129-azure-container-apps.sh

# Source: https://gist.github.com/013f959bdb69fe893768ce1f1960d9e1

#############################################################################
# Azure Container Apps: Containers As A Service (CaaS) Flavor Of Serverless #
# https://youtu.be/iV7WrsxExdY                                              #
#############################################################################

# Referenced videos:
# - Discussing The Real Expectations For Serverless Deployments: https://youtu.be/TvzPvj18N88

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

git clone https://github.com/vfarcic/azure-container-apps-demo

cd azure-container-apps-demo

# Install `az` (https://docs.microsoft.com/en-us/cli/azure/install-azure-cli)

az login

##############################
# Setup Azure Container Apps #
##############################

az extension add \
  --source https://workerappscliextension.blob.core.windows.net/azure-cli-extension/containerapp-0.2.0-py2.py3-none-any.whl \
  --yes

az provider register \
    --namespace Microsoft.Web

export RESOURCE_GROUP=dot-$(date +%Y%m%d%H%M%S)

export LOCATION=canadacentral

az group create \
    --name $RESOURCE_GROUP \
    --location $LOCATION

export LOG_WORKSPACE="dot-logs"

export CA_ENV="dot-env"

az monitor log-analytics workspace create \
    --resource-group $RESOURCE_GROUP \
    --workspace-name $LOG_WORKSPACE

export LOG_WORKSPACE_CLIENT_ID=$(\
    az monitor log-analytics \
    workspace show \
    --query customerId \
    --resource-group $RESOURCE_GROUP \
    --workspace-name $LOG_WORKSPACE \
    --out tsv)

export LOG_WORKSPACE_CLIENT_SECRET=$(\
    az monitor log-analytics \
    workspace get-shared-keys \
    --query primarySharedKey \
    -g $RESOURCE_GROUP \
    -n $LOG_WORKSPACE \
    --out tsv)

########################################
# Environments In Azure Container Apps #
########################################

az containerapp env create \
    --name $CA_ENV \
    --resource-group $RESOURCE_GROUP \
    --logs-workspace-id $LOG_WORKSPACE_CLIENT_ID \
    --logs-workspace-key $LOG_WORKSPACE_CLIENT_SECRET \
    --location $LOCATION

#################################
# Creating Azure Container Apps #
#################################

az containerapp create \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --environment $CA_ENV \
    --image vfarcic/devops-toolkit-series:2.7.0 \
    --target-port 80 \
    --ingress external \
    --query configuration.ingress.fqdn \
    --cpu 0.5 \
    --memory 0.25Gi \
    --max-replicas 3

az containerapp create \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --environment $CA_ENV \
    --image vfarcic/devops-toolkit-series:2.7.0 \
    --target-port 80 \
    --ingress external \
    --query configuration.ingress.fqdn \
    --cpu 0.25 \
    --memory 0.5Gi \
    --max-replicas 3

# Open it in a browser

az containerapp delete \
    --name dot \
    --resource-group $RESOURCE_GROUP

###########################################
# ARM Manifests With Azure Container Apps #
###########################################

az containerapp create --help

cat dot.json

az deployment group create \
    --resource-group $RESOURCE_GROUP \
    --template-file dot.json \
    --parameters \
      environment=$CA_ENV \
      tag=2.7.0

# Change the `maxReplicas` value to `10` in `dot.json`

az deployment group create \
    --resource-group $RESOURCE_GROUP \
    --template-file dot.json \
    --parameters \
      environment=$CA_ENV \
      tag=2.7.0

##########################################
# Observing Azure Container Applications #
##########################################

az containerapp list --output table

az containerapp show \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --output yaml

# Open the address in a browser to see the container app.

az containerapp delete \
    --name dot \
    --resource-group $RESOURCE_GROUP

az containerapp create \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --environment $CA_ENV \
    --image vfarcic/devops-toolkit-series:2.7.0 \
    --target-port 80 \
    --ingress external \
    --query configuration.ingress.fqdn \
    --cpu 0.25 \
    --memory 0.5Gi \
    --max-replicas 10

# Replace `[...]` with the application address (FQDN)
export APP_ADDR=[...]

# Open the address in a browser to see the container app.

az monitor log-analytics query \
  --workspace $LOG_WORKSPACE_CLIENT_ID \
  --analytics-query "ContainerAppConsoleLogs_CL | where ContainerAppName_s == 'dot' | project ContainerAppName_s, Log_s, TimeGenerated | take 3" \
  --out table

################################
# Scaling Azure Container Apps #
################################

# Install `ddosify` CLI from https://github.com/ddosify/ddosify/releases

ddosify -t "https://$APP_ADDR" \
    -n 1000 -d 60 -l incremental

#########################################
# Updating Azure Container Applications #
#########################################

az containerapp update \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --image vfarcic/devops-toolkit-series:3.0.0

# Progressive delivery (https://docs.microsoft.com/en-us/azure/container-apps/revisions-manage?tabs=bash#traffic-splitting)

az containerapp update \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --image vfarcic/devops-toolkit-series:4.0.0

az containerapp revision list \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --output table

# Wait for a while

az containerapp revision list \
    --name dot \
    --resource-group $RESOURCE_GROUP \
    --output table

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

az group delete --name $RESOURCE_GROUP