Source code for insights.parsers.ovs_vsctl

Open vSwitch ``ovs-vsctl`` - utility for querying ovs-vswitchd

Classes in this module are:

OVSvsctlList - command ``/usr/bin/ovs-vsctl list TBL [REC]``

Parsers in this module are:

OVSvsctlListBridge - command ``/usr/bin/ovs-vsctl list bridge``
from insights.core import CommandParser
from insights.core.exceptions import SkipComponent
from insights.core.plugins import parser
from insights.parsers import get_active_lines, optlist_to_dict
from insights.specs import Specs

[docs] class OVSvsctlList(CommandParser, list): """ Class to parse output of command ``ovs-vsctl list TBL [REC]``. Generally, the data is in ``key:value`` format with values having data types as string, numbers, list or dictionary. Raises: SkipComponent: When file is empty. """
[docs] def parse_content(self, content): """ Details of the subset of the Open vSwitch database, which holds the configuration for the Open vSwitch daemon, are extracted and stored in a list as a dictionary. """ # No content found or file is empty if not content: raise SkipComponent("Empty file") record = {} for line in get_active_lines(content): key, value = [i.strip() for i in line.split(":", 1)] parsed_value = value.strip('"') if value.startswith("{") and value.endswith("}"): parsed_value = {} value = value.strip("{}") if value: parsed_value = optlist_to_dict(value, opt_sep=", ", strip_quotes=True) elif value.startswith("[") and value.endswith("]"): parsed_value = [] value = value.strip("[]") if value: parsed_value = [i.strip(' \t\"\'') for i in value.split(",")] if key in record: # A new record comes self.append(record) record = {} record[key] = parsed_value # Add the last record self.append(record)
@property def data(self): """ Set data as property to keep compatibility """ return self
[docs] @parser(Specs.ovs_vsctl_list_bridge) class OVSvsctlListBridge(OVSvsctlList): """ Class to parse output of command ``ovs-vsctl list bridge``. Sample command output:: name : br-int other_config : {disable-in-band="true", mac-table-size="2048"} name : br-tun other_config : {} Examples: >>> bridge_lists[0]["name"] 'br-int' >>> bridge_lists[0]["other_config"]["mac-table-size"] '2048' >>> bridge_lists[0]["other_config"]["disable-in-band"] 'true' >>> bridge_lists[1].get("name") 'br-tun' >>> len(bridge_lists[1]["other_config"]) == 0 True """ pass