check if 'plugins' key exists in calico_cni_config object (#7717)
check if 'plugins' key exists in calico_cni_config object (#7717)

* check if 'plugins' key exists in calico_cni_config object

* fix whitespace linting error

* fixed when list indentation
kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,Atoms/kubespray,kubernetes-sigs/kubespray,kubernetes-incubator/kubespray,Atoms/kubespray,kubernetes-incubator/kubespray