| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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 os.path |
| from kafkatest.directory_layout.kafka_path import KafkaPathResolverMixin |
| |
| """ |
| Delegation tokens is a tool to manage the lifecycle of delegation tokens. |
| All commands are executed on a secured Kafka node reusing its generated jaas.conf and krb5.conf. |
| """ |
| |
| class DelegationTokens(KafkaPathResolverMixin): |
| def __init__(self, kafka, context): |
| self.client_properties_content = """ |
| security.protocol=SASL_PLAINTEXT |
| sasl.kerberos.service.name=kafka |
| """ |
| self.context = context |
| self.command_path = self.path.script("kafka-delegation-tokens.sh") |
| self.kafka_opts = "KAFKA_OPTS=\"-Djava.security.auth.login.config=/mnt/security/jaas.conf " \ |
| "-Djava.security.krb5.conf=/mnt/security/krb5.conf\" " |
| self.kafka = kafka |
| self.bootstrap_server = " --bootstrap-server " + self.kafka.bootstrap_servers('SASL_PLAINTEXT') |
| self.base_cmd = self.kafka_opts + self.command_path + self.bootstrap_server |
| self.client_prop_path = os.path.join(self.kafka.PERSISTENT_ROOT, "client.properties") |
| self.jaas_deleg_conf_path = os.path.join(self.kafka.PERSISTENT_ROOT, "jaas_deleg.conf") |
| self.token_hmac_path = os.path.join(self.kafka.PERSISTENT_ROOT, "deleg_token_hmac.out") |
| self.delegation_token_out = os.path.join(self.kafka.PERSISTENT_ROOT, "delegation_token.out") |
| self.expire_delegation_token_out = os.path.join(self.kafka.PERSISTENT_ROOT, "expire_delegation_token.out") |
| self.renew_delegation_token_out = os.path.join(self.kafka.PERSISTENT_ROOT, "renew_delegation_token.out") |
| |
| self.node = self.kafka.nodes[0] |
| |
| def generate_delegation_token(self, maxlifetimeperiod=-1): |
| self.node.account.create_file(self.client_prop_path, self.client_properties_content) |
| |
| cmd = self.base_cmd + " --create" \ |
| " --max-life-time-period %s" \ |
| " --command-config %s > %s" % (maxlifetimeperiod, self.client_prop_path, self.delegation_token_out) |
| self.node.account.ssh(cmd, allow_fail=False) |
| |
| def expire_delegation_token(self, hmac): |
| cmd = self.base_cmd + " --expire" \ |
| " --expiry-time-period -1" \ |
| " --hmac %s" \ |
| " --command-config %s > %s" % (hmac, self.client_prop_path, self.expire_delegation_token_out) |
| self.node.account.ssh(cmd, allow_fail=False) |
| |
| def renew_delegation_token(self, hmac, renew_time_period=-1): |
| cmd = self.base_cmd + " --renew" \ |
| " --renew-time-period %s" \ |
| " --hmac %s" \ |
| " --command-config %s > %s" \ |
| % (renew_time_period, hmac, self.client_prop_path, self.renew_delegation_token_out) |
| return self.node.account.ssh_capture(cmd, allow_fail=False) |
| |
| def create_jaas_conf_with_delegation_token(self): |
| dt = self.parse_delegation_token_out() |
| jaas_deleg_content = """ |
| KafkaClient { |
| org.apache.kafka.common.security.scram.ScramLoginModule required |
| username="%s" |
| password="%s" |
| tokenauth=true; |
| }; |
| """ % (dt["tokenid"], dt["hmac"]) |
| self.node.account.create_file(self.jaas_deleg_conf_path, jaas_deleg_content) |
| |
| return jaas_deleg_content |
| |
| def token_hmac(self): |
| dt = self.parse_delegation_token_out() |
| return dt["hmac"] |
| |
| def parse_delegation_token_out(self): |
| cmd = "tail -1 %s" % self.delegation_token_out |
| |
| output_iter = self.node.account.ssh_capture(cmd, allow_fail=False) |
| output = "" |
| for line in output_iter: |
| output += line |
| |
| tokenid, hmac, owner, renewers, issuedate, expirydate, maxdate = output.split() |
| return {"tokenid" : tokenid, |
| "hmac" : hmac, |
| "owner" : owner, |
| "renewers" : renewers, |
| "issuedate" : issuedate, |
| "expirydate" :expirydate, |
| "maxdate" : maxdate} |