jroneil

Day 1: Introduction to GraphQL

What is GraphQL and how is it different from REST?
GraphQL concepts: schemas, types, queries, mutations, subscriptions
Setting up a GraphQL server using a library such as Apollo Server
Resources:
The official GraphQL website (https://graphql.org/learn/)
How To GraphQL (https://www.howtographql.com)
Day 2: Queries and Mutations

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PREFIX : <http://looneytunes-graph.com/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

# Bugs Bunny
:Bugs_Bunny a :Looney_Tunes_Character ;
  :name "Bugs Bunny" ;
  :species "Hare" ;
  :gender "Male" ;
  :made_debut_appearance_in :A_Wild_Hare ;

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PREFIX : <http://looneytunes-graph.com/>

CONSTRUCT {
    ?c :debuted_in ?d
}
WHERE {
    ?c a :Looney_Tunes_Character ;
        :made_debut_appearance_in ?m .
    ?m :release_date ?d 
}

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# Procedure is for Ubuntu 14.04 LTS.

# Using these guides:
# http://datacenteroverlords.com/2012/03/01/creating-your-own-ssl-certificate-authority/
# https://www.onlinesmartketer.com/2009/06/23/curl-adding-installing-trusting-new-self-signed-certificate/
# https://jamielinux.com/articles/2013/08/act-as-your-own-certificate-authority/

# Generate the root (GIVE IT A PASSWORD IF YOU'RE NOT AUTOMATING SIGNING!):
openssl genrsa -aes256 -out ca.key 2048
openssl req -new -x509 -days 7300 -key ca.key -sha256 -extensions v3_ca -out ca.crt

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Start Zookeeper server 
zookeeper-server-start.sh config/zookeeper.properties  // need to be in parent directory


<kafka dir>/bin/zookeeper-server-start.sh config/zkeeper.properties
Startr Kafka
kafka-server-start.sh config/server.properties //need to be in parent directory
<kafka dir>/bin/kafka-server-start.sh config/server.properties

Create a topic

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#Return void
CREATE  OR REPLACE FUNCTION fix_homepage() RETURNS void AS $$
	UPDATE suppliers
	SET homepage='N/A'
	WHERE homepage IS NULL;
$$ LANGUAGE SQL;
#Execute
SELECT fixx_homepage();

#Return Single value

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firewalld
sudo systemctl status firewalld
.sudo systemctl start firewalld
firewall-cmd --list-ports

 firewall-cmd --permanent --add-port=100/tcp
firewall-cmd --reload

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create a Keystore
ssh-keygen -t rsa -f ./bknifi_user  //creates public and private key

Make public key
ssh-keygen -y -f key.pem > key.pub

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Create a policy
 Reference https://relativkreativ.at/articles/how-to-compile-a-selinux-policy-package
 Create Type enforcement file (text)
 cat /var/log/audit/audit.log | audit2allow -m myapp > myapp.te
 Create modfie(binary)
          checkmodule -M -m -o myapp.mod myapp.te
 create the Policy module
          semodule_package -o myapp.pp -m myapp.mod
 load Policy Module
          semodule -i myapp.pp

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docker-compose up //starts images
docker-compose down //stops images