Update Flannel to v0.21.1

[rbrtbnfgl]

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Describe the solution you'd like

Update Flannel to the latest version

Describe alternatives you've considered

Additional context

[est-suse]

Current version checked using VERSION=v1.2.6
New version checked using COMMIT=7739c8b97ee453a82d2762f2c2172c64e4aaa825

Node(s) CPU architecture, OS, and version:

NAME="SLES"
VERSION="15-SP4"
VERSION_ID="15.4"
PRETTY_NAME="SUSE Linux Enterprise Server 15 SP4"
ID="sles"
ID_LIKE="suse"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:suse:sles:15:sp4"
DOCUMENTATION_URL="https://documentation.suse.com/"

Cluster Configuration:

1 server

Config.yaml:

write-kubeconfig-mode: 644
debug: true
token: dwarventacos
selinux: true
protect-kernel-defaults: true

Testing Results

1. Copy Config.yaml sudo mkdir -p /etc/rancher/k3s/ && sudo cp config.yaml /etc/rancher/k3s/config.yaml
2. Install K3s 1.26 curl -sfL https://get.k3s.io | INSTALL_K3S_COMMIT=7739c8b97ee453a82d2762f2c2172c64e4aaa825 sh -
3. Validate the correct version

/var/lib/rancher/k3s/data/current/bin/flannel
CNI Plugin flannel version v0.21.1 (linux/amd64) commit HEAD built on 2023-02-13T17:45:53Z

NAME                   STATUS   ROLES                  AGE   VERSION                INTERNAL-IP    EXTERNAL-IP   OS-IMAGE                              KERNEL-VERSION              CONTAINER-RUNTIME
node/ip-172-31-38-95   Ready    control-plane,master   14m   v1.26.1+k3s-7739c8b9   172.31.38.95   <none>        SUSE Linux Enterprise Server 15 SP4   5.14.21-150400.22-default   containerd://1.6.15-k3s1

NAMESPACE      NAME                                          READY   STATUS      RESTARTS   AGE     IP           NODE              NOMINATED NODE   READINESS GATES
kube-system    pod/local-path-provisioner-5d56847996-v24zh   1/1     Running     0          14m     10.42.0.6    ip-172-31-38-95   <none>           <none>
kube-system    pod/coredns-5c6b6c5476-bsc8p                  1/1     Running     0          14m     10.42.0.5    ip-172-31-38-95   <none>           <none>
kube-system    pod/helm-install-traefik-crd-hq2hh            0/1     Completed   0          14m     10.42.0.3    ip-172-31-38-95   <none>           <none>
kube-system    pod/metrics-server-7b67f64457-pmmps           1/1     Running     0          14m     10.42.0.4    ip-172-31-38-95   <none>           <none>
kube-system    pod/svclb-traefik-84eed549-lql57              2/2     Running     0          13m     10.42.0.7    ip-172-31-38-95   <none>           <none>
kube-system    pod/helm-install-traefik-p7bjj                0/1     Completed   2          14m     10.42.0.2    ip-172-31-38-95   <none>           <none>
kube-system    pod/traefik-56b8c5fb5c-ntntj                  1/1     Running     0          13m     10.42.0.8    ip-172-31-38-95   <none>           <none>
auto-ingress   pod/test-ingress-z77mq                        1/1     Running     0          9m14s   10.42.0.9    ip-172-31-38-95   <none>           <none>
auto-ingress   pod/test-ingress-pfw6q                        1/1     Running     0          9m14s   10.42.0.10   ip-172-31-38-95   <none>           <none>

NAMESPACE      NAME                                 DESIRED   CURRENT   READY   AGE     CONTAINERS      IMAGES                                     SELECTOR
auto-ingress   replicationcontroller/test-ingress   2         2         2       9m14s   testcontainer   ranchertest/mytestcontainer:unprivileged   k8s-app=nginx-app-ingress

NAMESPACE      NAME                        TYPE           CLUSTER-IP      EXTERNAL-IP    PORT(S)                      AGE     SELECTOR
default        service/kubernetes          ClusterIP      10.43.0.1       <none>         443/TCP                      14m     <none>
kube-system    service/kube-dns            ClusterIP      10.43.0.10      <none>         53/UDP,53/TCP,9153/TCP       14m     k8s-app=kube-dns
kube-system    service/metrics-server      ClusterIP      10.43.25.70     <none>         443/TCP                      14m     k8s-app=metrics-server
kube-system    service/traefik             LoadBalancer   10.43.90.245    172.31.38.95   80:31964/TCP,443:31765/TCP   13m     app.kubernetes.io/instance=traefik-kube-system,app.kubernetes.io/name=traefik
auto-ingress   service/nginx-ingress-svc   ClusterIP      10.43.180.255   <none>         8080/TCP                     9m14s   k8s-app=nginx-app-ingress

NAMESPACE     NAME                                    DESIRED   CURRENT   READY   UP-TO-DATE   AVAILABLE   NODE SELECTOR   AGE   CONTAINERS             IMAGES                                                SELECTOR
kube-system   daemonset.apps/svclb-traefik-84eed549   1         1         1       1            1           <none>          13m   lb-tcp-80,lb-tcp-443   rancher/klipper-lb:v0.4.0,rancher/klipper-lb:v0.4.0   app=svclb-traefik-84eed549

NAMESPACE     NAME                                     READY   UP-TO-DATE   AVAILABLE   AGE   CONTAINERS               IMAGES                                   SELECTOR
kube-system   deployment.apps/local-path-provisioner   1/1     1            1           14m   local-path-provisioner   rancher/local-path-provisioner:v0.0.23   app=local-path-provisioner
kube-system   deployment.apps/coredns                  1/1     1            1           14m   coredns                  rancher/mirrored-coredns-coredns:1.9.4   k8s-app=kube-dns
kube-system   deployment.apps/metrics-server           1/1     1            1           14m   metrics-server           rancher/mirrored-metrics-server:v0.6.2   k8s-app=metrics-server
kube-system   deployment.apps/traefik                  1/1     1            1           13m   traefik                  rancher/mirrored-library-traefik:2.9.4   app.kubernetes.io/instance=traefik-kube-system,app.kubernetes.io/name=traefik

NAMESPACE     NAME                                                DESIRED   CURRENT   READY   AGE   CONTAINERS               IMAGES                                   SELECTOR
kube-system   replicaset.apps/local-path-provisioner-5d56847996   1         1         1       14m   local-path-provisioner   rancher/local-path-provisioner:v0.0.23   app=local-path-provisioner,pod-template-hash=5d56847996
kube-system   replicaset.apps/coredns-5c6b6c5476                  1         1         1       14m   coredns                  rancher/mirrored-coredns-coredns:1.9.4   k8s-app=kube-dns,pod-template-hash=5c6b6c5476
kube-system   replicaset.apps/metrics-server-7b67f64457           1         1         1       14m   metrics-server           rancher/mirrored-metrics-server:v0.6.2   k8s-app=metrics-server,pod-template-hash=7b67f64457
kube-system   replicaset.apps/traefik-56b8c5fb5c                  1         1         1       13m   traefik                  rancher/mirrored-library-traefik:2.9.4   app.kubernetes.io/instance=traefik-kube-system,app.kubernetes.io/name=traefik,pod-template-hash=56b8c5fb5c

NAMESPACE     NAME                                 COMPLETIONS   DURATION   AGE   CONTAINERS   IMAGES                                      SELECTOR
kube-system   job.batch/helm-install-traefik-crd   1/1           15s        14m   helm         rancher/klipper-helm:v0.7.4-build20221121   controller-uid=2a5bfb70-237c-4c27-b547-cd726a283176
kube-system   job.batch/helm-install-traefik       1/1           29s        14m   helm         rancher/klipper-helm:v0.7.4-build20221121   controller-uid=7f01edbd-bb58-4bd3-81bc-b65a9cad796d