mirror of
https://github.com/aquasecurity/kube-bench.git
synced 2024-11-22 08:08:07 +00:00
Fixes Issue 269 - Numbering to use CIS Versions (#511)
* starting benchmark flag
* Revert "starting benchmark flag"
This reverts commit 58fc948626.
* fixes issue #269
* add more unit tests
* fix bug
* Update cmd/common.go
Co-Authored-By: Liz Rice <liz@lizrice.com>
* fixes as per PR review
* fixes as per PR review
* adds more tests
* fixed tests
* changes as per PR Review
* changes as per PR Review
* updated README
* Update README.md
Co-Authored-By: Liz Rice <liz@lizrice.com>
* Update README.md
Co-Authored-By: Liz Rice <liz@lizrice.com>
* Update README.md
Co-Authored-By: Liz Rice <liz@lizrice.com>
* Update README.md
Co-Authored-By: Liz Rice <liz@lizrice.com>
* changes are per PR review
This commit is contained in:
Roberto Rojas
GitHub
parent
8276e521d4
commit
7ca438b618
83
README.md
83
README.md
@ -19,39 +19,43 @@ Tests are configured with YAML files, making this tool easy to update as test sp
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Table of Contents
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Table of Contents
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=================
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=================
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* [CIS Kubernetes Benchmark support](#cis-kubernetes-benchmark-support)
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- [Table of Contents](#table-of-contents)
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* [Installation](#installation)
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- [CIS Kubernetes Benchmark support](#cis-kubernetes-benchmark-support)
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* [Running kube-bench](#running-kube-bench)
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- [Installation](#installation)
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* [Running inside a container](#running-inside-a-container)
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- [Running kube-bench](#running-kube-bench)
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* [Running in a kubernetes cluster](#running-in-a-kubernetes-cluster)
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- [Running inside a container](#running-inside-a-container)
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* [Running in an EKS cluster](#running-in-an-eks-cluster)
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- [Running in a Kubernetes cluster](#running-in-a-kubernetes-cluster)
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* [Installing from a container](#installing-from-a-container)
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- [Running in an EKS cluster](#running-in-an-eks-cluster)
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* [Installing from sources](#installing-from-sources)
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- [Installing from a container](#installing-from-a-container)
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* [Running on OpenShift](#running-on-openshift)
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- [Installing from sources](#installing-from-sources)
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* [Output](#output)
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- [Running on OpenShift](#running-on-openshift)
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* [Configuration](#configuration)
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- [Output](#output)
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* [Test config YAML representation](#test-config-yaml-representation)
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- [Configuration](#configuration)
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* [Omitting checks](#omitting-checks)
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- [Test config YAML representation](#test-config-yaml-representation)
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* [Roadmap](#roadmap)
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- [Omitting checks](#omitting-checks)
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* [Testing locally with kind](#testing-locally-with-kind)
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- [Roadmap](#roadmap)
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* [Contributing](#contributing)
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- [Testing locally with kind](#testing-locally-with-kind)
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* [Bugs](#bugs)
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- [Contributing](#contributing)
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* [Features](#features)
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- [Bugs](#bugs)
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* [Pull Requests](#pull-requests)
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- [Features](#features)
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- [Pull Requests](#pull-requests)
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## CIS Kubernetes Benchmark support
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## CIS Kubernetes Benchmark support
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kube-bench supports the tests for Kubernetes as defined in the CIS Benchmarks 1.3.0 to 1.4.0 respectively.
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kube-bench supports the tests for Kubernetes as defined in the CIS Benchmarks 1.3.0 to 1.4.1 respectively.
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| CIS Kubernetes Benchmark | kube-bench config | Kubernetes versions |
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| CIS Kubernetes Benchmark | kube-bench config | Kubernetes versions |
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|---|---|---|
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|---|---|---|
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| 1.3.0| 1.11 | 1.11-1.12 |
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| 1.3.0| cis-1.3 | 1.11-1.12 |
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| 1.4.1| 1.13 | 1.13- |
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| 1.4.1| cis-1.4 | 1.13- |
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By default kube-bench will determine the test set to run based on the Kubernetes version running on the machine.
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By default kube-bench will determine the test set to run based on the Kubernetes version running on the machine.
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There is also preliminary support for Red Hat's OpenShift Hardening Guide for 3.10 and 3.11. Please note that kube-bench does not automatically detect OpenShift - see below.
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There is also preliminary support for Red Hat's OpenShift Hardening Guide for 3.10 and 3.11. Please note that kube-bench does not automatically detect OpenShift - see below.
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## Installation
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## Installation
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You can choose to
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You can choose to
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@ -78,16 +82,31 @@ For example, run kube-bench against a master with version auto-detection:
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kube-bench master
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kube-bench master
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```
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```
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Or run kube-bench against a node with the node `controls` for Kubernetes version 1.13:
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Or run kube-bench against a node with the node `controls` for Kubernetes version 1.13:
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```
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```
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kube-bench node --version 1.13
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kube-bench node --version 1.13
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```
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```
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`controls` for the various versions of Kubernetes can be found in directories
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`kube-bench` will map the `--version` to the corresponding CIS Benchmark version as indicated by the version mapping table above.
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with same name as the Kubernetes versions under `cfg/`, for example `cfg/1.13`.
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`controls` are also organized by distribution under the `cfg` directory for
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For example, if you specify:
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example `cfg/ocp-3.10`.
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```
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kube-bench node --version 1.13
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```
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`kube-bench` will map the `1.13` to CIS Bechmark version `cis-1.14`
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Also, you can specify `--benchmark` to run a specific CIS Benchmark version:
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```
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kube-bench node --benchmark cis-1.4
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```
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`controls` for the various versions of CIS Benchmark can be found in directories
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with same name as the CIS Benchmark versions under `cfg/`, for example `cfg/cis-1.4`.
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**Note:** **`It is an error to specify both --version and --benchmark flags together`**
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### Running inside a container
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### Running inside a container
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@ -183,7 +202,15 @@ go build -o kube-bench .
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## Running on OpenShift
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## Running on OpenShift
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kube-bench includes a set of test files for Red Hat's OpenShift hardening guide for OCP 3.10 and 3.11. To run this you will need to specify `--version ocp-3.10` when you run the `kube-bench` command (either directly or through YAML). This config version is valid for OCP 3.10 and 3.11.
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| OpenShift Hardening Guide | kube-bench config |
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|---|---|---|
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| ocp-3.10| rh-0.7 |
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| ocp-3.11| rh-0.7 |
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kube-bench includes a set of test files for Red Hat's OpenShift hardening guide for OCP 3.10 and 3.11. To run this you will need to specify `--benchmark rh-07`, or `--version ocp-3.10` or `--version ocp-3.11`
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when you run the `kube-bench` command (either directly or through YAML).
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## Output
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## Output
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@ -139,4 +139,13 @@ node:
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svc:
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svc:
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- "/lib/systemd/system/kube-proxy.service"
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- "/lib/systemd/system/kube-proxy.service"
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defaultconf: /etc/kubernetes/addons/kube-proxy-daemonset.yaml
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defaultconf: /etc/kubernetes/addons/kube-proxy-daemonset.yaml
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defaultkubeconfig: "/etc/kubernetes/proxy.conf"
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defaultkubeconfig: "/etc/kubernetes/proxy.conf"
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version_mapping:
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"1.11": "cis-1.3"
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"1.12": "cis-1.3"
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"1.13": "cis-1.4"
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"1.14": "cis-1.4"
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"1.15": "cis-1.4"
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"ocp-3.10": "rh-0.7"
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"ocp-3.11": "rh-0.7"
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File diff suppressed because it is too large
Load Diff
@ -1,376 +0,0 @@
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---
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controls:
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id: 2
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text: "Worker Node Security Configuration"
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type: "node"
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groups:
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- id: 7
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text: "Kubelet"
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checks:
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- id: 7.1
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text: "Use Security Context Constraints to manage privileged containers as needed"
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type: "skip"
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scored: true
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- id: 7.2
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text: "Ensure anonymous-auth is not disabled"
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type: "skip"
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scored: true
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- id: 7.3
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text: "Verify that the --authorization-mode argument is set to WebHook"
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audit: "grep -A1 authorization-mode /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- flag: "authorization-mode"
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set: false
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- flag: "authorization-mode: Webhook"
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compare:
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op: has
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value: "Webhook"
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set: true
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove authorization-mode under
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kubeletArguments in /etc/origin/node/node-config.yaml or set it to "Webhook".
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scored: true
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- id: 7.4
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text: "Verify the OpenShift default for the client-ca-file argument"
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audit: "grep -A1 client-ca-file /etc/origin/node/node-config.yaml"
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tests:
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test_items:
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- flag: "client-ca-file"
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set: false
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove any configuration returned by the following:
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grep -A1 client-ca-file /etc/origin/node/node-config.yaml
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Reset to the OpenShift default.
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See https://github.com/openshift/openshift-ansible/blob/release-3.10/roles/openshift_node_group/templates/node-config.yaml.j2#L65
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The config file does not have this defined in kubeletArgument, but in PodManifestConfig.
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scored: true
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- id: 7.5
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text: "Verify the OpenShift default setting for the read-only-port argument"
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audit: "grep -A1 read-only-port /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- flag: "read-only-port"
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set: false
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- flag: "read-only-port: 0"
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compare:
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op: has
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value: "0"
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set: true
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and removed so that the OpenShift default is applied.
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scored: true
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- id: 7.6
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text: "Adjust the streaming-connection-idle-timeout argument"
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audit: "grep -A1 streaming-connection-idle-timeout /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- flag: "streaming-connection-idle-timeout"
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set: false
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- flag: "5m"
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set: false
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and set the streaming-connection-timeout
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value like the following in node-config.yaml.
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kubeletArguments:
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streaming-connection-idle-timeout:
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- "5m"
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scored: true
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|
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- id: 7.7
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text: "Verify the OpenShift defaults for the protect-kernel-defaults argument"
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type: "skip"
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scored: true
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- id: 7.8
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text: "Verify the OpenShift default value of true for the make-iptables-util-chains argument"
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audit: "grep -A1 make-iptables-util-chains /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
|
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- flag: "make-iptables-util-chains"
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set: false
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- flag: "make-iptables-util-chains: true"
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compare:
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op: has
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value: "true"
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set: true
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and reset make-iptables-util-chains to the OpenShift
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default value of true.
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scored: true
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|
|
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- id: 7.9
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text: "Verify that the --keep-terminated-pod-volumes argument is set to false"
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audit: "grep -A1 keep-terminated-pod-volumes /etc/origin/node/node-config.yaml"
|
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tests:
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test_items:
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- flag: "keep-terminated-pod-volumes: false"
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compare:
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|
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op: has
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value: "false"
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set: true
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remediation: |
|
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||||||
Reset to the OpenShift defaults
|
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scored: true
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- id: 7.10
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text: "Verify the OpenShift defaults for the hostname-override argument"
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type: "skip"
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scored: true
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|
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- id: 7.11
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text: "Set the --event-qps argument to 0"
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audit: "grep -A1 event-qps /etc/origin/node/node-config.yaml"
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tests:
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|
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bin_op: or
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|
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test_items:
|
|
||||||
- flag: "event-qps"
|
|
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set: false
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- flag: "event-qps: 0"
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compare:
|
|
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op: has
|
|
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value: "0"
|
|
||||||
set: true
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|
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remediation: |
|
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||||||
Edit the Openshift node config file /etc/origin/node/node-config.yaml set the event-qps argument to 0 in
|
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the kubeletArguments section of.
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scored: true
|
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||||||
|
|
||||||
- id: 7.12
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||||||
text: "Verify the OpenShift cert-dir flag for HTTPS traffic"
|
|
||||||
audit: "grep -A1 cert-dir /etc/origin/node/node-config.yaml"
|
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||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "/etc/origin/node/certificates"
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|
||||||
compare:
|
|
||||||
op: has
|
|
||||||
value: "/etc/origin/node/certificates"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Reset to the OpenShift default values.
|
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||||||
scored: true
|
|
||||||
|
|
||||||
- id: 7.13
|
|
||||||
text: "Verify the OpenShift default of 0 for the cadvisor-port argument"
|
|
||||||
audit: "grep -A1 cadvisor-port /etc/origin/node/node-config.yaml"
|
|
||||||
tests:
|
|
||||||
bin_op: or
|
|
||||||
test_items:
|
|
||||||
- flag: "cadvisor-port"
|
|
||||||
set: false
|
|
||||||
- flag: "cadvisor-port: 0"
|
|
||||||
compare:
|
|
||||||
op: has
|
|
||||||
value: "0"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove the cadvisor-port flag
|
|
||||||
if it is set in the kubeletArguments section.
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 7.14
|
|
||||||
text: "Verify that the RotateKubeletClientCertificate argument is set to true"
|
|
||||||
audit: "grep -B1 RotateKubeletClientCertificate=true /etc/origin/node/node-config.yaml"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "RotateKubeletClientCertificate=true"
|
|
||||||
compare:
|
|
||||||
op: has
|
|
||||||
value: "true"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Edit the Openshift node config file /etc/origin/node/node-config.yaml and set RotateKubeletClientCertificate to true.
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 7.15
|
|
||||||
text: "Verify that the RotateKubeletServerCertificate argument is set to true"
|
|
||||||
audit: "grep -B1 RotateKubeletServerCertificate=true /etc/origin/node/node-config.yaml"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "RotateKubeletServerCertificate=true"
|
|
||||||
compare:
|
|
||||||
op: has
|
|
||||||
value: "true"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Edit the Openshift node config file /etc/origin/node/node-config.yaml and set RotateKubeletServerCertificate to true.
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
|
|
||||||
- id: 8
|
|
||||||
text: "Configuration Files"
|
|
||||||
checks:
|
|
||||||
- id: 8.1
|
|
||||||
text: "Verify the OpenShift default permissions for the kubelet.conf file"
|
|
||||||
audit: "stat -c %a /etc/origin/node/node.kubeconfig"
|
|
||||||
tests:
|
|
||||||
bin_op: or
|
|
||||||
test_items:
|
|
||||||
- flag: "644"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "644"
|
|
||||||
set: true
|
|
||||||
- flag: "640"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "640"
|
|
||||||
set: true
|
|
||||||
- flag: "600"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "600"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chmod 644 /etc/origin/node/node.kubeconfig
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.2
|
|
||||||
text: "Verify the kubeconfig file ownership of root:root"
|
|
||||||
audit: "stat -c %U:%G /etc/origin/node/node.kubeconfig"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "root:root"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: root:root
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chown root:root /etc/origin/node/node.kubeconfig
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.3
|
|
||||||
text: "Verify the kubelet service file permissions of 644"
|
|
||||||
audit: "stat -c %a /etc/systemd/system/atomic-openshift-node.service"
|
|
||||||
tests:
|
|
||||||
bin_op: or
|
|
||||||
test_items:
|
|
||||||
- flag: "644"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "644"
|
|
||||||
set: true
|
|
||||||
- flag: "640"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "640"
|
|
||||||
set: true
|
|
||||||
- flag: "600"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "600"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chmod 644 /etc/systemd/system/atomic-openshift-node.service
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.4
|
|
||||||
text: "Verify the kubelet service file ownership of root:root"
|
|
||||||
audit: "stat -c %U:%G /etc/systemd/system/atomic-openshift-node.service"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "root:root"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: root:root
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chown root:root /etc/systemd/system/atomic-openshift-node.service
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.5
|
|
||||||
text: "Verify the OpenShift default permissions for the proxy kubeconfig file"
|
|
||||||
audit: "stat -c %a /etc/origin/node/node.kubeconfig"
|
|
||||||
tests:
|
|
||||||
bin_op: or
|
|
||||||
test_items:
|
|
||||||
- flag: "644"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "644"
|
|
||||||
set: true
|
|
||||||
- flag: "640"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "640"
|
|
||||||
set: true
|
|
||||||
- flag: "600"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "600"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chmod 644 /etc/origin/node/node.kubeconfig
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.6
|
|
||||||
text: "Verify the proxy kubeconfig file ownership of root:root"
|
|
||||||
audit: "stat -c %U:%G /etc/origin/node/node.kubeconfig"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "root:root"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: root:root
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chown root:root /etc/origin/node/node.kubeconfig
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.7
|
|
||||||
text: "Verify the OpenShift default permissions for the certificate authorities file."
|
|
||||||
audit: "stat -c %a /etc/origin/node/client-ca.crt"
|
|
||||||
tests:
|
|
||||||
bin_op: or
|
|
||||||
test_items:
|
|
||||||
- flag: "644"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "644"
|
|
||||||
set: true
|
|
||||||
- flag: "640"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "640"
|
|
||||||
set: true
|
|
||||||
- flag: "600"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: "600"
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chmod 644 /etc/origin/node/client-ca.crt
|
|
||||||
scored: true
|
|
||||||
|
|
||||||
- id: 8.8
|
|
||||||
text: "Verify the client certificate authorities file ownership of root:root"
|
|
||||||
audit: "stat -c %U:%G /etc/origin/node/client-ca.crt"
|
|
||||||
tests:
|
|
||||||
test_items:
|
|
||||||
- flag: "root:root"
|
|
||||||
compare:
|
|
||||||
op: eq
|
|
||||||
value: root:root
|
|
||||||
set: true
|
|
||||||
remediation: |
|
|
||||||
Run the below command on each worker node.
|
|
||||||
chown root:root /etc/origin/node/client-ca.crt
|
|
||||||
scored: true
|
|
||||||
@ -1,27 +0,0 @@
|
|||||||
---
|
|
||||||
## Version-specific settings that override the values in cfg/config.yaml
|
|
||||||
|
|
||||||
master:
|
|
||||||
apiserver:
|
|
||||||
bins:
|
|
||||||
- openshift start master api
|
|
||||||
- hypershift openshift-kube-apiserver
|
|
||||||
|
|
||||||
scheduler:
|
|
||||||
bins:
|
|
||||||
- "openshift start master controllers"
|
|
||||||
confs:
|
|
||||||
- /etc/origin/master/scheduler.json
|
|
||||||
|
|
||||||
controllermanager:
|
|
||||||
bins:
|
|
||||||
- "openshift start master controllers"
|
|
||||||
|
|
||||||
etcd:
|
|
||||||
bins:
|
|
||||||
- openshift start etcd
|
|
||||||
|
|
||||||
node:
|
|
||||||
proxy:
|
|
||||||
bins:
|
|
||||||
- openshift start network
|
|
||||||
@ -209,15 +209,12 @@ func loadConfig(nodetype check.NodeType) string {
|
|||||||
file = nodeFile
|
file = nodeFile
|
||||||
}
|
}
|
||||||
|
|
||||||
runningVersion := ""
|
benchmarkVersion, err := getBenchmarkVersion(kubeVersion, benchmarkVersion, viper.GetViper())
|
||||||
if kubeVersion == "" {
|
if err != nil {
|
||||||
runningVersion, err = getKubeVersion()
|
exitWithError(err)
|
||||||
if err != nil {
|
|
||||||
exitWithError(fmt.Errorf("Version check failed: \n%s", err))
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
path, err := getConfigFilePath(kubeVersion, runningVersion, file)
|
path, err := getConfigFilePath(benchmarkVersion, file)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
exitWithError(fmt.Errorf("can't find %s controls file in %s: %v", nodetype, cfgDir, err))
|
exitWithError(fmt.Errorf("can't find %s controls file in %s: %v", nodetype, cfgDir, err))
|
||||||
}
|
}
|
||||||
@ -237,6 +234,60 @@ func loadConfig(nodetype check.NodeType) string {
|
|||||||
return filepath.Join(path, file)
|
return filepath.Join(path, file)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func mapToBenchmarkVersion(kubeToBenchmarkMap map[string]string, kv string) (string, error) {
|
||||||
|
cisVersion, found := kubeToBenchmarkMap[kv]
|
||||||
|
for !found && (kv != defaultKubeVersion && !isEmpty(kv)) {
|
||||||
|
kv = decrementVersion(kv)
|
||||||
|
cisVersion, found = kubeToBenchmarkMap[kv]
|
||||||
|
glog.V(2).Info(fmt.Sprintf("mapToBenchmarkVersion for cisVersion: %q found: %t\n", cisVersion, found))
|
||||||
|
}
|
||||||
|
|
||||||
|
if !found {
|
||||||
|
glog.V(1).Info(fmt.Sprintf("mapToBenchmarkVersion unable to find a match for: %q", kv))
|
||||||
|
glog.V(3).Info(fmt.Sprintf("mapToBenchmarkVersion kubeToBenchmarkSMap: %#v", kubeToBenchmarkMap))
|
||||||
|
return "", fmt.Errorf("Unable to find a matching Benchmark Version match for kubernetes version: %s", kubeVersion)
|
||||||
|
}
|
||||||
|
|
||||||
|
return cisVersion, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func loadVersionMapping(v *viper.Viper) (map[string]string, error) {
|
||||||
|
kubeToBenchmarkMap := v.GetStringMapString("version_mapping")
|
||||||
|
if kubeToBenchmarkMap == nil || (len(kubeToBenchmarkMap) == 0) {
|
||||||
|
return nil, fmt.Errorf("config file is missing 'version_mapping' section")
|
||||||
|
}
|
||||||
|
|
||||||
|
return kubeToBenchmarkMap, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func getBenchmarkVersion(kubeVersion, benchmarkVersion string, v *viper.Viper) (bv string, err error) {
|
||||||
|
if !isEmpty(kubeVersion) && !isEmpty(benchmarkVersion) {
|
||||||
|
return "", fmt.Errorf("It is an error to specify both --version and --benchmark flags")
|
||||||
|
}
|
||||||
|
|
||||||
|
if isEmpty(benchmarkVersion) {
|
||||||
|
if isEmpty(kubeVersion) {
|
||||||
|
kubeVersion, err = getKubeVersion()
|
||||||
|
if err != nil {
|
||||||
|
return "", fmt.Errorf("Version check failed: %s\nAlternatively, you can specify the version with --version", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
kubeToBenchmarkMap, err := loadVersionMapping(v)
|
||||||
|
if err != nil {
|
||||||
|
return "", err
|
||||||
|
}
|
||||||
|
|
||||||
|
benchmarkVersion, err = mapToBenchmarkVersion(kubeToBenchmarkMap, kubeVersion)
|
||||||
|
if err != nil {
|
||||||
|
return "", err
|
||||||
|
}
|
||||||
|
|
||||||
|
glog.V(2).Info(fmt.Sprintf("Mapped Kubernetes version: %s to Benchmark version: %s", kubeVersion, benchmarkVersion))
|
||||||
|
}
|
||||||
|
return benchmarkVersion, nil
|
||||||
|
}
|
||||||
|
|
||||||
// isMaster verify if master components are running on the node.
|
// isMaster verify if master components are running on the node.
|
||||||
func isMaster() bool {
|
func isMaster() bool {
|
||||||
glog.V(2).Info("Checking if the current node is running master components")
|
glog.V(2).Info("Checking if the current node is running master components")
|
||||||
|
|||||||
@ -16,6 +16,10 @@ package cmd
|
|||||||
|
|
||||||
import (
|
import (
|
||||||
"errors"
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
"io/ioutil"
|
||||||
|
"os"
|
||||||
|
"path/filepath"
|
||||||
"testing"
|
"testing"
|
||||||
|
|
||||||
"github.com/aquasecurity/kube-bench/check"
|
"github.com/aquasecurity/kube-bench/check"
|
||||||
@ -166,3 +170,234 @@ func TestIsMaster(t *testing.T) {
|
|||||||
assert.Equal(t, tc.isMaster, isMaster(), tc.name)
|
assert.Equal(t, tc.isMaster, isMaster(), tc.name)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func TestMapToCISVersion(t *testing.T) {
|
||||||
|
|
||||||
|
viperWithData, err := loadConfigForTest()
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Unable to load config file %v", err)
|
||||||
|
}
|
||||||
|
kubeToBenchmarkMap, err := loadVersionMapping(viperWithData)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Unable to load config file %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
cases := []struct {
|
||||||
|
kubeVersion string
|
||||||
|
succeed bool
|
||||||
|
exp string
|
||||||
|
}{
|
||||||
|
{kubeVersion: "1.9", succeed: false, exp: ""},
|
||||||
|
{kubeVersion: "1.11", succeed: true, exp: "cis-1.3"},
|
||||||
|
{kubeVersion: "1.12", succeed: true, exp: "cis-1.3"},
|
||||||
|
{kubeVersion: "1.13", succeed: true, exp: "cis-1.4"},
|
||||||
|
{kubeVersion: "1.16", succeed: true, exp: "cis-1.4"},
|
||||||
|
{kubeVersion: "ocp-3.10", succeed: true, exp: "rh-0.7"},
|
||||||
|
{kubeVersion: "ocp-3.11", succeed: true, exp: "rh-0.7"},
|
||||||
|
{kubeVersion: "unknown", succeed: false, exp: ""},
|
||||||
|
}
|
||||||
|
for _, c := range cases {
|
||||||
|
rv, err := mapToBenchmarkVersion(kubeToBenchmarkMap, c.kubeVersion)
|
||||||
|
if c.succeed {
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("[%q]-Unexpected error: %v", c.kubeVersion, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if len(rv) == 0 {
|
||||||
|
t.Errorf("[%q]-missing return value", c.kubeVersion)
|
||||||
|
}
|
||||||
|
|
||||||
|
if c.exp != rv {
|
||||||
|
t.Errorf("[%q]- expected %q but Got %q", c.kubeVersion, c.exp, rv)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if c.exp != rv {
|
||||||
|
t.Errorf("mapToBenchmarkVersion kubeversion: %q Got %q expected %s", c.kubeVersion, rv, c.exp)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestLoadVersionMapping(t *testing.T) {
|
||||||
|
setDefault := func(v *viper.Viper, key string, value interface{}) *viper.Viper {
|
||||||
|
v.SetDefault(key, value)
|
||||||
|
return v
|
||||||
|
}
|
||||||
|
|
||||||
|
viperWithData, err := loadConfigForTest()
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Unable to load config file %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
cases := []struct {
|
||||||
|
n string
|
||||||
|
v *viper.Viper
|
||||||
|
succeed bool
|
||||||
|
}{
|
||||||
|
{n: "empty", v: viper.New(), succeed: false},
|
||||||
|
{
|
||||||
|
n: "novals",
|
||||||
|
v: setDefault(viper.New(), "version_mapping", "novals"),
|
||||||
|
succeed: false,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
n: "good",
|
||||||
|
v: viperWithData,
|
||||||
|
succeed: true,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
for _, c := range cases {
|
||||||
|
rv, err := loadVersionMapping(c.v)
|
||||||
|
if c.succeed {
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("[%q]-Unexpected error: %v", c.n, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if len(rv) == 0 {
|
||||||
|
t.Errorf("[%q]-missing mapping value", c.n)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if err == nil {
|
||||||
|
t.Errorf("[%q]-Expected error but got none", c.n)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestGetBenchmarkVersion(t *testing.T) {
|
||||||
|
viperWithData, err := loadConfigForTest()
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Unable to load config file %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
type getBenchmarkVersionFnToTest func(kubeVersion, benchmarkVersion string, v *viper.Viper) (string, error)
|
||||||
|
|
||||||
|
withFakeKubectl := func(kubeVersion, benchmarkVersion string, v *viper.Viper, fn getBenchmarkVersionFnToTest) (string, error) {
|
||||||
|
execCode := `#!/bin/sh
|
||||||
|
echo "Server Version: v1.13.10"
|
||||||
|
`
|
||||||
|
restore, err := fakeExecutableInPath("kubectl", execCode)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatal("Failed when calling fakeExecutableInPath ", err)
|
||||||
|
}
|
||||||
|
defer restore()
|
||||||
|
|
||||||
|
return fn(kubeVersion, benchmarkVersion, v)
|
||||||
|
}
|
||||||
|
|
||||||
|
withNoPath := func(kubeVersion, benchmarkVersion string, v *viper.Viper, fn getBenchmarkVersionFnToTest) (string, error) {
|
||||||
|
restore, err := prunePath()
|
||||||
|
if err != nil {
|
||||||
|
t.Fatal("Failed when calling prunePath ", err)
|
||||||
|
}
|
||||||
|
defer restore()
|
||||||
|
|
||||||
|
return fn(kubeVersion, benchmarkVersion, v)
|
||||||
|
}
|
||||||
|
|
||||||
|
type getBenchmarkVersionFn func(string, string, *viper.Viper, getBenchmarkVersionFnToTest) (string, error)
|
||||||
|
cases := []struct {
|
||||||
|
n string
|
||||||
|
kubeVersion string
|
||||||
|
benchmarkVersion string
|
||||||
|
v *viper.Viper
|
||||||
|
callFn getBenchmarkVersionFn
|
||||||
|
exp string
|
||||||
|
succeed bool
|
||||||
|
}{
|
||||||
|
{n: "both versions", kubeVersion: "1.11", benchmarkVersion: "cis-1.3", exp: "cis-1.3", callFn: withNoPath, v: viper.New(), succeed: false},
|
||||||
|
{n: "no version-missing-kubectl", kubeVersion: "", benchmarkVersion: "", v: viperWithData, exp: "", callFn: withNoPath, succeed: false},
|
||||||
|
{n: "no version-fakeKubectl", kubeVersion: "", benchmarkVersion: "", v: viperWithData, exp: "cis-1.4", callFn: withFakeKubectl, succeed: true},
|
||||||
|
{n: "kubeVersion", kubeVersion: "1.11", benchmarkVersion: "", v: viperWithData, exp: "cis-1.3", callFn: withNoPath, succeed: true},
|
||||||
|
{n: "ocpVersion310", kubeVersion: "ocp-3.10", benchmarkVersion: "", v: viperWithData, exp: "rh-0.7", callFn: withNoPath, succeed: true},
|
||||||
|
{n: "ocpVersion311", kubeVersion: "ocp-3.11", benchmarkVersion: "", v: viperWithData, exp: "rh-0.7", callFn: withNoPath, succeed: true},
|
||||||
|
}
|
||||||
|
for _, c := range cases {
|
||||||
|
rv, err := c.callFn(c.kubeVersion, c.benchmarkVersion, c.v, getBenchmarkVersion)
|
||||||
|
if c.succeed {
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("[%q]-Unexpected error: %v", c.n, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if len(rv) == 0 {
|
||||||
|
t.Errorf("[%q]-missing return value", c.n)
|
||||||
|
}
|
||||||
|
|
||||||
|
if c.exp != rv {
|
||||||
|
t.Errorf("[%q]- expected %q but Got %q", c.n, c.exp, rv)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if err == nil {
|
||||||
|
t.Errorf("[%q]-Expected error but got none", c.n)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func loadConfigForTest() (*viper.Viper, error) {
|
||||||
|
viperWithData := viper.New()
|
||||||
|
viperWithData.SetConfigFile(filepath.Join("..", cfgDir, "config.yaml"))
|
||||||
|
if err := viperWithData.ReadInConfig(); err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
return viperWithData, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
type restoreFn func()
|
||||||
|
|
||||||
|
func fakeExecutableInPath(execFile, execCode string) (restoreFn, error) {
|
||||||
|
pathenv := os.Getenv("PATH")
|
||||||
|
tmp, err := ioutil.TempDir("", "TestfakeExecutableInPath")
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
wd, err := os.Getwd()
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
err = os.Chdir(tmp)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
if len(execCode) > 0 {
|
||||||
|
ioutil.WriteFile(filepath.Join(tmp, execFile), []byte(execCode), 0700)
|
||||||
|
} else {
|
||||||
|
f, err := os.OpenFile(execFile, os.O_CREATE|os.O_EXCL, 0700)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
err = f.Close()
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
err = os.Setenv("PATH", fmt.Sprintf("%s:%s", tmp, pathenv))
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
restorePath := func() {
|
||||||
|
os.RemoveAll(tmp)
|
||||||
|
os.Chdir(wd)
|
||||||
|
os.Setenv("PATH", pathenv)
|
||||||
|
}
|
||||||
|
|
||||||
|
return restorePath, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func prunePath() (restoreFn, error) {
|
||||||
|
pathenv := os.Getenv("PATH")
|
||||||
|
err := os.Setenv("PATH", "")
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
restorePath := func() {
|
||||||
|
os.Setenv("PATH", pathenv)
|
||||||
|
}
|
||||||
|
return restorePath, nil
|
||||||
|
}
|
||||||
|
|||||||
@ -36,6 +36,7 @@ var (
|
|||||||
envVarsPrefix = "KUBE_BENCH"
|
envVarsPrefix = "KUBE_BENCH"
|
||||||
defaultKubeVersion = "1.11"
|
defaultKubeVersion = "1.11"
|
||||||
kubeVersion string
|
kubeVersion string
|
||||||
|
benchmarkVersion string
|
||||||
cfgFile string
|
cfgFile string
|
||||||
cfgDir string
|
cfgDir string
|
||||||
jsonFmt bool
|
jsonFmt bool
|
||||||
@ -113,6 +114,7 @@ func init() {
|
|||||||
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./cfg/config.yaml)")
|
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./cfg/config.yaml)")
|
||||||
RootCmd.PersistentFlags().StringVarP(&cfgDir, "config-dir", "D", "./cfg/", "config directory")
|
RootCmd.PersistentFlags().StringVarP(&cfgDir, "config-dir", "D", "./cfg/", "config directory")
|
||||||
RootCmd.PersistentFlags().StringVar(&kubeVersion, "version", "", "Manually specify Kubernetes version, automatically detected if unset")
|
RootCmd.PersistentFlags().StringVar(&kubeVersion, "version", "", "Manually specify Kubernetes version, automatically detected if unset")
|
||||||
|
RootCmd.PersistentFlags().StringVar(&benchmarkVersion, "benchmark", "", "Manually specify CIS benchmark version. It would be an error to specify both --version and --benchmark flags")
|
||||||
|
|
||||||
goflag.CommandLine.VisitAll(func(goflag *goflag.Flag) {
|
goflag.CommandLine.VisitAll(func(goflag *goflag.Flag) {
|
||||||
RootCmd.PersistentFlags().AddGoFlag(goflag)
|
RootCmd.PersistentFlags().AddGoFlag(goflag)
|
||||||
|
|||||||
52
cmd/util.go
52
cmd/util.go
@ -121,41 +121,19 @@ func getBinaries(v *viper.Viper, nodetype check.NodeType) (map[string]string, er
|
|||||||
return binmap, nil
|
return binmap, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// getConfigFilePath locates the config files we should be using based on either the specified
|
// getConfigFilePath locates the config files we should be using CIS version
|
||||||
// version, or the running version of kubernetes if not specified
|
func getConfigFilePath(benchmarkVersion string, filename string) (path string, err error) {
|
||||||
func getConfigFilePath(specifiedVersion string, runningVersion string, filename string) (path string, err error) {
|
glog.V(2).Info(fmt.Sprintf("Looking for config specific CIS version %q", benchmarkVersion))
|
||||||
var fileVersion string
|
|
||||||
|
|
||||||
if specifiedVersion != "" {
|
path = filepath.Join(cfgDir, benchmarkVersion)
|
||||||
fileVersion = specifiedVersion
|
file := filepath.Join(path, string(filename))
|
||||||
} else {
|
glog.V(2).Info(fmt.Sprintf("Looking for config file: %s", file))
|
||||||
fileVersion = runningVersion
|
|
||||||
}
|
if _, err = os.Stat(file); os.IsNotExist(err) {
|
||||||
|
glog.V(2).Infof("error accessing config file: %q error: %v\n", file, err)
|
||||||
glog.V(2).Info(fmt.Sprintf("Looking for config for version %s", fileVersion))
|
return "", fmt.Errorf("no test files found <= benchmark version: %s", benchmarkVersion)
|
||||||
|
|
||||||
for {
|
|
||||||
path = filepath.Join(cfgDir, fileVersion)
|
|
||||||
file := filepath.Join(path, string(filename))
|
|
||||||
glog.V(2).Info(fmt.Sprintf("Looking for config file: %s\n", file))
|
|
||||||
|
|
||||||
if _, err = os.Stat(file); !os.IsNotExist(err) {
|
|
||||||
if specifiedVersion == "" && fileVersion != runningVersion {
|
|
||||||
glog.V(1).Info(fmt.Sprintf("No test file found for %s - using tests for Kubernetes %s\n", runningVersion, fileVersion))
|
|
||||||
}
|
|
||||||
return path, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// If we were given an explicit version to look for, don't look for any others
|
|
||||||
if specifiedVersion != "" {
|
|
||||||
return "", err
|
|
||||||
}
|
|
||||||
|
|
||||||
fileVersion = decrementVersion(fileVersion)
|
|
||||||
if fileVersion == "" {
|
|
||||||
return "", fmt.Errorf("no test files found <= runningVersion")
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
return path, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
// decrementVersion decrements the version number
|
// decrementVersion decrements the version number
|
||||||
@ -163,6 +141,9 @@ func getConfigFilePath(specifiedVersion string, runningVersion string, filename
|
|||||||
// just in case someone wants to specify their own test files for that version
|
// just in case someone wants to specify their own test files for that version
|
||||||
func decrementVersion(version string) string {
|
func decrementVersion(version string) string {
|
||||||
split := strings.Split(version, ".")
|
split := strings.Split(version, ".")
|
||||||
|
if len(split) < 2 {
|
||||||
|
return ""
|
||||||
|
}
|
||||||
minor, err := strconv.Atoi(split[1])
|
minor, err := strconv.Atoi(split[1])
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return ""
|
return ""
|
||||||
@ -367,6 +348,11 @@ func makeSubstitutions(s string, ext string, m map[string]string) string {
|
|||||||
return s
|
return s
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func isEmpty(str string) bool {
|
||||||
|
return len(strings.TrimSpace(str)) == 0
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
func buildComponentMissingErrorMessage(nodetype check.NodeType, component string, bins []string) string {
|
func buildComponentMissingErrorMessage(nodetype check.NodeType, component string, bins []string) string {
|
||||||
|
|
||||||
errMessageTemplate := `
|
errMessageTemplate := `
|
||||||
|
|||||||
@ -409,7 +409,7 @@ func TestGetConfigFilePath(t *testing.T) {
|
|||||||
t.Fatalf("Failed to create temp directory")
|
t.Fatalf("Failed to create temp directory")
|
||||||
}
|
}
|
||||||
defer os.RemoveAll(cfgDir)
|
defer os.RemoveAll(cfgDir)
|
||||||
d := filepath.Join(cfgDir, "1.8")
|
d := filepath.Join(cfgDir, "cis-1.4")
|
||||||
err = os.Mkdir(d, 0666)
|
err = os.Mkdir(d, 0666)
|
||||||
if err != nil {
|
if err != nil {
|
||||||
t.Fatalf("Failed to create temp file")
|
t.Fatalf("Failed to create temp file")
|
||||||
@ -417,29 +417,57 @@ func TestGetConfigFilePath(t *testing.T) {
|
|||||||
ioutil.WriteFile(filepath.Join(d, "master.yaml"), []byte("hello world"), 0666)
|
ioutil.WriteFile(filepath.Join(d, "master.yaml"), []byte("hello world"), 0666)
|
||||||
|
|
||||||
cases := []struct {
|
cases := []struct {
|
||||||
specifiedVersion string
|
benchmarkVersion string
|
||||||
runningVersion string
|
|
||||||
succeed bool
|
succeed bool
|
||||||
exp string
|
exp string
|
||||||
}{
|
}{
|
||||||
{runningVersion: "1.8", succeed: true, exp: d},
|
{benchmarkVersion: "cis-1.4", succeed: true, exp: d},
|
||||||
{runningVersion: "1.9", succeed: true, exp: d},
|
{benchmarkVersion: "cis-1.5", succeed: false, exp: ""},
|
||||||
{runningVersion: "1.10", succeed: true, exp: d},
|
{benchmarkVersion: "1.1", succeed: false, exp: ""},
|
||||||
{runningVersion: "1.1", succeed: false},
|
|
||||||
{specifiedVersion: "1.8", succeed: true, exp: d},
|
|
||||||
{specifiedVersion: "1.9", succeed: false},
|
|
||||||
{specifiedVersion: "1.10", succeed: false},
|
|
||||||
}
|
}
|
||||||
|
|
||||||
for _, c := range cases {
|
for _, c := range cases {
|
||||||
t.Run(c.specifiedVersion+"-"+c.runningVersion, func(t *testing.T) {
|
t.Run(c.benchmarkVersion, func(t *testing.T) {
|
||||||
path, err := getConfigFilePath(c.specifiedVersion, c.runningVersion, "/master.yaml")
|
path, err := getConfigFilePath(c.benchmarkVersion, "/master.yaml")
|
||||||
if err != nil && c.succeed {
|
if c.succeed {
|
||||||
t.Fatalf("Error %v", err)
|
if err != nil {
|
||||||
}
|
t.Fatalf("Error %v", err)
|
||||||
if path != c.exp {
|
}
|
||||||
t.Fatalf("Got %s expected %s", path, c.exp)
|
if path != c.exp {
|
||||||
|
t.Fatalf("Got %s expected %s", path, c.exp)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if err == nil {
|
||||||
|
t.Fatalf("Expected Error, but none")
|
||||||
|
}
|
||||||
}
|
}
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func TestDecrementVersion(t *testing.T) {
|
||||||
|
|
||||||
|
cases := []struct {
|
||||||
|
kubeVersion string
|
||||||
|
succeed bool
|
||||||
|
exp string
|
||||||
|
}{
|
||||||
|
{kubeVersion: "1.13", succeed: true, exp: "1.12"},
|
||||||
|
{kubeVersion: "1.15", succeed: true, exp: "1.14"},
|
||||||
|
{kubeVersion: "1.11", succeed: true, exp: "1.10"},
|
||||||
|
{kubeVersion: "1.1", succeed: true, exp: ""},
|
||||||
|
{kubeVersion: "invalid", succeed: false, exp: ""},
|
||||||
|
}
|
||||||
|
for _, c := range cases {
|
||||||
|
rv := decrementVersion(c.kubeVersion)
|
||||||
|
if c.succeed {
|
||||||
|
if c.exp != rv {
|
||||||
|
t.Fatalf("decrementVersion(%q) - Got %q expected %s", c.kubeVersion, rv, c.exp)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if len(rv) > 0 {
|
||||||
|
t.Fatalf("decrementVersion(%q) - Expected empty string but Got %s", c.kubeVersion, rv)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user