tljh-dask-kubernetes

tljh-dask-kubernetes.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Set some environment variables\n",
    "# These can be automated\n",
    "import os\n",
    "with open ('/etc/DIGITALOCEAN_ACCESS_TOKEN') as f:\n",
    "    os.environ['DIGITALOCEAN_ACCESS_TOKEN'] = f.read().strip().split(':')[-1]\n",
    "\n",
    "os.environ['KUBECONFIG'] = '/etc/kubeconfig'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "ERROR:root:Cannot add child handler, the child watcher does not have a loop attached\n"
     ]
    },
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "28b04ec75a0a480da6b45ed3dc9d3643",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "VBox(children=(HTML(value='<h2>KubeCluster</h2>'), HBox(children=(HTML(value='\\n<div>\\n  <style scoped>\\n    .…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "from dask_kubernetes import KubeCluster\n",
    "from dask.distributed import Client\n",
    "import dask.array as da# Connect Dask to the cluster\n",
    "\n",
    "cluster = KubeCluster()\n",
    "cluster"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "client = Client(cluster)\n",
    "cluster.scale(3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1.0\n"
     ]
    }
   ],
   "source": [
    "array = da.ones((1000, 1000, 1000))\n",
    "print(array.mean().compute())  # Should print 1.0\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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   "display_name": "Python 3",
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
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   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
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