naishe

Recover cluster.rkestate file from controlplane node

RKE

Run on controlplane node, uses any found hyperkube image

k8s 1.19 and higher

docker run --rm --net=host -v $(docker inspect kubelet --format '{{ range .Mounts }}{{ if eq .Destination "/etc/kubernetes" }}{{ .Source }}{{ end }}{{ end }}')/ssl:/etc/kubernetes/ssl:ro --entrypoint bash $(docker inspect $(docker images -q --filter=label=org.label-schema.vcs-url=https://github.com/rancher/hyperkube-base.git) --format='{{index .RepoTags 0}}' | tail -1) -c 'kubectl --kubeconfig /etc/kubernetes/ssl/kubecfg-kube-node.yaml -n kube-system get configmap full-cluster-state -o json | jq -r .data.\"full-cluster-state\" | jq -r .' > cluster.rkestate

naishe

Get kube-admin kubeconfig and certificates from cluster.rkestate

See how to retrieve cluster.rkestate from controlplane node here: https://gist.github.com/superseb/e9f2628d1033cb20e54f6ee268683a7a

Get kube-admin kubeconfig from cluster.rkestate

cat cluster.rkestate | jq -r '.currentState.certificatesBundle."kube-admin".config' > kube-admin-kubeconfig.yml

naishe

#!/bin/bash

# Run this on This AMI on AWS:
# https://console.aws.amazon.com/ec2/v2/home?region=us-east-1#LaunchInstanceWizard:ami=ami-b36981d8

# You should get yourself a fully working GPU enabled tensorflow installation.

cd ~

# grab cuda 7.0

naishe

// phantomjs code to log in to Amazon
// based on the code from this Stackoverflow answer: http://stackoverflow.com/questions/9246438/how-to-submit-a-form-using-phantomjs
// I'm injecting jQuery so this assumes you have jquery in your project directory

var page = new WebPage(), testindex = 0, loadInProgress = false;

page.onConsoleMessage = function(msg) {
  console.log(msg);
};

naishe

### DML ###

# Keyspace Name
keyspace: stresscql

# The CQL for creating a keyspace (optional if it already exists)
keyspace_definition: |
  CREATE KEYSPACE stresscql WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1};

# Table name