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changefeed
Advanced tools
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.
1.5.4
FAQs
Change Feed Modules
The npm package changefeed receives a total of 100 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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