171-robusta.sh

# Source: https://gist.github.com/c5e49d457a607818fac9f53262cc91f3

##########################################################################
# Kubernetes Notifications, Troubleshooting, And Automation With Robusta #
# https://youtu.be/2P76WVVua8w                                           #
##########################################################################

# Additional Info:
# - Robusta: https://robusta.dev
# - Crossplane - GitOps-based Infrastructure as Code through Kubernetes API: https://youtu.be/n8KjVmuHm7A
# - How To Apply GitOps To Everything - Combining Argo CD And Crossplane: https://youtu.be/yrj4lmScKHQ
# - How To Shift Left Infrastructure Management Using Crossplane Compositions: https://youtu.be/AtbS1u2j7po
# - Argo Events - Event-Based Dependency Manager for Kubernetes: https://youtu.be/sUPkGChvD54

#########
# Setup #
#########

# Create a Kubernetes cluster with Ingress
# This demo was tested on Rancher Desktop, but it should work with any Kubernetes cluster
# Please watch https://youtu.be/bYVfCp9dRTE if you are not familiar with Rancher Desktop

git clone https://github.com/vfarcic/robusta-demo

cd robusta-demo

pip install -U robusta-cli --no-cache

helm repo add robusta \
    https://robusta-charts.storage.googleapis.com

helm repo update

robusta gen-config

# Follow the instructions

helm upgrade --install \
    robusta robusta/robusta \
    --values generated_values.yaml \
    --namespace robusta \
    --create-namespace \
    --wait

kubectl create namespace production

kubectl create namespace a-team

####################
# Setup Crossplane #
####################

helm repo add crossplane-stable \
    https://charts.crossplane.io/stable

helm repo update

helm upgrade --install \
    crossplane crossplane-stable/crossplane \
    --namespace crossplane-system \
    --create-namespace \
    --wait

kubectl apply \
    --filename https://raw.githubusercontent.com/vfarcic/devops-toolkit-crossplane/master/crossplane-config/config-gitops.yaml

######################
# Alerting On Issues #
######################

kubectl --namespace production apply \
    --filename k8s

##########################
# Using Custom Playbooks #
##########################

# Open https://github.com/robusta-dev/robusta/blob/master/helm/robusta/values.yaml

cat values.yaml

helm upgrade --install \
    robusta robusta/robusta \
    --values generated_values.yaml \
    --namespace robusta \
    --create-namespace \
    --wait \
    --values values.yaml

# Open k8s/deployment.yaml in an editor
#   and change the image tag to `5.0.5`

kubectl --namespace production apply \
    --filename k8s

# Open https://docs.robusta.dev/master/tutorials/my-first-custom-action.html#writing-the-action

###############################
# Triggering On Any Resource? #
###############################

cat values-crossplane.yaml

helm upgrade --install \
    robusta robusta/robusta \
    --values generated_values.yaml \
    --namespace robusta \
    --create-namespace \
    --wait \
    --values values-crossplane.yaml

cat crossplane-gitops.yaml

kubectl --namespace a-team apply \
    --filename crossplane-gitops.yaml

kubectl --namespace a-team apply \
    --filename k8s

#####################
# Scheduled Actions #
#####################

cat values-scheduled.yaml

helm upgrade --install \
    robusta robusta/robusta \
    --values generated_values.yaml \
    --namespace robusta \
    --create-namespace \
    --wait \
    --values values-scheduled.yaml

###########
# Destroy #
###########

cp orig/deployment.yaml k8s/.

# Destroy or reset the cluster