OKD 4 : Configure Identity Provider : Keystone2022/08/08 |
Configure Openstack Keystone as an Identity Provider.
It's possible to set multiple Identity Providers.
Therefore, add Keystone Identity Provider in addition to HTPasswd Identity Provider on this example.
OKD 4 Cluster is based on the environment like follows.
For Openstack Keystone on this example, it uses a Keystone Server like the example of here. --------------+----------------+-----------------+-------------- |10.0.0.25 | |10.0.0.24 +-------------+-------------+ | +--------------+-------------+ | [mgr.okd4.srv.world] | | | [bootstrap.okd4.srv.world] | | Manager Node | | | Bootstrap Node | | DNS | | | | | Nginx | | | | +---------------------------+ | +----------------------------+ | --------------+----------------+-----------------+-------------- |10.0.0.40 | |10.0.0.41 +-------------+-------------+ | +--------------+-------------+ | [master-0.okd4.srv.world] | | | [master-1.okd4.srv.world] | | Control Plane#1 | | | Control Plane#2 | | | | | | | | | | | +---------------------------+ | +----------------------------+ | --------------+----------------+-----------------+-------------- |10.0.0.42 |10.0.0.30 +-------------+-------------+ +--------------+-------------+ | [master-2.okd4.srv.world] | | [dlp.srv.world] | | Control Plane#3 | | Openstack Keystone | | | | | | | | | +---------------------------+ +----------------------------+ |
[1] | On Manager Node, add Identity Provider setting. |
[root@mgr ~]#
oc edit oauth cluster apiVersion: config.openshift.io/v1 kind: OAuth metadata: annotations: include.release.openshift.io/ibm-cloud-managed: "true" include.release.openshift.io/self-managed-high-availability: "true" include.release.openshift.io/single-node-developer: "true" kubectl.kubernetes.io/last-applied-configuration: | {"apiVersion":"config.openshift.io/v1","kind":"OAuth","metadata":{"annotations":{},"name":"cluster"},"spec":{"identityProviders":[{"htpasswd":{"fileData":{"name":"htpass-secret"}},"mappingMethod":"claim","name":"HTPasswdIdentityProvider","type":"HTPasswd"}]}} release.openshift.io/create-only: "true" creationTimestamp: "2022-08-02T05:37:54Z" generation: 2 name: cluster ownerReferences: - apiVersion: config.openshift.io/v1 kind: ClusterVersion name: version uid: d4c7b280-4d13-477d-b271-53f3c0187af6 resourceVersion: "41842" uid: 047a4c8a-f942-47b1-bc36-38202ffb9ffa spec: identityProviders: - htpasswd: fileData: name: htpass-secret mappingMethod: claim name: HTPasswdIdentityProvider type: HTPasswd - keystone: domainName: default url: https://dlp.srv.world:5000 mappingMethod: claim name: KeystoneIdentityProvider type: Keystone # add for Keystone binding # [url] : specify Keystone endpoint URL # [domainName] : specify Openstack domain name : if single domain env, it's [default] # [name] : any name you like |
Get API token if need, refer to here. That's OK if successfully login as a Keystone user. |
[2] | Verify on a client computer to login as a Keystone user. |
[centos@client ~]$ oc login --token=sha256~GhUoP_TPygrhiW8nAH3hc2NVvTHoCJzlxfdKOHzR-OY --server=https://api.okd4.srv.world:6443 The server uses a certificate signed by an unknown authority. You can bypass the certificate check, but any data you send to the server could be intercepted by others. Use insecure connections? (y/n): y Logged into "https://api.okd4.srv.world:6443" as "clouduser" using the token provided. You don't have any projects. You can try to create a new project, by running oc new-project <projectname> Welcome! See 'oc help' to get started.[centos@client ~]$ oc whoami clouduser |
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