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standby cluster that streams from a remote primary (#1830)

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* add the possibility to create a standby cluster that streams from a remote primary
* extending unit tests
* add more docs and e2e test

Co-authored-by: machine424 <ayoubmrini424@gmail.com>
This commit is contained in:
Felix Kunde
2022-04-04 15:41:11 +02:00
committed by GitHub
co-authored by machine424
parent 2dfb11ad4c
commit 0dc370f15d
12 changed files with 303 additions and 84 deletions
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docs/reference/cluster_manifest.md
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@@ -395,16 +395,22 @@ under the `clone` top-level key and do not affect the already running cluster.
## Standby cluster
On startup, an existing `standby` top-level key creates a standby Postgres
cluster streaming from a remote location. So far streaming from S3 and GCS WAL
archives is supported.
cluster streaming from a remote location - either from a S3 or GCS WAL
archive or a remote primary. Only one of options is allowed and required
if the `standby` key is present.
* **s3_wal_path**
the url to S3 bucket containing the WAL archive of the remote primary.
Optional, but `s3_wal_path` or `gs_wal_path` is required.
* **gs_wal_path**
the url to GS bucket containing the WAL archive of the remote primary.
Optional, but `s3_wal_path` or `gs_wal_path` is required.
* **standby_host**
hostname or IP address of the primary to stream from.
* **standby_port**
TCP port on which the primary is listening for connections. Patroni will
use `"5432"` if not set.
## Volume properties