deployment.sh

#!/usr/bin/env bash

################################################################################
### Script deploying the Observ-K8s environment
### Parameters:
### Clustern name: name of your k8s cluster
### dttoken: Dynatrace api token with ingest metrics and otlp ingest scope
### dturl : url of your DT tenant wihtout any / at the end for example: https://dedede.live.dynatrace.com
################################################################################


### Pre-flight checks for dependencies
if ! command -v jq >/dev/null 2>&1; then
    echo "Please install jq before continuing"
    exit 1
fi

if ! command -v git >/dev/null 2>&1; then
    echo "Please install git before continuing"
    exit 1
fi


if ! command -v helm >/dev/null 2>&1; then
    echo "Please install helm before continuing"
    exit 1
fi

if ! command -v kubectl >/dev/null 2>&1; then
    echo "Please install kubectl before continuing"
    exit 1
fi
echo "parsing arguments"
while [ $# -gt 0 ]; do
  case "$1" in
   --dtoperatortoken)
          DTOPERATORTOKEN="$2"
         shift 2
          ;;
       --dtingesttoken)
          DTTOKEN="$2"
         shift 2
          ;;
       --dturl)
          DTURL="$2"
         shift 2
          ;;
       --clustername)
         CLUSTERNAME="$2"
         shift 2
         ;;

  *)
    echo "Warning: skipping unsupported option: $1"
    shift
    ;;
  esac
done
echo "Checking arguments"
 if [ -z "$CLUSTERNAME" ]; then
   echo "Error: clustername not set!"
   exit 1
 fi
 if [ -z "$DTURL" ]; then
   echo "Error: Dt url not set!"
   exit 1
 fi

 if [ -z "$DTTOKEN" ]; then
   echo "Error: Data ingest api-token not set!"
   exit 1
 fi

 if [ -z "$DTOPERATORTOKEN" ]; then
   echo "Error: DT operator token not set!"
   exit 1
 fi

kubectl apply -f https://github.com/kubernetes-sigs/gateway-api/releases/download/v1.3.0/experimental-install.yaml

 # installing Ingress controller
helm install --namespace=traefik traefik traefik/traefik -f traefik/values.yaml --create-namespace --wait

#### Deploy the cert-manager
echo "Deploying Cert Manager ( for OpenTelemetry Operator)"
helm repo add jetstack https://charts.jetstack.io --force-update
helm upgrade --install cert-manager jetstack/cert-manager --namespace cert-manager \
    --set "extraArgs={--enable-gateway-api}" \
    --namespace cert-manager \
    --create-namespace \
    --version v1.17.2 \
    --set prometheus.enabled=false \
    --set crds.enabled=true
#
# Wait for pod webhook started
kubectl wait pod -l app.kubernetes.io/component=webhook -n cert-manager --for=condition=Ready --timeout=2m
# Deploy the opentelemetry operator
sleep 10
echo "Deploying the OpenTelemetry   Operator"
kubectl apply -f https://github.com/open-telemetry/opentelemetry-operator/releases/latest/download/opentelemetry-operator.yaml

kubectl apply -f https://github.com/kubernetes-sigs/gateway-api/releases/download/v1.2.1/standard-install.yaml


helm upgrade --install dapr dapr/dapr \
--version=1.15 \
--namespace dapr-system \
--create-namespace \
--set global.mtls.enabled=false \
--wait


#installing the kubezonnet project
kubectl apply -f https://raw.githubusercontent.com/polarsignals/kubezonnet/refs/heads/main/deploy/kubezonnet.yaml

### get the ip adress of ingress ####
IP=""
while [ -z $IP ]; do
  echo "Waiting for external IP"
  IP=$(kubectl get svc traefik  -n traefik -ojson | jq -j '.status.loadBalancer.ingress[].ip')
   [ -z "$IP" ] && sleep 10
done
echo 'Found external IP: '$IP



helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
helm install my-opentelemetry-ebpf open-telemetry/opentelemetry-ebpf --set cloudCollector.enabled="true" --set  endpoint.address="otel-collector.default.svc.cluster.local"
#### Deploy the Dynatrace Operator
kubectl create namespace dynatrace
kubectl apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v1.5.1/kubernetes.yaml
kubectl apply -f https://github.com/Dynatrace/dynatrace-operator/releases/download/v1.5.1/kubernetes-csi.yaml
kubectl -n dynatrace wait pod --for=condition=ready --selector=app.kubernetes.io/name=dynatrace-operator,app.kubernetes.io/component=webhook --timeout=300s
kubectl -n dynatrace create secret generic dynakube --from-literal="apiToken=$DTOPERATORTOKEN" --from-literal="dataIngestToken=$DTTOKEN"
sed -i '' "s,TENANTURL_TOREPLACE,$DTURL," dynatrace/dynakube.yaml
sed -i '' "s,CLUSTER_NAME_TO_REPLACE,$CLUSTERNAME,"  dynatrace/dynakube.yaml

### Update the ip of the ip adress for the ingres
#TODO to update this part to create the various Gateway rules
sed -i ''  "s,IP_TO_REPLACE,$IP," opentelemetry/deploy_1_12.yaml
sed -i ''  "s,IP_TO_REPLACE,$IP," opentelemetry/loadtest_job.yaml
sed -i ''  "s,IP_TO_REPLACE,$IP," Traefik/gateway.yaml
kubectl apply -f Traefik/secret.yaml
kubectl apply -f Traefik/gateway-traefik.yaml
#Deploy collector
kubectl create secret generic dynatrace  --from-literal=dynatrace_oltp_url="$DTURL" --from-literal=clustername="$CLUSTERNAME"  --from-literal=clusterid=$CLUSTERID  --from-literal=dt_api_token="$DTTOKEN"
kubectl label namespace  default oneagent=false
kubectl apply -f opentelemetry/rbac.yaml


#Install collector
kubectl apply -f opentelemetry/openTelemetry-manifest_statefulset.yaml
kubectl apply -f opentelemetry/openTelemetry-manifest_ds.yaml
#deploy demo application
kubectl apply -f dynatrace/dynakube.yaml -n dynatrace
kubectl create ns otel-demo
kubectl label namespace  otel-demo oneagent=false
kubectl apply -f dapr/config.yaml -n otel-demo
kubectl apply -f opentelemetry/deploy_1_12.yaml -n otel-demo

kubectl apply -f Traefik/traefik.yaml
kubectl apply - f Traefik/gateway.yaml
kubectl apply - f Traefik/collectorgateway.yaml



#Deploy the ingress rules
echo "--------------Demo--------------------"
echo "url of the demo: "
echo " otel-demo : http://oteldemo.$IP.nip.io"
echo "========================================================"