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policy-integrity-shield.yaml
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# This policy verifies the installation of Integrity Shield on the managed clusters.
#
# "enforce", it will install Integirty Shield operator
apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
name: policy-integrity-shield
annotations:
policy.open-cluster-management.io/standards: NIST SP 800-53
policy.open-cluster-management.io/categories: CM Configuration Management
policy.open-cluster-management.io/controls: CM-5 Access Restrictions for Change
spec:
remediationAction: inform
disabled: false
policy-templates:
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-namespace
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
kind: Namespace
apiVersion: v1
metadata:
name: integrity-shield-operator-system
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-og
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
name: integrity-operator-group
namespace: integrity-shield-operator-system
spec:
targetNamespaces:
- integrity-shield-operator-system
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-sub
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
name: integrity-shield-operator
namespace: integrity-shield-operator-system
spec:
channel: alpha-0.3.3
name: integrity-shield-operator
source: community-operators
sourceNamespace: openshift-marketplace
startingCSV: integrity-shield-operator.v0.3.3
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-cr
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: apis.integrityshield.io/v1
kind: IntegrityShield
metadata:
name: integrity-shield
namespace: integrity-shield-operator-system
finalizers:
- cleanup.finalizers.integrityshield.io
spec:
labels:
app: ishield-api
affinity: {}
security:
serviceAccountName: integrity-shield-sa
role: integrity-shield-role
roleBinding: integrity-shield-rolebinding
podSecurityPolicyName: integrity-shield-psp
observerServiceAccountName: integrity-shield-observer-sa
observerRole: integrity-shield-observer-role
observerRoleBinding: integrity-shield-observer-rolebinding
securityContext: {}
shieldApiTlsSecretName: integrity-shield-api-tls
shieldApiServiceName: integrity-shield-api
shieldApiServicePort: 8123
shieldApi:
name: integrity-shield-api
imagePullPolicy: IfNotPresent
image: quay.io/stolostron/integrity-shield-api
port: 8080
selector:
app: integrity-shield-api
resources:
limits:
cpu: 250m
memory: 256Mi
reporter:
name: integrity-shield-reporter
imagePullPolicy: IfNotPresent
image: quay.io/stolostron/integrity-shield-reporter
intervalSeconds: "10"
resources:
limits:
cpu: 100m
memory: 128Mi
requestHandlerConfigKey: config.yaml
requestHandlerConfigName: request-handler-config
requestHandlerConfig: |
defaultConstraintAction:
mode: inform
sideEffect:
createDenyEvent: true
log:
level: info
manifestSigstoreLogLevel: info
format: json
decisionReporterConfig:
enabled: true
requestFilterProfile:
skipObjects:
- kind: ConfigMap
name: kube-root-ca.crt
- kind: ConfigMap
name: openshift-service-ca.crt
ignoreFields:
- fields:
- spec.host
objects:
- kind: Route
- fields:
- metadata.namespace
objects:
- kind: ClusterServiceVersion
- fields:
- metadata.labels.app.kubernetes.io/instance
- metadata.managedFields.*
- metadata.resourceVersion
- metadata.selfLink
- metadata.annotations.control-plane.alpha.kubernetes.io/leader
- metadata.annotations.kubectl.kubernetes.io/last-applied-configuration
- metadata.finalizers*
- metadata.annotations.namespace
- metadata.annotations.deprecated.daemonset.template.generation
- metadata.creationTimestamp
- metadata.uid
- metadata.generation
- status
- metadata.annotations.deployment.kubernetes.io/revision
- metadata.annotations.cosign.sigstore.dev/imageRef
- metadata.annotations.cosign.sigstore.dev/bundle
- metadata.annotations.cosign.sigstore.dev/message
- metadata.annotations.cosign.sigstore.dev/certificate
- metadata.annotations.cosign.sigstore.dev/signature
objects:
- name: '*'
- fields:
- secrets.*.name
- imagePullSecrets.*.name
objects:
- kind: ServiceAccount
- fields:
- spec.ports.*.nodePort
- spec.clusterIP
- spec.clusterIPs.0
objects:
- kind: Service
- fields:
- metadata.labels.olm.api.*
- metadata.labels.operators.coreos.com/*
- metadata.annotations.*
- spec.install.spec.deployments.*.spec.template.spec.containers.*.resources.limits.cpu
- spec.cleanup.enabled
objects:
- kind: ClusterServiceVersion
skipUsers:
- users:
- system:admin
- system:apiserver
- system:kube-scheduler
- system:kube-controller-manager
- system:serviceaccount:kube-system:generic-garbage-collector
- system:serviceaccount:kube-system:attachdetach-controller
- system:serviceaccount:kube-system:certificate-controller
- system:serviceaccount:kube-system:clusterrole-aggregation-controller
- system:serviceaccount:kube-system:cronjob-controller
- system:serviceaccount:kube-system:disruption-controller
- system:serviceaccount:kube-system:endpoint-controller
- system:serviceaccount:kube-system:horizontal-pod-autoscaler
- system:serviceaccount:kube-system:ibm-file-plugin
- system:serviceaccount:kube-system:ibm-keepalived-watcher
- system:serviceaccount:kube-system:ibmcloud-block-storage-plugin
- system:serviceaccount:kube-system:job-controller
- system:serviceaccount:kube-system:namespace-controller
- system:serviceaccount:kube-system:node-controller
- system:serviceaccount:kube-system:job-controller
- system:serviceaccount:kube-system:pod-garbage-collector
- system:serviceaccount:kube-system:pv-protection-controller
- system:serviceaccount:kube-system:pvc-protection-controller
- system:serviceaccount:kube-system:replication-controller
- system:serviceaccount:kube-system:resourcequota-controller
- system:serviceaccount:kube-system:service-account-controller
- system:serviceaccount:kube-system:statefulset-controller
- objects:
- kind: ControllerRevision
- kind: Pod
users:
- system:serviceaccount:kube-system:daemon-set-controller
- objects:
- kind: Pod
- kind: PersistentVolumeClaim
users:
- system:serviceaccount:kube-system:persistent-volume-binder
- objects:
- kind: ReplicaSet
users:
- system:serviceaccount:kube-system:deployment-controller
- objects:
- kind: Pod
users:
- system:serviceaccount:kube-system:replicaset-controller
- objects:
- kind: PersistentVolumeClaim
users:
- system:serviceaccount:kube-system:statefulset-controller
- objects:
- kind: ServiceAccount
users:
- system:kube-controller-manager
- objects:
- kind: EndpointSlice
users:
- system:serviceaccount:kube-system:endpointslice-controller
- objects:
- kind: Secret
users:
- system:kube-controller-manager
- users:
- system:serviceaccount:openshift-marketplace:marketplace-operator
- system:serviceaccount:openshift-monitoring:cluster-monitoring-operator
- system:serviceaccount:openshift-network-operator:default
- system:serviceaccount:openshift-monitoring:prometheus-operator
- system:serviceaccount:openshift-cloud-credential-operator:default
- system:serviceaccount:openshift-machine-config-operator:default
- system:serviceaccount:openshift-infra:namespace-security-allocation-controller
- system:serviceaccount:openshift-cluster-version:default
- system:serviceaccount:openshift-authentication-operator:authentication-operator
- system:serviceaccount:openshift-apiserver-operator:openshift-apiserver-operator
- system:serviceaccount:openshift-kube-scheduler-operator:openshift-kube-scheduler-operator
- system:serviceaccount:openshift-kube-controller-manager-operator:kube-controller-manager-operator
- system:serviceaccount:openshift-controller-manager:openshift-controller-manager-sa
- system:serviceaccount:openshift-controller-manager-operator:openshift-controller-manager-operator
- system:serviceaccount:openshift-kube-apiserver-operator:kube-apiserver-operator
- system:serviceaccount:openshift-sdn:sdn-controller
- system:serviceaccount:openshift-machine-api:cluster-autoscaler-operator
- system:serviceaccount:openshift-machine-api:machine-api-operator
- system:serviceaccount:openshift-machine-config-operator:machine-config-controller
- system:serviceaccount:openshift-machine-api:machine-api-controllers
- system:serviceaccount:openshift-cluster-storage-operator:csi-snapshot-controller-operator
- system:serviceaccount:openshift-kube-controller-manager:localhost-recovery-client
- system:serviceaccount:openshift-kube-storage-version-migrator-operator:kube-storage-version-migrator-operator
- system:serviceaccount:openshift-etcd-operator:etcd-operator
- system:serviceaccount:openshift-service-ca:service-ca
- system:serviceaccount:openshift-config-operator:openshift-config-operator
- system:serviceaccount:openshift-kube-apiserver:localhost-recovery-client
- system:serviceaccount:openshift-cluster-node-tuning-operator:cluster-node-tuning-operator
- objects:
- namespace: openshift-service-ca, openshift-network-operator
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-ca:configmap-cabundle-injector-sa
- objects:
- namespace: openshift-service-ca-operator
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-ca-operator:service-ca-operator
- objects:
- namespace: openshift-service-catalog-controller-manager-operator
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-catalog-controller-manager-operator:openshift-service-catalog-controller-manager-operator
- objects:
- namespace: openshift-console-operator, openshift-console
users:
- system:serviceaccount:openshift-console-operator:console-operator
- objects:
- namespace: openshift-service-ca
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-ca:apiservice-cabundle-injector-sa
- namespace: openshift-service-ca
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-ca:service-serving-cert-signer-sa
- objects:
- namespace: openshift-service-catalog-apiserver-operator
kind: ConfigMap
users:
- system:serviceaccount:openshift-service-catalog-apiserver-operator:openshift-service-catalog-apiserver-operator
- objects:
- namespace: openshift-operator-lifecycle-manager
users:
- system:serviceaccount:openshift-operator-lifecycle-manager:olm-operator-serviceaccount
- objects:
- namespace: openshift-cluster-node-tuning-operator
kind: ConfigMap,DaemonSet
users:
- system:serviceaccount:openshift-cluster-node-tuning-operator:cluster-node-tuning-operator
- objects:
- namespace: openshift
kind: Secret
users:
- system:serviceaccount:openshift-cluster-samples-operator:cluster-samples-operator
- objects:
- namespace: openshift-ingress
kind: Deployment
users:
- system:serviceaccount:openshift-ingress-operator:ingress-operator
- objects:
- kind: ServiceAccount, Secret
users:
- system:serviceaccount:openshift-infra:serviceaccount-pull-secrets-controller
- objects:
- namespace: openshift-marketplace
kind: Pod
users:
- system:node:*
- objects:
- kind: ServiceAccount, InstallPlan, OperatorGroup, Role, RoleBinding, Deployment
users:
- system:serviceaccount:openshift-operator-lifecycle-manager:olm-operator-serviceaccount
- objects:
- kind: InstallPlan, Role, RoleBinding, Deployment
users:
- system:serviceaccount:openshift-operator-lifecycle-manager:olm-operator-serviceaccount
useGatekeeper: true
rego: |
package integrityshieldcheck
violation[{"msg": msg}] {
not is_allowed_kind
not is_excluded
is_create_or_update
ishield_input := {"parameters":input.parameters, "request":input.review}
reqdata := json.marshal(ishield_input)
url := "https://integrity-shield-api.REPLACE_WITH_SERVER_NAMESPSCE.svc:8123/api/request"
resp := http_post(url, reqdata)
should_be_denied(resp)
not is_detect_mode
result := get_result(resp)
msg := sprintf("denied; %v", [result])
}
http_post(url, postdata) = resp {
resp := http.send({
"url": url,
"method": "POST",
"headers": {
"Accept": "application/json",
"Content-type": "application/json",
},
"raw_body": postdata,
"timeout": "2500ms",
"raise_error": false,
"tls_ca_cert": REPLACE_WITH_CA_CERT
})
}
# get decision result from API response
get_result(resp) = result {
raw_body := object.get(resp, "raw_body", null)
not is_null(raw_body)
result := json.unmarshal(raw_body)
}
# if error, return it as result
get_result(resp) = result {
raw_body := object.get(resp, "raw_body", null)
is_null(raw_body)
error_msg := object.get(resp, "error", "")
result := {"http_error":error_msg}
}
# if API response is null, deny
should_be_denied(resp) {
is_null(resp)
}
# if API response has status_code other than 200, deny
should_be_denied(resp) {
not is_null(resp)
resp.status_code != 200
}
# if decision result is "allow == false" or not set, then deny
should_be_denied(resp) {
not is_null(resp)
result := get_result(resp)
allow := object.get(result, "allow", false)
allow == false
}
# request check
is_create_or_update { is_create }
is_create_or_update { is_update }
is_create { input.review.operation == "CREATE" }
is_update { input.review.operation == "UPDATE" }
# shield config: allow
is_allowed_kind { skip_kinds[_].kind == input.review.kind.kind }
# shield config: inScopeNamespaceSelector
is_excluded { exclude_namespaces[_] = input.review.namespace}
# detect mode
is_detect_mode { enforce_mode == "detect" }
###################
# Default setting #
###################
# Mode whether to deny a invalid request [enforce/detect]
enforce_mode = "enforce"
# kinds to be skipped
skip_kinds = [
{
"kind": "Event"
},
{
"kind": "Lease"
},
{
"kind": "Endpoints"
},
{
"kind": "TokenReview"
},
{
"kind": "SubjectAccessReview"
},
{
"kind": "SelfSubjectAccessReview"
}
]
# exclude namespaces
exclude_namespaces = [
"kube-node-lease",
"kube-public",
"kube-storage-version-migrator-operator",
"kube-system",
"open-cluster-management",
"open-cluster-management-hub",
"open-cluster-management-agent",
"open-cluster-management-agent-addon",
"openshift",
"openshift-apiserver",
"openshift-apiserver-operator",
"openshift-authentication",
"openshift-authentication-operator",
"openshift-cloud-credential-operator",
"openshift-cluster-csi-drivers",
"openshift-cluster-machine-approver",
"openshift-cluster-node-tuning-operator",
"openshift-cluster-samples-operator",
"openshift-cluster-storage-operator",
"openshift-cluster-version",
"openshift-compliance",
"openshift-config",
"openshift-config-managed",
"openshift-config-operator",
"openshift-console",
"openshift-console-operator",
"openshift-console-user-settings",
"openshift-controller-manager",
"openshift-controller-manager-operator",
"openshift-dns",
"openshift-dns-operator",
"openshift-etcd",
"openshift-etcd-operator",
"openshift-gatekeeper-system",
"openshift-image-registry",
"openshift-infra",
"openshift-ingress",
"openshift-ingress-canary",
"openshift-ingress-operator",
"openshift-insights",
"openshift-kni-infra",
"openshift-kube-apiserver",
"openshift-kube-apiserver-operator",
"openshift-kube-controller-manager",
"openshift-kube-controller-manager-operator",
"openshift-kube-scheduler",
"openshift-kube-scheduler-operator",
"openshift-kube-storage-version-migrator",
"openshift-kube-storage-version-migrator-operator",
"openshift-kubevirt-infra",
"openshift-machine-api",
"openshift-machine-config-operator",
"openshift-marketplace",
"openshift-monitoring",
"openshift-multus",
"openshift-network-diagnostics",
"openshift-network-operator",
"openshift-node",
"openshift-oauth-apiserver",
"openshift-openstack-infra",
"openshift-operators",
"openshift-operator-lifecycle-manager",
"openshift-ovirt-infra",
"openshift-ovn-kubernetes",
"openshift-sdn",
"openshift-service-ca",
"openshift-service-ca-operator",
"openshift-user-workload-monitoring",
"openshift-vsphere-infra"
]
observer:
enabled: true
name: integrity-shield-observer
imagePullPolicy: IfNotPresent
image: quay.io/stolostron/integrity-shield-observer
selector:
app: integrity-shield-observer
resources:
limits:
cpu: 250m
memory: 256Mi
logLevel: info
interval: "5"
exportDetailResult: false
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-policy-constraint
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: ManifestIntegrityConstraint
metadata:
name: policy-constraint
spec:
match:
kinds:
- apiGroups:
- policy.open-cluster-management.io
kinds:
- Policy
namespaceSelector:
matchExpressions:
- key: policy.open-cluster-management.io/isClusterNamespace
operator: In
values:
- "true"
parameters:
constraintName: policy-constraint
action:
mode: inform
ignoreFields:
- fields:
- metadata.labels.policy.open-cluster-management.io/root-policy
- metadata.labels.policy.open-cluster-management.io/cluster-name
- metadata.labels.policy.open-cluster-management.io/cluster-namespace
- metadata.annotations.apps.open-cluster-management.io/sync-source
- metadata.annotations.apps.open-cluster-management.io/reconcile-option
- metadata.annotations.apps.open-cluster-management.io/hosting-subscription
- metadata.annotations.apps.open-cluster-management.io/hosting-deployable
- metadata.annotations.apps.open-cluster-management.io/cluster-admin
objects:
- apiGroup: policy.open-cluster-management.io
- fields:
- namespace
objects:
- apiGroup: policy.open-cluster-management.io
kind: Policy
signers:
- "*"
keyConfigs:
- keySecretName: keyring-secret
keySecretNamespace: integrity-shield-operator-system
skipUsers:
- users:
- system:serviceaccount:open-cluster-management-agent:*
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-integrity-shield-sub-policy-constraint
spec:
remediationAction: enforce # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
severity: high
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: ManifestIntegrityConstraint
metadata:
name: sub-policy-constraint
spec:
match:
kinds:
- apiGroups:
- policy.open-cluster-management.io
kinds:
- ConfigurationPolicy
- CertificatePolicy
namespaceSelector:
matchExpressions:
- key: policy.open-cluster-management.io/isClusterNamespace
operator: In
values:
- "true"
parameters:
constraintName: sub-policy-constraint
action:
mode: inform
admissionOnly: true
ignoreFields:
- fields:
- metadata.labels.policy.open-cluster-management.io/root-policy
- metadata.labels.policy.open-cluster-management.io/cluster-name
- metadata.labels.policy.open-cluster-management.io/cluster-namespace
- metadata.annotations.apps.open-cluster-management.io/sync-source
- metadata.annotations.apps.open-cluster-management.io/reconcile-option
- metadata.annotations.apps.open-cluster-management.io/hosting-subscription
- metadata.annotations.apps.open-cluster-management.io/hosting-deployable
- metadata.annotations.apps.open-cluster-management.io/cluster-admin
objects:
- apiGroup: policy.open-cluster-management.io
signers:
- "*"
keyConfigs:
- keySecretName: keyring-secret
keySecretNamespace: integrity-shield-operator-system
skipUsers:
- users:
- system:serviceaccount:open-cluster-management-agent:*
- system:serviceaccount:open-cluster-management-agent-addon:*