Class: Chef::Provisioning::AzureRM::Driver

Inherits:
Driver
  • Object
show all
Defined in:
lib/chef/provisioning/azurerm/driver.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(driver_url, config) ⇒ Driver

Returns a new instance of Driver.



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 57

def initialize(driver_url, config)
  super
  scheme, subscription_id = driver_url.split(':', 2)
  self.subscription_id = subscription_id
  @subscription = Credentials.new.azure_credentials_for_subscription(subscription_id)
  unless subscription
    raise "Driver #{driver_url} has a subscription ID, but the system has no credentials configured for it!  If you have access to this subscription, you can use `azure account download` and `azure account import` in the Azure CLI to get the credentials, or set azure_subscriptions to [ { subscription_id: '...', management_credentials: ... }] in your Chef configuration."
  end
  Chef::Config.chef_provisioning ||= {}
end

Instance Attribute Details

#region ⇒ Object (readonly)

Returns the value of attribute region.



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 29

def region
  @region
end

#subscription ⇒ Object (readonly)

Returns the value of attribute subscription.



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 68

def subscription
  @subscription
end

#subscription_id ⇒ Object

Returns the value of attribute subscription_id.



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 69

def subscription_id
  @subscription_id
end

Class Method Details

.canonicalize_url(driver_url, config) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 40

def self.canonicalize_url(driver_url, config)
  scheme,  = driver_url.split(':', 2)
  if .nil? || .empty?
    subscription = Credentials.new
    subscription.azure_credentials_for_subscription(subscription_id)
    unless subscription
      raise "Driver #{driver_url} did not specify a subscription ID, and no default subscription was found.  Have you downloaded the Azure CLI and used `azure account download` and `azure account import` to set up Azure?  Alternately, you can set azure_subscriptions to [ { subscription_id: '...', management_credentials: ... }] in your Chef configuration."
    end
    config = Cheffish::MergedConfig.new({ azure_subscriptions: subscription }, config)
  end
  if subscription
    ["#{scheme}:#{subscription[:subscription_id]}", config]
  else
    [driver_url, config]
  end
end

.from_url(driver_url, config) ⇒ AzureDriver

Construct an AzureDriver object from a URL - used to parse existing URL data to hydrate a driver object. URL scheme: azure:subscription_id

Returns:

  • (AzureDriver) —

    A chef-provisioning Azure driver object for the given URL



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 36

def self.from_url(driver_url, config)
  Driver.new(driver_url, config)
end

Instance Method Details

#allocate_load_balancer(action_handler, lb_spec, lb_options, machine_specs) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 338

def allocate_load_balancer(action_handler, lb_spec, lb_options, machine_specs)
  tags = lb_options[:tags]
  resource_group = lb_options[:resource_group]
  location = lb_options[:location]
  virtual_network = lb_options[:virtual_network]
  subnet_name = lb_options[:subnet_name]

  subinfo = azure_net_service.subnets.get(lb_options.resource_group, lb_options.virtual_network, lb_options.subnet_name)

  backend_pool = []

  count = backend_pool.count
  backend_pool[0] = Azure::ARM::Network::Models::BackendAddressPool.new
  backend_pool[0].name = lb_spec.name


  frontend_ipconf = Azure::ARM::Network::Models::FrontendIPConfiguration.new.tap do |feip|
    lb_options[:frontendIPConfigurations].each do |fendip|
      feip.name = fendip[:name]
      feip.subnet = subinfo
      feip.private_ipallocation_method = fendip[:private_ipallocation_method]
    end
  end

  probe = Azure::ARM::Network::Models::Probe.new.tap do |prb|
    lb_options[:probes].each do |prbes|
      prb.name = prbes[:name]
      prb.port = prbes[:port]
      prb.protocol = prbes[:protocol]
      if prbes[:protocol].to_s == "http"
        prb.request_path = prbes[:request_path]
      else
        prb.request_path = nil
      end
      prb.interval_in_seconds = prbes[:interval_in_seconds]
      prb.number_of_probes = prbes[:number_of_probes]
    end
  end

  lb = Azure::ARM::Network::Models::LoadBalancer.new.tap do |lbinfo|
    lbinfo.location = location
    lbinfo.tags = tags
    lbinfo.frontend_ipconfigurations = [frontend_ipconf]
    lbinfo.backend_address_pools = backend_pool
    lbinfo.probes = [probe]
  end

  lb_update(resource_group, lb_spec.name, lb) # inital build

  mylb = azure_net_service.load_balancers.get(resource_group, lb_spec.name)

  machine_specs.each do |ivm|
    vmnic = azure_net_service.network_interfaces.get(resource_group, ivm.name)
    mylb.backend_address_pools.each do |pool|
      vmnic.ip_configurations.first.load_balancer_backend_address_pools = [pool] # mylb.backend_address_pools
      azure_net_service.network_interfaces.create_or_update(resource_group, ivm.name, vmnic)
    end
  end

  frontend_ipconf_sub = MsRestAzure::SubResource.new.tap do |subresource|
    subresource.id = azure_net_service.load_balancers.get(resource_group, lb_spec.name).frontend_ipconfigurations.first.id
  end

  backend_ipconf_sub = MsRestAzure::SubResource.new.tap do |subresource|
    subresource.id = mylb.backend_address_pools.first.id
  end

  probe_sub = MsRestAzure::SubResource.new.tap do |subresource|
    subresource.id = azure_net_service.load_balancers.get(resource_group, lb_spec.name).probes.first.id
  end

  unless lb_options[:inboundNatRules].nil?
    inboudnat = Azure::ARM::Network::Models::InboundNatRule.new.tap do |inat|
      lb_options[:inboundNatRules].each do |ibnat|
        inat.name = ibnat[:name]
        inat.frontend_port = ibnat[:frontend_port]
        inat.backend_port = ibnat[:backend_port]
        inat.protocol = ibnat[:protocol]
        inat.enable_floating_ip = ibnat[:enable_floating_ip]
        inat.idle_timeout_in_minutes = ibnat[:idle_timeout_in_minutes]
        inat.frontend_ipconfiguration = frontend_ipconf_sub
      end
    end
  end

  lbrules = Azure::ARM::Network::Models::LoadBalancingRule.new.tap do |lbrs|
    lb_options[:loadBalancingRules].each do |lbr|
      lbrs.name = lbr[:name]
      lbrs.backend_address_pool = backend_ipconf_sub
      lbrs.protocol = lbr[:protocol]
      lbrs.backend_port = lbr[:backend_port]
      lbrs.frontend_port = lbr[:frontend_port]
      lbrs.idle_timeout_in_minutes = lbr[:idle_timeout_in_minutes]
      lbrs.enable_floating_ip = lbr[:enable_floating_ip]
      lbrs.load_distribution = lbr[:load_distribution]
      lbrs.frontend_ipconfiguration = frontend_ipconf_sub
      lbrs.backend_address_pool = backend_ipconf_sub
      lbrs.probe = probe_sub
    end
  end

  lb = Azure::ARM::Network::Models::LoadBalancer.new.tap do |lbinfo|
    lbinfo.location = location
    lbinfo.tags = tags
    lbinfo.frontend_ipconfigurations = [frontend_ipconf]
    lbinfo.backend_address_pools = backend_pool
    unless lb_options[:inboundNatRules].nil?
      lbinfo.inbound_nat_rules = [inboudnat]
    end
    lbinfo.probes = [probe]
    lbinfo.load_balancing_rules = [lbrules]
  end
  lb_update(resource_group, lb_spec.name, lb) # update additions build
end

#allocate_machine(action_handler, machine_spec, machine_options) ⇒ Object

Allocate a new machine with the Azure API and start it up, without blocking to wait for it. Creates any needed resources to get a machine up and running.



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 87

def allocate_machine(action_handler, machine_spec, machine_options)
  existing_vm = vm_for(machine_spec)

  # We don't need to do anything if the existing VM is found
  return if existing_vm

  bootstrap_options = (machine_options[:bootstrap_options] || {}).dup
  vm_name = machine_spec.name
  location = bootstrap_options[:location] || machine_options[:location]
  resource_group_name = bootstrap_options[:resource_group_name]
  availability_set = bootstrap_options[:availability_set]
  osProfile = bootstrap_options[:osProfile]
  network_security_group_name = bootstrap_options[:network_security_group_name]
  tags = bootstrap_options[:tags]
  raise 'location not provided, where the virtual machine should be created' unless location
  raise 'resource_group_name not provided, where the virtual machine should be created' unless resource_group_name
  raise 'osProfile properties not provided in bootstrap_options' unless osProfile
  computerName = osProfile[:computerName]
  adminPassword = osProfile[:adminPassword]
  adminUsername = osProfile[:adminUsername]
  linuxConfiguration = osProfile[:linuxConfiguration]
  raise 'adminUsername under osProfile properties not provided in bootstrap_options' unless adminUsername

  Chef::Log.debug "Azure machine_options: #{machine_options.inspect}"
  action_handler.report_progress "Creating #{machine_spec.name} in #{location} with supplied parameters..."

  if availability_set
    action_handler.report_progress "Looking for availability_set #{availability_set}."
    availability_set_id = azure_vm_service.availability_sets.get(resource_group_name, availability_set).id
    raise "availability_set #{availability_set}  under resource group #{resource_group_name} was not found." unless availability_set_id
    availabilitySet = MsRestAzure::SubResource.new.tap do |subResource|
      subResource.id = availability_set_id
    end
  end

  action_handler.report_progress "Preparing OS disk for the VM #{vm_name}..."
  begin
    os_disk_exist = azure_vm_service.disks.get(resource_group_name, "#{vm_name}_os_disk")
  rescue MsRestAzure::AzureOperationError
    os_disk_exist = nil
  end
  if os_disk_exist
    action_handler.report_progress "OS disk with the name #{vm_name}_os_disk already exist."
    action_handler.report_progress 'checking attached status...'
    if os_disk_exist.owner_id.nil?
      action_handler.report_progress "OS disk #{vm_name} not attached to any VM. Using this..."
      os_disk = Azure::ARM::Compute::Models::OSDisk.new.tap do |os_disk|
        os_disk.create_option = 'attach'
        os_disk.os_type = machine_spec.reference['is_windows'] ? 'Windows' : 'Linux'
        os_disk.managed_disk = Azure::ARM::Compute::Models::ManagedDiskParameters.new.tap do |managedDisk|
          managedDisk.id = os_disk_exist.id
        end
      end
    else
      raise "OS disk #{vm_name} attached to a VM. Contact your cloud administrator or change VM name."
    end
  else
    os_disk = Azure::ARM::Compute::Models::OSDisk.new.tap do |os_disk|
      os_disk.name = "#{vm_name}_os_disk"
      os_disk.create_option = Azure::ARM::Compute::Models::DiskCreateOptionTypes::FromImage
      os_disk.managed_disk = Azure::ARM::Compute::Models::ManagedDiskParameters.new.tap do |managedDisk|
        managedDisk. = bootstrap_options[:storageProfile][:storage_account_type]
      end
    end
  end

  begin
    subnet = azure_net_service.subnets.get(resource_group_name, bootstrap_options[:virtual_network_name], bootstrap_options[:subnet_name])
  rescue MsRestAzure::AzureOperationError => e
    raise e.message
  end
  action_handler.report_progress "Creating a network interface for the VM #{vm_name}"
  begin
    nic_exist = azure_net_service.network_interfaces.get(resource_group_name, vm_name)
  rescue MsRestAzure::AzureOperationError
    nic_exist = nil
  end
  if nic_exist
    action_handler.report_progress "network interface with the name #{vm_name} already exist."
    action_handler.report_progress 'checking attached status...'
    if nic_exist.virtual_machine.nil?
      action_handler.report_progress "network interface #{vm_name} not attached to any VM. Using this..."
      nic = nic_exist
    else
      raise "network interface #{vm_name} attached to a VM. Contact your cloud administrator or change VM name."
    end
  else
    begin
      network_security_group = azure_net_service.network_security_groups.get(resource_group_name, network_security_group_name) if network_security_group_name
    rescue MsRestAzure::AzureOperationError => e
      raise e.message
    end
    nic = azure_net_service.network_interfaces.create_or_update(
      resource_group_name,
      vm_name,
      Azure::ARM::Network::Models::NetworkInterface.new.tap do |interface|
        interface.location = location
        interface.network_security_group = network_security_group if network_security_group_name
        interface.ip_configurations = [
          Azure::ARM::Network::Models::NetworkInterfaceIPConfiguration.new.tap do |nic_conf|
            nic_conf.name = vm_name
            nic_conf.private_ipallocation_method = Azure::ARM::Network::Models::IPAllocationMethod::Dynamic
            nic_conf.subnet = subnet
          end
        ]
      end
    )
  end

  vm_create_params = Azure::ARM::Compute::Models::VirtualMachine.new.tap do |vm|
    vm.location = location
    vm.availability_set = availabilitySet if availability_set && availability_set_id
    vm.tags = tags if tags
    unless os_disk_exist
      vm.os_profile = Azure::ARM::Compute::Models::OSProfile.new.tap do |os_profile|
        os_profile.computer_name = computerName if computerName
        os_profile.admin_username = adminUsername
        os_profile.admin_password = adminPassword if adminPassword
        if linuxConfiguration
          os_profile.linux_configuration = Azure::ARM::Compute::Models::LinuxConfiguration.new.tap do |linux|
            linux.disable_password_authentication = linuxConfiguration[:disablePasswordAuthentication].nil? ? true : linuxConfiguration[:disablePasswordAuthentication]
            if ssh = linuxConfiguration[:ssh]
              linux.ssh = Azure::ARM::Compute::Models::SshConfiguration.new.tap do |ssh_config|
                if publicKeys = ssh[:publicKeys]
                  public_keys = []
                  publicKeys.each do |publicKey|
                    sshPublicKey = Azure::ARM::Compute::Models::SshPublicKey.new.tap do |pub_key|
                      pub_key.path = publicKey[:path] || "/home/#{adminUsername}/.ssh/authorized_keys"
                      if publicKey[:keyData]
                        pub_key.key_data = publicKey[:keyData]
                      else
                        raise 'public key keyData not provided'
                      end
                    end
                    public_keys << sshPublicKey
                  end
                  ssh_config.public_keys = public_keys
                end
              end
            end
          end
        end
      end
    end

    vm.storage_profile = Azure::ARM::Compute::Models::StorageProfile.new.tap do |store_profile|
      unless os_disk_exist
        store_profile.image_reference = Azure::ARM::Compute::Models::ImageReference.new.tap do |ref|
          ref.publisher = bootstrap_options[:storageProfile][:imageReference][:publisher]
          ref.offer = bootstrap_options[:storageProfile][:imageReference][:offer]
          ref.sku = bootstrap_options[:storageProfile][:imageReference][:sku]
          ref.version = bootstrap_options[:storageProfile][:imageReference][:version]
        end
      end
      store_profile.os_disk = os_disk
    end

    vm.hardware_profile = Azure::ARM::Compute::Models::HardwareProfile.new.tap do |hardware|
      hardware.vm_size = bootstrap_options[:hardwareProfile][:vmSize]
    end

    vm.network_profile = Azure::ARM::Compute::Models::NetworkProfile.new.tap do |net_profile|
      net_profile.network_interfaces = [
        Azure::ARM::Compute::Models::NetworkInterfaceReference.new.tap do |ref|
          ref.id = nic.id
          ref.primary = true
        end
      ]
    end
  end

  vm = azure_vm_service.virtual_machines.create_or_update(resource_group_name, machine_spec.name, vm_create_params)

  machine_spec.reference = {
    'driver_version' => Chef::Provisioning::AzureRM::VERSION,
    'allocated_at' => Time.now.utc.to_s,
    'host_node' => action_handler.host_node,
    'location' => location,
    'resource_group_name' => resource_group_name,
    'adminUsername' => adminUsername
  }
  machine_spec.driver_url = driver_url
  machine_spec.reference['key_name'] = bootstrap_options[:key_name] if bootstrap_options[:key_name]
  machine_spec.reference['transport_address_location'] = machine_options[:transport_address_location] if machine_options[:transport_address_location]
  machine_spec.reference['vm_name'] = machine_spec.name
  machine_spec.reference['is_windows'] = case vm.storage_profile.os_disk.os_type.downcase
                                         when 'windows'
                                           true
                                         else
                                           false
                                         end
  action_handler.report_progress "Created #{machine_spec.name} in #{location}..."
end

#connect_to_machine(name, chef_server = nil) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 281

def connect_to_machine(name, chef_server = nil)
  machine_spec = if name.is_a?(MachineSpec)
                   name
                 else
                   Chef::Provisioning::ChefMachineSpec.get(name, chef_server)
                 end

  machine_for(machine_spec, machine_spec.reference)
end

#deep_symbolize_keys(hash_like) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 71

def deep_symbolize_keys(hash_like)
  return {} if hash_like.nil? || hash_like.empty?
  r = {}
  hash_like.each do |key, value|
    value = deep_symbolize_keys(value) if value.respond_to?(:values)
    r[key.to_sym] = value
  end
  r
end

#destroy_load_balancer(action_handler, lb_spec, lb_options) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 457

def destroy_load_balancer(action_handler, lb_spec, lb_options)
  raise "#{lb_spec.name} hasn't recived a resource group. Unable to destroy." unless lb_options.resource_group
  azure_net_service.load_balancers.delete(lb_options.resource_group, lb_spec.name)
end

#destroy_machine(action_handler, machine_spec, _machine_options) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 318

def destroy_machine(action_handler, machine_spec, _machine_options)
  vm = vm_for(machine_spec)
  vm_name = machine_spec.name
  resource_group_name = machine_spec.reference['resource_group_name']
  # Check if we need to proceed
  return if vm.nil? || vm_name.nil? || resource_group_name.nil?
  # Skip if we don't actually need to do anything
  return unless action_handler.should_perform_actions

  # TODO: action_handler.do |block| ?
  action_handler.report_progress "Destroying VM #{machine_spec.name}"
  azure_vm_service.virtual_machines.delete(resource_group_name, vm_name)
  action_handler.report_progress "Destroying OS disk for machine #{vm_name}"
  azure_vm_service.disks.delete(resource_group_name, "#{vm_name}_os_disk")
  action_handler.report_progress "Destroying network interface #{machine_spec.name}"
  azure_net_service.network_interfaces.delete(resource_group_name, vm_name)
  action_handler.report_progress "Destroyed VM #{machine_spec.name}"
end

#lb_update(resource_group, name, lb) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 453

def lb_update(resource_group, name, lb)
  azure_net_service.load_balancers.create_or_update(resource_group, name, lb)
end

#ready_machine(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef/provisioning/azurerm/driver.rb', line 292

def ready_machine(action_handler, machine_spec, machine_options)
  machine_options = deep_symbolize_keys(machine_options)
  vm = vm_for(machine_spec)

  if vm.nil?
    raise "Machine #{machine_spec.name} does not have a VM associated with it, or the VM does not exist."
  end

  case machine_power_state(vm)
  when 'running'
    action_handler.report_progress "#{machine_spec.name} is ready"
  when 'stopped'
    action_handler.report_progress "#{machine_spec.name} is stopped. Driver can't start it, please contact admin"
    raise "#{machine_spec.name} is stopped"
    # TODO: start the VM
  when nil
    raise "Could not find power state of #{machine_spec.name}"
  else
    action_handler.report_progress "Waiting for #{machine_spec.name} to become ready..."
    wait_until_ready(action_handler, machine_spec)
  end
  wait_for_transport(action_handler, machine_spec, machine_options)
  machine_for(machine_spec, machine_options, vm)
end