Wei Zhou eb9c00f26f
CKS: fix error with pulling weaveworks images when create k8s ISO (#6368)
this fixes the error below when create K8S ISO using scripts/util/create-kubernetes-binaries-iso.sh

```
+ echo 'Downloading image weaveworks/weave-kube:latest ---'
Downloading image weaveworks/weave-kube:latest ---
+ [[ weaveworks/weave-kube:latest == kubernetesui* ]]
+ [[ weaveworks/weave-kube:latest == apache* ]]
+ sudo ctr image pull weaveworks/weave-kube:latest
INFO[0000] trying next host                              error="failed to do request: Head https://weaveworks/v2/weave-kube/manifests/latest: dial tcp: lookup weaveworks: no such host" host=weaveworks
ctr: failed to resolve reference "weaveworks/weave-kube:latest": failed to do request: Head https://weaveworks/v2/weave-kube/manifests/latest: dial tcp: lookup weaveworks: no such host
```
2022-05-10 23:11:23 -03:00
..
2022-04-21 13:40:19 -03:00
2022-04-16 00:55:11 +05:30