Python AppScaleLogger.verbose方法代碼示例

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def terminate_instances(self, parameters):
    """ Deletes the instances specified in 'parameters' running in Google
    Compute Engine.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key mapping to a list of
        instance names that should be deleted.
    """
    instance_ids = parameters[self.PARAM_INSTANCE_IDS]
    responses = []
    for instance_id in instance_ids:
      gce_service, credentials = self.open_connection(parameters)
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.instances().delete(
        project=parameters[self.PARAM_PROJECT],
        zone=parameters[self.PARAM_ZONE],
        instance=instance_id
      )
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
      responses.append(response)

    for response in responses:
      gce_service, credentials = self.open_connection(parameters)
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      self.ensure_operation_succeeds(gce_service, auth_http, response,
        parameters[self.PARAM_PROJECT])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def does_address_exist(self, parameters):
    """ Queries Google Compute Engine to see if the specified static IP address
    exists for this user.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key indicating the name of the
        static IP address that we should check for existence.
    Returns:
      True if the named address exists, and False otherwise.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.addresses().list(
      project=parameters[self.PARAM_PROJECT],
      filter="address eq {0}".format(parameters[self.PARAM_STATIC_IP]),
      region=parameters[self.PARAM_REGION]
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])

    if 'items' in response:
      return True
    else:
      return False

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def create_network(self, parameters):
    """ Creates a new network in Google Compute Engine with the specified name.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key indicating the name of the
        network that we should create in GCE.
    Returns:
      The URL corresponding to the name of the network that was created, for use
      with binding this network to one or more firewalls.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.networks().insert(
      project=parameters[self.PARAM_PROJECT],
      body={
        "name" : parameters[self.PARAM_GROUP],
        "description" : "Network used for AppScale instances",
        "IPv4Range" : "10.240.0.0/16"
      }
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])
    return response['targetLink']

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def add_access_config(self, parameters, instance_id, static_ip):
    """ Instructs Google Compute Engine to use the given IP address as the
    public IP for the named instance.

    This assumes that there is no existing public IP address for the named
    instance. If this is not the case, callers should use delete_access_config
    first to remove it.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key mapping to a list of
        instance names that should be deleted.
      instance_id: A str naming the running instance that the new public IP
        address should be added to.
      static_ip: A str naming the already allocated static IP address that
        will be used for the named instance.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.instances().addAccessConfig(
      project=parameters[self.PARAM_PROJECT],
      instance=instance_id,
      networkInterface="nic0",
      zone=parameters[self.PARAM_ZONE],
      body={
        "kind": "compute#accessConfig",
        "type" : "ONE_TO_ONE_NAT",
        "name" : "External NAT",
        "natIP" : static_ip
      }
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def create_firewall(self, parameters, network_url):
    """ Creates a new firewall in Google Compute Engine with the specified name,
    bound to the specified network.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key indicating the name of the
        firewall that we should create.
      network_url: A str containing the URL of the network that this new
        firewall should be applied to.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.firewalls().insert(
      project=parameters[self.PARAM_PROJECT],
      body={
        "name" : parameters[self.PARAM_GROUP],
        "description" : "Firewall used for AppScale instances",
        "network" : network_url,
        "sourceRanges" : ["0.0.0.0/0"],
        "allowed" : [
          {"IPProtocol" : "tcp", "ports": ["1-65535"]},
          {"IPProtocol" : "udp", "ports": ["1-65535"]},
          {"IPProtocol" : "icmp"}
        ]
      }
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def does_ssh_key_exist(self, parameters):
    """ Queries Google Compute Engine to see if the specified SSH key exists.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine. We don't have an additional key for the name of
        the SSH key, since we use the one in ~/.ssh.
    Returns:
      A tuple of two items. The first item is a bool that is True if
        our public key's contents are in GCE, and False otherwise, while
        the second item is the contents of all SSH keys stored in GCE.
    """
    our_public_ssh_key = None
    public_ssh_key_location = LocalState.LOCAL_APPSCALE_PATH + \
      parameters[self.PARAM_KEYNAME] + ".pub"
    with open(public_ssh_key_location) as file_handle:
      system_user = os.getenv('LOGNAME', default=pwd.getpwuid(os.getuid())[0])
      our_public_ssh_key = system_user + ":" + file_handle.read().rstrip()

    gce_service, credentials = self.open_connection(parameters)
    try:
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.projects().get(
        project=parameters[self.PARAM_PROJECT])
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])

      if not 'items' in response['commonInstanceMetadata']:
        return False, ""

      metadata = response['commonInstanceMetadata']['items']
      if not metadata:
        return False, ""

      all_ssh_keys = ""
      for item in metadata:
        if item['key'] != 'sshKeys':
          continue

        # Now that we know there's one or more SSH keys, just make sure that
        # ours is in this list.
        all_ssh_keys = item['value']
        if our_public_ssh_key in all_ssh_keys:
          return True, all_ssh_keys

      return False, all_ssh_keys
    except errors.HttpError:
      return False, ""

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def does_image_exist(self, parameters):
    """ Queries Google Compute Engine to see if the specified image exists for
    this user.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key indicating the name of the
        image that we should check for existence.
    Returns:
      True if the named image exists, and False otherwise.
    """
    gce_service, credentials = self.open_connection(parameters)
    try:
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.images().get(project=parameters[self.PARAM_PROJECT],
        image=parameters[self.PARAM_IMAGE_ID])
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
      return True
    except errors.HttpError:
      return False

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def describe_instances(self, parameters, pending=False):
    """ Queries Google Compute Engine to see which instances are currently
    running, and retrieve information about their public and private IPs.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine.
      pending: Boolean if we should show pending instances.
    Returns:
      A tuple of the form (public_ips, private_ips, instance_ids), where each
        member is a list. Items correspond to each other across these lists,
        so a caller is guaranteed that item X in each list belongs to the same
        virtual machine.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.instances().list(
      project=parameters[self.PARAM_PROJECT],
      filter="name eq {group}-.*".format(group=parameters[self.PARAM_GROUP]),
      zone=parameters[self.PARAM_ZONE]
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])

    instance_ids = []
    public_ips = []
    private_ips = []

    if response and 'items' in response:
      instances = response['items']
      for instance in instances:
        if instance['status'] == "RUNNING":
          instance_ids.append(instance['name'])
          network_interface = instance['networkInterfaces'][0]
          public_ips.append(network_interface['accessConfigs'][0]['natIP'])
          private_ips.append(network_interface['networkIP'])

    return public_ips, private_ips, instance_ids

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def delete_firewall(self, parameters):
    """ Deletes a firewall in Google Compute Engine with the specified name.

    Callers should not invoke this method until they are certain that no
    instances are using the specified firewall, or this method will fail.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key indicating the name of the
        firewall that we should create.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.firewalls().delete(
      project=parameters[self.PARAM_PROJECT],
      firewall=parameters[self.PARAM_GROUP]
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def create_ssh_key(self, parameters, all_ssh_keys):
    """ Creates a new SSH key in Google Compute Engine with the contents of
    our newly generated public key.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine.
      all_ssh_keys: A str that contains all of the SSH keys that are
        currently passed in to GCE instances.
    """
    our_public_ssh_key = None
    public_ssh_key_location = LocalState.LOCAL_APPSCALE_PATH + \
      parameters[self.PARAM_KEYNAME] + ".pub"
    with open(public_ssh_key_location) as file_handle:
      system_user = os.getenv('LOGNAME', default=pwd.getpwuid(os.getuid())[0])
      our_public_ssh_key = system_user + ":" + file_handle.read().rstrip()

    if all_ssh_keys:
      new_all_ssh_keys = our_public_ssh_key + "\n" + all_ssh_keys
    else:
      new_all_ssh_keys = our_public_ssh_key

    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.projects().setCommonInstanceMetadata(
      project=parameters[self.PARAM_PROJECT],
      body={
        "kind": "compute#metadata",
        "items": [{
          "key": "sshKeys",
          "value": new_all_ssh_keys
        }]
      }
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def delete_access_config(self, parameters, instance_id):
    """ Instructs Google Compute Engine to remove the public IP address from
    the named instance.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine, and an additional key mapping to a list of
        instance names that should be deleted.
      instance_id: A str naming the running instance that the new public IP
        address should be added to.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    request = gce_service.instances().deleteAccessConfig(
      project=parameters[self.PARAM_PROJECT],
      accessConfig="External NAT",
      instance=instance_id,
      networkInterface="nic0",
      zone=parameters[self.PARAM_ZONE]
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def assert_credentials_are_valid(self, parameters):
    """Contacts GCE to see if the given credentials are valid.

    Args:
      parameters: A dict containing the credentials necessary to interact with
      GCE.

    Raises:
      AgentConfigurationException: If an error is encountered during
      authentication.
    """
    gce_service, credentials = self.open_connection(parameters)
    try:
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.instances().list(project=parameters
        [self.PARAM_PROJECT], zone=parameters[self.PARAM_ZONE])
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
      return True
    except errors.HttpError as e:
      error_message = json.loads(e.content)['error']['message']
      raise AgentConfigurationException(error_message)

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def does_disk_exist(self, parameters, disk):
    """ Queries Google Compute Engine to see if the specified persistent disk
    exists for this user.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine.
      disk: A str containing the name of the disk that we should check for
        existence.
    Returns:
      True if the named persistent disk exists, and False otherwise.
    """
    gce_service, credentials = self.open_connection(parameters)
    try:
      http = httplib2.Http()
      auth_http = credentials.authorize(http)
      request = gce_service.disks().get(project=parameters[self.PARAM_PROJECT],
        disk=disk, zone=parameters[self.PARAM_ZONE])
      response = request.execute(http=auth_http)
      AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
      return True
    except errors.HttpError:
      return False

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def create_scratch_disk(self, parameters):
    """ Creates a disk from a given machine image.

    GCE does not support scratch disks on API version v1 and higher. We create
    a persistent disk upon creation to act like one to keep the abstraction used
    in other infrastructures.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine.
    Returns:
      A str, the url to the disk to use.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    disk_name = self.generate_disk_name(parameters)
    project_url = '{0}{1}'.format(self.GCE_URL, 
      parameters[self.PARAM_PROJECT])
    source_image_url = '{0}{1}/global/images/{2}'.format(self.GCE_URL,
      parameters[self.PARAM_PROJECT], parameters[self.PARAM_IMAGE_ID])
    request = gce_service.disks().insert(
      project=parameters[self.PARAM_PROJECT],
      zone=parameters[self.PARAM_ZONE],
      body={
        'name':disk_name 
      },
      sourceImage=source_image_url
    )
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])

    disk_url = "{0}/zones/{1}/disks/{2}".format(
      project_url, parameters[self.PARAM_ZONE], disk_name)
    return disk_url

# 需要導入模塊: from appscale.appscale_logger import AppScaleLogger [as 別名]
# 或者: from appscale.appscale_logger.AppScaleLogger import verbose [as 別名]
  def detach_disk(self, parameters, disk_name, instance_id):
    """ Detaches the persistent disk specified in 'disk_name' from the named
    instance.

    Args:
      parameters: A dict with keys for each parameter needed to connect to
        Google Compute Engine.
      disk_name: A str naming the persistent disk to detach.
      instance_id: A str naming the id of the instance that the disk should be
        detached from.
    """
    gce_service, credentials = self.open_connection(parameters)
    http = httplib2.Http()
    auth_http = credentials.authorize(http)
    project_id = parameters[self.PARAM_PROJECT]
    request = gce_service.instances().detachDisk(
      project=project_id,
      zone=parameters[self.PARAM_ZONE],
      instance=instance_id,
      deviceName='sdb')
    response = request.execute(http=auth_http)
    AppScaleLogger.verbose(str(response), parameters[self.PARAM_VERBOSE])
    self.ensure_operation_succeeds(gce_service, auth_http, response,
      parameters[self.PARAM_PROJECT])