184 lines
8.5 KiB
Markdown
184 lines
8.5 KiB
Markdown
# Bitnami package for Elasticsearch Exporter
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## What is Elasticsearch Exporter?
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> Prometheus exporter for various metrics about Elasticsearch, written in Go.
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[Overview of Elasticsearch Exporter](https://github.com/prometheus-community/elasticsearch_exporter)
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Trademarks: This software listing is packaged by Bitnami. The respective trademarks mentioned in the offering are owned by the respective companies, and use of them does not imply any affiliation or endorsement.
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## TL;DR
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```console
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docker run --name elasticsearch-exporter bitnami/elasticsearch-exporter:latest
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```
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## Why use Bitnami Images?
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* Bitnami closely tracks upstream source changes and promptly publishes new versions of this image using our automated systems.
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* With Bitnami images the latest bug fixes and features are available as soon as possible.
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* Bitnami containers, virtual machines and cloud images use the same components and configuration approach - making it easy to switch between formats based on your project needs.
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* All our images are based on [**minideb**](https://github.com/bitnami/minideb) -a minimalist Debian based container image that gives you a small base container image and the familiarity of a leading Linux distribution- or **scratch** -an explicitly empty image-.
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* All Bitnami images available in Docker Hub are signed with [Notation](https://notaryproject.dev/). [Check this post](https://blog.bitnami.com/2024/03/bitnami-packaged-containers-and-helm.html) to know how to verify the integrity of the images.
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* Bitnami container images are released on a regular basis with the latest distribution packages available.
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Looking to use Elasticsearch Exporter in production? Try [VMware Tanzu Application Catalog](https://bitnami.com/enterprise), the commercial edition of the Bitnami catalog.
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## Why use a non-root container?
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Non-root container images add an extra layer of security and are generally recommended for production environments. However, because they run as a non-root user, privileged tasks are typically off-limits. Learn more about non-root containers [in our docs](https://techdocs.broadcom.com/us/en/vmware-tanzu/application-catalog/tanzu-application-catalog/services/tac-doc/apps-tutorials-work-with-non-root-containers-index.html).
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## Only the latest stable branch maintained in the free Bitnami catalog
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Starting December 10th, 2024, only the latest stable branch of each container image will receive updates in the free Bitnami catalog. To access up-to-date releases for all upstream-supported branches (e.g., LTS), consider upgrading to Bitnami Premium. Previously released versions will not be deleted and will remain available for pulling from DockerHub.
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Please check the Bitnami Premium page in our partner [Arrow Electronics](https://www.arrow.com/globalecs/na/vendors/bitnami?utm_source=GitHub&utm_medium=containers) for more information.
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## Supported tags and respective `Dockerfile` links
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Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://techdocs.broadcom.com/us/en/vmware-tanzu/application-catalog/tanzu-application-catalog/services/tac-doc/apps-tutorials-understand-rolling-tags-containers-index.html).
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You can see the equivalence between the different tags by taking a look at the `tags-info.yaml` file present in the branch folder, i.e `bitnami/ASSET/BRANCH/DISTRO/tags-info.yaml`.
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Subscribe to project updates by watching the [bitnami/containers GitHub repo](https://github.com/bitnami/containers).
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## Get this image
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The recommended way to get the Bitnami Elasticsearch Exporter Docker Image is to pull the prebuilt image from the [Docker Hub Registry](https://hub.docker.com/r/bitnami/elasticsearch-exporter).
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```console
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docker pull bitnami/elasticsearch-exporter:latest
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```
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To use a specific version, you can pull a versioned tag. You can view the [list of available versions](https://hub.docker.com/r/bitnami/elasticsearch-exporter/tags/) in the Docker Hub Registry.
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```console
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docker pull bitnami/elasticsearch-exporter:[TAG]
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```
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If you wish, you can also build the image yourself by cloning the repository, changing to the directory containing the Dockerfile and executing the `docker build` command. Remember to replace the `APP`, `VERSION` and `OPERATING-SYSTEM` path placeholders in the example command below with the correct values.
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```console
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git clone https://github.com/bitnami/containers.git
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cd bitnami/APP/VERSION/OPERATING-SYSTEM
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docker build -t bitnami/APP:latest .
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```
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## Connecting to other containers
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Using [Docker container networking](https://docs.docker.com/engine/userguide/networking/), a different server running inside a container can easily be accessed by your application containers and vice-versa.
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Containers attached to the same network can communicate with each other using the container name as the hostname.
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### Using the Command Line
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#### Step 1: Create a network
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```console
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docker network create elasticsearch-exporter-network --driver bridge
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```
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#### Step 2: Launch the Elasticsearch Exporter container within your network
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Use the `--network <NETWORK>` argument to the `docker run` command to attach the container to the `elasticsearch-exporter-network` network.
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```console
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docker run --name elasticsearch-exporter-node1 --network elasticsearch-exporter-network bitnami/elasticsearch-exporter:latest
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```
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#### Step 3: Run another containers
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We can launch another containers using the same flag (`--network NETWORK`) in the `docker run` command. If you also set a name to your container, you will be able to use it as hostname in your network.
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## Configuration
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To get a list of all the configuration option running
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```console
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elasticsearch-exporter --help
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```
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In `/metrics` you can find the exported metrics.
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## Logging
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The Bitnami elasticsearch-exporter Docker image sends the container logs to the `stdout`. To view the logs:
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```console
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docker logs elasticsearch-exporter
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```
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You can configure the containers [logging driver](https://docs.docker.com/engine/admin/logging/overview/) using the `--log-driver` option if you wish to consume the container logs differently. In the default configuration docker uses the `json-file` driver.
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## Maintenance
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### Upgrade this image
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Bitnami provides up-to-date versions of elasticsearch-exporter, including security patches, soon after they are made upstream. We recommend that you follow these steps to upgrade your container.
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#### Step 1: Get the updated image
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```console
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docker pull bitnami/elasticsearch-exporter:latest
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```
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#### Step 2: Stop and backup the currently running container
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Stop the currently running container using the command
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```console
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docker stop elasticsearch-exporter
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```
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Next, take a snapshot of the persistent volume `/path/to/elasticsearch-exporter-persistence` using:
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```console
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rsync -a /path/to/elasticsearch-exporter-persistence /path/to/elasticsearch-exporter-persistence.bkp.$(date +%Y%m%d-%H.%M.%S)
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```
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You can use this snapshot to restore the database state should the upgrade fail.
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#### Step 3: Remove the currently running container
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```console
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docker rm -v elasticsearch-exporter
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```
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#### Step 4: Run the new image
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Re-create your container from the new image, restoring your backup if necessary.
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```console
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docker run --name elasticsearch-exporter bitnami/elasticsearch-exporter:latest
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```
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## Notable Changes
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### Starting January 16, 2024
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* The `docker-compose.yaml` file has been removed, as it was solely intended for internal testing purposes.
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## Contributing
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We'd love for you to contribute to this container. You can request new features by creating an [issue](https://github.com/bitnami/containers/issues) or submitting a [pull request](https://github.com/bitnami/containers/pulls) with your contribution.
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## Issues
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If you encountered a problem running this container, you can file an [issue](https://github.com/bitnami/containers/issues/new/choose). For us to provide better support, be sure to fill the issue template.
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## License
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Copyright © 2025 Broadcom. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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<http://www.apache.org/licenses/LICENSE-2.0>
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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