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policy-oauth-ldapsync.yaml
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policy-oauth-ldapsync.yaml
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# This policy configures the OAuth for using an LDAP provider, and creates a job to sync with an external LDAP.
# In this example, Active Directory is used as external IDP.
# For more information on configuring the OAuth server, consult the OpenShift documentation:
# https://docs.openshift.com/container-platform/4.10/authentication/identity_providers/configuring-ldap-identity-provider.html
apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
name: policy-oauth-ldap
annotations:
policy.open-cluster-management.io/categories: CM Configuration Management, AC Access Control
policy.open-cluster-management.io/controls: AC-3 Access Enforcement
policy.open-cluster-management.io/standards: NIST SP 800-53
spec:
disabled: false
policy-templates:
# Create a secret that stores the LDAP bind password
# bindPassword: <password> --> Password used by the bindDN to connect with the LDAP. Since this object is a Kubernetes secret, encode the password in base64.
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldap-secret
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: v1
data:
bindPassword: <password>
kind: Secret
metadata:
name: ldap-secret
namespace: openshift-config
type: Opaque
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
# Configure the OAuth for using LDAP as the identity provider
# bindDN: <bindDN> --> Full DN of the user account used to connect with the LDAP. Example: CN=user1,CN=Users,DC=example,DC=com
# url: <ldapurl> --> The LDAP url. The configured url is an RFC 2255 URL, which specifies the LDAP host and search parameters to use. The format is ldap://host:port/basedn?attribute?scope?filter
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth
spec:
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: config.openshift.io/v1
kind: OAuth
metadata:
name: cluster
spec:
identityProviders:
- name: ldapidp
ldap:
attributes:
name:
- cn
email:
- mail
id:
- sAMAccountName
preferredUsername:
- sAMAccountName
bindDN: <bindDN>
bindPassword:
name: ldap-secret
insecure: true
url: <ldapurl>
mappingMethod: claim
type: LDAP
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
# Create a CronJob in the cluster-ops namespace to sync with LDAP. In this example, AD is used.
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-project
spec:
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: project.openshift.io/v1
kind: Project
metadata:
name: cluster-ops
spec:
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
# Create a ConfigMap that stores the LDAP sync configuration.
# url: <ldapurl> --> The LDAP url. The configured url is an RFC 2255 URL, which specifies the LDAP host and search parameters to use. The format is ldap://host:port/basedn?attribute?scope?filter
# bindDN: <bindDN> --> Full DN of the user account used to connect with the LDAP. Example: CN=user1,CN=Users,DC=example,DC=com
# bindPassword: <password> --> Password used by the bindDN to connect with the LDAP. Since this object is a Kubernetes configmap, the password is stored in plaintext.
# baseDN: <baseDN> --> The starting point an LDAP server uses when searching for users within your directory.
# filter: <filter> --> A valid LDAP search filter. If not provided, defaults to (objectClass=*)
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-configmap
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: v1
data:
ldap-sync.yml: >
kind: LDAPSyncConfig
apiVersion: v1
url: ldap://<ldapurl>
insecure: true
bindDN: "<ldapbindDN>"
bindPassword: '<ldapbindPassword>'
augmentedActiveDirectory:
groupsQuery:
derefAliases: never
pageSize: 0
groupUIDAttribute: dn
groupNameAttributes: [ cn ]
groupMembershipAttributes: [ memberOf ]
usersQuery:
baseDN: "<baseDN>"
scope: sub
derefAliases: never
pageSize: 0
filter: <filter>
userNameAttributes: [ sAMAccountName ]
kind: ConfigMap
metadata:
name: ldap-config
namespace: cluster-ops
labels:
template: cronjob-ldap-group-sync
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-cronjob
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: batch/v1beta1
kind: CronJob
metadata:
name: cronjob-ldap-group-sync
namespace: cluster-ops
labels:
template: cronjob-ldap-group-sync
spec:
concurrencyPolicy: Forbid
failedJobsHistoryLimit: 5
jobTemplate:
spec:
template:
spec:
activeDeadlineSeconds: 500
containers:
- name: cronjob-ldap-group-sync
command:
- /bin/bash
- -c
- "oc adm groups sync
--sync-config=/etc/config/ldap-group-sync.yaml
--confirm || :"
image: registry.redhat.io/openshift4/ose-cli:latest
volumeMounts:
- name: ldap-sync-volume
mountPath: /etc/config
dnsPolicy: ClusterFirst
restartPolicy: Never
serviceAccount: ldap-group-syncer
serviceAccountName: ldap-group-syncer
terminationGracePeriodSeconds: 30
volumes:
- name: ldap-sync-volume
configMap:
name: ldap-config
items:
- key: ldap-sync.yml
path: ldap-group-sync.yaml
schedule: "@hourly"
successfulJobsHistoryLimit: 5
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-cronjob-sa-cr
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: authorization.openshift.io/v1
kind: ClusterRole
metadata:
name: ldap-group-syncer
labels:
template: cronjob-ldap-group-sync
rules:
- apiGroups:
- ""
- user.openshift.io
resources:
- groups
verbs:
- get
- list
- create
- update
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-cronjob-sa-crb
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: ldap-group-syncers
labels:
template: cronjob-ldap-group-sync
roleRef:
name: ldap-group-syncer
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
subjects:
- name: ldap-group-syncer
namespace: cluster-ops
kind: ServiceAccount
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: policy-oauth-ldapsync-cronjob-sa
spec:
object-templates:
- complianceType: mustonlyhave
objectDefinition:
apiVersion: v1
kind: ServiceAccount
metadata:
name: ldap-group-syncer
namespace: cluster-ops
labels:
template: cronjob-ldap-group-sync
pruneObjectBehavior: DeleteIfCreated
remediationAction: inform
severity: high
remediationAction: inform