NodeJS Client for Apache Ignite contains fully workable examples to demonstrate the main behavior of the client.
Source: SqlExample.js
This example shows primary APIs to use with Ignite as with an SQL database:
Source: CachePutGetExample.js
This example demonstrates basic Cache, Key-Value Queries and Scan Query operations:
Source: SqlQueryEntriesExample.js
This example demonstrates basic Cache, Key-Value Queries and SQL Query operations:
Source: AuthTlsExample.js
This example requires additional setup.
This example demonstrates how to establish a secure connection to an Ignite node and use username/password authentication, as well as basic Key-Value Queries operations for primitive types:
Source: FailoverExample.js
This example requires additional setup.
This example demonstrates the failover behavior of the client
(temporary, while the NPM module is not released on npmjs)
Examples are installed along with the client. Follow the instructions in the main readme.
Run Apache Ignite server - locally or remotely.
If needed, modify ENDPOINT
constant in an example source file - Ignite node endpoint. The default value is 127.0.0.1:10800
.
Run an example by calling node <example_file_name>.js
. Eg. node CachePutGetExample.js
either use pre-generated certificates provided in the examples/certs folder. Password for the files: 123456
. Note, these certificates work for an Ignite server installed locally only.
or obtain other existing certificates applicable for a concrete Ignite server.
or generate new certificates applicable for a concrete Ignite server.
The following files are needed:
Place client.key, client.crt and ca.crt files somewhere locally, eg. into the examples/certs folder.
If needed, modify TLS_KEY_FILE_NAME
, TLS_CERT_FILE_NAME
and TLS_CA_FILE_NAME
constants in the example source file. The default values point to the files in the examples/certs folder.
Setup Apache Ignite server to accept TLS - see appropriate Ignite documentation. Provide the obtained keystore.jks and truststore.jks certificates during the setup.
Switch on and setup authentication in Apache Ignite server - see appropriate Ignite documentation.
If needed, modify USER_NAME
and PASSWORD
constants in the example source file. The default values are the default Ignite username/password.
Executes Setup and Running steps.
Run three Ignite nodes. See appropriate Ignite documentation for more details.
If needed, modify ENDPOINT1
, ENDPOINT2
, ENDPOINT2
constants in an example source file - Ignite node endpoints. Default values are localhost:10800
, localhost:10801
, localhost:10802
respectively.
Run an example by calling node FailoverExample.js
.
Shut down the node the client connected to (you can find it out from the client logs in the console).
From the logs, you will see that the client automatically reconnects to another node which is available.
Shut down all the nodes. You will see the client being stopped after failing to connect to each of the nodes.