add emctl proposal

[Poorunga]

emctl is a CLI utility that allows users to easily use EdgeMesh.

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[Poorunga]

/hold

[Poorunga]

/assgin

[kubeedge-bot]

@Poorunga: PR needs rebase.

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[JiaweiGithub]

Hi Poorunga. Do you have any plans for emctl? I am interested in this and may be able to make some contributions. @Poorunga

[Poorunga]

@JiaweiGithub Your attention to emctl brings me great joy, and I extend a warm welcome to your willingness to engage in further discussions on this feature with us.
Initially, we envisioned that emctl could enhance the user experience for edgemesh users, primarily by focusing on streamlining usability aspects.
Currently, we have made some progress, such as the ability to swiftly deploy EdgeMesh using the helm install approach. However, I believe there is ample room for further enhancements, such as facilitating rapid configuration changes for kubeedge (cloudcore and edgecore) to accommodate Edgemesh operations. Currently, this process involves manual modifications, which has been reported as a point of feedback. Additionally, offline installation of EdgeMesh is another area of consideration. All of these ideas can be implemented within the realm of emctl.

[JiaweiGithub]

I have seen the ctl code of calico before and found it very powerful. I think emctl can do more than that, especially when Edgemesh supports podip.