generate_certificate.sh

#!/bin/bash

set -o errexit
set -o nounset
#set -o pipefail

mkdir -p /tmp/certs

# CREATE THE PRIVATE KEY FOR OUR CUSTOM CA
openssl genrsa -out /tmp/certs/ca.key 2048

# GENERATE A CA CERT WITH THE PRIVATE KEY
openssl req -new -x509 -key /tmp/certs/ca.key -out /tmp/certs/ca.crt -config /tmp/certs/ca_config.txt

# CREATE THE PRIVATE KEY FOR OUR GRUMPY SERVER
openssl genrsa -out /tmp/certs/grumpy-key.pem 2048

# CREATE A CSR FROM THE CONFIGURATION FILE AND OUR PRIVATE KEY
openssl req -new -key /tmp/certs/grumpy-key.pem -subj "/CN=guard-service.devtroncd.svc" -out /tmp/grumpy.csr -config /tmp/certs/grumpy_config.txt

# CREATE THE CERT SIGNING THE CSR WITH THE CA CREATED BEFORE
openssl x509 -req -in /tmp/grumpy.csr -CA /tmp/certs/ca.crt -CAkey /tmp/certs/ca.key -CAcreateserial -out /tmp/certs/grumpy-crt.pem

# INJECT CA IN THE WEBHOOK CONFIGURATION
# export CA_BUNDLE=$(cat certs/ca.crt | base64 | tr -d '\n')
#cat _manifest_.yaml | envsubst > manifest.yaml