add env vars (#32763)

Author: maycmlee

content/en/observability_pipelines/destinations/google_pubsub.md

@@ -114,11 +114,7 @@ Set up the Google Pub/Sub destination and its environment variables when you [se
 
 {{< img src="observability_pipelines/destinations/google_pubsub_env_var.png" alt="The install page showing the Google Pub/Sub environment variable field" style="width:70%;" >}}
 
-By default the Worker sends data to the global endpoint: `https://pubsub.googleapis.com`.
-
-If your Pub/Sub topic is region-specific, configure the Google Pub/Sub alternative endpoint URL with the regional endpoint. See [About Pub/Sub endpoints][5] for more information.
-
-Stored as the environment variable: `DD_OP_DESTINATION_GCP_PUBSUB_ENDPOINT_URL`.
+{{% observability_pipelines/configure_existing_pipelines/destination_env_vars/google_pubsub %}}
 
 ## Troubleshooting
 
@@ -163,7 +159,6 @@ A batch of events is flushed when one of these parameters is met. See [event bat
 [2]: https://cloud.google.com/docs/authentication#auth-flowchart
 [3]: https://cloud.google.com/pubsub/docs/access-control#roles
 [4]: https://console.cloud.google.com/iam-admin/serviceaccounts
-[5]: https://cloud.google.com/pubsub/docs/reference/service_apis_overview#pubsub_endpoints
 [6]: /observability_pipelines/destinations/#event-batching
 [7]:https://cloud.google.com/kubernetes-engine/docs/concepts/workload-identity
 [8]: /observability_pipelines/monitoring_and_maintenance/pipeline_usage_metrics/

content/en/observability_pipelines/destinations/kafka.md

@@ -78,22 +78,7 @@ Click **Advanced** if you want to set any of the following fields:
 
 ### Set environment variables
 
-#### Kafka bootstrap servers
-- The host and port of the Kafka bootstrap servers.
-- This is the bootstrap server that the client uses to connect to the Kafka cluster and discover all the other hosts in the cluster. The host and port must be entered in the format of `host:port`, such as `10.14.22.123:9092`. If there is more than one server, use commas to separate them.
-- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_BOOTSTRAP_SERVERS`.
-
-#### TLS (when enabled)
-
-- If TLS is enabled, the Kafka TLS passphrase is needed.
-- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_KEY_PASS`.
-
-#### SASL (when enabled)
-
-- Kafka SASL username
-	- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_SASL_USERNAME`.
-- Kafka SASL password
-	- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_SASL_PASSWORD`.
+{{% observability_pipelines/configure_existing_pipelines/destination_env_vars/kafka %}}
 
 ## librdkafka options
 

content/en/observability_pipelines/guide/environment_variables.md

@@ -39,6 +39,9 @@ Some Observability Pipelines components require setting up environment variables
 ### Logstash
 {{% observability_pipelines/configure_existing_pipelines/source_env_vars/logstash %}}
 
+### OpenTelemetry
+{{% observability_pipelines/configure_existing_pipelines/source_env_vars/opentelemetry %}}
+
 ### Socket
 
 {{% observability_pipelines/configure_existing_pipelines/source_env_vars/socket %}}
@@ -91,6 +94,12 @@ Some Observability Pipelines components require setting up environment variables
 ### Elasticsearch
 {{% observability_pipelines/configure_existing_pipelines/destination_env_vars/elasticsearch %}}
 
+### Kafka
+{{% observability_pipelines/configure_existing_pipelines/destination_env_vars/kafka %}}
+
+### Google Pub/Sub
+{{% observability_pipelines/configure_existing_pipelines/destination_env_vars/google_pubsub %}}
+
 ### HTTP Client
 {{% observability_pipelines/configure_existing_pipelines/destination_env_vars/http_client %}}
 

content/en/observability_pipelines/sources/opentelemetry.md

@@ -32,15 +32,7 @@ Optionally, toggle the switch to enable TLS. If you enable TLS, the following ce
 
 {{< img src="observability_pipelines/sources/otel_env_vars.png" alt="The install page showing the OpenTelemetry environment variable field" style="width:75%;" >}}
 
-You must provide both HTTP and gRPC endpoints. Configure your OTLP exporters to point to one of these endpoints. See [Send logs to the Observability Pipelines Worker](#send-logs-to-the-observability-pipelines-worker) for more information.
-
-- HTTP listener address
-	- The Observability Pipelines Worker listens to this socket address to receive logs from the OTel collector.
-    - Stored as the environment variable `DD_OP_SOURCE_OTEL_HTTP_ADDRESS`.
-
-- gRPC listener address
-	- The Observability Pipelines Worker listens to this socket address to receive logs from the OTel collector.
-    - Stored as the environment variable `DD_OP_SOURCE_OTEL_GRPC_ADDRESS`.
+{{% observability_pipelines/configure_existing_pipelines/source_env_vars/splunk_hec %}}
 
 ## Send logs to the Observability Pipelines Worker
 

content/en/observability_pipelines/sources/socket.md

@@ -15,4 +15,8 @@ Select and set up this source when you [set up a pipeline][1]. The information b
 
 {{% observability_pipelines/source_settings/socket %}}
 
+## Set the environment variables
+
+{{% observability_pipelines/configure_existing_pipelines/source_env_vars/socket %}}
+
 [1]: /observability_pipelines/configuration/set_up_pipelines/

layouts/shortcodes/observability_pipelines/configure_existing_pipelines/destination_env_vars/google_pubsub.en.md

@@ -0,0 +1,7 @@
+By default the Worker sends data to the global endpoint: `https://pubsub.googleapis.com`.
+
+If your Pub/Sub topic is region-specific, configure the Google Pub/Sub alternative endpoint URL with the regional endpoint. See [About Pub/Sub endpoints][10240] for more information.
+
+Stored as the environment variable: `DD_OP_DESTINATION_GCP_PUBSUB_ENDPOINT_URL`.
+
+[10240]: https://cloud.google.com/pubsub/docs/reference/service_apis_overview#pubsub_endpoints

layouts/shortcodes/observability_pipelines/configure_existing_pipelines/destination_env_vars/kafka.en.md

@@ -0,0 +1,16 @@
+#### Kafka bootstrap servers
+- The host and port of the Kafka bootstrap servers.
+- This is the bootstrap server that the client uses to connect to the Kafka cluster and discover all the other hosts in the cluster. The host and port must be entered in the format of `host:port`, such as `10.14.22.123:9092`. If there is more than one server, use commas to separate them.
+- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_BOOTSTRAP_SERVERS`.
+
+#### TLS (when enabled)
+
+- If TLS is enabled, the Kafka TLS passphrase is needed.
+- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_KEY_PASS`.
+
+#### SASL (when enabled)
+
+- Kafka SASL username
+	- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_SASL_USERNAME`.
+- Kafka SASL password
+	- Stored as the environment variable: `DD_OP_DESTINATION_KAFKA_SASL_PASSWORD`.

layouts/shortcodes/observability_pipelines/configure_existing_pipelines/source_env_vars/opentelemetry.en.md

@@ -0,0 +1,11 @@
+You must provide both HTTP and gRPC endpoints. Configure your OTLP exporters to point to one of these endpoints. See [Send logs to the Observability Pipelines Worker][10230] for more information.
+
+- HTTP listener address
+	- The Observability Pipelines Worker listens to this socket address to receive logs from the OTel collector.
+    - Stored as the environment variable `DD_OP_SOURCE_OTEL_HTTP_ADDRESS`.
+
+- gRPC listener address
+	- The Observability Pipelines Worker listens to this socket address to receive logs from the OTel collector.
+    - Stored as the environment variable `DD_OP_SOURCE_OTEL_GRPC_ADDRESS`.
+
+    [10230]: /observability_pipelines/sources/opentelemetry/#send-logs-to-the-observability-pipelines-worker

layouts/shortcodes/observability_pipelines/configure_existing_pipelines/source_env_vars/socket.md

@@ -1,7 +1,6 @@
 - Socket address:
 	- The address and port where the Observability Pipelines Worker listens for incoming logs.
-	- Stored as the environment variable `DD_OP_SOURCE_SOCKET_ADDRESS`
+	- Stored as the environment variable `DD_OP_SOURCE_SOCKET_ADDRESS`.
 
-- TLS passphrase:
-        - Used if TLS is enabled.
+- TLS passphrase (when enabled)
 	- Stored as the environment variable `DD_OP_SOURCE_SOCKET_KEY_PASS`.