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changefeed
Advanced tools
Changelog
1.5.4
Readme
This repository is part of the Joyent Triton project.
SDC Changefeed provides support for publishing and listening to change feeds in Triton via Node.js libraries and a CLI.
$ npm install changefeed
Before committing be sure to, at least run:
$ make check # lint and style checks
$ make test # run tests
Simple tests (requires a running CoaL) can be run using:
$ make test
$ changefeedsnoop -h 127.0.0.1 -p 8080 -r vm -s nic,alias | bunyan --color
Publisher
var mod_bunyan = require('bunyan');
var mod_changefeed = require('changefeed');
var mod_restify = require('restify');
var options = {
backoff: {
maxTimeout: Infinity,
minTimeout: 10,
retries: Infinity
},
log: mod_bunyan.createLogger({
name: 'publisher_test',
level: process.env['LOG_LEVEL'] || 'trace',
stream: process.stderr
}),
maxAge: 2000,
moray: {
bucketName: 'pub_change_bucket',
host: '10.99.99.17',
resolvers: {
resolvers: ['10.99.99.11']
},
timeout: 200,
minTimeout: 1000,
maxTimeout: 2000,
port: 2020
}
restifyServer: server,
resources: resources
};
var publisher = mod_changefeed.createPublisher(options);
Listener
var mod_bunyan = require('bunyan');
var mod_changefeed = require('changefeed');
var options = {
backoff: {
maxTimeout: Infinity,
minTimeout: 10,
retries: Infinity
},
log: mod_bunyan.createLogger({
name: 'listener_test',
level: process.env['LOG_LEVEL'] || 'error',
stream: process.stderr
}),
url: 'http://localhost',
instance: 'uuid goes here',
service: 'tcns',
changeKind: {
resource: 'vm',
subResources: ['nic', 'alias']
}
};
var listener = mod_changefeed.createListener(options);
listener.on('bootstrap', function (resource) {
// do bootstrap, then pipe to a change handler.
doBootstrap(resource);
listener.pipe(change_handler);
});
listener.on('error', function (err) {
console.log(err);
});
listener.on('connection-end', function () {
listener.unpipe(change_handler);
});
Detailed documentation is located at docs/index.md.
See RFD 0005 Triton Change Feed Support for current design and architecture decisions.
"node-sdc-changefeed" is licensed under the Mozilla Public License version 2.0. See the file LICENSE.
FAQs
Change Feed Modules
The npm package changefeed receives a total of 10 weekly downloads. As such, changefeed popularity was classified as not popular.
We found that changefeed demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 11 open source maintainers collaborating on the project.
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