mirror of
https://github.com/puppetlabs/vmpooler.git
synced 2026-01-26 01:58:41 -05:00
10245321bf
This commit add a redis hash where there is one key per pool, and the stored value is the last time a VM was booted e.g. the last time a VM went from 'pending' to 'ready'. This is also displayed in the API as lastBoot:'2018-03-23 17:43:39 +0000'. The data can then be used by any external system, in this case our alarming system.
752 lines
20 KiB
Ruby
752 lines
20 KiB
Ruby
module Vmpooler
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class API
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class V1 < Sinatra::Base
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api_version = '1'
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api_prefix = "/api/v#{api_version}"
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helpers do
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include Vmpooler::API::Helpers
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end
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def backend
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Vmpooler::API.settings.redis
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end
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def metrics
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Vmpooler::API.settings.metrics
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end
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def config
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Vmpooler::API.settings.config[:config]
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end
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def pools
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Vmpooler::API.settings.config[:pools]
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end
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def pool_exists?(template)
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Vmpooler::API.settings.config[:pool_names].include?(template)
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end
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def need_auth!
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validate_auth(backend)
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end
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def need_token!
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validate_token(backend)
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end
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def fetch_single_vm(template)
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vm = backend.spop('vmpooler__ready__' + template)
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return [vm, template] if vm
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aliases = Vmpooler::API.settings.config[:alias]
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if aliases && aliased_template = aliases[template]
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vm = backend.spop('vmpooler__ready__' + aliased_template)
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return [vm, aliased_template] if vm
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end
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[nil, nil]
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end
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def return_vm_to_ready_state(template, vm)
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backend.sadd('vmpooler__ready__' + template, vm)
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end
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def account_for_starting_vm(template, vm)
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backend.sadd('vmpooler__running__' + template, vm)
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backend.sadd('vmpooler__migrating__' + template, vm)
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backend.hset('vmpooler__active__' + template, vm, Time.now)
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backend.hset('vmpooler__vm__' + vm, 'checkout', Time.now)
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if Vmpooler::API.settings.config[:auth] and has_token?
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validate_token(backend)
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backend.hset('vmpooler__vm__' + vm, 'token:token', request.env['HTTP_X_AUTH_TOKEN'])
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backend.hset('vmpooler__vm__' + vm, 'token:user',
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backend.hget('vmpooler__token__' + request.env['HTTP_X_AUTH_TOKEN'], 'user')
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)
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if config['vm_lifetime_auth'].to_i > 0
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backend.hset('vmpooler__vm__' + vm, 'lifetime', config['vm_lifetime_auth'].to_i)
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end
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end
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end
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def update_result_hosts(result, template, vm)
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result[template] ||= {}
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if result[template]['hostname']
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result[template]['hostname'] = Array(result[template]['hostname'])
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result[template]['hostname'].push(vm)
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else
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result[template]['hostname'] = vm
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end
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end
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def atomically_allocate_vms(payload)
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result = { 'ok' => false }
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failed = false
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vms = []
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payload.each do |requested, count|
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count.to_i.times do |_i|
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vm, name = fetch_single_vm(requested)
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if !vm
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failed = true
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metrics.increment('checkout.empty.' + requested)
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break
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else
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vms << [ name, vm ]
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metrics.increment('checkout.success.' + name)
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end
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end
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end
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if failed
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vms.each do |(name, vm)|
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return_vm_to_ready_state(name, vm)
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end
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status 503
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else
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vms.each do |(name, vm)|
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account_for_starting_vm(name, vm)
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update_result_hosts(result, name, vm)
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end
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result['ok'] = true
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result['domain'] = config['domain'] if config['domain']
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end
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result
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end
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# Provide run-time statistics
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#
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# Example:
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#
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# {
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# "boot": {
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# "duration": {
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# "average": 163.6,
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# "min": 65.49,
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# "max": 830.07,
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# "total": 247744.71000000002
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# },
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# "count": {
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# "total": 1514
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# }
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# },
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# "capacity": {
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# "current": 968,
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# "total": 975,
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# "percent": 99.3
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# },
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# "clone": {
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# "duration": {
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# "average": 17.0,
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# "min": 4.66,
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# "max": 637.96,
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# "total": 25634.15
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# },
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# "count": {
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# "total": 1507
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# }
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# },
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# "queue": {
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# "pending": 12,
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# "cloning": 0,
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# "booting": 12,
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# "ready": 968,
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# "running": 367,
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# "completed": 0,
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# "total": 1347
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# },
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# "pools": {
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# "ready": 100,
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# "running": 120,
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# "pending": 5,
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# "max": 250,
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# }
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# "status": {
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# "ok": true,
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# "message": "Battle station fully armed and operational.",
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# "empty": [ # NOTE: would not have 'ok: true' w/ "empty" pools
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# "redhat-7-x86_64",
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# "ubuntu-1404-i386"
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# ],
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# "uptime": 179585.9
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# }
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#
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# If the query parameter 'view' is provided, it will be used to select which top level
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# element to compute and return. Select them by specifying them in a comma separated list.
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# For example /status?view=capacity,boot
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# would return only the "capacity" and "boot" statistics. "status" is always returned
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get "#{api_prefix}/status/?" do
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content_type :json
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if params[:view]
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views = params[:view].split(",")
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end
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result = {
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status: {
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ok: true,
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message: 'Battle station fully armed and operational.'
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}
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}
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result[:capacity] = get_capacity_metrics(pools, backend) unless views and not views.include?("capacity")
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result[:queue] = get_queue_metrics(pools, backend) unless views and not views.include?("queue")
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result[:clone] = get_task_metrics(backend, 'clone', Date.today.to_s) unless views and not views.include?("clone")
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result[:boot] = get_task_metrics(backend, 'boot', Date.today.to_s) unless views and not views.include?("boot")
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# Check for empty pools
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result[:pools] = {} unless views and not views.include?("pools")
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pools.each do |pool|
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# REMIND: move this out of the API and into the back-end
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ready = backend.scard('vmpooler__ready__' + pool['name']).to_i
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running = backend.scard('vmpooler__running__' + pool['name']).to_i
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pending = backend.scard('vmpooler__pending__' + pool['name']).to_i
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max = pool['size']
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lastBoot = backend.hget('vmpooler__lastboot',pool['name']).to_s
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aka = pool['alias']
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result[:pools][pool['name']] = {
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ready: ready,
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running: running,
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pending: pending,
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max: max,
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lastBoot: lastBoot
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}
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if aka
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result[:pools][pool['name']][:alias] = aka
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end
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# for backwards compatibility, include separate "empty" stats in "status" block
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if ready == 0
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result[:status][:empty] ||= []
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result[:status][:empty].push(pool['name'])
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result[:status][:ok] = false
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result[:status][:message] = "Found #{result[:status][:empty].length} empty pools."
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end
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end unless views and not views.include?("pools")
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result[:status][:uptime] = (Time.now - Vmpooler::API.settings.config[:uptime]).round(1) if Vmpooler::API.settings.config[:uptime]
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JSON.pretty_generate(Hash[result.sort_by { |k, _v| k }])
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end
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get "#{api_prefix}/summary/?" do
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content_type :json
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result = {
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daily: []
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}
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from_param = params[:from] || Date.today.to_s
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to_param = params[:to] || Date.today.to_s
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# Validate date formats
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[from_param, to_param].each do |param|
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if !validate_date_str(param.to_s)
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halt 400, "Invalid date format '#{param}', must match YYYY-MM-DD."
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end
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end
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from_date, to_date = Date.parse(from_param), Date.parse(to_param)
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if to_date < from_date
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halt 400, 'Date range is invalid, \'to\' cannot come before \'from\'.'
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elsif from_date > Date.today
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halt 400, 'Date range is invalid, \'from\' must be in the past.'
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end
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boot = get_task_summary(backend, 'boot', from_date, to_date, :bypool => true)
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clone = get_task_summary(backend, 'clone', from_date, to_date, :bypool => true)
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tag = get_tag_summary(backend, from_date, to_date)
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result[:boot] = boot[:boot]
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result[:clone] = clone[:clone]
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result[:tag] = tag[:tag]
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daily = {}
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boot[:daily].each do |day|
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daily[day[:date]] ||= {}
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daily[day[:date]][:boot] = day[:boot]
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end
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clone[:daily].each do |day|
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daily[day[:date]] ||= {}
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daily[day[:date]][:clone] = day[:clone]
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end
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tag[:daily].each do |day|
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daily[day[:date]] ||= {}
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daily[day[:date]][:tag] = day[:tag]
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end
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daily.each_key do |day|
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result[:daily].push({
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date: day,
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boot: daily[day][:boot],
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clone: daily[day][:clone],
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tag: daily[day][:tag]
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})
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end
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JSON.pretty_generate(result)
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end
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get "#{api_prefix}/summary/:route/?:key?/?" do
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content_type :json
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result = {}
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from_param = params[:from] || Date.today.to_s
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to_param = params[:to] || Date.today.to_s
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# Validate date formats
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[from_param, to_param].each do |param|
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if !validate_date_str(param.to_s)
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halt 400, "Invalid date format '#{param}', must match YYYY-MM-DD."
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end
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end
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from_date, to_date = Date.parse(from_param), Date.parse(to_param)
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if to_date < from_date
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halt 400, 'Date range is invalid, \'to\' cannot come before \'from\'.'
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elsif from_date > Date.today
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halt 400, 'Date range is invalid, \'from\' must be in the past.'
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end
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case params[:route]
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when 'boot'
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result = get_task_summary(backend, 'boot', from_date, to_date, :bypool => true, :only => params[:key])
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when 'clone'
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result = get_task_summary(backend, 'clone', from_date, to_date, :bypool => true, :only => params[:key])
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when 'tag'
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result = get_tag_summary(backend, from_date, to_date, :only => params[:key])
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else
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halt 404, JSON.pretty_generate({ 'ok' => false })
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end
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JSON.pretty_generate(result)
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end
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get "#{api_prefix}/token/?" do
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content_type :json
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status 404
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result = { 'ok' => false }
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if Vmpooler::API.settings.config[:auth]
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status 401
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need_auth!
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backend.keys('vmpooler__token__*').each do |key|
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data = backend.hgetall(key)
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if data['user'] == Rack::Auth::Basic::Request.new(request.env).username
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token = key.split('__').last
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result[token] ||= {}
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result[token]['created'] = data['created']
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result[token]['last'] = data['last'] || 'never'
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result['ok'] = true
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end
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end
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if result['ok']
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status 200
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else
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status 404
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end
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end
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JSON.pretty_generate(result)
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end
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get "#{api_prefix}/token/:token/?" do
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content_type :json
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status 404
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result = { 'ok' => false }
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if Vmpooler::API.settings.config[:auth]
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token = backend.hgetall('vmpooler__token__' + params[:token])
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if not token.nil? and not token.empty?
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status 200
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pools.each do |pool|
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backend.smembers('vmpooler__running__' + pool['name']).each do |vm|
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if backend.hget('vmpooler__vm__' + vm, 'token:token') == params[:token]
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token['vms'] ||= {}
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token['vms']['running'] ||= []
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token['vms']['running'].push(vm)
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end
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end
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end
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result = { 'ok' => true, params[:token] => token }
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end
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end
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JSON.pretty_generate(result)
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end
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delete "#{api_prefix}/token/:token/?" do
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content_type :json
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status 404
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result = { 'ok' => false }
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if Vmpooler::API.settings.config[:auth]
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status 401
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need_auth!
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if backend.del('vmpooler__token__' + params[:token]).to_i > 0
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status 200
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result['ok'] = true
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end
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end
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JSON.pretty_generate(result)
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end
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post "#{api_prefix}/token" do
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content_type :json
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status 404
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result = { 'ok' => false }
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if Vmpooler::API.settings.config[:auth]
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status 401
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need_auth!
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o = [('a'..'z'), ('0'..'9')].map(&:to_a).flatten
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result['token'] = o[rand(25)] + (0...31).map { o[rand(o.length)] }.join
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backend.hset('vmpooler__token__' + result['token'], 'user', @auth.username)
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backend.hset('vmpooler__token__' + result['token'], 'created', Time.now)
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status 200
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result['ok'] = true
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end
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JSON.pretty_generate(result)
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end
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get "#{api_prefix}/vm/?" do
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content_type :json
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result = []
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pools.each do |pool|
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result.push(pool['name'])
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end
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JSON.pretty_generate(result)
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end
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post "#{api_prefix}/vm/?" do
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content_type :json
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result = { 'ok' => false }
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payload = JSON.parse(request.body.read)
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if payload
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invalid = invalid_templates(payload)
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if invalid.empty?
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result = atomically_allocate_vms(payload)
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else
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invalid.each do |bad_template|
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metrics.increment('checkout.invalid.' + bad_template)
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end
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status 404
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end
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else
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metrics.increment('checkout.invalid.unknown')
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status 404
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end
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JSON.pretty_generate(result)
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end
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def extract_templates_from_query_params(params)
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payload = {}
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params.split('+').each do |template|
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payload[template] ||= 0
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payload[template] += 1
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end
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payload
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end
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def invalid_templates(payload)
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invalid = []
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payload.keys.each do |template|
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invalid << template unless pool_exists?(template)
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end
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invalid
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end
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post "#{api_prefix}/vm/:template/?" do
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content_type :json
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result = { 'ok' => false }
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payload = extract_templates_from_query_params(params[:template])
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if payload
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invalid = invalid_templates(payload)
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if invalid.empty?
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result = atomically_allocate_vms(payload)
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else
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invalid.each do |bad_template|
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metrics.increment('checkout.invalid.' + bad_template)
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end
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status 404
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end
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else
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metrics.increment('checkout.invalid.unknown')
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status 404
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end
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JSON.pretty_generate(result)
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end
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get "#{api_prefix}/vm/:hostname/?" do
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content_type :json
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result = {}
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status 404
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result['ok'] = false
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params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
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rdata = backend.hgetall('vmpooler__vm__' + params[:hostname])
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unless rdata.empty?
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status 200
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result['ok'] = true
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result[params[:hostname]] = {}
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result[params[:hostname]]['template'] = rdata['template']
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result[params[:hostname]]['lifetime'] = (rdata['lifetime'] || config['vm_lifetime']).to_i
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if rdata['destroy']
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result[params[:hostname]]['running'] = ((Time.parse(rdata['destroy']) - Time.parse(rdata['checkout'])) / 60 / 60).round(2)
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result[params[:hostname]]['state'] = 'destroyed'
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elsif rdata['checkout']
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result[params[:hostname]]['running'] = ((Time.now - Time.parse(rdata['checkout'])) / 60 / 60).round(2)
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result[params[:hostname]]['state'] = 'running'
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elsif rdata['check']
|
|
result[params[:hostname]]['state'] = 'ready'
|
|
else
|
|
result[params[:hostname]]['state'] = 'pending'
|
|
end
|
|
|
|
rdata.keys.each do |key|
|
|
if key.match('^tag\:(.+?)$')
|
|
result[params[:hostname]]['tags'] ||= {}
|
|
result[params[:hostname]]['tags'][$1] = rdata[key]
|
|
end
|
|
|
|
if key.match('^snapshot\:(.+?)$')
|
|
result[params[:hostname]]['snapshots'] ||= []
|
|
result[params[:hostname]]['snapshots'].push($1)
|
|
end
|
|
end
|
|
|
|
if rdata['disk']
|
|
result[params[:hostname]]['disk'] = rdata['disk'].split(':')
|
|
end
|
|
|
|
# Look up IP address of the hostname
|
|
begin
|
|
ipAddress = TCPSocket.gethostbyname(params[:hostname])[3]
|
|
rescue
|
|
ipAddress = ""
|
|
end
|
|
|
|
result[params[:hostname]]['ip'] = ipAddress
|
|
|
|
if config['domain']
|
|
result[params[:hostname]]['domain'] = config['domain']
|
|
end
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
delete "#{api_prefix}/vm/:hostname/?" do
|
|
content_type :json
|
|
|
|
result = {}
|
|
|
|
status 404
|
|
result['ok'] = false
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
|
|
|
|
rdata = backend.hgetall('vmpooler__vm__' + params[:hostname])
|
|
unless rdata.empty?
|
|
need_token! if rdata['token:token']
|
|
|
|
if backend.srem('vmpooler__running__' + rdata['template'], params[:hostname])
|
|
backend.sadd('vmpooler__completed__' + rdata['template'], params[:hostname])
|
|
|
|
status 200
|
|
result['ok'] = true
|
|
end
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
put "#{api_prefix}/vm/:hostname/?" do
|
|
content_type :json
|
|
|
|
status 404
|
|
result = { 'ok' => false }
|
|
|
|
failure = false
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
|
|
|
|
if backend.exists('vmpooler__vm__' + params[:hostname])
|
|
begin
|
|
jdata = JSON.parse(request.body.read)
|
|
rescue
|
|
halt 400, JSON.pretty_generate(result)
|
|
end
|
|
|
|
# Validate data payload
|
|
jdata.each do |param, arg|
|
|
case param
|
|
when 'lifetime'
|
|
need_token! if Vmpooler::API.settings.config[:auth]
|
|
|
|
unless arg.to_i > 0
|
|
failure = true
|
|
end
|
|
when 'tags'
|
|
unless arg.is_a?(Hash)
|
|
failure = true
|
|
end
|
|
|
|
if config['allowed_tags']
|
|
failure = true if not (arg.keys - config['allowed_tags']).empty?
|
|
end
|
|
else
|
|
failure = true
|
|
end
|
|
end
|
|
|
|
if failure
|
|
status 400
|
|
else
|
|
jdata.each do |param, arg|
|
|
case param
|
|
when 'lifetime'
|
|
need_token! if Vmpooler::API.settings.config[:auth]
|
|
|
|
arg = arg.to_i
|
|
|
|
backend.hset('vmpooler__vm__' + params[:hostname], param, arg)
|
|
when 'tags'
|
|
filter_tags(arg)
|
|
export_tags(backend, params[:hostname], arg)
|
|
end
|
|
end
|
|
|
|
status 200
|
|
result['ok'] = true
|
|
end
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
post "#{api_prefix}/vm/:hostname/disk/:size/?" do
|
|
content_type :json
|
|
|
|
need_token! if Vmpooler::API.settings.config[:auth]
|
|
|
|
status 404
|
|
result = { 'ok' => false }
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
|
|
|
|
if ((params[:size].to_i > 0 )and (backend.exists('vmpooler__vm__' + params[:hostname])))
|
|
result[params[:hostname]] = {}
|
|
result[params[:hostname]]['disk'] = "+#{params[:size]}gb"
|
|
|
|
backend.sadd('vmpooler__tasks__disk', params[:hostname] + ':' + params[:size])
|
|
|
|
status 202
|
|
result['ok'] = true
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
post "#{api_prefix}/vm/:hostname/snapshot/?" do
|
|
content_type :json
|
|
|
|
need_token! if Vmpooler::API.settings.config[:auth]
|
|
|
|
status 404
|
|
result = { 'ok' => false }
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
|
|
|
|
if backend.exists('vmpooler__vm__' + params[:hostname])
|
|
result[params[:hostname]] = {}
|
|
|
|
o = [('a'..'z'), ('0'..'9')].map(&:to_a).flatten
|
|
result[params[:hostname]]['snapshot'] = o[rand(25)] + (0...31).map { o[rand(o.length)] }.join
|
|
|
|
backend.sadd('vmpooler__tasks__snapshot', params[:hostname] + ':' + result[params[:hostname]]['snapshot'])
|
|
|
|
status 202
|
|
result['ok'] = true
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
post "#{api_prefix}/vm/:hostname/snapshot/:snapshot/?" do
|
|
content_type :json
|
|
|
|
need_token! if Vmpooler::API.settings.config[:auth]
|
|
|
|
status 404
|
|
result = { 'ok' => false }
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname], config['domain'])
|
|
|
|
unless backend.hget('vmpooler__vm__' + params[:hostname], 'snapshot:' + params[:snapshot]).to_i.zero?
|
|
backend.sadd('vmpooler__tasks__snapshot-revert', params[:hostname] + ':' + params[:snapshot])
|
|
|
|
status 202
|
|
result['ok'] = true
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
end
|
|
end
|
|
end
|