### OpenStack Compute Server Creation

Source: https://openstack4j.github.io

Creates a server model object and then boots a new server using the specified name, flavor, and image.

```java
// Create a Server Model Object
Server server = Builders.server()
        .name("Ubuntu 2")
        .flavor("large")
        .image("imageId")
        .build();

// Boot the Server
Server server = os.compute().servers().boot(server);
```

--------------------------------

### OpenStack Image Creation

Source: https://openstack4j.github.io

Creates a new image with specified properties like name, visibility, container format, and disk format, and uploads it from a file.

```java
// Create an Image
Image image = os.images().create(Builders.image()
        .name("Cirros 0.3.0 x64")
        .isPublic(true)
        .containerFormat(ContainerFormat.BARE)
        .diskFormat(DiskFormat.QCOW2)
        .build()
        ), Payloads.create(new File("cirros.img")));
```

--------------------------------

### OpenStack Compute Server Snapshot Creation

Source: https://openstack4j.github.io

Creates a snapshot for an existing server identified by its ID and assigns a name to the snapshot.

```java
// Create a Snapshot
os.compute().servers().createSnapshot("id", "name");
```

--------------------------------

### OpenStack Network Port Creation

Source: https://openstack4j.github.io

Creates a network port with a specified name, network ID, and fixed IP address within a subnet.

```java
// Create a Port
Port port = os.networking().port()
        .create(Builders.port()
        .name("port1")
        .networkId("networkId")
        .fixedIp("52.51.1.253", "subnetId")
        .build());
```

--------------------------------

### OpenStack Identity V2 Authentication

Source: https://openstack4j.github.io

Authenticates with OpenStack using Identity V2 endpoint, credentials, and tenant name.

```java
// V2 authentication
OSClientV2 os = OSFactory.builderV2()
        .endpoint("http://127.0.0.1:5000/v2.0")
        .credentials("admin", "secret")
        .tenantName("admin")
        .authenticate();
```

--------------------------------

### OpenStack Identity V3 Authentication

Source: https://openstack4j.github.io

Authenticates with OpenStack using Identity V3 endpoint, credentials, and project scope.

```java
// V3 authentication
OSClientV3 os = OSFactory.builderV3()
        .endpoint("http://127.0.0.1:5000/v3")
        .credentials("admin", "secret", Identifier.byName("Default"))
        .scopeToProject(Identifier.byName("admin"))
        .authenticate();
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.