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Automatic merge from submit-queue Node Conformance Test: Containerize the node e2e test For #30122, #30174. Based on #32427, #32454. **Please only review the last 3 commits.** This PR packages the node e2e test into a docker image: - 1st commit: Add `NodeConformance` flag in the node e2e framework to avoid starting kubelet and collecting system logs. We do this because: - There are all kinds of ways to manage kubelet and system logs, for different situation we need to mount different things into the container, run different commands. It is hard and unnecessary to handle the complexity inside the test suite. - 2nd commit: Remove all `sudo` in the test container. We do this because: - In most container, there is no `sudo` command, and there is no need to use `sudo` inside the container. - It introduces some complexity to use `sudo` inside the test. (https://github.com/kubernetes/kubernetes/issues/29211, https://github.com/kubernetes/kubernetes/issues/26748) In fact we just need to run the test suite with `sudo`. - 3rd commit: Package the test into a docker container with corresponding `Makefile` and `Dockerfile`. We also added a `run_test.sh` script to start kubelet and run the test container. The script is only for demonstration purpose and we'll also use the script in our node e2e framework. In the future, we should update the script to start kubelet in production way (maybe with `systemd` or `supervisord`). @dchen1107 @vishh /cc @kubernetes/sig-node @kubernetes/sig-testing **Release note**: <!-- Steps to write your release note: 1. Use the release-note-* labels to set the release note state (if you have access) 2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`. --> ``` release-note Release alpha version node test container gcr.io/google_containers/node-test-ARCH:0.1 for users to verify their node setup. ```