProperty(required=false, value="The base path for the API exposed by the deploy. Used in conjunction with the Load balancer API.")
   public Optional<String> getServiceBasePath() {
     return serviceBasePath;
@@ -296,6 +309,11 @@ public Optional<Set<String>> getLoadBalancerGroups() {
     return loadBalancerGroups;
   }
 
+  @ApiModelProperty(required=false, value="Send this port to the load balancer api (e.g. 0 for first port)")
+  public Optional<Integer> getLoadBalancerPortIndex() {
+    return loadBalancerPortIndex;
+  }
+
   @ApiModelProperty(required=false, value="Map (Key/Value) of options for the load balancer.")
   public Optional<Map<String, Object>> getLoadBalancerOptions() {
     return loadBalancerOptions;
@@ -344,6 +362,7 @@ public String toString() {
       ", healthcheckUri=" + healthcheckUri +
       ", healthcheckIntervalSeconds=" + healthcheckIntervalSeconds +
       ", healthcheckTimeoutSeconds=" + healthcheckTimeoutSeconds +
+      ", healthcheckPortIndex=" + healthcheckPortIndex +
       ", skipHealthchecksOnDeploy=" + skipHealthchecksOnDeploy +
       ", healthcheckProtocol=" + healthcheckProtocol +
       ", healthcheckMaxRetries=" + healthcheckMaxRetries +
@@ -352,6 +371,7 @@ public String toString() {
       ", considerHealthyAfterRunningForSeconds=" + considerHealthyAfterRunningForSeconds +
       ", serviceBasePath=" + serviceBasePath +
       ", loadBalancerGroups=" + loadBalancerGroups +
+      ", loadBalancerPortIndex=" + loadBalancerPortIndex +
       ", loadBalancerOptions=" + loadBalancerOptions +
       ", labels=" + labels +
       '}';

SingularityBase/src/main/java/com/hubspot/singularity/SingularityDeployBuilder.java

@@ -39,6 +39,7 @@ public class SingularityDeployBuilder {
   private Optional<String> healthcheckUri;
   private Optional<Long> healthcheckIntervalSeconds;
   private Optional<Long> healthcheckTimeoutSeconds;
+  private Optional<Integer> healthcheckPortIndex;
   private Optional<Boolean> skipHealthchecksOnDeploy;
   private Optional<HealthcheckProtocol> healthcheckProtocol;
 
@@ -51,6 +52,7 @@ public class SingularityDeployBuilder {
 
   private Optional<String> serviceBasePath;
   private Optional<Set<String>> loadBalancerGroups;
+  private Optional<Integer> loadBalancerPortIndex;
   private Optional<Map<String, Object>> loadBalancerOptions;
 
   public SingularityDeployBuilder(String requestId, String id) {
@@ -75,6 +77,7 @@ public SingularityDeployBuilder(String requestId, String id) {
     this.healthcheckUri = Optional.absent();
     this.healthcheckIntervalSeconds = Optional.absent();
     this.healthcheckTimeoutSeconds = Optional.absent();
+    this.healthcheckPortIndex = Optional.absent();
     this.skipHealthchecksOnDeploy = Optional.absent();
     this.deployHealthTimeoutSeconds = Optional.absent();
     this.healthcheckProtocol = Optional.absent();
@@ -83,13 +86,14 @@ public SingularityDeployBuilder(String requestId, String id) {
     this.considerHealthyAfterRunningForSeconds = Optional.absent();
     this.serviceBasePath = Optional.absent();
     this.loadBalancerGroups = Optional.absent();
+    this.loadBalancerPortIndex = Optional.absent();
     this.loadBalancerOptions = Optional.absent();
   }
 
   public SingularityDeploy build() {
     return new SingularityDeploy(requestId, id, command, arguments, containerInfo, customExecutorCmd, customExecutorId, customExecutorSource, customExecutorResources, customExecutorUser, resources, env,
-        uris, metadata, executorData, version, timestamp, labels, deployHealthTimeoutSeconds, healthcheckUri, healthcheckIntervalSeconds, healthcheckTimeoutSeconds, healthcheckMaxRetries,
-        healthcheckMaxTotalTimeoutSeconds, serviceBasePath, loadBalancerGroups, considerHealthyAfterRunningForSeconds, loadBalancerOptions, skipHealthchecksOnDeploy, healthcheckProtocol);
+        uris, metadata, executorData, version, timestamp, labels, deployHealthTimeoutSeconds, healthcheckUri, healthcheckIntervalSeconds, healthcheckTimeoutSeconds, healthcheckPortIndex, healthcheckMaxRetries,
+        healthcheckMaxTotalTimeoutSeconds, serviceBasePath, loadBalancerGroups, loadBalancerPortIndex, considerHealthyAfterRunningForSeconds, loadBalancerOptions, skipHealthchecksOnDeploy, healthcheckProtocol);
   }
 
   public String getRequestId() {
@@ -285,6 +289,15 @@ public SingularityDeployBuilder setHealthcheckTimeoutSeconds(Optional<Long> heal
     return this;
   }
 
+  public Optional<Integer> getHealthcheckPortIndex() {
+    return healthcheckPortIndex;
+  }
+
+  public SingularityDeployBuilder setHealthcheckPortIndex(Optional<Integer> healthcheckPortIndex) {
+    this.healthcheckPortIndex = healthcheckPortIndex;
+    return this;
+  }
+
   public Optional<String> getServiceBasePath() {
     return serviceBasePath;
   }
@@ -303,6 +316,15 @@ public SingularityDeployBuilder setLoadBalancerGroups(Optional<Set<String>> load
     return this;
   }
 
+  public Optional<Integer> getLoadBalancerPortIndex() {
+    return loadBalancerPortIndex;
+  }
+
+  public SingularityDeployBuilder setLoadBalancerPortIndex(Optional<Integer> loadBalancerPortIndex) {
+    this.loadBalancerPortIndex = loadBalancerPortIndex;
+    return this;
+  }
+
   public Optional<Map<String, Object>> getLoadBalancerOptions() {
     return loadBalancerOptions;
   }
@@ -381,6 +403,7 @@ public String toString() {
       ", healthcheckUri=" + healthcheckUri +
       ", healthcheckIntervalSeconds=" + healthcheckIntervalSeconds +
       ", healthcheckTimeoutSeconds=" + healthcheckTimeoutSeconds +
+      ", healthcheckPortIndex=" + healthcheckPortIndex +
       ", skipHealthchecksOnDeploy=" + skipHealthchecksOnDeploy +
       ", healthcheckProtocol=" + healthcheckProtocol +
       ", healthcheckMaxRetries=" + healthcheckMaxRetries +
@@ -389,6 +412,7 @@ public String toString() {
       ", considerHealthyAfterRunningForSeconds=" + considerHealthyAfterRunningForSeconds +
       ", serviceBasePath=" + serviceBasePath +
       ", loadBalancerGroups=" + loadBalancerGroups +
+      ", loadBalancerPortIndex=" + loadBalancerPortIndex +
       ", loadBalancerOptions=" + loadBalancerOptions +
       '}';
   }

SingularityBase/src/main/java/com/hubspot/singularity/SingularityTask.java

@@ -1,5 +1,7 @@
 package com.hubspot.singularity;
 
+import java.util.List;
+
 import org.apache.mesos.Protos.Offer;
 import org.apache.mesos.Protos.Resource;
 import org.apache.mesos.Protos.TaskInfo;
@@ -45,16 +47,13 @@ public Optional<String> getRackId() {
   }
 
   @JsonIgnore
-  public Optional<Long> getFirstPort() {
-    for (Resource resource : mesosTask.getResourcesList()) {
-      if (resource.getName().equals(MesosUtils.PORTS)) {
-        for (Range range : resource.getRanges().getRangeList()) {
-          return Optional.of(range.getBegin());
-        }
-      }
+  public Optional<Long> getPortByIndex(int index) {
+    List<Long> ports = MesosUtils.getAllPorts(mesosTask.getResourcesList());
+    if (index >= ports.size()) {
+      return Optional.absent();
+    } else {
+      return Optional.of(ports.get(index));
     }
-
-    return Optional.absent();
   }
 
   @Override

SingularityService/src/main/java/com/hubspot/singularity/hooks/LoadBalancerClientImpl.java

@@ -181,10 +181,10 @@ private List<UpstreamInfo> tasksToUpstreams(List<SingularityTask> tasks, String
     final List<UpstreamInfo> upstreams = Lists.newArrayListWithCapacity(tasks.size());
 
     for (SingularityTask task : tasks) {
-      final Optional<Long> maybeFirstPort = task.getFirstPort();
+      final Optional<Long> maybeLoadBalancerPort = task.getPortByIndex(task.getTaskRequest().getDeploy().getLoadBalancerPortIndex().or(0));
 
-      if (maybeFirstPort.isPresent()) {
-        String upstream = String.format("%s:%d", task.getOffer().getHostname(), maybeFirstPort.get());
+      if (maybeLoadBalancerPort.isPresent()) {
+        String upstream = String.format("%s:%d", task.getOffer().getHostname(), maybeLoadBalancerPort.get());
         upstreams.add(new UpstreamInfo(upstream, Optional.of(requestId), task.getRackId()));
       } else {
         LOG.warn("Task {} is missing port but is being passed to LB  ({})", task.getTaskId(), task);

SingularityService/src/main/java/com/hubspot/singularity/scheduler/SingularityHealthchecker.java

@@ -1,6 +1,7 @@
 package com.hubspot.singularity.scheduler;
 
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
@@ -19,6 +20,7 @@
 import com.google.common.collect.Maps;
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
+import com.hubspot.mesos.MesosUtils;
 import com.hubspot.singularity.HealthcheckProtocol;
 import com.hubspot.singularity.SingularityAbort;
 import com.hubspot.singularity.SingularityMainModule;
@@ -167,9 +169,9 @@ private Optional<String> getHealthcheckUri(SingularityTask task) {
 
     final String hostname = task.getOffer().getHostname();
 
-    Optional<Long> firstPort = task.getFirstPort();
+    Optional<Long> healthecheckPort = task.getPortByIndex(task.getTaskRequest().getDeploy().getHealthcheckPortIndex().or(0));
 
-    if (!firstPort.isPresent() || firstPort.get() < 1L) {
+    if (!healthecheckPort.isPresent() || healthecheckPort.get() < 1L) {
       LOG.warn("Couldn't find a port for health check for task {}", task);
       return Optional.absent();
     }
@@ -182,7 +184,7 @@ private Optional<String> getHealthcheckUri(SingularityTask task) {
 
     HealthcheckProtocol protocol = task.getTaskRequest().getDeploy().getHealthcheckProtocol().or(DEFAULT_HEALTH_CHECK_SCHEME);
 
-    return Optional.of(String.format("%s://%s:%d/%s", protocol.getProtocol(), hostname, firstPort.get(), uri));
+    return Optional.of(String.format("%s://%s:%d/%s", protocol.getProtocol(), hostname, healthecheckPort.get(), uri));
   }
 
   private void saveFailure(SingularityHealthcheckAsyncHandler handler, String message) {