mirror of
https://github.com/puppetlabs/vmpooler.git
synced 2026-01-26 10:08:40 -05:00
463 lines
13 KiB
Ruby
463 lines
13 KiB
Ruby
module Vmpooler
|
|
class API
|
|
class V1 < Sinatra::Base
|
|
api_version = '1'
|
|
api_prefix = "/api/v#{api_version}"
|
|
|
|
helpers do
|
|
def get_capacity_metrics()
|
|
capacity = {
|
|
current: 0,
|
|
total: 0,
|
|
percent: 0
|
|
}
|
|
|
|
$config[:pools].each do |pool|
|
|
pool['capacity'] = $redis.scard('vmpooler__ready__' + pool['name']).to_i
|
|
|
|
capacity[:current] += pool['capacity']
|
|
capacity[:total] += pool['size'].to_i
|
|
end
|
|
|
|
if capacity[:total] > 0
|
|
capacity[:percent] = ((capacity[:current].to_f / capacity[:total].to_f) * 100.0).round(1)
|
|
end
|
|
|
|
capacity
|
|
end
|
|
|
|
def get_clone_metrics(date)
|
|
clone = {
|
|
duration: {
|
|
average: 0,
|
|
min: 0,
|
|
max: 0
|
|
},
|
|
count: {
|
|
total: 0
|
|
}
|
|
}
|
|
|
|
clone[:count][:total] = $redis.hlen('vmpooler__clone__' + date).to_i
|
|
|
|
if clone[:count][:total] > 0
|
|
clone_times = get_clone_times(date)
|
|
|
|
clone[:duration][:average] = (clone_times.reduce(:+).to_f / clone[:count][:total]).round(1)
|
|
clone[:duration][:min], clone[:duration][:max] = clone_times.minmax
|
|
end
|
|
|
|
clone
|
|
end
|
|
|
|
def get_clone_times(date)
|
|
$redis.hvals('vmpooler__clone__' + date.to_s).map(&:to_f)
|
|
end
|
|
|
|
def get_queue_metrics()
|
|
queue = {
|
|
pending: 0,
|
|
cloning: 0,
|
|
booting: 0,
|
|
ready: 0,
|
|
running: 0,
|
|
completed: 0,
|
|
total: 0
|
|
}
|
|
|
|
$config[:pools].each do |pool|
|
|
queue[:pending] += $redis.scard('vmpooler__pending__' + pool['name']).to_i
|
|
queue[:ready] += $redis.scard('vmpooler__ready__' + pool['name']).to_i
|
|
queue[:running] += $redis.scard('vmpooler__running__' + pool['name']).to_i
|
|
queue[:completed] += $redis.scard('vmpooler__completed__' + pool['name']).to_i
|
|
end
|
|
|
|
queue[:cloning] = $redis.get('vmpooler__tasks__clone').to_i
|
|
queue[:booting] = queue[:pending].to_i - queue[:cloning].to_i
|
|
queue[:booting] = 0 if queue[:booting] < 0
|
|
queue[:total] = queue[:pending].to_i + queue[:ready].to_i + queue[:running].to_i + queue[:completed].to_i
|
|
|
|
queue
|
|
end
|
|
|
|
def hostname_shorten(hostname)
|
|
if $config[:config]['domain'] && hostname =~ /^\w+\.#{$config[:config]['domain']}$/
|
|
hostname = hostname[/[^\.]+/]
|
|
end
|
|
|
|
hostname
|
|
end
|
|
|
|
def mean(list)
|
|
s = list.map(&:to_f).reduce(:+).to_f
|
|
(s > 0 && list.length > 0) ? s / list.length.to_f : 0
|
|
end
|
|
|
|
def validate_date_str(date_str)
|
|
/^\d{4}-\d{2}-\d{2}$/ === date_str
|
|
end
|
|
end
|
|
|
|
get "#{api_prefix}/status/?" do
|
|
content_type :json
|
|
|
|
result = {
|
|
status: {
|
|
ok: true,
|
|
message: 'Battle station fully armed and operational.'
|
|
}
|
|
}
|
|
|
|
result[:capacity] = get_capacity_metrics()
|
|
result[:queue] = get_queue_metrics()
|
|
result[:clone] = get_clone_metrics(Date.today.to_s)
|
|
|
|
# Check for empty pools
|
|
$config[:pools].each do |pool|
|
|
if $redis.scard('vmpooler__ready__' + pool['name']).to_i == 0
|
|
result[:status][:empty] ||= []
|
|
result[:status][:empty].push(pool['name'])
|
|
|
|
result[:status][:ok] = false
|
|
result[:status][:message] = "Found #{result[:status][:empty].length} empty pools."
|
|
end
|
|
end
|
|
|
|
result[:status][:uptime] = (Time.now - $config[:uptime]).round(1) if $config[:uptime]
|
|
|
|
JSON.pretty_generate(Hash[result.sort_by { |k, _v| k }])
|
|
end
|
|
|
|
get "#{api_prefix}/summary/?" do
|
|
content_type :json
|
|
|
|
result = {
|
|
clone: {
|
|
duration: {
|
|
average: 0,
|
|
min: 0,
|
|
max: 0,
|
|
total: 0
|
|
},
|
|
count: {
|
|
average: 0,
|
|
min: 0,
|
|
max: 0,
|
|
total: 0
|
|
}
|
|
},
|
|
daily: [] # used for daily info
|
|
}
|
|
|
|
from_param = params[:from] || Date.today.to_s
|
|
to_param = params[:to] || Date.today.to_s
|
|
|
|
# Validate date formats
|
|
[from_param, to_param].each do |param|
|
|
if !validate_date_str(param.to_s)
|
|
halt 400, "Invalid date format '#{param}', must match YYYY-MM-DD."
|
|
end
|
|
end
|
|
|
|
from_date, to_date = Date.parse(from_param), Date.parse(to_param)
|
|
|
|
if to_date < from_date
|
|
halt 400, 'Date range is invalid, \'to\' cannot come before \'from\'.'
|
|
elsif from_date > Date.today
|
|
halt 400, 'Date range is invalid, \'from\' must be in the past.'
|
|
end
|
|
|
|
# total clone time for entire duration requested.
|
|
min_max_clone_times = [] # min/max clone times from each day.
|
|
total_clones_per_day = [] # total clones from each day
|
|
total_clone_dur_day = [] # total clone durations from each day
|
|
|
|
# generate sequence/range for from_date to to_date (inclusive).
|
|
# for each date, calculate the day's clone total & average, as well
|
|
# as add to total/overall values.
|
|
(from_date..to_date).each do |date|
|
|
me = {
|
|
date: date.to_s,
|
|
clone: {
|
|
duration: {
|
|
average: 0,
|
|
min: 0,
|
|
max: 0,
|
|
total: 0
|
|
},
|
|
count: {
|
|
total: $redis.hlen('vmpooler__clone__' + date.to_s).to_i
|
|
}
|
|
}
|
|
}
|
|
|
|
# add to daily clone count array
|
|
total_clones_per_day.push(me[:clone][:count][:total])
|
|
|
|
# fetch clone times from redis for this date. convert the results
|
|
# to float (numeric).
|
|
clone_times = get_clone_times(date)
|
|
|
|
unless clone_times.nil? or clone_times.length == 0
|
|
clone_time = clone_times.reduce(:+).to_f
|
|
# add clone time for this date for later processing
|
|
total_clone_dur_day.push(clone_time)
|
|
|
|
me[:clone][:duration][:total] = clone_time
|
|
|
|
# min and max clone durations for the day.
|
|
mi, ma = clone_times.minmax
|
|
me[:clone][:duration][:min], me[:clone][:duration][:max] = mi, ma
|
|
min_max_clone_times.push(mi, ma)
|
|
|
|
# if clone_total > 0, calculate clone_average.
|
|
# this prevents divide by 0 problems.
|
|
if me[:clone][:count][:total] > 0
|
|
me[:clone][:duration][:average] = mean(clone_times)
|
|
else
|
|
me[:clone][:duration][:average] = 0
|
|
end
|
|
end
|
|
|
|
# add to daily array
|
|
result[:daily].push(me)
|
|
end
|
|
|
|
# again, calc clone_average if we had clones.
|
|
unless total_clones_per_day.nil? or total_clones_per_day.length == 0
|
|
# totals
|
|
result[:clone][:count][:total] = total_clones_per_day.reduce(:+).to_i
|
|
result[:clone][:duration][:total] = total_clone_dur_day.reduce(:+).to_f
|
|
|
|
# averages and other things.
|
|
if result[:clone][:count][:total] != 0
|
|
result[:clone][:duration][:average] = result[:clone][:duration][:total] / result[:clone][:count][:total]
|
|
end
|
|
|
|
if min_max_clone_times.length > 0
|
|
result[:clone][:duration][:min], result[:clone][:duration][:max] = min_max_clone_times.minmax
|
|
end
|
|
|
|
result[:clone][:count][:min], result[:clone][:count][:max] = total_clones_per_day.minmax
|
|
result[:clone][:count][:average] = mean(total_clones_per_day)
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
get "#{api_prefix}/vm/?" do
|
|
content_type :json
|
|
|
|
result = []
|
|
|
|
$config[:pools].each do |pool|
|
|
result.push(pool['name'])
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
post "#{api_prefix}/vm/?" do
|
|
content_type :json
|
|
|
|
result = {}
|
|
|
|
available = 1
|
|
|
|
jdata = JSON.parse(request.body.read)
|
|
|
|
jdata.each do |key, val|
|
|
if $redis.scard('vmpooler__ready__' + key) < val.to_i
|
|
available = 0
|
|
end
|
|
end
|
|
|
|
if (available == 1)
|
|
result['ok'] = true
|
|
|
|
jdata.each do |key, val|
|
|
result[key] ||= {}
|
|
|
|
result[key]['ok'] = true ##
|
|
|
|
val.to_i.times do |_i|
|
|
vm = $redis.spop('vmpooler__ready__' + key)
|
|
|
|
unless vm.nil?
|
|
$redis.sadd('vmpooler__running__' + key, vm)
|
|
$redis.hset('vmpooler__active__' + key, vm, Time.now)
|
|
|
|
result[key] ||= {}
|
|
|
|
result[key]['ok'] = true ##
|
|
|
|
if result[key]['hostname']
|
|
result[key]['hostname'] = [result[key]['hostname']] unless result[key]['hostname'].is_a?(Array)
|
|
result[key]['hostname'].push(vm)
|
|
else
|
|
result[key]['hostname'] = vm
|
|
end
|
|
else
|
|
result[key]['ok'] = false ##
|
|
|
|
status 503
|
|
result['ok'] = false
|
|
end
|
|
end
|
|
end
|
|
else
|
|
status 503
|
|
result['ok'] = false
|
|
end
|
|
|
|
if result['ok'] && $config[:config]['domain']
|
|
result['domain'] = $config[:config]['domain']
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
post "#{api_prefix}/vm/:template/?" do
|
|
content_type :json
|
|
|
|
result = {}
|
|
request = {}
|
|
|
|
params[:template].split('+').each do |template|
|
|
request[template] ||= 0
|
|
request[template] = request[template] + 1
|
|
end
|
|
|
|
available = 1
|
|
|
|
request.keys.each do |template|
|
|
if $redis.scard('vmpooler__ready__' + template) < request[template]
|
|
available = 0
|
|
end
|
|
end
|
|
|
|
if (available == 1)
|
|
result['ok'] = true
|
|
|
|
params[:template].split('+').each do |template|
|
|
result[template] ||= {}
|
|
|
|
result[template]['ok'] = true ##
|
|
|
|
vm = $redis.spop('vmpooler__ready__' + template)
|
|
|
|
unless vm.nil?
|
|
$redis.sadd('vmpooler__running__' + template, vm)
|
|
$redis.hset('vmpooler__active__' + template, vm, Time.now)
|
|
|
|
result[template] ||= {}
|
|
|
|
if result[template]['hostname']
|
|
result[template]['hostname'] = [result[template]['hostname']] unless result[template]['hostname'].is_a?(Array)
|
|
result[template]['hostname'].push(vm)
|
|
else
|
|
result[template]['hostname'] = vm
|
|
end
|
|
else
|
|
result[template]['ok'] = false ##
|
|
|
|
status 503
|
|
result['ok'] = false
|
|
end
|
|
end
|
|
else
|
|
status 503
|
|
result['ok'] = false
|
|
end
|
|
|
|
if result['ok'] && $config[:config]['domain']
|
|
result['domain'] = $config[:config]['domain']
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
get "#{api_prefix}/vm/:hostname/?" do
|
|
content_type :json
|
|
|
|
result = {}
|
|
|
|
status 404
|
|
result['ok'] = false
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname])
|
|
|
|
if $redis.exists('vmpooler__vm__' + params[:hostname])
|
|
stauts 200
|
|
result['ok'] = true
|
|
|
|
result[params[:hostname]] = {}
|
|
|
|
result[params[:hostname]]['template'] = $redis.hget('vmpooler__vm__' + params[:hostname], 'template')
|
|
result[params[:hostname]]['lifetime'] = $redis.hget('vmpooler__vm__' + params[:hostname], 'lifetime') || $config[:config]['vm_lifetime']
|
|
result[params[:hostname]]['running'] = ((Time.now - Time.parse($redis.hget('vmpooler__active__' + result[params[:hostname]]['template'], params[:hostname]))) / 60 / 60).round(2)
|
|
|
|
if $config[:config]['domain']
|
|
result[params[:hostname]]['domain'] = $config[: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[:pools].each do |pool|
|
|
if $redis.sismember('vmpooler__running__' + pool['name'], params[:hostname])
|
|
$redis.srem('vmpooler__running__' + pool['name'], params[:hostname])
|
|
$redis.sadd('vmpooler__completed__' + pool['name'], params[:hostname])
|
|
|
|
status 200
|
|
result['ok'] = true
|
|
end
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
|
|
put "#{api_prefix}/vm/:hostname/?" do
|
|
content_type :json
|
|
|
|
result = {}
|
|
|
|
status 404
|
|
result['ok'] = false
|
|
|
|
params[:hostname] = hostname_shorten(params[:hostname])
|
|
|
|
if $redis.exists('vmpooler__vm__' + params[:hostname])
|
|
jdata = JSON.parse(request.body.read)
|
|
|
|
jdata.each do |param, arg|
|
|
case param
|
|
when 'lifetime'
|
|
arg = arg.to_i
|
|
|
|
if arg > 0
|
|
$redis.hset('vmpooler__vm__' + params[:hostname], param, arg)
|
|
|
|
status 200
|
|
result['ok'] = true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
JSON.pretty_generate(result)
|
|
end
|
|
end
|
|
end
|
|
end
|