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Installation and Configuration

The Aerospike REST Gateway is a Spring Boot Application. It can either be run directly from the git repo with ./gradlew bootRun, or built into a .jar file or Docker image.

info

The REST Gateway was previously referred to as the REST Client.

1 - Dependencies​

  • Java 17 for Gateway 2.0.1 and newer. Java 8 for Gateway 1.11.0 and older.
  • An Aerospike Server to be installed and reachable.

2 - Installation​

Downloading a JAR file​

The latest version of the REST Gateway .jar file can be found at: REST Gateway Releases

Running From Source​

For development purposes it is possible to

Building a JAR file​

To build a copy of the .jar file for the REST Gateway:

  • Clone the Aerospike REST Gateway

  • From the root directory run ./gradlew build

  • The .jar will be located in the build/libs directory

Running from an executable JAR​

java -jar build/libs/aerospike-rest-gateway-<VERSION>.jar

The fully executable jar contains an extra script at the front of the file which allows you to symlink your Spring Boot jar to init.d or use a systemd script. For more information, click the following links:

Complete example of running the REST gateway using a jar​

java -server -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=8082 -Dcom.sun.management.jmxremote.rmi.port=8082 -Dcom.sun.management.jmxremote.local.only=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -XX:+UseG1GC -Xms2048m -Xmx2048m -jar ./as-rest-client-X.X.X.jar --aerospike.restclient.hostname=localhost --aerospike.restclient.clientpolicy.user=*** --aerospike.restclient.clientpolicy.password=*** --logging.file.name=/var/log/restclient/asproxy.log

For more JVM command-line options, see the documentation.

Building a Docker image​

docker build -t aerospike-rest-gateway .

3 - Configuration​

REST server configuration​

The REST gateway is a Spring Boot application and the container can be configured using, for example, path arguments at startup.

By default, the server will start at port 8080 and will have no prefix other than the version, so the base URL would be https://localhost:8080/v1/. If, for example, your application used port 5150 and had the basename party that could be configured at startup using the command java -jar /path/to/jar --server.servlet.context-path=/party --server.port=5150

There are a large number of properties that may be set. For the common set (where you might change the log level for example) see here and for the server properties (where you might [as in the above example] change the port number) see here.

Aerospike server configuration​

By default, the REST Gateway looks for an Aerospike Server available at localhost:3000 . The following environment variables allow specification of a different host/port.

  • server.port Change the port the REST Gateway is listening on (default: 8080)
  • aerospike.restclient.hostname The IP address or Hostname of a seed node in the cluster (default: localhost) Note: If TLS is being utilized, aerospike.restclient.hostlist should be used instead of this variable.
  • aerospike.restclient.port The port to communicate with the Aerospike cluster over. (default: 3000)
  • aerospike.restclient.hostlist A comma separated list of cluster hostnames, (optional TLS names) and ports. If this is specified, it overrides the previous two environment variables. The format is described below:
    The string format is : hostname1[:tlsname1][:port1],...
    * Hostname may also be an IP address in the following formats.
    *
    * IPv4: xxx.xxx.xxx.xxx
    * IPv6: [xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx]
    * IPv6: [xxxx::xxxx]
    *
    * IPv6 addresses must be enclosed by brackets.
    * tlsname and port are optional.
    */

Example:

java -jar as-rest-client-*.jar --aerospike.restclient.hostname=172.17.0.3 --server.port=9876

Authentication​

The REST Gateway also allows authentication to an Aerospike Enterprise edition server with security enabled. The following environment variables are used to find authentication information.

  • aerospike.restclient.clientpolicy.user This is the name of a user registered with the Aerospike database. This variable is only needed when the Aerospike cluster is running with security enabled.
  • aerospike.restclient.clientpolicy.password This is the password for the previously specified user. This variable is only needed when the Aerospike cluster is running with security enabled.
  • aerospike.restclient.clientpolicy.authMode This is the authentication mode. Use it when user/password is defined. Supported modes are INTERNAL, EXTERNAL and EXTERNAL_INSECURE. Default is INTERNAL.

To utilize the multi-tenancy capability within the REST Gateway, send Aerospike login credentials using the Basic access authentication.
Set custom multi-user authentication configuration variables if needed:

  • aerospike.restclient.requireAuthentication Set this boolean flag to true to require the Basic Authentication on each request.
  • aerospike.restclient.pool.size Represents the max size of the authenticated clients LRU cache (default value: 16). Please note that an oversized client cache will consume a lot of resources and affect the performance.

TLS Configuration​

Beginning with version 1.1.0 the Aerospike REST Gateway supports TLS communication between the client and the Aerospike Server. (This feature requires an Enterprise Edition Aerospike Server). If utilizing TLS, the aerospike.restclient.hostlist variable should be set to include appropriate TLS Names for each of the Aerospike Nodes. For example: localhost:cluster-tls-name:4333 The following environment variables allow configuration of this connection:

  • aerospike.restclient.ssl.enabled boolean, set to true to enable a TLS connection with the Aerospike Server. If no other SSL environment variables are provided, the REST gateway will attempt to establish a secure connection utilizing the default Java SSL trust and keystore settings. Default: false
  • aerospike.restclient.ssl.keystorepath The path to a Java KeyStore to be used to interact with the Aerospike Server. If omitted the default Java KeyStore location and password will be used.
  • aerospike.restclient.ssl.keystorepassword The password to the keystore. If a keystore path is specified, this must be specified as well.
  • aerospike.restclient.ssl.keypassword The password for the key to be used when communicating with Aerospike. If omitted, and aerospike.restclient.ssl.keystorepassword is provided, the value of aerospike.restclient.ssl.keystorepassword will be used as the key password.
  • aerospike.restclient.ssl.truststorepath The path to a Java TrustStore to be used to interact with the Aerospike Server. If omitted the default Java TrustStore location and password will be used.
  • aerospike.restclient.ssl.truststorepassword The password for the truststore. May be omitted if the TrustStore is not password protected.
  • aerospike.restclient.ssl.forloginonly Boolean indicating that SSL should only be used for the initial login connection to Aerospike. Default: false
  • aerospike.restclient.ssl.allowedciphers An optional comma separated list of ciphers that are permitted to be used in communication with Aerospike. Available cipher names can be obtained by SSLSocket.getSupportedCipherSuites().
  • aerospike.restclient.ssl.allowedprotocols An optional comma separated list of protocols that are permitted to be used in communication with Aerospike. Available values can be aquired using SSLSocket.getSupportedProtocols(). By Default only TLSv1.2 is allowed.