Class: Pooler

Inherits:
Object
  • Object
show all
Defined in:
lib/vmfloaty/pooler.rb

Class Method Summary collapse

Class Method Details

.delete(verbose, url, hosts, token) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 108

def self.delete(verbose, url, hosts, token)
  if token.nil?
    raise TokenError, "Token provided was nil. Request cannot be made to delete vm"
  end

  conn = Http.get_conn(verbose, url)

  if token
    conn.headers['X-AUTH-TOKEN'] = token
  end

  response_body = {}

  hosts.each do |host|
    response = conn.delete "vm/#{host}"
    res_body = JSON.parse(response.body)
    response_body[host] = res_body
  end

  response_body
end

.disk(verbose, url, hostname, token, disk) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 94

def self.disk(verbose, url, hostname, token, disk)
  if token.nil?
    raise TokenError, "Token provided was nil. Request cannot be made to modify vm"
  end

  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token

  response = conn.post "vm/#{hostname}/disk/#{disk}"

  res_body = JSON.parse(response.body)
  res_body
end

.list(verbose, url, os_filter = nil) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 7

def self.list(verbose, url, os_filter=nil)
  conn = Http.get_conn(verbose, url)

  response = conn.get 'vm'
  response_body = JSON.parse(response.body)

  if os_filter
    hosts = response_body.select { |i| i[/#{os_filter}/] }
  else
    hosts = response_body
  end

  hosts
end

.list_active(verbose, url, token) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 22

def self.list_active(verbose, url, token)
  status = Auth.token_status(verbose, url, token)
  vms = []
  if status[token] && status[token]['vms']
    vms = status[token]['vms']['running']
  end
  vms
end

.modify(verbose, url, hostname, token, modify_hash) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 66

def self.modify(verbose, url, hostname, token, modify_hash)
  if token.nil?
    raise TokenError, "Token provided was nil. Request cannot be made to modify vm"
  end

  modify_hash.keys.each do |key|
    unless [:tags, :lifetime, :disk].include? key
      raise ModifyError, "Configured service type does not support modification of #{key}."
    end
  end

  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token

  if modify_hash['disk']
    disk(verbose, url, hostname, token, modify_hash['disk'])
    modify_hash.delete 'disk'
  end

  response = conn.put do |req|
    req.url "vm/#{hostname}"
    req.body = modify_hash.to_json
  end

  res_body = JSON.parse(response.body)
  res_body
end

.query(verbose, url, hostname) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 146

def self.query(verbose, url, hostname)
  conn = Http.get_conn(verbose, url)

  response = conn.get "vm/#{hostname}"
  res_body = JSON.parse(response.body)

  res_body
end

.retrieve(verbose, os_type, token, url) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 31

def self.retrieve(verbose, os_type, token, url)
  # NOTE:
  #   Developers can use `Utils.generate_os_hash` to
  #   generate the os_type param.
  conn = Http.get_conn(verbose, url)
  if token
    conn.headers['X-AUTH-TOKEN'] = token
  end

  os_string = ""
  os_type.each do |os,num|
    num.times do |i|
      os_string << os+"+"
    end
  end

  os_string = os_string.chomp("+")

  if os_string.size == 0
    raise MissingParamError, "No operating systems provided to obtain."
  end

  response = conn.post "vm/#{os_string}"

  res_body = JSON.parse(response.body)

  if res_body["ok"]
    res_body
  elsif response.status == 401
    raise AuthError, "HTTP #{response.status}: The token provided could not authenticate to the pooler.\n#{res_body}"
  else
    raise "HTTP #{response.status}: Failed to obtain VMs from the pooler at #{url}/vm/#{os_string}. #{res_body}"
  end
end

.revert(verbose, url, hostname, token, snapshot_sha) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 168

def self.revert(verbose, url, hostname, token, snapshot_sha)
  if token.nil?
    raise TokenError, "Token provided was nil. Request cannot be made to revert vm"
  end

  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token

  if snapshot_sha.nil?
    raise "Snapshot SHA provided was nil, could not revert #{hostname}"
  end

  response = conn.post "vm/#{hostname}/snapshot/#{snapshot_sha}"
  res_body = JSON.parse(response.body)
  res_body
end

.snapshot(verbose, url, hostname, token) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 155

def self.snapshot(verbose, url, hostname, token)
  if token.nil?
    raise TokenError, "Token provided was nil. Request cannot be made to snapshot vm"
  end

  conn = Http.get_conn(verbose, url)
  conn.headers['X-AUTH-TOKEN'] = token

  response = conn.post "vm/#{hostname}/snapshot"
  res_body = JSON.parse(response.body)
  res_body
end

.status(verbose, url) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 130

def self.status(verbose, url)
  conn = Http.get_conn(verbose, url)

  response = conn.get '/status'
  res_body = JSON.parse(response.body)
  res_body
end

.summary(verbose, url) ⇒ Object 



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# File 'lib/vmfloaty/pooler.rb', line 138

def self.summary(verbose, url)
  conn = Http.get_conn(verbose, url)

  response = conn.get '/summary'
  res_body = JSON.parse(response.body)
  res_body
end