openstack-nova: add support for user-data

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/compute/NovaComputeServiceAdapter.java

@@ -104,6 +104,7 @@ public class NovaComputeServiceAdapter implements
       CreateServerOptions options = new CreateServerOptions();
       options.metadata(templateOptions.getUserMetadata());
       options.securityGroupNames(templateOptions.getSecurityGroupNames());
+      options.userData(templateOptions.getUserData());
 
       Optional<String> privateKey = Optional.absent();
       if (templateOptions.getKeyPairName() != null) {

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/compute/options/NovaTemplateOptions.java

@@ -19,8 +19,10 @@
 package org.jclouds.openstack.nova.v1_1.compute.options;
 
 import static com.google.common.base.Objects.equal;
+import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 
+import java.util.Arrays;
 import java.util.Map;
 import java.util.Set;
 
@@ -68,6 +70,9 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
          eTo.securityGroupNames(getSecurityGroupNames());
          eTo.generateKeyPair(shouldGenerateKeyPair());
          eTo.keyPairName(getKeyPairName());
+         if (getUserData() != null) {
+             eTo.userData(getUserData());
+         }
       }
    }
 
@@ -75,6 +80,7 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
    protected Set<String> securityGroupNames = ImmutableSet.of();
    protected boolean generateKeyPair = false;
    protected String keyPairName;
+   protected byte[] userData;
 
    @Override
    public boolean equals(Object o) {
@@ -85,19 +91,21 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
       NovaTemplateOptions that = NovaTemplateOptions.class.cast(o);
       return super.equals(that) && equal(this.autoAssignFloatingIp, that.autoAssignFloatingIp)
             && equal(this.securityGroupNames, that.securityGroupNames)
-            && equal(this.generateKeyPair, that.generateKeyPair) && equal(this.keyPairName, that.keyPairName);
+            && equal(this.generateKeyPair, that.generateKeyPair)
+            && equal(this.keyPairName, that.keyPairName)
+            && Arrays.equals(this.userData, that.userData);
    }
 
    @Override
    public int hashCode() {
-      return Objects.hashCode(super.hashCode(), autoAssignFloatingIp, securityGroupNames, generateKeyPair, keyPairName);
+      return Objects.hashCode(super.hashCode(), autoAssignFloatingIp, securityGroupNames, generateKeyPair, keyPairName, userData);
    }
 
    @Override
    public ToStringHelper string() {
       return super.string().add("autoAssignFloatingIp", autoAssignFloatingIp)
             .add("securityGroupNames", securityGroupNames).add("generateKeyPair", generateKeyPair)
-            .add("keyPairName", keyPairName);
+            .add("keyPairName", keyPairName).add("UserData", userData);
    }
 
    public static final NovaTemplateOptions NONE = new NovaTemplateOptions();
@@ -183,6 +191,10 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
       return securityGroupNames;
    }
 
+   public byte[] getUserData() {
+       return userData;
+    }
+
    public static class Builder {
 
       /**
@@ -312,6 +324,14 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
          return options.blockUntilRunning(blockUntilRunning);
       }
       
+      /**
+       * @see NovaTemplateOptions#userData
+       */
+      public static NovaTemplateOptions userData(byte[] userData) {
+         NovaTemplateOptions options = new NovaTemplateOptions();
+         return NovaTemplateOptions.class.cast(options.userData(userData));
+      }
+
    }
 
    // methods that only facilitate returning the correct object type
@@ -444,4 +464,15 @@ public class NovaTemplateOptions extends TemplateOptions implements Cloneable {
       return NovaTemplateOptions.class.cast(super.userMetadata(key, value));
    }
 
+   /**
+    * User data as bytes (not base64-encoded)
+    */
+   public NovaTemplateOptions userData(byte[] userData) {
+       // This limit may not be needed for nova
+       checkArgument(checkNotNull(userData, "userData").length <= 16 * 1024,
+               "userData cannot be larger than 16kb");
+       this.userData = userData;
+       return this;
+   }
+
 }

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/options/CreateServerOptions.java

@@ -110,6 +110,7 @@ public class CreateServerOptions implements MapBinder {
    private Set<String> securityGroupNames = ImmutableSet.of();
    private Map<String, String> metadata = ImmutableMap.of();
    private List<File> personality = Lists.newArrayList();
+   private byte[] userData;
 
    @Override
    public boolean equals(Object object) {
@@ -132,8 +133,9 @@ public class CreateServerOptions implements MapBinder {
    }
 
    protected ToStringHelper string() {
-      return toStringHelper("").add("keyName", "keyName").add("securityGroupNames", securityGroupNames).add("metadata",
+      return toStringHelper("").add("keyName", "keyName").add("securityGroupNames", securityGroupNames)
-               metadata).add("personality", personality).add("adminPassPresent", adminPass != null);
+              .add("metadata", metadata).add("personality", personality)
+              .add("adminPassPresent", adminPass != null).add("userData", new String(userData));
    }
 
    @Override
@@ -152,6 +154,7 @@ public class CreateServerOptions implements MapBinder {
       String key_name;
       @SerializedName(value = "security_groups")
       Set<SecurityGroup> securityGroupNames;
+      String user_data;
 
       private ServerRequest(String name, String imageRef, String flavorRef) {
          this.name = name;
@@ -172,6 +175,8 @@ public class CreateServerOptions implements MapBinder {
          server.personality = personality;
       if (keyName != null)
          server.key_name = keyName;
+      if (userData != null)
+          server.user_data = Base64.encodeBytes(userData);
       if (securityGroupNames.size() > 0) {
          server.securityGroupNames = Sets.newHashSet();
          for (String groupName : securityGroupNames) {
@@ -240,6 +245,16 @@ public class CreateServerOptions implements MapBinder {
       return this;
    }
 
+   /**
+    * Custom user-data can be also be supplied at launch time.
+    * It is retrievable by the instance and is often used for launch-time configuration
+    * by instance scripts.
+    */
+   public CreateServerOptions userData(byte[] userData) {
+       this.userData = userData;
+       return this;
+   }
+
    /**
     * A keypair name can be defined when creating a server. This key will be
     * linked to the server and used to SSH connect to the machine

apis/openstack-nova/src/test/java/org/jclouds/openstack/nova/v1_1/compute/options/NovaTemplateOptionsTest.java

@@ -190,6 +190,12 @@ public class NovaTemplateOptionsTest {
       authorizePublicKey(null);
    }
 
+   @Test
+   public void testUserData() {
+       NovaTemplateOptions options = new NovaTemplateOptions();
+       options.userData("test".getBytes());
+       assertEquals(new String(options.getUserData()), "test");
+   }
    @Test(expectedExceptions = IllegalArgumentException.class)
    public void testblockOnPortBadFormat() {
       NovaTemplateOptions options = new NovaTemplateOptions();