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Merge branch 'master' into add-new-cfg-version1.4

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yoavrotems 2019-03-06 11:16:36 +00:00 committed by GitHub
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82
cfg/1.11/node.yaml
View File

@ -10,7 +10,7 @@ groups:
checks:
- id: 2.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--allow-privileged"
@ -19,7 +19,7 @@ groups:
value: false
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--allow-privileged=false
Based on your system, restart the kubelet service. For example:
@ -29,7 +29,7 @@ groups:
- id: 2.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--anonymous-auth"
@ -41,7 +41,7 @@ groups:
If using a Kubelet config file, edit the file to set authentication: anonymous: enabled to
false .
If using executable arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--anonymous-auth=false
Based on your system, restart the kubelet service. For example:
@ -51,7 +51,7 @@ groups:
- id: 2.1.3
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--authorization-mode"
@ -62,7 +62,7 @@ groups:
remediation: |
If using a Kubelet config file, edit the file to set authorization: mode to Webhook.
If using executable arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
--authorization-mode=Webhook
Based on your system, restart the kubelet service. For example:
@ -72,7 +72,7 @@ groups:
- id: 2.1.4
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--client-ca-file"
@ -81,7 +81,7 @@ groups:
If using a Kubelet config file, edit the file to set authentication: x509: clientCAFile to
the location of the client CA file.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
--client-ca-file=<path/to/client-ca-file>
Based on your system, restart the kubelet service. For example:
@ -91,7 +91,7 @@ groups:
- id: 2.1.5
text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--read-only-port"
@ -102,7 +102,7 @@ groups:
remediation: |
If using a Kubelet config file, edit the file to set readOnlyPort to 0 .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--read-only-port=0
Based on your system, restart the kubelet service. For example:
@ -112,7 +112,7 @@ groups:
- id: 2.1.6
text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--streaming-connection-idle-timeout"
@ -124,7 +124,7 @@ groups:
If using a Kubelet config file, edit the file to set streamingConnectionIdleTimeout to a
value other than 0.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--streaming-connection-idle-timeout=5m
Based on your system, restart the kubelet service. For example:
@ -134,7 +134,7 @@ groups:
- id: 2.1.7
text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--protect-kernel-defaults"
@ -145,7 +145,7 @@ groups:
remediation: |
If using a Kubelet config file, edit the file to set protectKernelDefaults: true .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--protect-kernel-defaults=true
Based on your system, restart the kubelet service. For example:
@ -155,7 +155,7 @@ groups:
- id: 2.1.8
text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
bin_op: or
test_items:
@ -169,7 +169,7 @@ groups:
remediation: |
If using a Kubelet config file, edit the file to set makeIPTablesUtilChains: true .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
remove the --make-iptables-util-chains argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
@ -179,13 +179,13 @@ groups:
- id: 2.1.9
text: "Ensure that the --hostname-override argument is not set (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--hostname-override"
set: false
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and remove the --hostname-override argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
@ -195,7 +195,7 @@ groups:
- id: 2.1.10
text: "Ensure that the --event-qps argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--event-qps"
@ -206,7 +206,7 @@ groups:
remediation: |
If using a Kubelet config file, edit the file to set eventRecordQPS: 0 .
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--event-qps=0
Based on your system, restart the kubelet service. For example:
@ -216,7 +216,7 @@ groups:
- id: 2.1.11
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
bin_op: and
test_items:
@ -229,7 +229,7 @@ groups:
file to use to identify this Kubelet, and tlsPrivateKeyFile to the location of the
corresponding private key file.
If using command line arguments, edit the kubelet service file
$kubeletconf on each worker node and
$kubeletsvc on each worker node and
set the below parameters in KUBELET_CERTIFICATE_ARGS variable.
--tls-cert-file=<path/to/tls-certificate-file>
file=<path/to/tls-key-file>
@ -240,7 +240,7 @@ groups:
- id: 2.1.12
text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
bin_op: or
test_items:
@ -252,7 +252,7 @@ groups:
- flag: "--cadvisor-port"
set: false
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_CADVISOR_ARGS variable.
--cadvisor-port=0
Based on your system, restart the kubelet service. For example:
@ -262,7 +262,7 @@ groups:
- id: 2.1.13
text: "Ensure that the --rotate-certificates argument is not set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--rotate-certificates"
@ -272,7 +272,7 @@ groups:
set: true
remediation: |
If using a Kubelet config file, edit the file to add the line rotateCertificates: true.
If using command line arguments, edit the kubelet service file $kubeletconf
If using command line arguments, edit the kubelet service file $kubeletsvc
on each worker node and add --rotate-certificates=true argument to the KUBELET_CERTIFICATE_ARGS variable.
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
@ -281,7 +281,7 @@ groups:
- id: 2.1.14
text: "Ensure that the RotateKubeletServerCertificate argument is set to true (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "RotateKubeletServerCertificate"
@ -290,7 +290,7 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_CERTIFICATE_ARGS variable.
--feature-gates=RotateKubeletServerCertificate=true
Based on your system, restart the kubelet service. For example:
@ -300,7 +300,7 @@ groups:
- id: 2.1.15
text: "Ensure that the Kubelet only makes use of Strong Cryptographic Ciphers (Not Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--tls-cipher-suites"
@ -320,7 +320,7 @@ groups:
- id: 2.2.1
text: "Ensure that the kubelet.conf file permissions are set to 644 or
more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletkubeconfig; then stat -c %a $kubeletkubeconfig; fi'"
tests:
bin_op: or
test_items:
@ -342,12 +342,12 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chmod 644 $kubeletconf
chmod 644 $kubeletkubeconfig
scored: true
- id: 2.2.2
text: "Ensure that the kubelet.conf file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletkubeconfig; then stat -c %U:%G $kubeletkubeconfig; fi'"
tests:
test_items:
- flag: "root:root"
@ -358,7 +358,7 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chown root:root $kubeletconf
chown root:root $kubeletkubeconfig
scored: true
- id: 2.2.3
@ -404,7 +404,7 @@ groups:
- id: 2.2.5
text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
audit: "/bin/sh -c 'if test -e $proxykubeconfig; then stat -c %a $proxykubeconfig; fi'"
tests:
bin_op: or
test_items:
@ -426,12 +426,12 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chmod 644 $proxyconf
chmod 644 $proxykubeconfig
scored: true
- id: 2.2.6
text: "Ensure that the proxy kubeconfig file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi'"
audit: "/bin/sh -c 'if test -e $proxykubeconfig; then stat -c %U:%G $proxykubeconfig; fi'"
tests:
test_items:
- flag: "root:root"
@ -439,7 +439,7 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chown root:root $proxyconf
chown root:root $proxykubeconfig
scored: true
- id: 2.2.7
@ -462,19 +462,19 @@ groups:
- id: 2.2.9
text: "Ensure that the kubelet configuration file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e /var/lib/kubelet/config.yaml; then stat -c %U:%G /var/lib/kubelet/config.yaml; fi'"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
tests:
test_items:
- flag: "root:root"
set: true
remediation: |
Run the following command (using the config file location identied in the Audit step)
chown root:root /etc/kubernetes/kubelet.conf
chown root:root $kubeletconf
scored: true
- id: 2.2.10
text: "Ensure that the kubelet configuration file has permissions set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e /var/lib/kubelet/config.yaml; then stat -c %a /var/lib/kubelet/config.yaml; fi'"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
tests:
bin_op: or
test_items:
@ -495,5 +495,5 @@ groups:
set: true
remediation: |
Run the following command (using the config file location identied in the Audit step)
chmod 644 /var/lib/kubelet/config.yaml
chmod 644 $kubeletconf
scored: true

8
cfg/1.8/config.yaml
View File

@ -34,11 +34,9 @@ master:
node:
kubelet:
confs:
- /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
defaultconf: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
defaultconf: /var/lib/kubelet/config.yaml
defaultsvc: /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
defaultkubeconfig: /etc/kubernetes/kubelet.conf
proxy:
confs:
- /etc/kubernetes/addons/kube-proxy-daemonset.yaml
defaultconf: /etc/kubernetes/addons/kube-proxy-daemonset.yaml

85
cfg/1.8/node.yaml
View File

@ -10,7 +10,7 @@ groups:
checks:
- id: 2.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--allow-privileged"
@ -19,7 +19,7 @@ groups:
value: false
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--allow-privileged=false
Based on your system, restart the kubelet service. For example:
@ -29,7 +29,7 @@ groups:
- id: 2.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--anonymous-auth"
@ -38,7 +38,7 @@ groups:
value: false
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--anonymous-auth=false
Based on your system, restart the kubelet service. For example:
@ -48,7 +48,7 @@ groups:
- id: 2.1.3
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--authorization-mode"
@ -57,7 +57,7 @@ groups:
value: "AlwaysAllow"
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
--authorization-mode=Webhook
Based on your system, restart the kubelet service. For example:
@ -67,13 +67,13 @@ groups:
- id: 2.1.4
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--client-ca-file"
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_AUTHZ_ARGS variable.
--client-ca-file=<path/to/client-ca-file>
Based on your system, restart the kubelet service. For example:
@ -83,7 +83,7 @@ groups:
- id: 2.1.5
text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--read-only-port"
@ -92,7 +92,7 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--read-only-port=0
Based on your system, restart the kubelet service. For example:
@ -102,7 +102,7 @@ groups:
- id: 2.1.6
text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--streaming-connection-idle-timeout"
@ -111,7 +111,7 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--streaming-connection-idle-timeout=5m
Based on your system, restart the kubelet service. For example:
@ -121,7 +121,7 @@ groups:
- id: 2.1.7
text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--protect-kernel-defaults"
@ -130,7 +130,7 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--protect-kernel-defaults=true
Based on your system, restart the kubelet service. For example:
@ -140,7 +140,7 @@ groups:
- id: 2.1.8
text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
bin_op: or
test_items:
@ -150,7 +150,7 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and remove the --make-iptables-util-chains argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
@ -160,7 +160,7 @@ groups:
- id: 2.1.9
text: "Ensure that the --keep-terminated-pod-volumes argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--keep-terminated-pod-volumes"
@ -169,7 +169,7 @@ groups:
value: false
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--keep-terminated-pod-volumes=false
Based on your system, restart the kubelet service. For example:
@ -179,13 +179,13 @@ groups:
- id: 2.1.10
text: "Ensure that the --hostname-override argument is not set (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--hostname-override"
set: false
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and remove the --hostname-override argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
@ -195,7 +195,7 @@ groups:
- id: 2.1.11
text: "Ensure that the --event-qps argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--event-qps"
@ -204,7 +204,7 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--event-qps=0
Based on your system, restart the kubelet service. For example:
@ -214,7 +214,7 @@ groups:
- 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 $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--tls-cert-file"
@ -223,8 +223,7 @@ groups:
set: true
remediation: |
Follow the Kubernetes documentation and set up the TLS connection on the Kubelet.
Then edit the kubelet service file /etc/systemd/system/kubelet.service.d/10-
kubeadm.conf on each worker node and set the below parameters in
Then edit the kubelet service file $kubeletsvc on each worker node and set the below parameters in
KUBELET_CERTIFICATE_ARGS variable.
--tls-cert-file=<path/to/tls-certificate-file>
file=<path/to/tls-key-file>
@ -236,7 +235,7 @@ groups:
- id: 2.1.13
text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "--cadvisor-port"
@ -245,7 +244,7 @@ groups:
value: 0
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_CADVISOR_ARGS variable.
--cadvisor-port=0
Based on your system, restart the kubelet service. For example:
@ -255,7 +254,7 @@ groups:
- id: 2.1.14
text: "Ensure that the RotateKubeletClientCertificate argument is set to true"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "RotateKubeletClientCertificate"
@ -264,7 +263,7 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and remove the --feature-
gates=RotateKubeletClientCertificate=false argument from the
KUBELET_CERTIFICATE_ARGS variable.
@ -275,7 +274,7 @@ groups:
- id: 2.1.15
text: "Ensure that the RotateKubeletServerCertificate argument is set to true"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
audit: "ps -fC $kubeletbin"
tests:
test_items:
- flag: "RotateKubeletServerCertificate"
@ -284,7 +283,7 @@ groups:
value: true
set: true
remediation: |
Edit the kubelet service file $kubeletconf
Edit the kubelet service file $kubeletsvc
on each worker node and set the below parameter in KUBELET_CERTIFICATE_ARGS variable.
--feature-gates=RotateKubeletServerCertificate=true
Based on your system, restart the kubelet service. For example:
@ -298,7 +297,7 @@ groups:
- id: 2.2.1
text: "Ensure that the kubelet.conf file permissions are set to 644 or
more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletkubeconfig; then stat -c %a $kubeletkubeconfig; fi'"
tests:
bin_op: or
test_items:
@ -320,12 +319,12 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chmod 644 $kubeletconf
chmod 644 $kubeletkubeconfig
scored: true
- id: 2.2.2
text: "Ensure that the kubelet.conf file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletkubeconfig; then stat -c %U:%G $kubeletkubeconfig; fi'"
tests:
test_items:
- flag: "root:root"
@ -336,13 +335,13 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chown root:root /etc/kubernetes/kubelet.conf
chown root:root $kubeletkubeconfig
scored: true
- id: 2.2.3
text: "Ensure that the kubelet service file permissions are set to 644 or
more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletsvc; then stat -c %a $kubeletsvc; fi'"
tests:
bin_op: or
test_items:
@ -364,12 +363,12 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chmod 755 $kubeletconf
chmod 755 $kubeletsvc
scored: true
- id: 2.2.4
text: "2.2.4 Ensure that the kubelet service file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %U:%G $kubeletconf; fi'"
audit: "/bin/sh -c 'if test -e $kubeletsvc; then stat -c %U:%G $kubeletsvc; fi'"
tests:
test_items:
- flag: "root:root"
@ -377,13 +376,13 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chown root:root $kubeletconf
chown root:root $kubeletsvc
scored: true
- id: 2.2.5
text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more
restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
audit: "/bin/sh -c 'if test -e $proxykubeconfig; then stat -c %a $proxykubeconfig; fi'"
tests:
bin_op: or
test_items:
@ -405,12 +404,12 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chmod 644 $proxyconf
chmod 644 $proxykubeconfig
scored: true
- id: 2.2.6
text: "Ensure that the proxy kubeconfig file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; fi'"
audit: "/bin/sh -c 'if test -e $proxykubeconfig; then stat -c %U:%G $proxykubeconfig; fi'"
tests:
test_items:
- flag: "root:root"
@ -418,7 +417,7 @@ groups:
remediation: |
Run the below command (based on the file location on your system) on the each worker
node. For example,
chown root:root $proxyconf
chown root:root $proxykubeconfig
scored: true
- id: 2.2.7

9
cfg/config.yaml
View File

@ -78,10 +78,9 @@ node:
bins:
- "hyperkube kubelet"
- "kubelet"
confs:
- /etc/kubernetes/kubelet.conf
- /etc/kubernetes/kubelet
defaultconf: "/etc/kubernetes/kubelet.conf"
defaultconf: "/var/lib/kubelet/config.yaml"
defaultsvc: "/etc/systemd/system/kubelet.service.d/10-kubeadm.conf"
defaultkubeconfig: "/etc/kubernetes/kubelet.conf"
proxy:
bins:
@ -89,9 +88,9 @@ node:
- "hyperkube proxy"
- "proxy"
confs:
- /etc/kubernetes/proxy.conf
- /etc/kubernetes/proxy
- /etc/kubernetes/addons/kube-proxy-daemonset.yaml
defaultkubeconfig: "/etc/kubernetes/proxy.conf"
federated:
components:

2
cmd/common.go
View File

@ -83,12 +83,14 @@ func runChecks(nodetype check.NodeType) {
binmap := getBinaries(typeConf)
confmap := getConfigFiles(typeConf)
svcmap := getServiceFiles(typeConf)
kubeconfmap := getKubeConfigFiles(typeConf)
// Variable substitutions. Replace all occurrences of variables in controls files.
s := string(in)
s = makeSubstitutions(s, "bin", binmap)
s = makeSubstitutions(s, "conf", confmap)
s = makeSubstitutions(s, "svc", svcmap)
s = makeSubstitutions(s, "kubeconfig", kubeconfmap)
controls, err := check.NewControls(nodetype, []byte(s))
if err != nil {

31
cmd/util.go
View File

@ -219,6 +219,37 @@ func getServiceFiles(v *viper.Viper) map[string]string {
return svcmap
}
// getKubeConfigFiles finds which of the set of candidate kubeconfig files exist
func getKubeConfigFiles(v *viper.Viper) map[string]string {
kubeconfigmap := make(map[string]string)
for _, component := range v.GetStringSlice("components") {
s := v.Sub(component)
if s == nil {
continue
}
// See if any of the candidate config files exist
kubeconfig := findConfigFile(s.GetStringSlice("kubeconfig"))
if kubeconfig == "" {
if s.IsSet("defaultkubeconfig") {
kubeconfig = s.GetString("defaultkubeconfig")
glog.V(2).Info(fmt.Sprintf("Using default kubeconfig file name '%s' for component %s", kubeconfig, component))
} else {
// Default the service file name that we'll substitute to the name of the component
glog.V(2).Info(fmt.Sprintf("Missing service file for %s", component))
kubeconfig = component
}
} else {
glog.V(2).Info(fmt.Sprintf("Component %s uses service file '%s'", component, kubeconfig))
}
kubeconfigmap[component] = kubeconfig
}
return kubeconfigmap
}
// verifyBin checks that the binary specified is running
func verifyBin(bin string) bool {