这是indexloc提供的服务，不要输入任何密码
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[WIP] docker pull webhook/callback #37

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Merged
merged 4 commits into from
Sep 8, 2019
Merged

[WIP] docker pull webhook/callback #37

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1fdd87a
added endpoint for docker pull
danielwelch Feb 26, 2019
e90a851
fix url arg parse to allow for '/' in arg
danielwelch Feb 27, 2019
1df20e2
add additional docker pull endpoint implementing webhook callback
danielwelch Feb 27, 2019
9123e3f
Merge branch 'dev' into master
philhawthorne Sep 8, 2019
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57 changes: 57 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ var basicAuth = require('express-basic-auth')
var bodyParser = require('body-parser');
var Docker = require('dockerode');
var fs = require('fs');
var http = require('http');
var config = require('./default_settings.js');
var docker = false;

Expand Down Expand Up @@ -451,6 +452,49 @@ app.get('/pull/*', function (req, res) {
});
});

/**
* Pull the latest image for the given repository/tag.
* When the pull is complete, notify the provided callback_uri of success or failure.
*/
app.post('/pull/*', function (req, res) {
var repoTag = req.params[0];
console.log("Pull" + repoTag + "asynchronously");
var callback = req.body.callback_uri ? req.body.callback_uri : false;
if (callback == "" || !callback) {
res.send({
status: false,
error: "No callback_uri specified. Use GET /pull/* to pull without a callback."
});
res.status(400);
return;
} else {
res.send({
status: true,
result: "Started pulling " + repoTag
})
}
docker.pull(repoTag, function (err, stream) {
if (err) {
if (config.get("debug")) {
console.log("Failed to pull docker image " + repoTag);
console.log(err);
}
var data = { status: false, error: `Failed to pull docker image ${repoTag}` };
postCallbackRequest(callback, data);
return;
}
console.log("Pulling image " + repoTag);
const chunks = [];
stream.on("data", function (chunk) {
chunks.push(chunk.toString());
});

stream.on("end", function () {
var data = { status: true, result: `Finished pulling docker image ${repoTag}` }
postCallbackRequest(callback, data)
});
});
});

//Attempt to connect to the Docker daemon
switch (config.get("docker_connection.type")) {
Expand Down Expand Up @@ -554,3 +598,16 @@ function getContainer(name, cb, error)
});
});
}

function postCallbackRequest(url, data)
{
var reqOpts = { method: 'POST', headers: { 'content-type': 'application/json' } };
var req = http.request(url, reqOpts, function (res) {
res.on('end', function () { console.log(`Message sent to callback uri: ${data}`) });
});
req.on('error', function (err) {
console.error(`Error sending POST request to callback URI: ${err.message}`);
});
req.write(JSON.stringify(data));
req.end();
}