Reduce the number of kind nodes to 3

[cwen0]

Signed-off-by: cwen0 [email protected]

What problem does this PR solve?

Kind failed to create a cluster with

ERROR: failed to create cluster: failed to generate kubeadm config content: failed to get kubernetes version from node: failed to get file: command "docker exec --privileged kind-worker4 cat /kind/version" fa
iled with error: exit status 1

Output:
Error response from daemon: Container 46030848638d5695df3b1184d77fcb8502a1241548d2e9e8108201da6a3e11e7 is not running

Stack Trace:
sigs.k8s.io/kind/pkg/errors.WithStack
        /src/pkg/errors/errors.go:51
sigs.k8s.io/kind/pkg/exec.(*LocalCmd).Run
        /src/pkg/exec/local.go:116
sigs.k8s.io/kind/pkg/cluster/internal/providers/docker.(*nodeCmd).Run
        /src/pkg/cluster/internal/providers/docker/node.go:130
sigs.k8s.io/kind/pkg/exec.CombinedOutputLines
        /src/pkg/exec/helpers.go:67
sigs.k8s.io/kind/pkg/cluster/nodeutils.KubeVersion
        /src/pkg/cluster/nodeutils/util.go:58
sigs.k8s.io/kind/pkg/cluster/internal/create/actions/config.getKubeadmConfig
        /src/pkg/cluster/internal/create/actions/config/config.go:172
sigs.k8s.io/kind/pkg/cluster/internal/create/actions/config.(*Action).Execute.func1.1
        /src/pkg/cluster/internal/create/actions/config/config.go:84
sigs.k8s.io/kind/pkg/errors.UntilErrorConcurrent.func1
        /src/pkg/errors/concurrent.go:30
runtime.goexit
        /usr/local/go/src/runtime/asm_amd64.s:1357

What is changed and how does it work?

reduce the number of the kind node to 3

Check List

Tests

• Unit test
• E2E test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has Go code change
• Has CI related scripts change
• Has Terraform scripts change

Side effects

• Breaking backward compatibility

Related changes

• Need to update the documentation

Does this PR introduce a user-facing change?:

NONE

[zhouqiang-cl]

LGTM

[ethercflow]

LGTM