Bug 2026089

Summary: Different file permission for secrets/user-serving-cert-000/tls.crt and secrets/user-serving-cert-000/tls.key
Product: OpenShift Container Platform Reporter: OpenShift BugZilla Robot <openshift-bugzilla-robot>
Component: kube-apiserverAssignee: Abu Kashem <akashem>
Status: CLOSED ERRATA QA Contact: Rahul Gangwar <rgangwar>
Severity: high Docs Contact:
Priority: medium    
Version: 4.7CC: amulmule, clasohm, dtambat, kvatteka, mfojtik, mirollin, mrobson, nkaushik, pawankum, rgangwar, sbiradar, shaising, shchan, simore, sttts, surbania, suyama, vlaad, wking, xxia
Target Milestone: ---   
Target Release: 4.8.z   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-01-12 16:54:48 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1977730    
Bug Blocks: 2013838    

Comment 6 Rahul Gangwar 2021-12-22 16:25:19 UTC
oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.8.0-0.nightly-2021-12-21-212247   True        False         9m49s   Cluster version is 4.8.0-0.nightly-2021-12-21-212247

openssl req -newkey rsa:2048 -nodes -keyout key.pem -x509 -days 365 -out certificate.pem  -subj "/CN=<API_FQDN>"
Generating a 2048 bit RSA private key
................................................................................................................................................+++
.......+++
writing new private key to 'key.pem'
-----

oc create secret tls api-secret --cert=certificate.pem  --key=key.pem  -n openshift-config
secret/api-secret created

 oc get apiserver/cluster -o yaml
      servingCertificate:
        name: api-secret

 for i in `oc get node|grep master|awk '{print $1}'`;do oc debug node/$i -T  -- chroot /host bash -c "ls -ltrh /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/*/tls.crt"; done
Starting pod/ip-10-0-153-141us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.5K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 2.4K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.1K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt
-rw-------. 1 root root 2.7K Dec 22 16:03 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-170-127us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 2.5K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 1.1K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt
-rw-------. 1 root root 2.7K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt
-rw-------. 1 root root 2.4K Dec 22 16:16 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-212-167us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.4K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 1.1K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt
-rw-------. 1 root root 2.7K Dec 22 16:10 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Removing debug pod ...

Comment 9 errata-xmlrpc 2022-01-11 22:31:15 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.8.26 bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:0021

Comment 15 Rahul Gangwar 2022-03-01 17:45:00 UTC
oc adm release info --commits registry.ci.openshift.org/ocp/release:4.8.0-0.nightly-2022-02-28-225103|grep -i kube-apiserver-operator
  cluster-kube-apiserver-operator                https://github.com/openshift/cluster-kube-apiserver-operator                25c54939bdd02bc8e68f1329fa3ebe16904b3282

git log --date local --pretty="%h %an %cd - %s"  25c54939 |grep -i 1320
25c54939b OpenShift Merge Robot Mon Feb 28 15:29:23 2022 - Merge pull request #1320 from EmilyM1/bump-for-4.8-libgo

Before changes 
oc get clusterversion
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.8.0-0.nightly-2022-02-28-225103   True        False         163m    Cluster version is 4.8.0-0.nightly-2022-02-28-225103
rahulgangwar@rgangwar-mac cluster-kube-apiserver-operator % for i in `oc get node|grep master|awk '{print $1}'`;do oc debug node/$i -T  -- chroot /host bash -c "ls -ltrh /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/*/tls.crt"; done
Starting pod/ip-10-0-60-208us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.4K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.7K Mar  1 11:36 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-60-72us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 2.4K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.7K Mar  1 11:43 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-73-175us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.7K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt
-rw-------. 1 root root 2.4K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Mar  1 11:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt

After changes

openssl req -newkey rsa:2048 -nodes -keyout key.pem -x509 -days 365 -out certificate.pem  -subj "/CN=test.com"  
Generating a 2048 bit RSA private key
...........................................................+++
...................................................................+++
writing new private key to 'key.pem'
-----
 oc create secret tls api-secret --cert=certificate.pem  --key=key.pem  -n openshift-config

secret/api-secret created
 oc patch --type=merge apiserver/cluster -p "
spec:
  servingCerts:
    namedCertificates:
    - names:
      - test.com                
      servingCertificate:
        name: api-secret     

 oc get apiserver cluster -o yaml
servingCerts:
    namedCertificates:
    - names:
      - test.com
      servingCertificate:
        name: api-secret

 for i in `oc get node|grep master|awk '{print $1}'`;do oc debug node/$i -T  -- chroot /host bash -c "ls -ltrh /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/*/tls.crt"; done
Starting pod/ip-10-0-60-208us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 2.7K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt
-rw-------. 1 root root 2.4K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root  973 Mar  1 17:34 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-60-72us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.4K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root  973 Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt
-rw-------. 1 root root 2.7K Mar  1 17:40 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Removing debug pod ...
Starting pod/ip-10-0-73-175us-east-2computeinternal-debug ...
To use host binaries, run `chroot /host`
-rw-------. 1 root root 1.2K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/check-endpoints-client-cert-key/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/aggregator-client/tls.crt
-rw-------. 1 root root 2.4K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/localhost-serving-cert-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/internal-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 2.5K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/external-loadbalancer-serving-certkey/tls.crt
-rw-------. 1 root root 1.2K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/control-plane-node-admin-client-cert-key/tls.crt
-rw-------. 1 root root  973 Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/user-serving-cert-000/tls.crt
-rw-------. 1 root root 2.7K Mar  1 17:28 /etc/kubernetes/static-pod-resources/kube-apiserver-certs/secrets/service-network-serving-certkey/tls.crt

Comment 21 Rahul Gangwar 2022-05-12 04:45:31 UTC
Shanna, Checking with dev will update you soon.

Comment 22 Shailendra Singh 2022-08-24 13:42:38 UTC
Hello Team,

Can we please get any update on this?

Comment 28 errata-xmlrpc 2023-01-12 16:54:48 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (OpenShift Container Platform 4.8.56 bug fix update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:0018