ydbops

ydbops utility is used to perform various ad-hoc and maintenance operations on YDB clusters.

For comprehensive documentation, refer to ydb.tech

Quick non-comprehensive cheatsheet:

Please browse the ydbops --help first. Then read along for examples (substitute your own values).

Restart baremetal storage hosts

ydbops restart --storage \
  --endpoint grpc://<cluster-fqdn> \
  --ssh-args=pssh,-A,-J,<bastion-fqdn>,--ycp-profile,prod,--no-yubikey \
  --verbose --hosts=<node1-fqdn>,<node2-fqdn>,<node3-fqdn>

Restarting hosts without specifying filters will restart all of them

ydbops restart --storage \
  --endpoint grpc://<cluster-fqdn> \
  --ssh-args=pssh,-A,-J,<bastion-fqdn>,--ycp-profile,prod,--no-yubikey \
  --verbose

Run hello-world on remote hosts

ydbops run \
  --endpoint grpc://<cluster-fqdn> \
  --availability-mode strong --verbose --hosts=7,8 \
  --payload ./tests/payloads/payload-echo-helloworld.sh

Restart hosts using a custom payload

ydbops run \
  --endpoint grpc://<cluster-fqdn> \
  --availability-mode strong --verbose --hosts=5,6 \
  --payload ./tests/payloads/payload-restart-ydbd.sh

Restart storage in k8s

An example of authenticating with static credentials:

export YDB_PASSWORD=password_123
ydbops restart --storage \
  --endpoint grpc://<cluster-fqdn> \
  --availability-mode strong --verbose --hosts=7,8 \
  --user jorres --kubeconfig ~/.kube/config

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For developers:

Prerequisites

• Go 1.21
• changie tool for keeping a changelog

How to build

Execute make build-in-docker, you will get binaries for Linux and MacOS, both amd and arm.

How to run tests

Ginkgo testing library is used. Do:

ginkgo test -vvv ./tests

How to develop

• develop a feature
• invoke changie new and complete a small interactive form. (Get changie from https://changie.dev )
• don't forget to changie-generated file to your PR into master branch

How to release a new version

1. Invoke Github action create-release-pr job, it will create a PR with CHANGELOG.md containing all diffs
2. After making sure that CHANGELOG.md looks nice, just merge the PR from step 1, and the commit into master will be automatically tagged, and a new release with new binaries will be automatically published!