deploy-remote-otel.sh

#!/bin/bash

set -euo pipefail
trap 's=$?; echo >&2 "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR

for cmd in "kubectl" "helm" "linkerd" "jq"; do
  type $cmd >/dev/null 2>&1 || { echo >&2 "$cmd required but it's not installed; aborting."; exit 1; }
done

CENTRAL=${CENTRAL-lgtm-central}
CERT_ISSUER_ID=${CERT_ISSUER_ID-issuer-otel}
CONTEXT=${CONTEXT-lgtm-remote-otel}
SUBNET=${SUBNET-232} # For Cilium L2/LB (must be unique across all clusters)
WORKERS=${WORKERS-1}
CLUSTER_ID=${CLUSTER_ID-3} # Unique on each cluster
POD_CIDR=${POD_CIDR-10.31.0.0/16} # Unique on each cluster
SVC_CIDR=${SVC_CIDR-10.32.0.0/16} # Unique on each cluster
CILIUM_CLUSTER_MESH_ENABLED=${CILIUM_CLUSTER_MESH_ENABLED-no} # no for Linkerd or Istio, yes for Cilium CM
ISTIO_ENABLED=${ISTIO_ENABLED-no} # no for Linkerd, yes for Istio
APP_NS="otel" # Used by deploy-mesh.sh

echo "Deploying Kubernetes"
. deploy-kind.sh

echo "Deploying Prometheus CRDs"
helm upgrade --install prometheus-crds prometheus-community/prometheus-operator-crds

echo "Deploying Mesh"
FILES=("values-opentelemetry-demo.yaml" "values-prometheus-remote-otel.yaml")
. deploy-mesh.sh

echo "Deploying Prometheus (for local Kubernetes Metrics)"
helm upgrade --install monitor prometheus-community/kube-prometheus-stack \
  -n observability -f values-prometheus-common.yaml -f /tmp/values-prometheus-remote-otel.yaml --wait

echo "Deploying OpenTelemetry Demo application"
helm upgrade --install demo open-telemetry/opentelemetry-demo \
  -n ${APP_NS} -f /tmp/values-opentelemetry-demo.yaml
kubectl rollout status -n otel deployment/demo-otelcol