# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

#

#    Licensed under the Apache License, Version 2.0 (the "License"); you may

#    not use this file except in compliance with the License. You may obtain

#    a copy of the License at

#

#         http://www.apache.org/licenses/LICENSE-2.0

#

#    Unless required by applicable law or agreed to in writing, software

#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

#    License for the specific language governing permissions and limitations

#    under the License.

import locale

from lxml import etree

from solaris_install.utils import encrypt_password

DTD_URL = '/usr/share/lib/xml/dtd/service_bundle.dtd.1'

DOCTYPE_STR = '<!DOCTYPE service_bundle SYSTEM "%s">' % DTD_URL

def create_ncp_defaultfixed(addrtype, linkname, netid, ip_version, ip=None,

                            route=None, nameservers=None):

    """ return an etree object representing fixed (static) networking

    """

    svcbundle = etree.Element("service_bundle", type="profile",

                              name="openstack")

    # create the network/physical service profile

    physical = etree.SubElement(svcbundle, "service", version="1",

                                type="service", name="network/physical")

    instance = etree.SubElement(physical, "instance", enabled="true",

                                name="default")

    pg = etree.SubElement(instance, "property_group", type="application",

                          name="netcfg")

    etree.SubElement(pg, "propval", type="astring", name="active_ncp",

                     value="DefaultFixed")

    # create the network/install service profile

    install = etree.SubElement(svcbundle, "service", version="1",

                               type="service", name="network/install")

    instance = etree.SubElement(install, "instance", enabled="true",

                                name="default")

    if ip_version == 4:

        pg4 = etree.SubElement(instance, "property_group",

                               type="ipv4_interface",

                               name="install_ipv4_interface_%d" % netid)

        etree.SubElement(pg4, "propval", type="astring", name="address_type",

                         value=addrtype)

        if addrtype == "static":

            etree.SubElement(pg4, "propval", type="net_address_v4",

                             name="static_address", value=ip)

            etree.SubElement(pg4, "propval", type="astring", name="name",

                             value="%s/v4" % linkname)

            etree.SubElement(pg4, "propval", type="net_address_v4",

                             name="default_route", value=route)

        else:

            etree.SubElement(pg4, "propval", type="astring", name="name",

                             value="%s/dhcp" % linkname)

    else:

        if addrtype == "static":

            link = etree.SubElement(instance, "property_group",

                                    type="ipv6_interface",

                                    name="install_ipv6_interface_%d" % netid)

            etree.SubElement(link, "propval", type="astring",

                             name="address_type", value="addrconf")

            etree.SubElement(link, "propval", type="astring",

                             name="name", value="%s/aconf" % linkname)

            etree.SubElement(link, "propval", type="astring",

                             name="stateless", value="no")

            etree.SubElement(link, "propval", type="astring",

                             name="stateful", value="no")

            pg6 = etree.SubElement(instance, "property_group",

                                   type="ipv6_interface",

                                   name="install_ipv6_interface_%d_1" % netid)

            etree.SubElement(pg6, "propval", type="astring",

                             name="address_type", value="static")

            etree.SubElement(pg6, "propval", type="net_address_v6",

                             name="static_address", value=ip)

            etree.SubElement(pg6, "propval", type="astring", name="name",

                             value="%s/v6" % linkname)

        else:

            pg6 = etree.SubElement(instance, "property_group",

                                   type="ipv6_interface",

                                   name="install_ipv6_interface_%d" % netid)

            etree.SubElement(pg6, "propval", type="astring",

                             name="address_type", value="addrconf")

            etree.SubElement(pg6, "propval", type="astring", name="name",

                             value="%s/dhcp" % linkname)

            etree.SubElement(pg6, "propval", type="astring",

                             name="stateless", value="yes")

            etree.SubElement(pg6, "propval", type="astring",

                             name="stateful", value="yes")

    # create DNS profile for static configurations

    if addrtype == "static" and nameservers is not None:

        dns = etree.SubElement(svcbundle, "service", version="1",

                               type="service", name="network/dns/client")

        etree.SubElement(dns, "instance", enabled="true", name="default")

        pg = etree.SubElement(dns, "property_group", type="application",

                              name="config")

        prop = etree.SubElement(pg, "property", type="net_address",

                                name="nameserver")

        proplist = etree.SubElement(prop, "net_address_list")

        if isinstance(nameservers, str):

            etree.SubElement(proplist, "value_node", value=nameservers)

        elif isinstance(nameservers, list):

            for entry in nameservers:

                etree.SubElement(proplist, "value_node", value=entry)

        search = etree.SubElement(pg, "property", type="astring",

                                  name="search")

        etree.SubElement(search, "astring_list")

    return svcbundle

def create_ncp_automatic():

    """ return an etree object representing dynamic networking

    """

    svcbundle = etree.Element("service_bundle", type="profile",

                              name="openstack")

    # create the network/physical service profile

    physical = etree.SubElement(svcbundle, "service", version="1",

                                type="service", name="network/physical")

    instance = etree.SubElement(physical, "instance", enabled="true",

                                name="default")

    pg = etree.SubElement(instance, "property_group", type="application",

                          name="netcfg")

    etree.SubElement(pg, "propval", type="astring", name="active_ncp",

                     value="Automatic")

    return svcbundle

def create_default_root_account(expire=None, sshkey=None):

    """ return an etree object representing the root account

    """

    svcbundle = etree.Element("service_bundle", type="profile",

                              name="openstack")

    service = etree.SubElement(svcbundle, "service", version="1",

                               type="service", name="system/config-user")

    instance = etree.SubElement(service, "instance", enabled="true",

                                name="default")

    root_pg = etree.SubElement(instance, "property_group", type="application",

                               name="root_account")

    etree.SubElement(root_pg, "propval", type="astring", name="password",

                     value="NP")

    etree.SubElement(root_pg, "propval", type="astring", name="type",

                     value="normal")

    if expire is not None:

        etree.SubElement(root_pg, "propval", type="astring", name="expire",

                         value=expire)

    if sshkey is not None:

        prop = etree.SubElement(root_pg, "property", type="astring",

                                name="ssh_public_keys")

        alist = etree.SubElement(prop, "astring_list")

        etree.SubElement(alist, "value_node", value=sshkey)

    return svcbundle

def create_root_ssh_keys(key):

    """ return an etree object to set a public SSH key for root

    """

    svcbundle = etree.Element("service_bundle", type="profile",

                              name="openstack")

    service = etree.SubElement(svcbundle, "service", version="1",

                               type="service", name="system/config-user")

    instance = etree.SubElement(service, "instance", enabled="true",

                                name="default")

    root_pg = etree.SubElement(instance, "property_group", type="application",

                               name="root_account")

    prop = etree.SubElement(root_pg, "property", type="astring",

                            name="ssh_public_keys")

    alist = etree.SubElement(prop, "astring_list")

    etree.SubElement(alist, "value_node", value=key)

    return svcbundle

def create_hostname(name):

    """ return an etree object representing the instance's hostname

    """

    svcbundle = etree.Element("service_bundle", type="profile",

                              name="openstack")

    service = etree.SubElement(svcbundle, "service", version="1",

                               type="service", name="system/identity")

    instance = etree.SubElement(service, "instance", enabled="true",

                                name="node")

    pg = etree.SubElement(instance, "property_group", type="application",

                          name="config")

    etree.SubElement(pg, "propval", type="astring", name="nodename",

                     value=name)

    return svcbundle

def create_sc_profile(path, tree):

    """ create a file containing the proper XML headers and encoding for a

    given etree object

    """

    encoding = locale.getpreferredencoding()

    if encoding == "646":

        # The C locale on Solaris is returned as '646'.  Set it to 'US-ASCII'

        # instead

        encoding = 'US-ASCII'

    xml_str = etree.tostring(tree, pretty_print=True, encoding=encoding,

                             xml_declaration=True, doctype=DOCTYPE_STR)

    # insert a comment just under the doctype line

    comment = etree.Comment(" Auto-generated by OpenStack Nova ")

    xml_list = xml_str.split("\n")

    xml_list.insert(2, etree.tostring(comment))

    xml_str = "\n".join(xml_list)

    with open(path, "w+") as fh:

        fh.write(xml_str)