hcq/MaxScale
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MXS-1300: Add creation/deletion of listeners to cluster sync

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New listeners are created and old ones removed. As listeners cannot yet be
altered via the REST API, differing listeners are not modified.
This commit is contained in:
Markus Mäkelä 2017-08-01 15:11:52 +03:00
parent 0dc53df32e
commit a3e9d5c327
1 changed files with 52 additions and 35 deletions
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87
maxctrl/lib/cluster.js
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@ -107,45 +107,44 @@ exports.builder = function(yargs) {
.command('diff <target>', 'Show difference between host servers and <target>. ' +
'Value must be in HOST:PORT format', {}, function(argv) {
maxctrl(argv, function(host) {
return getDiffs(host, argv.target)
.then(function(diffs) {
var src = diffs[0]
var dest = diffs[1]
maxctrl(argv, function(host) {
return getDiffs(host, argv.target)
.then(function(diffs) {
var src = diffs[0]
var dest = diffs[1]
_.uniq(_.concat(Object.keys(src), Object.keys(dest))).forEach(function(i) {
var newObj = getDifference(src[i].data, dest[i].data)
var oldObj = getDifference(dest[i].data, src[i].data)
var changed = getChangedObjects(src[i].data, dest[i].data)
_.uniq(_.concat(Object.keys(src), Object.keys(dest))).forEach(function(i) {
var newObj = getDifference(src[i].data, dest[i].data)
var oldObj = getDifference(dest[i].data, src[i].data)
var changed = getChangedObjects(src[i].data, dest[i].data)
if (newObj.length) {
logger.log("New:", i)
logger.log(colors.green(JSON.stringify(newObj, null, 4)))
}
if (oldObj.length) {
logger.log("Deleted:", i)
logger.log(colors.red(JSON.stringify(oldObj, null, 4)))
}
if (changed.length) {
logger.log("Changed:", i)
logger.log(colors.yellow(JSON.stringify(changed, null, 4)))
}
})
endpoints.forEach(function(i) {
// Treating the resource endpoints as arrays allows the same functions to be used
// to compare individual resources and resource collections
var changed = getChangedObjects([src[i].data], [dest[i].data])
if (changed.length) {
logger.log("Changed:", i)
logger.log(colors.yellow(JSON.stringify(changed, null, 4)))
}
})
})
})
})
if (newObj.length) {
logger.log("New:", i)
logger.log(colors.green(JSON.stringify(newObj, null, 4)))
}
if (oldObj.length) {
logger.log("Deleted:", i)
logger.log(colors.red(JSON.stringify(oldObj, null, 4)))
}
if (changed.length) {
logger.log("Changed:", i)
logger.log(colors.yellow(JSON.stringify(changed, null, 4)))
}
})
endpoints.forEach(function(i) {
// Treating the resource endpoints as arrays allows the same functions to be used
// to compare individual resources and resource collections
var changed = getChangedObjects([src[i].data], [dest[i].data])
if (changed.length) {
logger.log("Changed:", i)
logger.log(colors.yellow(JSON.stringify(changed, null, 4)))
}
})
})
})
})
.command('sync <target>', 'Synchronize the cluster with target MaxScale server.', {}, function(argv) {
maxctrl(argv, function(host) {
// TODO: Create new listeners
return getDiffs(argv.target, host)
.then(function(diffs) {
var promises = []
@ -198,6 +197,24 @@ exports.builder = function(yargs) {
})
return Promise.all(promises)
})
.then(function() {
// Add new and delete old listeners
var promises = []
var all_keys = _.concat(Object.keys(src), Object.keys(dest))
var unwanted_keys = _.concat(collections, endpoints)
var relevant_keys = _.uniq(_.difference(all_keys, unwanted_keys))
relevant_keys.forEach(function(i) {
getDifference(dest[i].data, src[i].data).forEach(function(j) {
promises.push(doAsyncRequest(host, i + '/' + j.id, null, {method: 'DELETE'}))
})
getDifference(src[i].data, dest[i].data).forEach(function(j) {
promises.push(doAsyncRequest(host, i, null, {method: 'POST', body: {data: j}}))
})
})
return Promise.all(promises)
})
.then(function() {
var promises = []
// PATCH all remaining resource collections in src from dest apart from the