checktext: |- Check to see if a policy has been put in place by running the commands: > for node in $(oc get node -oname); do \ oc debug $node -- chroot /host/bin/bash \ -c 'echo -n "$HOSTNAME "; cat /etc/containers/policy.json'2>/dev/null; \ done Make sure that the default policy to verify container images is set to reject. Also, ensure that the registries have the appropriate signature keys. This should look as follows:
{
"default": [{"type": "reject"}],
"transports": {
"docker": {
"registry.access.redhat.com": [
{
"type": "signedBy",
"keyType": "GPGKeys",
"keyPath": "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release"
}
],
"registry.redhat.io": [
{
"type": "signedBy",
"keyType": "GPGKeys",
"keyPath": "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release"
}
],
...
}
If the policy is not set to reject by default, and the signature keys
are not configure appropriately on the registries, this is a finding.
fixtext: |-
Configure the OpenShift Container policy to validate that images signatures are verified and enforced. This can be configured manually or through the use of the MachineConfig Operator published by Red Hat.
> for mcpool in $(oc get mcp -oname | sed "s:.*/::" ); do
echo "apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
labels:
machineconfiguration.openshift.io/role: $mcpool
name: 51-rh-registry-trust-$mcpool
spec:
config:
ignition:
version: 3.2.0
storage:
files:
- contents:
source: data:text/plain;charset=utf-8;base64,LS0tCmRvY2tlcjoKICByZWdpc3RyeS5hY2Nlc3MucmVkaGF0LmNvbToKICAgIHNpZ3N0b3JlOiBodHRwczovL2FjY2Vzcy5yZWRoYXQuY29tL3dlYmFzc2V0cy9kb2NrZXIvY29udGVudC9zaWdzdG9yZQo=
verification: {}
filesystem: root
mode: 420
path: /etc/containers/registries.d/registry.access.redhat.com.yaml
- contents:
source: data:text/plain;charset=utf-8;base64,LS0tCmRvY2tlcjoKICByZWdpc3RyeS5yZWRoYXQuaW86CiAgICBzaWdzdG9yZTogaHR0cHM6Ly9yZWdpc3RyeS5yZWRoYXQuaW8vY29udGFpbmVycy9zaWdzdG9yZQo=
verification: {}
filesystem: root
mode: 420
path: /etc/containers/registries.d/registry.redhat.io.yaml
- contents:
source: data:text/plain;charset=utf-8;base64,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
verification: {}
filesystem: root
mode: 420
path: /etc/containers/policy.json
" | oc apply -f -
done
srg_requirement: |-
{{{ full_name }}} must verify container images.