def _build_health_report()

in azurelinuxagent/common/protocol/wire.py [0:0]

• 45 lines of code
• 6 McCabe index (conditional complexity)

def _build_health_report(incarnation, container_id, role_instance_id,
                         status, substatus, description):
    # The max description that can be sent to WireServer is 4096 bytes.
    # Exceeding this max can result in a failure to report health.
    # To keep this simple, we will keep a 10% buffer and trim before
    # encoding the description.
    if description:
        max_chars_before_encoding = 3686
        len_before_trim = len(description)
        description = description[:max_chars_before_encoding]
        trimmed_char_count = len_before_trim - len(description)
        if trimmed_char_count > 0:
            logger.info(
                'Trimmed health report description by {0} characters'.format(
                    trimmed_char_count
                )
            )

        # Escape '&', '<' and '>'
        description = saxutils.escape(ustr(description))

    detail = u''
    if substatus is not None:
        substatus = saxutils.escape(ustr(substatus))
        detail = (u"<Details>"
                  u"<SubStatus>{0}</SubStatus>"
                  u"<Description>{1}</Description>"
                  u"</Details>").format(substatus, description)
    xml = (u"<?xml version=\"1.0\" encoding=\"utf-8\"?>"
           u"<Health "
           u"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
           u" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">"
           u"<GoalStateIncarnation>{0}</GoalStateIncarnation>"
           u"<Container>"
           u"<ContainerId>{1}</ContainerId>"
           u"<RoleInstanceList>"
           u"<Role>"
           u"<InstanceId>{2}</InstanceId>"
           u"<Health>"
           u"<State>{3}</State>"
           u"{4}"
           u"</Health>"
           u"</Role>"
           u"</RoleInstanceList>"
           u"</Container>"
           u"</Health>"
           u"").format(incarnation,
                       container_id,
                       role_instance_id,
                       status,
                       detail)
    return xml