March 7, 2016

Backup and Restore firewall rules
A quick example on how to backup firewall rules to a file and restore those rules.

restoreRules here will clobber any existing rules on the firewall, so be careful with that.

import SoftLayer
from SoftLayer.CLI import firewall
from pprint import pprint as pp
import json
from argparse import ArgumentParser

class ruleSaver():

    def __init__(self, path, fw):
        self.client = SoftLayer.Client()
        self.fw = SoftLayer.FirewallManager(self.client)
        self.path = path
        self.fw_type, self.fw_id = firewall.parse_id(fw)

    def saveRules(self):
        if self.fw_type == 'vlan':
            rules = self.fw.get_dedicated_fwl_rules(self.fw_id)
            rules = self.fw.get_standard_fwl_rules(self.fw_id)
        with open(self.path, 'w') as f:
        print("Done saving rules to %s" % self.path)

    def restoreRules(self):
        with open(self.path, 'r') as f:
            rules = json.load(f)
        if self.fw_type == 'vlan':
            result = self.fw.edit_dedicated_fwl_rules(self.fw_id,rules)
            result = self.fw.edit_standard_fwl_rules(self.fw_id,rules)
        return result

if __name__ == "__main__":
    parser = ArgumentParser(description='Backup/Restore firewall rules')
    parser.add_argument('-f', nargs=1, type=str, required=True, metavar="[/path/to/file]", dest="path",
        help="File to save to / restore from")
    parser.add_argument('-i', nargs=1, type=str, required=True, metavar="[type:id]", dest="fw",
        help="Firewall ID, same format as 'slcli firewall list'. vlan:1234, vs:1234, sever:1234")
    parser.add_argument('-a', nargs=1, type=str, required=True, metavar="[save|restore]", dest="action",
        help="save to file, or restore from file. restore completely overwrites any existing rules")

    args = parser.parse_args()
    main = ruleSaver(args.path[0],args.fw[0])
    action = args.action[0]

    if action == 'restore':
        result = main.restoreRules()


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