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authormrichomme <morgan.richomme@orange.com>2020-02-10 17:49:43 +0100
committerCédric Ollivier <cedric.ollivier@orange.com>2020-03-13 15:56:01 +0100
commit98d9f93337ab514fa9aafc1cd1e87473de68b364 (patch)
tree01a1f75403de65cb1d014bfe012528f14ac65519 /functest_kubernetes
parent080d2414682d5fecea8c01640e2e5971278fe19d (diff)
Add security docker for functest-kubernetes
run kube-hunter and kube-bench cases dealing with security in kubernetes (check vulnerabilities) [1][2] It's the first step only printing the output. [1]: https://github.com/aquasecurity/kube-bench [2]: https://github.com/aquasecurity/kube-hunter Co-Authored-By: Cédric Ollivier <cedric.ollivier@orange.com> Change-Id: I3bd9bda80046ef7a0c494d51dfb0b8cbfea02bb0 Signed-off-by: mrichomme <morgan.richomme@orange.com>
Diffstat (limited to 'functest_kubernetes')
-rw-r--r--functest_kubernetes/security/__init__.py0
-rw-r--r--functest_kubernetes/security/kube-bench.yaml51
-rw-r--r--functest_kubernetes/security/kube-hunter.yaml14
-rw-r--r--functest_kubernetes/security/security.py121
4 files changed, 186 insertions, 0 deletions
diff --git a/functest_kubernetes/security/__init__.py b/functest_kubernetes/security/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/functest_kubernetes/security/__init__.py
diff --git a/functest_kubernetes/security/kube-bench.yaml b/functest_kubernetes/security/kube-bench.yaml
new file mode 100644
index 00000000..ec42ba16
--- /dev/null
+++ b/functest_kubernetes/security/kube-bench.yaml
@@ -0,0 +1,51 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+ name: kube-bench
+spec:
+ template:
+ metadata:
+ labels:
+ app: kube-bench
+ spec:
+ hostPID: true
+ containers:
+ - name: kube-bench
+ image: aquasec/kube-bench:latest
+ command: ["kube-bench"]
+ volumeMounts:
+ - name: var-lib-etcd
+ mountPath: /var/lib/etcd
+ readOnly: true
+ - name: var-lib-kubelet
+ mountPath: /var/lib/kubelet
+ readOnly: true
+ - name: etc-systemd
+ mountPath: /etc/systemd
+ readOnly: true
+ - name: etc-kubernetes
+ mountPath: /etc/kubernetes
+ readOnly: true
+ # /usr/local/mount-from-host/bin is mounted to access kubectl / kubelet, for auto-detecting the Kubernetes version.
+ # You can omit this mount if you specify --version as part of the command.
+ - name: usr-bin
+ mountPath: /usr/local/mount-from-host/bin
+ readOnly: true
+ restartPolicy: Never
+ volumes:
+ - name: var-lib-etcd
+ hostPath:
+ path: "/var/lib/etcd"
+ - name: var-lib-kubelet
+ hostPath:
+ path: "/var/lib/kubelet"
+ - name: etc-systemd
+ hostPath:
+ path: "/etc/systemd"
+ - name: etc-kubernetes
+ hostPath:
+ path: "/etc/kubernetes"
+ - name: usr-bin
+ hostPath:
+ path: "/usr/bin"
diff --git a/functest_kubernetes/security/kube-hunter.yaml b/functest_kubernetes/security/kube-hunter.yaml
new file mode 100644
index 00000000..ce88c062
--- /dev/null
+++ b/functest_kubernetes/security/kube-hunter.yaml
@@ -0,0 +1,14 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+ name: kube-hunter
+spec:
+ template:
+ spec:
+ containers:
+ - name: kube-hunter
+ image: aquasec/kube-hunter
+ command: ["python", "kube-hunter.py"]
+ args: ["--pod"]
+ restartPolicy: Never
+ backoffLimit: 4
diff --git a/functest_kubernetes/security/security.py b/functest_kubernetes/security/security.py
new file mode 100644
index 00000000..33e70f86
--- /dev/null
+++ b/functest_kubernetes/security/security.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2020 Orange and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+
+"""
+Define the parent for Kubernetes testing.
+"""
+
+from __future__ import division
+
+import logging
+import time
+import yaml
+
+from kubernetes import client
+from kubernetes import config
+from kubernetes import watch
+import pkg_resources
+from xtesting.core import testcase
+
+
+class SecurityTesting(testcase.TestCase):
+ """Run Security job"""
+ namespace = 'default'
+ watch_timeout = 1200
+
+ __logger = logging.getLogger(__name__)
+
+ def __init__(self, **kwargs):
+ super(SecurityTesting, self).__init__(**kwargs)
+ config.load_kube_config()
+ self.corev1 = client.CoreV1Api()
+ self.batchv1 = client.BatchV1Api()
+ self.pod = None
+ self.job_name = None
+
+ def deploy_job(self):
+ """Run Security job
+
+ It runs a single security job and then simply prints its output asis.
+ """
+
+ assert self.job_name
+ with open(pkg_resources.resource_filename(
+ "functest_kubernetes",
+ "security/{}.yaml".format(self.job_name))) as yfile:
+ body = yaml.safe_load(yfile)
+ api_response = self.batchv1.create_namespaced_job(
+ body=body, namespace="default")
+ self.__logger.info("Job %s created", api_response.metadata.name)
+ self.__logger.debug("create_namespaced_job: %s", api_response)
+ watch_job = watch.Watch()
+ for event in watch_job.stream(
+ func=self.batchv1.list_namespaced_job,
+ namespace=self.namespace, timeout_seconds=self.watch_timeout):
+ if (event["object"].metadata.name == self.job_name and
+ event["object"].status.succeeded == 1):
+ self.__logger.info(
+ "%s started in %0.2f sec", event['object'].metadata.name,
+ time.time()-self.start_time)
+ watch_job.stop()
+ pods = self.corev1.list_namespaced_pod(
+ self.namespace, label_selector='job-name={}'.format(self.job_name))
+ self.pod = pods.items[0].metadata.name
+ api_response = self.corev1.read_namespaced_pod_log(
+ name=self.pod, namespace=self.namespace)
+ self.__logger.warning("\n\n%s", api_response)
+ self.result = 100
+
+ def run(self, **kwargs):
+ assert self.job_name
+ self.start_time = time.time()
+ try:
+ self.deploy_job()
+ except client.rest.ApiException:
+ self.__logger.exception("Cannot run %s", self.job_name)
+ self.stop_time = time.time()
+
+ def clean(self):
+ try:
+ api_response = self.corev1.delete_namespaced_pod(
+ name=self.pod, namespace=self.namespace)
+ self.__logger.debug("delete_namespaced_pod: %s", api_response)
+ except client.rest.ApiException:
+ pass
+ try:
+ api_response = self.batchv1.delete_namespaced_job(
+ name=self.job_name, namespace=self.namespace)
+ self.__logger.debug(
+ "delete_namespaced_deployment: %s", api_response)
+ except client.rest.ApiException:
+ pass
+
+
+class KubeHunter(SecurityTesting):
+ """kube-hunter hunts for security weaknesses in Kubernetes clusters.
+
+ See https://github.com/aquasecurity/kube-hunter for more details
+ """
+
+ def __init__(self, **kwargs):
+ super(KubeHunter, self).__init__(**kwargs)
+ self.job_name = "kube-hunter"
+
+
+class KubeBench(SecurityTesting):
+ """kube-bench checks whether Kubernetes is deployed securelyself.
+
+ It runs the checks documented in the CIS Kubernetes Benchmark.
+
+ See https://github.com/aquasecurity/kube-bench for more details
+ """
+
+ def __init__(self, **kwargs):
+ super(KubeBench, self).__init__(**kwargs)
+ self.job_name = "kube-bench"