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Using backman

Quick deploy

Cloud Foundry specific
  1. Login to Cloud Foundry
  2. Create a service instance of an S3-compatible object storage
  3. Modify the provided manifest.yml, specify your service instance(s)
  4. Configure backman through the environment variable $BACKMAN_CONFIG (see manifest.yml example)
  5. Run cf push

See Cloud Foundry specific configuration and deployment documentation for more detailed information.

Kubernetes specific
  1. Login to your Kubernetes cluster
  2. Modify the provided full.yml or minimal.yml from the kubernetes/deploy folder
  3. Run kubectl apply -f <filename.yml>

See Kubernetes specific configuration and deployment documentation for more detailed information.

Configuration

Check out the main configuration documentation for a detailed description of every possible option for config.json or $BACKMAN_CONFIG.

The UI

backman includes a fully featured web UI which is available under <address>:8080 while running (The default port for this is 8080 unless specified otherwise through $PORT environment variable).

The main page will show you a list of all service bindings and their configuration. From there you can click on any of the services and get to a page showing you detailed information about that particular service instance, its configuration and a list of already existing backups. From there these backup files can be downloaded, restored or deleted from storage. You can also trigger a new backup on-demand on that page.

Check out the screenshots to see some examples of how this looks.

Access to the web UI can be restricted with HTTP Basic Auth by configuring a username and password, see basic auth configuration documentation on how to do this. The web UI can also be disabled entirely by setting disable_web to true.

The API

backman has an API which can be used to create and restore backups. Have a look at the Swagger documentation for a full list of all API endpoints.

Here are some examples:

GET /api/v1/state/{service_type}/{service_name}

This allows you to query the current status of a particular service within backman.

curl https://username:password@my-backman-url/api/v1/state/mysql/my_production_db | jq .

It should respond with HTTP status code 200 and a JSON representaion of the current service instance status and ongoing operation (if any). This is useful if you want to see if there is currently a backup being done, or failed, or finished.

GET /api/v1/services

This endpoint lists all services in backman.

curl https://username:password@my-backman-url/api/v1/services | jq .

It should respond with HTTP status code 200 and a JSON representaion of all currently configured service instances in backman.

POST /api/v1/backup/{service_type}/{service_name}

You can use this endpoint to trigger the creation of a new backup for a particular service.

curl -X POST https://username:password@my-backman-url/api/v1/backup/mongodb/my_document_db

It should respond with a HTTP status code 200 to indicate that the process was triggered. You could now use the above mentioned /state endpoint to continuously query for the status of the ongoing backup process.

Additionally there are also the /healthz and /metrics endpoints which serve a special purpose.

GET /healthz

The /healthz endpoint can be used in Cloud Foundry or Kubernetes for continuously checking the health of your backman container.

curl https://my-backman-url/healthz

It should respond with OK and HTTP status code 200. Anything else indicates a failed health check.

You can disable logging output for any HTTP request going to the /healthz endpoint by setting disable_health_logging to true (see JSON configuration), additionally you can also make the endpoint available without HTTP Basic Auth protection, by setting unprotected_metrics to true. Both of these options are very useful in a Kubernetes deployment in order to not spam the container logs too much by using /healthz for a readiness or liveness probe.

GET /metrics

This is the Prometheus endpoint for scraping metrics about backman.

curl https://my-backman-url/metrics

See metrics documentation for response format.

The /metrics endpoint can be disabled by setting disable_metrics to true (see JSON configuration). The endpoint can also be made available without HTTP Basic Auth protection, by setting unprotected_metrics to true. This is useful in Kubernetes deployments to allow Prometheus to scrape the endpoint without needing custom configuration for the credentials. For the same reason it also possible to disable logging output for any HTTP request going to the /metrics endpoint by setting disable_metrics_logging to true.

On-demand backup with Cloud Foundry tasks

Cloud Foundry specific

backman also supports running as a one-off task inside Cloud Foundry. Simply push the app as normal, stop it, and then run it via cf run-task with /app/backman -backup <service_name> as task command to run a backup. For restoring an existing backup you can use /app/backman -restore <service_name> -filename <backup_filename>.