Python Host.vars方法代码示例

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
    def _create_implicit_localhost(self, pattern):

        if self.localhost:
            new_host = self.localhost
        else:
            new_host = Host(pattern)

            # use 'all' vars but not part of all group
            new_host.vars = self.groups['all'].get_vars()

            new_host.address = "127.0.0.1"
            new_host.implicit = True

            if "ansible_python_interpreter" not in new_host.vars:
                py_interp = sys.executable
                if not py_interp:
                    # sys.executable is not set in some cornercases.  #13585
                    py_interp = '/usr/bin/python'
                    display.warning('Unable to determine python interpreter from sys.executable. Using /usr/bin/python default. '
                                    'You can correct this by setting ansible_python_interpreter for localhost')
                new_host.set_variable("ansible_python_interpreter", py_interp)

            if "ansible_connection" not in new_host.vars:
                new_host.set_variable("ansible_connection", 'local')

            self.localhost = new_host

        return new_host

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
 def _create_implicit_localhost(self, pattern):
     new_host = Host(pattern)
     new_host.address = "127.0.0.1"
     new_host.vars = self.get_host_vars(new_host)
     new_host.set_variable("ansible_connection", "local")
     if "ansible_python_interpreter" not in new_host.vars:
         new_host.set_variable("ansible_python_interpreter", sys.executable)
     self.get_group("ungrouped").add_host(new_host)
     return new_host

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
 def _create_implicit_localhost(self, pattern='localhost'):
     new_host = Host(pattern)
     new_host.address = "127.0.0.1"
     new_host.implicit = True
     new_host.vars = self.get_host_vars(new_host)
     new_host.set_variable("ansible_connection", "local")
     if "ansible_python_interpreter" not in new_host.vars:
         py_interp = sys.executable
         if not py_interp:
             # sys.executable is not set in some cornercases.  #13585
             display.warning('Unable to determine python interpreter from sys.executable. Using /usr/bin/python default. You can correct this by setting ansible_python_interpreter for localhost')
             py_interp = '/usr/bin/python'
         new_host.set_variable("ansible_python_interpreter", py_interp)
     self.get_group("ungrouped").add_host(new_host)
     return new_host

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
    def _add_host(self, host_info):
        '''
        Helper function to add a new host to inventory based on a task result.
        '''

        host_name = host_info.get('host_name')

        # Check if host in cache, add if not
        if host_name in self._inventory._hosts_cache:
            new_host = self._inventory._hosts_cache[host_name]
        else:
            new_host = Host(name=host_name)
            self._inventory._hosts_cache[host_name] = new_host

            allgroup = self._inventory.get_group('all')
            allgroup.add_host(new_host)

        # Set/update the vars for this host
        # FIXME: probably should have a set vars method for the host?
        new_vars = host_info.get('host_vars', dict())
        new_host.vars = self._inventory.get_host_vars(new_host)
        new_host.vars.update(new_vars)

        new_groups = host_info.get('groups', [])
        for group_name in new_groups:
            if not self._inventory.get_group(group_name):
                new_group = Group(group_name)
                self._inventory.add_group(new_group)
                new_group.vars = self._inventory.get_group_variables(group_name)
            else:
                new_group = self._inventory.get_group(group_name)

            new_group.add_host(new_host)

            # add this host to the group cache
            if self._inventory.groups is not None:
                if group_name in self._inventory.groups:
                    if new_host not in self._inventory.get_group(group_name).hosts:
                        self._inventory.get_group(group_name).hosts.append(new_host.name)

        # clear pattern caching completely since it's unpredictable what
        # patterns may have referenced the group
        # FIXME: is this still required?
        self._inventory.clear_pattern_cache()

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
    def _get_delegated_vars(self, play, task, existing_variables):
        # we unfortunately need to template the delegate_to field here,
        # as we're fetching vars before post_validate has been called on
        # the task that has been passed in
        vars_copy = existing_variables.copy()
        templar = Templar(loader=self._loader, variables=vars_copy)

        items = []
        if task.loop is not None:
            if task.loop in lookup_loader:
                try:
                    loop_terms = listify_lookup_plugin_terms(terms=task.loop_args, templar=templar,
                                                             loader=self._loader, fail_on_undefined=True, convert_bare=False)
                    items = lookup_loader.get(task.loop, loader=self._loader, templar=templar).run(terms=loop_terms, variables=vars_copy)
                except AnsibleUndefinedVariable:
                    # This task will be skipped later due to this, so we just setup
                    # a dummy array for the later code so it doesn't fail
                    items = [None]
            else:
                raise AnsibleError("Unexpected failure in finding the lookup named '%s' in the available lookup plugins" % task.loop)
        else:
            items = [None]

        delegated_host_vars = dict()
        for item in items:
            # update the variables with the item value for templating, in case we need it
            if item is not None:
                vars_copy['item'] = item

            templar.set_available_variables(vars_copy)
            delegated_host_name = templar.template(task.delegate_to, fail_on_undefined=False)
            if delegated_host_name is None:
                raise AnsibleError(message="Undefined delegate_to host for task:", obj=task._ds)
            if delegated_host_name in delegated_host_vars:
                # no need to repeat ourselves, as the delegate_to value
                # does not appear to be tied to the loop item variable
                continue

            # a dictionary of variables to use if we have to create a new host below
            # we set the default port based on the default transport here, to make sure
            # we use the proper default for windows
            new_port = C.DEFAULT_REMOTE_PORT
            if C.DEFAULT_TRANSPORT == 'winrm':
                new_port = 5986

            new_delegated_host_vars = dict(
                ansible_delegated_host=delegated_host_name,
                ansible_host=delegated_host_name,  # not redundant as other sources can change ansible_host
                ansible_port=new_port,
                ansible_user=C.DEFAULT_REMOTE_USER,
                ansible_connection=C.DEFAULT_TRANSPORT,
            )

            # now try to find the delegated-to host in inventory, or failing that,
            # create a new host on the fly so we can fetch variables for it
            delegated_host = None
            if self._inventory is not None:
                delegated_host = self._inventory.get_host(delegated_host_name)
                # try looking it up based on the address field, and finally
                # fall back to creating a host on the fly to use for the var lookup
                if delegated_host is None:
                    if delegated_host_name in C.LOCALHOST:
                        delegated_host = self._inventory.localhost
                    else:
                        for h in self._inventory.get_hosts(ignore_limits=True, ignore_restrictions=True):
                            # check if the address matches, or if both the delegated_to host
                            # and the current host are in the list of localhost aliases
                            if h.address == delegated_host_name:
                                delegated_host = h
                                break
                        else:
                            delegated_host = Host(name=delegated_host_name)
                            delegated_host.vars = combine_vars(delegated_host.vars, new_delegated_host_vars)
            else:
                delegated_host = Host(name=delegated_host_name)
                delegated_host.vars = combine_vars(delegated_host.vars, new_delegated_host_vars)

            # now we go fetch the vars for the delegated-to host and save them in our
            # master dictionary of variables to be used later in the TaskExecutor/PlayContext
            delegated_host_vars[delegated_host_name] = self.get_vars(
                play=play,
                host=delegated_host,
                task=task,
                include_delegate_to=False,
                include_hostvars=False,
            )
        return delegated_host_vars

# 需要导入模块: from ansible.inventory.host import Host [as 别名]
# 或者: from ansible.inventory.host.Host import vars [as 别名]
    def run(self, conn, tmp, module_name, module_args, inject, complex_args=None, **kwargs):

        if self.runner.noop_on_check(inject):
            return ReturnData(
                conn=conn, comm_ok=True, result=dict(skipped=True, msg="check mode not supported for this module")
            )

        args = {}
        if complex_args:
            args.update(complex_args)
        args.update(parse_kv(module_args))
        if not "hostname" in args and not "name" in args:
            raise ae("'name' is a required argument.")

        result = {}

        # Parse out any hostname:port patterns
        new_name = args.get("name", args.get("hostname", None))
        vv("creating host via 'add_host': hostname=%s" % new_name)

        if ":" in new_name:
            new_name, new_port = new_name.split(":")
            args["ansible_ssh_port"] = new_port

        # redefine inventory and get group "all"
        inventory = self.runner.inventory
        allgroup = inventory.get_group("all")

        # check if host in cache, add if not
        if new_name in inventory._hosts_cache:
            new_host = inventory._hosts_cache[new_name]
        else:
            new_host = Host(new_name)
            # only groups can be added directly to inventory
            inventory._hosts_cache[new_name] = new_host
            allgroup.add_host(new_host)

        groupnames = args.get("groupname", args.get("groups", args.get("group", "")))
        # add it to the group if that was specified
        if groupnames:
            for group_name in groupnames.split(","):
                group_name = group_name.strip()
                if not inventory.get_group(group_name):
                    new_group = Group(group_name)
                    inventory.add_group(new_group)
                    new_group.vars = inventory.get_group_variables(group_name, vault_password=inventory._vault_password)
                grp = inventory.get_group(group_name)
                grp.add_host(new_host)

                # add this host to the group cache
                if inventory._groups_list is not None:
                    if group_name in inventory._groups_list:
                        if new_host.name not in inventory._groups_list[group_name]:
                            inventory._groups_list[group_name].append(new_host.name)

                vv("added host to group via add_host module: %s" % group_name)
            result["new_groups"] = groupnames.split(",")

        # actually load host vars
        new_host.vars = combine_vars(
            new_host.vars,
            inventory.get_host_variables(new_name, update_cached=True, vault_password=inventory._vault_password),
        )

        # Add any passed variables to the new_host
        for k in args.keys():
            if not k in ["name", "hostname", "groupname", "groups"]:
                new_host.set_variable(k, args[k])

        result["new_host"] = new_name

        # clear pattern caching completely since it's unpredictable what
        # patterns may have referenced the group
        inventory.clear_pattern_cache()

        return ReturnData(conn=conn, comm_ok=True, result=result)