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Add an option to automatically cleanup after successful meta migration (#19928) 

Signed-off-by: Edward Zeng <jie.zeng@zilliz.com>

Signed-off-by: Edward Zeng <jie.zeng@zilliz.com>
pull/19979/head
edward.zeng 2022-10-20 15:17:27 +08:00 committed by GitHub
parent 0095869d5b
commit cfdcf77277
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2 changed files with 24 additions and 10 deletions
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27
deployments/migrate-meta/README.md
View File

@ -10,15 +10,16 @@ Milvus 2.2 has changed the meta structure for segment index. If you have install
## Parameter Description
| Parameters | Description | Default | Required |
| ---------- | ------------------------------------------------- | ---------------------------- | ----------------------- |
| i | Specify the milvus instance name | None | true |
| n | Specify the namespace that milvus is installed in | default | false |
| s | Specify the milvus source version | None | true |
| t | Specify the milvus target version | None | true |
| r | Specify the milvus meta root path | by-dev | false |
| w | Specify the milvus new image tag | milvusdb/milvus:v2.2.0 | false |
| o | Specify the meta migration operation | migrate | false |
| Parameters | Description | Default | Required |
| ---------- | ---------------------------------------------------------------- | ---------------------------- | ----------------------- |
| i | Specify the milvus instance name | None | true |
| n | Specify the namespace that milvus is installed in | default | false |
| s | Specify the milvus source version | None | true |
| t | Specify the milvus target version | None | true |
| r | Specify the milvus meta root path | by-dev | false |
| w | Specify the milvus new image tag | milvusdb/milvus:v2.2.0 | false |
| o | Specify the meta migration operation | migrate | false |
| d | Whether delete migration pod after successful migration | false | false |
> By default, the script only migrate from v2.1.x to v2.2.x. If there is anything wrong, you'd first rollback to the older version using the `rollback` operation.
## Migrate Procedures
@ -58,7 +59,13 @@ The migration will take four steps:
./migrate.sh -i my-release -n milvus -s 2.1.1 -t 2.2.0 -r by-dev -w milvusdb/milvus:master-20221016-15878781
```
5. If the migrate is failed, you'd first rollback migration and rerun migrate again.
5. If you want to automatically remove the migration pod after successful migration, plese specify `-d true`.
```shell
./migrate.sh -i my-release -n milvus -s 2.1.1 -t 2.2.0 -w milvusdb/milvus:master-20221016-15878781 -d true
```
6. If the migrate is failed, you'd first rollback migration and rerun migrate again.
```
./migrate.sh -i my-release -n milvus -s 2.1.1 -t 2.2.0 -r by-dev -o rollback -w <milvus-2-1-1-image>

7
deployments/migrate-meta/migrate.sh
View File

@ -4,6 +4,7 @@ namespace="default"
root_path="by-dev"
operation="migrate"
image_tag="milvusdb/milvus:v2.2.0"
remove_migrate_pod_after_migrate="false"
#-n namespace: The namespace that Milvus is installed in.
#-i milvus_instance: The name of milvus instance.
@ -22,6 +23,7 @@ do
r) root_path=$OPTARG;;
w) image_tag=$OPTARG;;
o) operation=$OPTARG;;
d) remove_migrate_pod_after_migrate=$OPTARG;;
*) echo "Unkonwen parameters";;
esac
done
@ -415,6 +417,11 @@ else
echo
echo "Upgrading is done. Waiting for milvus components to be ready again..."
wait_for_milvus_ready
if [ "$remove_migrate_pod_after_migrate" == "true" ]; then
kubectl delete pods -n $namespace "milvus-meta-migration-backup-${instance_name}" "milvus-meta-migration-${instance_name}"
kubectl delete pvc -n $namespace "milvus-meta-migration-backup-${instance_name}"
kubectl delete configmap -n $namespace "milvus-meta-migration-config-${instance_name}"
fi
echo "All milvus components are running. Enjoy your vector search..."
;;
rollback)