Add docker demo to opensearchexporter

Signed-off-by: acarbonetto <[email protected]>

exporter/opensearchexporter/Makefile

@@ -1 +1,8 @@
 include ../../Makefile.Common
+
+local-run-example:
+	cd ../../ && make docker-otelcontribcol
+	cd demo && docker-compose up -d
+recreate-otel-collector:
+	cd ../../ && GOOS=linux go build -o ./local/otelcontribcol ./cmd/otelcontribcol
+	cd demo && docker-compose up --build otelcollector

exporter/opensearchexporter/demo/docker-compose.yaml

@@ -0,0 +1,78 @@
+version: "3"
+
+networks:
+  otel-opensearch:
+
+services:
+  opensearch-node:
+    image: opensearchproject/opensearch:latest
+#    image: opensearchproject/opensearch-dashboards:latest
+    container_name: opensearch-node
+#    container_name: opensearch-node-dashboard
+
+    environment:
+      - cluster.name=opensearch-cluster # Name the cluster
+      - node.name=opensearch-node # Name the node that will run in this container
+      - discovery.type=single-node # Nodes to look for when discovering the cluster
+      - bootstrap.memory_lock=true # Disable JVM heap memory swapping
+      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # Set min and max JVM heap sizes to at least 50% of system RAM
+      - "DISABLE_SECURITY_PLUGIN=true"
+    ulimits:
+      memlock:
+        soft: -1 # Set memlock to unlimited (no soft or hard limit)
+        hard: -1
+      nofile:
+        soft: 65536 # Maximum number of open files for the opensearch user - set to at least 65536
+        hard: 65536
+    ports:
+      - "9200:9200"
+      - "9600:9600"
+#      - "5601:5601"
+    networks:
+      - otel-opensearch
+
+  otelcontribcol:
+    # Uncomment the next line to use a preexisting image
+    image: otelcontribcol:latest
+    container_name: otelcontribcol
+    command:
+      - "--config=/etc/otelcontribcol-config.yaml"
+      - "--set=service.telemetry.logs.level=INFO"
+    volumes:
+      - ./otelcontribcol-config.yaml:/etc/otelcontribcol-config.yaml
+    ports:
+      - "4317:4317"   # otlp receiver
+    depends_on:
+      - opensearch-node
+    networks:
+      - otel-opensearch
+
+  demo-client:
+    build:
+      dockerfile: Dockerfile
+      context: ../../../examples/demo/client
+    container_name: demo-client
+    restart: always
+    environment:
+      - OTEL_EXPORTER_OTLP_ENDPOINT=otelcontribcol:4317
+      - DEMO_SERVER_ENDPOINT=http://demo-server:7080/hello
+    depends_on:
+      - demo-server
+    networks:
+      - otel-opensearch
+
+  demo-server:
+    build:
+      dockerfile: Dockerfile
+      context: ../../../examples/demo/server
+    container_name: demo-server
+    restart: always
+    environment:
+      - OTEL_EXPORTER_OTLP_ENDPOINT=otelcontribcol:4317
+    ports:
+      - "7080"
+    depends_on:
+      - otelcontribcol
+    networks:
+      - otel-opensearch
+

exporter/opensearchexporter/demo/otelcontribcol-config.yaml

@@ -0,0 +1,37 @@
+processors:
+  batch:
+    send_batch_size: 100000
+    timeout: 5s
+  memory_limiter:
+    check_interval: 2s
+    limit_mib: 1800
+    spike_limit_mib: 500
+  resource:
+    attributes:
+      - key: service.name
+        value: "opensearch-exporter-demo"
+        action: upsert
+exporters:
+  opensearch:
+    http:
+      endpoint: http://opensearch-node:9200
+
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+
+extensions:
+  health_check:
+  pprof:
+  zpages:
+  memory_ballast:
+    size_mib: 1000
+
+service:
+  pipelines:
+    traces:
+      processors: [ memory_limiter, resource, batch ]
+      exporters: [ opensearch ]
+      receivers: [ otlp ]