{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Day 2 Course Notes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from rediscluster import StrictRedisCluster\n",
    "startup_nodes = [{\"host\": \"127.0.0.1\", \"port\": \"7001\"}]\n",
    "messenger_cluster = StrictRedisCluster(startup_nodes=startup_nodes, decode_responses=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'127.0.0.1:7001': 0,\n",
       " '127.0.0.1:7002': 0,\n",
       " '127.0.0.1:7003': 0,\n",
       " '127.0.0.1:7004': 0,\n",
       " '127.0.0.1:7005': 0,\n",
       " '127.0.0.1:7006': 0}"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "messenger_cluster.dbsize()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "person_consumer = messenger_cluster.pubsub()\n",
    "person_consumer.subscribe(\"chat_room\")\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'channel': 'chat_room',\n",
       " 'data': 'with great message\\n',\n",
       " 'pattern': None,\n",
       " 'type': 'message'}"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "person_consumer.get_message()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "person_consumer.subscribe(\"chat_room\", \"chat_breakroom\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import redis\n",
    "cloud_redis = redis.StrictRedis(host='159.203.239.23')\n",
    "cloud_redis.dbsize()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "slave_redis = redis.StrictRedis(host='159.203.239.23', port=6380)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "slave_redis.dbsize()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "slave_redis.slaveof(host='159.203.239.23', port=6379)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "cloud_redis.set(\"master-key\", \"This is a master key\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "slave_redis.keys(\"*\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[b'master-key']"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "cloud_redis.keys(\"*\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "d006f1a90249474274c76f5be725b8f5804a346b\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "[b'Happy', b'Lucky']"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import redis\n",
    "vm_redis = redis.StrictRedis()\n",
    "lua_script = \"return {KEYS[1], ARGV[1]}\"\n",
    "saved_sha1 = vm_redis.script_load(lua_script)\n",
    "print(saved_sha1)\n",
    "vm_redis.evalsha(saved_sha1, 1, \"Happy\", \"Lucky\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "EVALSHA a42"
   ]
  }
 ],
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