コード例 #1
0
ファイル: constraint.py プロジェクト: akanouras/pcs
def constraint_rule(argv):
    if len(argv) < 2:
        usage.constraint("rule")
        sys.exit(1)

    found = False
    command = argv.pop(0)


    constraint_id = None
    rule_id = None

    if command == "add":
        constraint_id = argv.pop(0)
        cib = utils.get_cib_dom()
        constraint = utils.dom_get_element_with_id(
            cib.getElementsByTagName("constraints")[0],
            "rsc_location",
            constraint_id
        )
        if not constraint:
            utils.err("Unable to find constraint: " + constraint_id)
        options, rule_argv = rule_utils.parse_argv(argv)
        rule_utils.dom_rule_add(constraint, options, rule_argv)
        location_rule_check_duplicates(cib, constraint)
        utils.replace_cib_configuration(cib)

    elif command in ["remove","delete"]:
        cib = utils.get_cib_etree()
        temp_id = argv.pop(0)
        constraints = cib.find('.//constraints')
        loc_cons = cib.findall(str('.//rsc_location'))

        rules = cib.findall(str('.//rule'))
        for loc_con in loc_cons:
            for rule in loc_con:
                if rule.get("id") == temp_id:
                    if len(loc_con) > 1:
                        print("Removing Rule: {0}".format(rule.get("id")))
                        loc_con.remove(rule)
                        found = True
                        break
                    else:
                        print(
                            "Removing Constraint: {0}".format(loc_con.get("id"))
                        )
                        constraints.remove(loc_con)
                        found = True
                        break

            if found == True:
                break

        if found:
            utils.replace_cib_configuration(cib)
        else:
            utils.err("unable to find rule with id: %s" % temp_id)
    else:
        usage.constraint("rule")
        sys.exit(1)
コード例 #2
0
ファイル: constraint.py プロジェクト: tradej/pcs
def constraint_rule(argv):
    if len(argv) < 2:
        usage.constraint("rule")
        sys.exit(1)

    found = False
    command = argv.pop(0)

    constraint_id = None
    rule_id = None

    if command == "add":
        constraint_id = argv.pop(0)
        cib = utils.get_cib_dom()
        constraint = utils.dom_get_element_with_id(
            cib.getElementsByTagName("constraints")[0], "rsc_location",
            constraint_id)
        if not constraint:
            utils.err("Unable to find constraint: " + constraint_id)
        options, rule_argv = rule_utils.parse_argv(argv)
        rule_utils.dom_rule_add(constraint, options, rule_argv)
        location_rule_check_duplicates(cib, constraint)
        utils.replace_cib_configuration(cib)

    elif command in ["remove", "delete"]:
        cib = utils.get_cib_etree()
        temp_id = argv.pop(0)
        constraints = cib.find('.//constraints')
        loc_cons = cib.findall('.//rsc_location')

        rules = cib.findall('.//rule')
        for loc_con in loc_cons:
            for rule in loc_con:
                if rule.get("id") == temp_id:
                    if len(loc_con) > 1:
                        print("Removing Rule:", rule.get("id"))
                        loc_con.remove(rule)
                        found = True
                        break
                    else:
                        print("Removing Constraint:", loc_con.get("id"))
                        constraints.remove(loc_con)
                        found = True
                        break

            if found == True:
                break

        if found:
            utils.replace_cib_configuration(cib)
        else:
            utils.err("unable to find rule with id: %s" % temp_id)
    else:
        usage.constraint("rule")
        sys.exit(1)
コード例 #3
0
ファイル: constraint.py プロジェクト: tradej/pcs
def location_rule(argv):
    if len(argv) < 3:
        usage.constraint(["location", "rule"])
        sys.exit(1)

    res_name = argv.pop(0)
    resource_valid, resource_error, correct_id \
        = utils.validate_constraint_resource(utils.get_cib_dom(), res_name)
    if "--autocorrect" in utils.pcs_options and correct_id:
        res_name = correct_id
    elif not resource_valid:
        utils.err(resource_error)

    argv.pop(0)  # pop "rule"

    options, rule_argv = rule_utils.parse_argv(argv, {
        "constraint-id": None,
        "resource-discovery": None,
    })

    # If resource-discovery is specified, we use it with the rsc_location
    # element not the rule
    if "resource-discovery" in options and options["resource-discovery"]:
        utils.checkAndUpgradeCIB(2, 2, 0)
        cib, constraints = getCurrentConstraints(utils.get_cib_dom())
        lc = cib.createElement("rsc_location")
        lc.setAttribute("resource-discovery",
                        options.pop("resource-discovery"))
    else:
        cib, constraints = getCurrentConstraints(utils.get_cib_dom())
        lc = cib.createElement("rsc_location")

    constraints.appendChild(lc)
    if options.get("constraint-id"):
        id_valid, id_error = utils.validate_xml_id(options["constraint-id"],
                                                   'constraint id')
        if not id_valid:
            utils.err(id_error)
        if utils.does_id_exist(cib, options["constraint-id"]):
            utils.err("id '%s' is already in use, please specify another one" %
                      options["constraint-id"])
        lc.setAttribute("id", options["constraint-id"])
        del options["constraint-id"]
    else:
        lc.setAttribute("id", utils.find_unique_id(cib,
                                                   "location-" + res_name))
    lc.setAttribute("rsc", res_name)

    rule_utils.dom_rule_add(lc, options, rule_argv)
    location_rule_check_duplicates(constraints, lc)
    utils.replace_cib_configuration(cib)
コード例 #4
0
ファイル: constraint.py プロジェクト: akanouras/pcs
def location_rule(argv):
    if len(argv) < 3:
        usage.constraint(["location", "rule"])
        sys.exit(1)
    
    res_name = argv.pop(0)
    resource_valid, resource_error, correct_id \
        = utils.validate_constraint_resource(utils.get_cib_dom(), res_name)
    if "--autocorrect" in utils.pcs_options and correct_id:
        res_name = correct_id
    elif not resource_valid:
        utils.err(resource_error)

    argv.pop(0) # pop "rule"

    options, rule_argv = rule_utils.parse_argv(argv, {"constraint-id": None, "resource-discovery": None,})

    # If resource-discovery is specified, we use it with the rsc_location
    # element not the rule
    if "resource-discovery" in options and options["resource-discovery"]:
        utils.checkAndUpgradeCIB(2,2,0)
        cib, constraints = getCurrentConstraints(utils.get_cib_dom())
        lc = cib.createElement("rsc_location")
        lc.setAttribute("resource-discovery", options.pop("resource-discovery"))
    else:
        cib, constraints = getCurrentConstraints(utils.get_cib_dom())
        lc = cib.createElement("rsc_location")


    constraints.appendChild(lc)
    if options.get("constraint-id"):
        id_valid, id_error = utils.validate_xml_id(
            options["constraint-id"], 'constraint id'
        )
        if not id_valid:
            utils.err(id_error)
        if utils.does_id_exist(cib, options["constraint-id"]):
            utils.err(
                "id '%s' is already in use, please specify another one"
                % options["constraint-id"]
            )
        lc.setAttribute("id", options["constraint-id"])
        del options["constraint-id"]
    else:
        lc.setAttribute("id", utils.find_unique_id(cib, "location-" + res_name))
    lc.setAttribute("rsc", res_name)

    rule_utils.dom_rule_add(lc, options, rule_argv)
    location_rule_check_duplicates(constraints, lc)
    utils.replace_cib_configuration(cib)