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Code Issues Releases Wiki Activity

Merge pull request #18 from ttousai/issue-17

Browse Source 
Issues #17, #16
pull/24/head
Liz Rice 7 years ago committed by GitHub
parent 6d26814cf6 f589fd58e1
commit a6a784f55f
10 changed files with 529 additions and 351 deletions
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111
cfg/config.yaml
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@ -7,11 +7,106 @@
# nodeControls: ./cfg/node.yaml
# federatedControls: ./cfg/federated.yaml
## Configuration Directories.
# Specifies the directories to look for configuration files
# for the kubernetes components.
#
## Uncomment to use different paths.
# kubeConfDir: /etc/kubernetes
# etcdConfDir: /etc/etcd
# flanneldConfDir: /etc/sysconfig
## Support components
etcd:
bin: etcd
conf: /etc/etcd/etcd.conf
flanneld:
bin: flanneld
conf: /etc/sysconfig/flanneld
# Installation
# Configure kubernetes component binaries and paths to their configuration files.
installation:
default:
config: /etc/kubernetes/config
master:
bin:
apiserver: apiserver
scheduler: scheduler
controller-manager: controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: kubelet
proxy: proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: federation-apiserver
controller-manager: federation-controller-manager
kops:
config: /etc/kubernetes/config
master:
bin:
apiserver: apiserver
scheduler: scheduler
controller-manager: controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: kubelet
proxy: proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: federation-apiserver
controller-manager: federation-controller-manager
hyperkube:
config: /etc/kubernetes/config
master:
bin:
apiserver: hyperkube apiserver
scheduler: hyperkube scheduler
controller-manager: hyperkube controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: hyperkube kubelet
proxy: hyperkube proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: hyperkube federation-apiserver
controller-manager: hyperkube federation-controller-manager
kubeadm:
config: /etc/kubernetes/config
master:
bin:
apiserver: kube-apiserver
scheduler: kube-scheduler
controller-manager: kube-controller-manager
conf:
apiserver: /etc/kubernetes/admin.conf
scheduler: /etc/kubernetes/scheduler.conf
controller-manager: /etc/kubernetes/controller-manager.conf
node:
bin:
kubelet: kubelet
proxy: kube-proxy
conf:
kubelet: /etc/kubernetes/kubelet.conf
proxy: /etc/kubernetes/proxy.conf
federated:
bin:
apiserver: kube-federation-apiserver
controller-manager: kube-federation-controller-manager

40
cfg/federated.yaml
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@ -9,7 +9,7 @@ groups:
checks:
- id: 3.1.1
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -23,7 +23,7 @@ groups:
- id: 3.1.2
text: "Ensure that the --basic-auth-file argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--basic-auth-file"
@ -35,7 +35,7 @@ groups:
- id: 3.1.3
text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
@ -46,7 +46,7 @@ groups:
- id: 3.1.4
text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
@ -57,7 +57,7 @@ groups:
- id: 3.1.5
text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
@ -71,7 +71,7 @@ groups:
- id: 3.1.6
text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -88,7 +88,7 @@ groups:
- id: 3.1.7
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -102,7 +102,7 @@ groups:
- id: 3.1.8
text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -117,7 +117,7 @@ groups:
- id: 3.1.9
text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "admission-control"
@ -131,7 +131,7 @@ groups:
- id: 3.1.10
text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
@ -142,7 +142,7 @@ groups:
- id: 3.1.11
text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
@ -156,7 +156,7 @@ groups:
- id: 3.1.12
text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
@ -170,7 +170,7 @@ groups:
- id: 3.1.13
text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
@ -184,7 +184,7 @@ groups:
- id: 3.1.14
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -198,7 +198,7 @@ groups:
- id: 3.1.15
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--token-auth-file"
@ -210,7 +210,7 @@ groups:
- id: 3.1.16
text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
@ -224,7 +224,7 @@ groups:
- id: 3.1.17
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
@ -235,7 +235,7 @@ groups:
- id: 3.1.18
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
@ -252,7 +252,7 @@ groups:
- id: 3.1.19
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
@ -271,7 +271,7 @@ groups:
checks:
- id: 3.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep federation-controller-manager | grep -v grep"
audit: "ps -ef | grep $fedcontrollermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"

228
cfg/master.yaml
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@ -9,7 +9,7 @@ groups:
checks:
- id: 1.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "allow-privileged"
@ -17,13 +17,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/config file on the master node and set
remediation: "Edit the $apiserverconf file on the master node and set
the KUBE_ALLOW_PRIV parameter to \"--allow-privileged=false\""
scored: true
- id: 1.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -31,37 +31,37 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set
remediation: "Edit the $apiserverconf file on the master node and set
the KUBE_API_ARGS parameter to \"--anonymous-auth=false\""
scored: true
- id: 1.1.3
text: "Ensure that the --basic-auth-file argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--basic-auth-file"
set: false
remediation: "Follow the documentation and configure alternate mechanisms for
authentication. Then, edit the $kubeConfDir/apiserver file on the master
authentication. Then, edit the $apiserverconf file on the master
node and remove the \"--basic-auth-file=<filename>\" argument from the
KUBE_API_ARGS parameter."
scored: true
- id: 1.1.4
text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverconf file on the master node and remove
the --insecure-allow-any-token argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.5
text: "Ensure that the --kubelet-https argument is set to true (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -72,24 +72,24 @@ groups:
set: true
- flag: "--kubelet-https"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverconf file on the master node and remove
the --kubelet-https argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.6
text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverconf file on the master node and remove
the --insecure-bind-address argument from the KUBE_API_ADDRESS parameter."
scored: true
- id: 1.1.7
text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
@ -97,13 +97,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set
remediation: "Edit the $apiserverconf file on the master node and set
--insecure-port=0 in the KUBE_API_PORT parameter."
scored: true
- id: 1.1.8
text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -114,14 +114,14 @@ groups:
set: true
- flag: "--secure-port"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and either
remediation: "Edit the $apiserverconf file on the master node and either
remove the --secure-port argument from the KUBE_API_ARGS parameter or set
it to a different desired port."
scored: true
- id: 1.1.9
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -129,13 +129,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--profiling=false\""
scored: true
- id: 1.1.10
text: "Ensure that the --repair-malformed-updates argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--repair-malformed-updates"
@ -143,13 +143,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--repair-malformed-updates=false\""
scored: true
- id: 1.1.11
text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -157,13 +157,13 @@ groups:
op: nothave
value: AlwaysAdmit
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to a value that does not include AlwaysAdmit"
scored: true
- id: 1.1.12
text: "Ensure that the admission control policy is set to AlwaysPullImages (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -171,13 +171,13 @@ groups:
op: has
value: "AlwaysPullImages"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,AlwaysPullImages,...\""
scored: true
- id: 1.1.13
text: "Ensure that the admission control policy is set to DenyEscalatingExec (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -185,13 +185,13 @@ groups:
op: has
value: "DenyEscalatingExec"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,DenyEscalatingExec,...\""
scored: true
- id: 1.1.14
text: "Ensure that the admission control policy is set to SecurityContextDeny (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -199,13 +199,13 @@ groups:
op: has
value: "SecurityContextDeny"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,SecurityContextDeny,...\""
scored: true
- id: 1.1.15
text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "admission-control"
@ -213,24 +213,24 @@ groups:
op: has
value: "NamespaceLifecycle"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=NamespaceLifecycle,...\""
scored: true
- id: 1.1.16
text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-path=<filename>\""
scored: true
- id: 1.1.17
text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
@ -238,13 +238,13 @@ groups:
op: gte
value: 30
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxage=30\""
scored: true
- id: 1.1.18
text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
@ -252,13 +252,13 @@ groups:
op: gte
value: 10
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxbackup=10\""
scored: true
- id: 1.1.19
text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
@ -266,13 +266,13 @@ groups:
op: gte
value: 100
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxsize=100\""
scored: true
- id: 1.1.20
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -280,38 +280,38 @@ groups:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to values other than \"--authorization-mode=AlwaysAllow\""
scored: true
- id: 1.1.21
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--token-auth-file"
set: false
remediation: "Follow the documentation and configure alternate mechanisms for authentication.
Then, edit the $kubeConfDir/apiserver file on the master node and remove the
Then, edit the $apiserverconf file on the master node and remove the
\"--tokenauth-file=<filename>\" argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.22
text: "Ensure that the --kubelet-certificate-authority argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--kubelet-certificate-authority"
set: true
remediation: "Follow the Kubernetes documentation and setup the TLS connection between
the apiserver and kubelets. Then, edit the $kubeConfDir/apiserver file on the
the apiserver and kubelets. Then, edit the $apiserverconf file on the
master node and set the KUBE_API_ARGS parameter to
\"--kubelet-certificate-authority=<ca-string>\""
scored: true
- id: 1.1.23
text: "Ensure that the --kubelet-client-certificate and --kubelet-clientkey arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
@ -320,14 +320,14 @@ groups:
- flag: "--kubelet-client-key"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and kubelets. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and kubelets. Then, edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to \"--kubelet-clientcertificate=<path/to/client-certificate-file>\"
and \"--kubelet-clientkey=<path/to/client-key-file>\""
scored: true
- id: 1.1.24
text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
@ -335,13 +335,13 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter
remediation: "Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS parameter
to \"--service-account-lookup=true\""
scored: true
- id: 1.1.25
text: "Ensure that the admission control policy is set to PodSecurityPolicy (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -350,24 +350,24 @@ groups:
value: "PodSecurityPolicy"
set: true
remediation: "Follow the documentation and create Pod Security Policy objects as per your environment.
Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL
Then, edit the $apiserverconf file on the master node and set the KUBE_ADMISSION_CONTROL
parameter to \"--admission-control=...,PodSecurityPolicy,...\""
scored: true
- id: 1.1.26
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS
remediation: "Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS
parameter to \"--service-account-key-file=<filename>\""
scored: true
- id: 1.1.27
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
@ -376,14 +376,14 @@ groups:
- flag: "--etcd-keyfile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and etcd. Then, edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to include \"--etcd-certfile=<path/to/clientcertificate-file>\"
and \"--etcd-keyfile=<path/to/client-key-file>\""
scored: true
- id: 1.1.28
text: "Ensure that the admission control policy is set to ServiceAccount (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -392,13 +392,13 @@ groups:
value: "ServiceAccount"
set: true
remediation: "Follow the documentation and create ServiceAccount objects as per your environment.
Then, edit the $kubeConfDir/apiserver file on the master node and set the
Then, edit the $apiserverconf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admissioncontrol=...,ServiceAccount,...\""
scored: true
- id: 1.1.29
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
@ -407,32 +407,32 @@ groups:
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver.
Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to
Then, edit the $apiserverconf file on the master node and set the KUBE_API_ARGS parameter to
include \"--tls-cert-file=<path/to/tls-certificatefile>\" and
\"--tls-private-key-file=<path/to/tls-key-file>\""
scored: true
- id: 1.1.30
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--client-ca-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver.
Then, edit the $kubeConfDir/apiserver file on the master node and set the
Then, edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to include \"--client-ca-file=<path/to/client-ca-file>\""
scored: true
- id: 1.1.31
text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--etcd-cafile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and etcd. Then, edit the $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to include \"--etcd-cafile=<path/to/ca-file>\""
scored: true
@ -441,7 +441,7 @@ groups:
checks:
- id: 1.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-scheduler | grep -v grep"
audit: "ps -ef | grep $schedulerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -449,7 +449,7 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/scheduler file on the master node and set the KUBE_SCHEDULER_ARGS
remediation: "Edit the $schedulerconf file on the master node and set the KUBE_SCHEDULER_ARGS
parameter to \"--profiling=false\""
scored: true
@ -458,18 +458,18 @@ groups:
checks:
- id: 1.3.1
text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--terminated-pod-gc-threshold"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllermanagerconf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--terminated-pod-gcthreshold=<appropriate-number>\""
scored: true
- id: 1.3.2
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -477,25 +477,25 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllermanagerconf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--profiling=false\""
scored: true
- id: 1.3.3
text: "Ensure that the --insecure-experimental-approve-all-kubelet-csrs-for-group argument is not set (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-experimental-approve-all-kubelet-csrs-for-group"
set: false
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and remove
remediation: "Edit the $controllermanagerconf file on the master node and remove
the -insecure-experimental-approve-all-kubelet-csrs-for-group argument from the
KUBE_CONTROLLER_MANAGER_ARGS parameter"
scored: true
- id: 1.3.4
text: "Ensure that the --use-service-account-credentials argument is set"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--use-service-account-credentials"
@ -503,29 +503,29 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllermanagerconf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to --use-service-account-credentials=true"
scored: true
- id: 1.3.5
text: "Ensure that the --service-account-private-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-private-key-file"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllermanagerconf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to --service-account-private-keyfile=<filename>"
scored: true
- id: 1.3.6
text: "Ensure that the --root-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--root-ca-file"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllermanagerconf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to include --root-ca-file=<file>"
scored: true
@ -534,126 +534,124 @@ groups:
checks:
- id: 1.4.1
text: "Ensure that the apiserver file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/apiserver; then stat -c %a $kubeConfDir/apiserver; fi"
audit: "if test -e $apiserverconf; then stat -c %a $apiserverconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/apiserver"
\nFor example, chmod 644 $apiserverconf"
scored: true
- id: 1.4.2
text: "Ensure that the apiserver file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/apiserver; then stat -c %U:%G $kubeConfDir/apiserver; fi"
audit: "if test -e $apiserverconf; then stat -c %U:%G $apiserverconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/apiserver"
\nFor example, chown root:root $apiserverconf"
scored: true
- id: 1.4.3
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %a $kubeConfDir/config; fi"
audit: "if test -e $config; then stat -c %a $config; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/config"
\nFor example, chmod 644 $config"
scored: true
- id: 1.4.4
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %U:%G $kubeConfDir/config; fi"
audit: "if test -e $config; then stat -c %U:%G $config; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/config"
\nFor example, chown root:root $config"
scored: true
- id: 1.4.5
text: "Ensure that the scheduler file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/scheduler; then stat -c %a $kubeConfDir/scheduler; fi"
audit: "if test -e $schedulerconf; then stat -c %a $schedulerconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/scheduler"
\nFor example, chmod 644 $schedulerconf"
scored: true
- id: 1.4.6
text: "Ensure that the scheduler file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/scheduler; then stat -c %U:%G $kubeConfDir/scheduler; fi"
audit: "if test -e $schedulerconf; then stat -c %U:%G $schedulerconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/scheduler"
\nFor example, chown root:root $schedulerconf"
scored: true
- id: 1.4.7
text: "Ensure that the etcd.conf file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $etcdConfDir/etcd.conf; then stat -c %a $etcdConfDir/etcd.conf; fi"
audit: "if test -e $etcdconf; then stat -c %a $etcdconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $etcdConfDir/etcd.conf"
\nFor example, chmod 644 $etcdconf"
scored: true
- id: 1.4.8
text: "Ensure that the etcd.conf file ownership is set to root:root (Scored)"
audit: "if test -e $etcdConfDir/etcd.conf; then stat -c %U:%G $etcdConfDir/etcd.conf; fi"
audit: "if test -e $etcdconf; then stat -c %U:%G $etcdconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $etcdConfDir/etcd.conf"
\nFor example, chown root:root $etcdconf"
scored: true
- id: 1.4.9
text: "Ensure that the flanneld file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e /etc/sysconfig/flanneld; then stat -c %a /etc/sysconfig/flanneld; fi"
audit: "if test -e $flanneldconf; then stat -c %a $flanneldconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 /etc/sysconfig/flanneld"
\nFor example, chmod 644 $flanneldconf"
scored: true
- id: 1.4.10
text: "Ensure that the flanneld file ownership is set to root:root (Scored)"
audit: "if test -e /etc/sysconfig/flanneld; then stat -c %U:%G /etc/sysconfig/flanneld; fi"
audit: "if test -e $flanneldconf; then stat -c %U:%G $flanneldconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root /etc/sysconfig/flanneld"
\nFor example, chown root:root $flanneldconf"
scored: true
- id: 1.4.11
text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive (Scored)"
# audit: ps -ef | grep etcd | grep -v grep | sed 's,.*--data-dir=\(.*\)\s*.*,\1,' | xargs stat -c %a
audit: "ps -ef | grep etcd | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
# audit: xargs stat -c %a /etc/etcd
audit: "ps -ef | grep $etcdbin | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
tests:
test_items:
- flag: "700"
set: true
remediation: "On the etcd server node, get the etcd data directory, passed as an argument --data-dir ,
from the below command:\n
ps -ef | grep etcd\n
ps -ef | grep $etcdbin\n
Run the below command (based on the etcd data directory found above). For example,\n
chmod 700 /var/lib/etcd/default.etcd"
scored: true
@ -663,7 +661,7 @@ groups:
checks:
- id: 1.5.1
text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--cert-file"
@ -675,7 +673,7 @@ groups:
- id: 1.5.2
text: "Ensure that the --client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--client-cert-auth"
@ -683,7 +681,7 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the etcd envrironment file (for example, $etcdConfDir/etcd.conf) on the
remediation: "Edit the etcd envrironment file (for example, $etcdconf) on the
etcd server node and set the ETCD_CLIENT_CERT_AUTH parameter to \"true\".
Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service)
and configure the startup parameter for --clientcert-auth and set it to \"${ETCD_CLIENT_CERT_AUTH}\""
@ -691,7 +689,7 @@ groups:
- id: 1.5.3
text: "Ensure that the --auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -701,7 +699,7 @@ groups:
compare:
op: neq
value: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server
remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server
node and comment out the ETCD_AUTO_TLS parameter. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and remove the startup parameter
for --auto-tls."
@ -709,7 +707,7 @@ groups:
- id: 1.5.4
text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-cert-file"
@ -724,7 +722,7 @@ groups:
- id: 1.5.5
text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-client-cert-auth"
@ -734,7 +732,7 @@ groups:
set: true
remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only
one etcd server in your environment then this recommendation is not applicable.
Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
Edit the etcd environment file (for example, $etcdconf) on the etcd server node
and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file
(for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the
startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\""
@ -742,7 +740,7 @@ groups:
- id: 1.5.6
text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -755,7 +753,7 @@ groups:
set: true
remediation: "Note: This recommendation is applicable only for etcd clusters.
If you are using only one etcd server in your environment then this recommendation is
not applicable. Edit the etcd environment file (for example, $etcdConfDir/etcd.conf)
not applicable. Edit the etcd environment file (for example, $etcdconf)
on the etcd server node and comment out the ETCD_PEER_AUTO_TLS parameter.
Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service)
and remove the startup parameter for --peer-auto-tls."
@ -763,12 +761,12 @@ groups:
- id: 1.5.7
text: "Ensure that the --wal-dir argument is set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--wal-dir"
set: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server node
and set the ETCD_WAL_DIR parameter as appropriate. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for
--wal-dir and set it to \"${ETCD_WAL_DIR}\""
@ -776,7 +774,7 @@ groups:
- id: 1.5.8
text: "Ensure that the --max-wals argument is set to 0 (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--max-wals"
@ -784,7 +782,7 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server node
and set the ETCD_MAX_WALS parameter to 0. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter
for --max-wals and set it to \"${ETCD_MAX_WALS}\"."
@ -792,7 +790,7 @@ groups:
- id: 1.5.9
text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--trusted-ca-file"

76
cfg/node.yaml
Unescape View File

@ -9,7 +9,7 @@ groups:
checks:
- id: 2.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--allow-privileged"
@ -17,13 +17,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/config file on each node and set the KUBE_ALLOW_PRIV
remediation: "Edit the $config file on each node and set the KUBE_ALLOW_PRIV
parameter to \"--allow-privileged=false\""
scored: true
- id: 2.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -31,13 +31,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/kubelet file on the master node and set the
remediation: "Edit the $kubeletconf file on the master node and set the
KUBELET_ARGS parameter to \"--anonymous-auth=false\""
scored: true
- id: 2.1.3
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -45,25 +45,25 @@ groups:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the
remediation: "Edit the $kubeletconf file on each node and set the
KUBELET_ARGS parameter to \"--authorization-mode=Webhook\""
scored: true
- id: 2.1.4
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--client-ca-file"
set: true
remediation: "Follow the Kubernetes documentation and setup the TLS connection between
the apiserver and kubelets. Then, edit the $kubeConfDir/kubelet file on each node
the apiserver and kubelets. Then, edit the $kubeletconf file on each node
and set the KUBELET_ARGS parameter to \"--client-ca-file=<path/to/client-ca-file>\""
scored: true
- id: 2.1.5
text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--read-only-port"
@ -71,13 +71,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS
parameter to \"--read-only-port=0\""
scored: true
- id: 2.1.6
text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--streaming-connection-idle-timeout"
@ -85,13 +85,13 @@ groups:
op: gt
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS
parameter to \"--streaming-connection-idle-timeout=<appropriate-timeout-value>\""
scored: true
- id: 2.1.7
text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--protect-kernel-defaults"
@ -99,13 +99,13 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS
parameter to \"--protect-kernel-defaults=true\""
scored: true
- id: 2.1.8
text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -116,13 +116,13 @@ groups:
set: true
- flag: "--make-iptables-util-chains"
set: false
remediation: "Edit the $kubeConfDir/kubelet file on each node and remove the
remediation: "Edit the $kubeletconf file on each node and remove the
--make-iptables-util-chains argument from the KUBELET_ARGS parameter."
scored: true
- id: 2.1.9
text: "Ensure that the --keep-terminated-pod-volumes argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--keep-terminated-pod-volumes"
@ -130,24 +130,24 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS
parameter to \"--keep-terminated-pod-volumes=false\""
scored: true
- id: 2.1.10
text: "Ensure that the --hostname-override argument is not set (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--hostname-override"
set: false
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_HOSTNAME
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_HOSTNAME
parameter to \"\""
scored: true
- id: 2.1.11
text: "Ensure that the --event-qps argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--event-qps"
@ -155,13 +155,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS
parameter to \"--event-qps=0\""
scored: true
- id: 2.1.12
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--tls-cert-file"
@ -169,14 +169,14 @@ groups:
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the Kubelet.
Then, edit the $kubeConfDir/kubelet file on the master node and set the KUBELET_ARGS
Then, edit the $kubeletconf file on the master node and set the KUBELET_ARGS
parameter to include \"--tls-cert-file=<path/to/tls-certificate-file>\" and
\"--tls-private-key-file=<path/to/tls-key-file>\""
scored: true
- id: 2.1.13
text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--cadvisor-port"
@ -184,7 +184,7 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS parameter
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS parameter
to \"--cadvisor-port=0\""
scored: true
@ -193,66 +193,66 @@ groups:
checks:
- id: 2.2.1
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %a $kubeConfDir/config; fi"
audit: "if test -e $config; then stat -c %a $config; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/config"
\nFor example, chmod 644 $config"
scored: true
- id: 2.2.2
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %U:%G $kubeConfDir/config; fi"
audit: "if test -e $config; then stat -c %U:%G $config; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/config"
\nFor example, chown root:root $config"
scored: true
- id: 2.2.3
text: "Ensure that the kubelet file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/kubelet; then stat -c %a $kubeConfDir/kubelet; fi"
audit: "if test -e $kubeletconf; then stat -c %a $kubeletconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/kubelet"
\nFor example, chmod 644 $kubeletconf"
scored: true
- id: 2.2.4
text: "Ensure that the kubelet file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/kubelet; then stat -c %U:%G $kubeConfDir/kubelet; fi"
audit: "if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/kubelet"
\nFor example, chown root:root $kubeletconf"
scored: true
- id: 2.2.5
text: "Ensure that the proxy file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/proxy; then stat -c %a $kubeConfDir/proxy; fi"
audit: "if test -e $proxyconf; then stat -c %a $proxyconf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/proxy"
\nFor example, chmod 644 $proxyconf"
scored: true
- id: 2.2.6
text: "Ensure that the proxy file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/proxy; then stat -c %U:%G $kubeConfDir/proxy; fi"
audit: "if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/proxy"
\nFor example, chown root:root $proxyconf"
scored: true

48
check/check.go
Unescape View File

@ -47,6 +47,13 @@ const (
FEDERATED NodeType = "federated"
)
func handleError(err error, context string) (errmsg string) {
if err != nil {
errmsg = fmt.Sprintf("%s, error: %s\n", context, err)
}
return
}
// Check contains information about a recommendation in the
// CIS Kubernetes 1.6+ document.
type Check struct {
@ -62,8 +69,9 @@ type Check struct {
// Run executes the audit commands specified in a check and outputs
// the results.
func (c *Check) Run() {
func (c *Check) Run(verbose bool) {
var out bytes.Buffer
var errmsgs string
// Check if command exists or exit with WARN.
for _, cmd := range c.Commands {
@ -88,18 +96,22 @@ func (c *Check) Run() {
cs := c.Commands
// Initialize command pipeline
cs[0].Stderr = os.Stderr
cs[n-1].Stdout = &out
i := 1
var err error
errmsgs = ""
for i < n {
cs[i-1].Stdout, err = cs[i].StdinPipe()
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %s\n", cs[i].Args, err)
}
errmsgs += handleError(
err,
fmt.Sprintf("failed to run: %s\nfailed command: %s",
c.Audit,
cs[i].Args,
),
)
cs[i].Stderr = os.Stderr
i++
}
@ -107,9 +119,13 @@ func (c *Check) Run() {
i = 0
for i < n {
err := cs[i].Start()
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %s\n", cs[i].Args, err)
}
errmsgs += handleError(
err,
fmt.Sprintf("failed to run: %s\nfailed command: %s",
c.Audit,
cs[i].Args,
),
)
i++
}
@ -117,9 +133,13 @@ func (c *Check) Run() {
i = 0
for i < n {
err := cs[i].Wait()
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %s\n", cs[i].Args, err)
}
errmsgs += handleError(
err,
fmt.Sprintf("failed to run: %s\nfailed command:%s",
c.Audit,
cs[i].Args,
),
)
if i < n-1 {
cs[i].Stdout.(io.Closer).Close()
@ -128,6 +148,10 @@ func (c *Check) Run() {
i++
}
if verbose && errmsgs != "" {
fmt.Fprintf(os.Stderr, "%s\n", errmsgs)
}
res := c.Tests.execute(out.String())
if res {
c.State = PASS

8
check/controls.go
Unescape View File

@ -68,7 +68,7 @@ func NewControls(t NodeType, in []byte) (*Controls, error) {
}
// RunGroup runs all checks in a group.
func (controls *Controls) RunGroup(gids ...string) Summary {
func (controls *Controls) RunGroup(verbose bool, gids ...string) Summary {
g := []*Group{}
controls.Summary.Pass, controls.Summary.Fail, controls.Summary.Warn = 0, 0, 0
@ -82,7 +82,7 @@ func (controls *Controls) RunGroup(gids ...string) Summary {
for _, gid := range gids {
if gid == group.ID {
for _, check := range group.Checks {
check.Run()
check.Run(verbose)
summarize(controls, check)
}
@ -96,7 +96,7 @@ func (controls *Controls) RunGroup(gids ...string) Summary {
}
// RunChecks runs the checks with the supplied IDs.
func (controls *Controls) RunChecks(ids ...string) Summary {
func (controls *Controls) RunChecks(verbose bool, ids ...string) Summary {
g := []*Group{}
m := make(map[string]*Group)
controls.Summary.Pass, controls.Summary.Fail, controls.Summary.Warn = 0, 0, 0
@ -110,7 +110,7 @@ func (controls *Controls) RunChecks(ids ...string) Summary {
for _, check := range group.Checks {
for _, id := range ids {
if id == check.ID {
check.Run()
check.Run(verbose)
summarize(controls, check)
// Check if we have already added this checks group.

224
cmd/common.go
Unescape View File

@ -18,43 +18,66 @@ import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
"github.com/aquasecurity/kube-bench/check"
"github.com/fatih/color"
"github.com/spf13/viper"
)
var (
kubeMasterBin = []string{"kube-apiserver", "kube-scheduler", "kube-controller-manager"}
xMasterBin = []string{"etcd", "flanneld"}
kubeMasterConf = []string{}
kubeNodeBin = []string{"kubelet"}
kubeNodeConf = []string{}
kubeFederatedBin = []string{"federation-apiserver", "federation-controller-manager"}
apiserverBin string
apiserverConf string
schedulerBin string
schedulerConf string
controllerManagerBin string
controllerManagerConf string
config string
etcdBin string
etcdConf string
flanneldBin string
flanneldConf string
kubeletBin string
kubeletConf string
proxyBin string
proxyConf string
fedApiserverBin string
fedControllerManagerBin string
errmsgs string
// TODO: Consider specifying this in config file.
kubeVersion = "1.6"
// Used for variable substitution
symbols = map[string]string{}
// Print colors
colors = map[check.State]*color.Color{
check.PASS: color.New(color.FgGreen),
check.FAIL: color.New(color.FgRed),
check.WARN: color.New(color.FgYellow),
check.INFO: color.New(color.FgBlue),
}
)
func runChecks(t check.NodeType) {
var summary check.Summary
var file string
// Master variables
apiserverBin = viper.GetString("installation." + installation + ".master.bin.apiserver")
apiserverConf = viper.GetString("installation." + installation + ".master.conf.apiserver")
schedulerBin = viper.GetString("installation." + installation + ".master.bin.scheduler")
schedulerConf = viper.GetString("installation." + installation + ".master.conf.scheduler")
controllerManagerBin = viper.GetString("installation." + installation + ".master.bin.controller-manager")
controllerManagerConf = viper.GetString("installation." + installation + ".master.conf.controler-manager")
config = viper.GetString("installation." + installation + ".config")
etcdBin = viper.GetString("etcd.bin")
etcdConf = viper.GetString("etcd.conf")
flanneldBin = viper.GetString("flanneld.bin")
flanneldConf = viper.GetString("flanneld.conf")
// Node variables
kubeletBin = viper.GetString("installation." + installation + ".node.bin.kubelet")
kubeletConf = viper.GetString("installation." + installation + ".node.conf.kubelet")
proxyBin = viper.GetString("installation." + installation + ".node.bin.proxy")
proxyConf = viper.GetString("installation." + installation + ".node.conf.proxy")
// Federated
fedApiserverBin = viper.GetString("installation." + installation + ".federated.bin.apiserver")
fedControllerManagerBin = viper.GetString("installation." + installation + ".federated.bin.controller-manager")
// Run kubernetes installation validation checks.
warns := verifyNodeType(t)
switch t {
@ -72,10 +95,28 @@ func runChecks(t check.NodeType) {
os.Exit(1)
}
// Variable substitutions. Replace all occurrences of variables in controls file.
s := strings.Replace(string(in), "$kubeConfDir", viper.Get("kubeConfDir").(string), -1)
s = strings.Replace(s, "$etcdConfDir", viper.Get("etcdConfDir").(string), -1)
s = strings.Replace(s, "$flanneldConfDir", viper.Get("flanneldConfDir").(string), -1)
// Variable substitutions. Replace all occurrences of variables in controls files.
s := strings.Replace(string(in), "$apiserverbin", apiserverBin, -1)
s = strings.Replace(s, "$apiserverconf", apiserverConf, -1)
s = strings.Replace(s, "$schedulerbin", schedulerBin, -1)
s = strings.Replace(s, "$schedulerconf", schedulerConf, -1)
s = strings.Replace(s, "$controllermanagerbin", controllerManagerBin, -1)
s = strings.Replace(s, "$controllermanagerconf", controllerManagerConf, -1)
s = strings.Replace(s, "$controllermanagerconf", controllerManagerConf, -1)
s = strings.Replace(s, "$config", config, -1)
s = strings.Replace(s, "$etcdbin", etcdBin, -1)
s = strings.Replace(s, "$etcdconf", etcdConf, -1)
s = strings.Replace(s, "$flanneldbin", flanneldBin, -1)
s = strings.Replace(s, "$flanneldconf", flanneldConf, -1)
s = strings.Replace(s, "$kubeletbin", kubeletBin, -1)
s = strings.Replace(s, "$kubeletconf", kubeletConf, -1)
s = strings.Replace(s, "$proxybin", proxyBin, -1)
s = strings.Replace(s, "$proxyconf", proxyConf, -1)
s = strings.Replace(s, "$fedapiserverbin", fedApiserverBin, -1)
s = strings.Replace(s, "$fedcontrollermanagerbin", fedControllerManagerBin, -1)
controls, err := check.NewControls(t, []byte(s))
if err != nil {
@ -85,18 +126,15 @@ func runChecks(t check.NodeType) {
if groupList != "" && checkList == "" {
ids := cleanIDs(groupList)
summary = controls.RunGroup(ids...)
summary = controls.RunGroup(verbose, ids...)
} else if checkList != "" && groupList == "" {
ids := cleanIDs(checkList)
summary = controls.RunChecks(ids...)
summary = controls.RunChecks(verbose, ids...)
} else if checkList != "" && groupList != "" {
fmt.Fprintf(os.Stderr, "group option and check option can't be used together\n")
os.Exit(1)
} else {
summary = controls.RunGroup()
summary = controls.RunGroup(verbose)
}
// if we successfully ran some tests and it's json format, ignore the warnings
@ -113,50 +151,29 @@ func runChecks(t check.NodeType) {
}
}
func cleanIDs(list string) []string {
list = strings.Trim(list, ",")
ids := strings.Split(list, ",")
for _, id := range ids {
id = strings.Trim(id, " ")
}
return ids
}
// verifyNodeType checks the executables and config files are as expected
// for the specified tests (master, node or federated).
// Any check failing here is a show stopper.
func verifyNodeType(t check.NodeType) []string {
var w []string
// Set up and check for config files.
kubeConfDir = viper.Get("kubeConfDir").(string)
etcdConfDir = viper.Get("etcdConfDir").(string)
flanneldConfDir = viper.Get("flanneldConfDir").(string)
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/apiserver")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/scheduler")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/controller-manager")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/config")
kubeMasterConf = append(kubeMasterConf, etcdConfDir+"/etcd.conf")
kubeMasterConf = append(kubeMasterConf, flanneldConfDir+"/flanneld")
kubeNodeConf = append(kubeNodeConf, kubeConfDir+"/kubelet")
kubeNodeConf = append(kubeNodeConf, kubeConfDir+"/proxy")
w = append(w, verifyKubeVersion(kubeMasterBin)...)
// Always clear out error messages.
errmsgs = ""
switch t {
case check.MASTER:
w = append(w, verifyBin(kubeMasterBin)...)
w = append(w, verifyBin(xMasterBin)...)
w = append(w, verifyConf(kubeMasterConf)...)
w = append(w, verifyBin(apiserverBin, schedulerBin, controllerManagerBin)...)
w = append(w, verifyConf(apiserverConf, schedulerConf, controllerManagerConf)...)
w = append(w, verifyKubeVersion(apiserverBin)...)
case check.NODE:
w = append(w, verifyBin(kubeNodeBin)...)
w = append(w, verifyConf(kubeNodeConf)...)
w = append(w, verifyBin(kubeletBin, proxyBin)...)
w = append(w, verifyConf(kubeletConf, proxyConf)...)
w = append(w, verifyKubeVersion(kubeletBin)...)
case check.FEDERATED:
w = append(w, verifyBin(kubeFederatedBin)...)
w = append(w, verifyBin(fedApiserverBin, fedControllerManagerBin)...)
w = append(w, verifyKubeVersion(fedApiserverBin)...)
}
if verbose {
fmt.Fprintf(os.Stderr, "%s\n", errmsgs)
}
return w
@ -214,78 +231,3 @@ func prettyPrint(warnings []string, r *check.Controls, summary check.Summary) {
summary.Pass, summary.Fail, summary.Warn,
)
}
func verifyConf(confPath []string) []string {
var w []string
for _, c := range confPath {
if _, err := os.Stat(c); err != nil && os.IsNotExist(err) {
w = append(w, fmt.Sprintf("config file %s does not exist\n", c))
}
}
return w
}
func verifyBin(binPath []string) []string {
var w []string
var binList string
// Construct proc name for ps(1)
for _, b := range binPath {
binList += b + ","
}
binList = strings.Trim(binList, ",")
// Run ps command
cmd := exec.Command("ps", "-C", binList, "-o", "cmd", "--no-headers")
cmd.Stderr = os.Stderr
out, err := cmd.Output()
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %s\n", cmd.Args, err)
}
// Actual verification
for _, b := range binPath {
matched := strings.Contains(string(out), b)
if !matched {
w = append(w, fmt.Sprintf("%s is not running\n", b))
}
}
return w
}
func verifyKubeVersion(binPath []string) []string {
// These executables might not be on the user's path.
// TODO! Check the version number using kubectl, which is more likely to be on the path.
var w []string
for _, b := range binPath {
_, err := exec.LookPath(b)
if err != nil {
w = append(w, fmt.Sprintf("%s: command not found on path - version check skipped\n", b))
continue
}
// Check version
cmd := exec.Command(b, "--version")
cmd.Stderr = os.Stderr
out, err := cmd.Output()
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %s\n", cmd.Args, err)
}
matched := strings.Contains(string(out), kubeVersion)
if !matched {
w = append(w, fmt.Sprintf(
"%s unsupported version, expected %s, got %s\n",
b,
kubeVersion,
string(out),
))
}
}
return w
}

28
cmd/root.go
Unescape View File

@ -37,6 +37,9 @@ var (
kubeConfDir string
etcdConfDir string
flanneldConfDir string
verbose bool
installation string
)
// RootCmd represents the base command when called without any subcommands
@ -59,19 +62,28 @@ func init() {
cobra.OnInitialize(initConfig)
RootCmd.PersistentFlags().BoolVar(&jsonFmt, "json", false, "Prints the results as JSON")
RootCmd.PersistentFlags().StringVarP(&checkList,
RootCmd.PersistentFlags().StringVar(
&installation,
"installation",
"default",
"Specify how kubernetes cluster was installed. Possible values are default,hyperkube,kops,kubeadm",
)
RootCmd.PersistentFlags().StringVarP(
&checkList,
"check",
"c",
"",
`A comma-delimited list of checks to run as specified in CIS document. Example --check="1.1.1,1.1.2"`,
)
RootCmd.PersistentFlags().StringVarP(&groupList,
RootCmd.PersistentFlags().StringVarP(
&groupList,
"group",
"g",
"",
`Run all the checks under this comma-delimited list of groups. Example --group="1.1"`,
)
RootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./cfg/config.yaml)")
RootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose output (default false)")
}
// initConfig reads in config file and ENV variables if set.
@ -83,21 +95,13 @@ func initConfig() {
viper.AddConfigPath(cfgDir) // adding ./cfg as first search path
}
viper.SetEnvPrefix("CISK8S")
viper.SetEnvPrefix("KUBE_BENCH")
viper.AutomaticEnv() // read in environment variables that match
// Set defaults
viper.SetDefault("kubeConfDir", "/etc/kubernetes")
viper.SetDefault("etcdConfDir", "/etc/etcd")
viper.SetDefault("flanneldConfDir", "/etc/sysconfig")
viper.SetDefault("masterFile", cfgDir+"/master.yaml")
viper.SetDefault("nodeFile", cfgDir+"/node.yaml")
viper.SetDefault("federatedFile", cfgDir+"/federated.yaml")
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err != nil {
colorPrint(check.FAIL, fmt.Sprintf("Failed to read config file: %v\n", err))
os.Exit(1)
}
}

113
cmd/util.go
Unescape View File

@ -0,0 +1,113 @@
package cmd
import (
"fmt"
"os"
"os/exec"
"strings"
"github.com/aquasecurity/kube-bench/check"
"github.com/fatih/color"
)
var (
// Print colors
colors = map[check.State]*color.Color{
check.PASS: color.New(color.FgGreen),
check.FAIL: color.New(color.FgRed),
check.WARN: color.New(color.FgYellow),
check.INFO: color.New(color.FgBlue),
}
)
func handleError(err error, context string) (errmsg string) {
if err != nil {
errmsg = fmt.Sprintf("%s, error: %s\n", context, err)
}
return
}
func cleanIDs(list string) []string {
list = strings.Trim(list, ",")
ids := strings.Split(list, ",")
for _, id := range ids {
id = strings.Trim(id, " ")
}
return ids
}
func verifyConf(confPath ...string) []string {
var w []string
for _, c := range confPath {
if _, err := os.Stat(c); err != nil && os.IsNotExist(err) {
w = append(w, fmt.Sprintf("config file %s does not exist\n", c))
}
}
return w
}
func verifyBin(binPath ...string) []string {
var w []string
var binList string
// Construct proc name for ps(1)
for _, b := range binPath {
binList += b + ","
_, err := exec.LookPath(b)
errmsgs += handleError(
err,
fmt.Sprintf("%s: command not found in path", b),
)
}
binList = strings.Trim(binList, ",")
// Run ps command
cmd := exec.Command("ps", "-C", binList, "-o", "cmd", "--no-headers")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("failed to run: %s", cmd.Args),
)
// Actual verification
for _, b := range binPath {
matched := strings.Contains(string(out), b)
if !matched {
w = append(w, fmt.Sprintf("%s is not running\n", b))
}
}
return w
}
func verifyKubeVersion(b string) []string {
// These executables might not be on the user's path.
// TODO! Check the version number using kubectl, which is more likely to be on the path.
var w []string
_, err := exec.LookPath(b)
errmsgs += handleError(
err,
fmt.Sprintf("%s: command not found on path - version check skipped", b),
)
// Check version
cmd := exec.Command(b, "--version")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("failed to run:%s", cmd.Args),
)
matched := strings.Contains(string(out), kubeVersion)
if !matched {
w = append(w, fmt.Sprintf("%s unsupported version\n", b))
}
return w
}

4
main.go
Unescape View File

@ -14,7 +14,9 @@
package main
import "github.com/aquasecurity/kube-bench/cmd"
import (
"github.com/aquasecurity/kube-bench/cmd"
)
func main() {
cmd.Execute()

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