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Optimize hosts in order priority.

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This commit is contained in:
wescoeur 2016-03-17 11:21:15 +01:00
parent da0c1cec22
commit 12e0759711
1 changed files with 18 additions and 9 deletions
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15
packages/xo-server-load-balancer/src/index.js
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@ -438,20 +438,26 @@ class PerformancePlan extends Plan {
toOptimize toOptimize
} = results } = results
const exceededHost = searchObject(toOptimize, (a, b) => { toOptimize.sort((a, b) => {
a = averages[a.id] a = averages[a.id]
b = averages[b.id] b = averages[b.id]
return (b.cpu - a.cpu) || (a.memoryFree - b.memoryFree) return (b.cpu - a.cpu) || (a.memoryFree - b.memoryFree)
}) })
for (const exceededHost of toOptimize) {
const { id } = exceededHost
debug(`Try to optimize Host (${exceededHost.id}).`)
// Search bests combinations for the worst host. // Search bests combinations for the worst host.
await this._optimize({ await this._optimize({
exceededHost, exceededHost,
hosts: filter(hosts, host => host.id !== exceededHost.id), hosts: filter(hosts, host => host.id !== id),
hostsAverages: averages hostsAverages: averages
}) })
} }
}
async _optimize ({ exceededHost, hosts, hostsAverages }) { async _optimize ({ exceededHost, hosts, hostsAverages }) {
const vms = await this._getVms(exceededHost.id) const vms = await this._getVms(exceededHost.id)
@ -466,6 +472,7 @@ class PerformancePlan extends Plan {
const promises = [] const promises = []
const xapiSrc = this.xo.getXapi(exceededHost) const xapiSrc = this.xo.getXapi(exceededHost)
let optimizationsCount = 0
for (const vm of vms) { for (const vm of vms) {
// Search host with lower cpu usage. // Search host with lower cpu usage.
@ -489,7 +496,8 @@ class PerformancePlan extends Plan {
exceededAverages.memoryFree += vmAverages.memory exceededAverages.memoryFree += vmAverages.memory
destinationAverages.memoryFree -= vmAverages.memory destinationAverages.memoryFree -= vmAverages.memory
debug(`Migrate VM (${vm.id}) to Host (${destination.id}) from Host (${exceededHost.id})`) debug(`Migrate VM (${vm.id}) to Host (${destination.id}) from Host (${exceededHost.id}).`)
optimizationsCount++
// promises.push( // promises.push(
// xapiSrc.migrateVm(vm._xapiId, this.xo.getXapi(destination), destination._xapiId) // xapiSrc.migrateVm(vm._xapiId, this.xo.getXapi(destination), destination._xapiId)
@ -497,6 +505,7 @@ class PerformancePlan extends Plan {
} }
await Promise.all(promises) await Promise.all(promises)
debug(`${optimizationsCount} optimizations for Host (${exceededHost.id}).`)
return return
} }