Add a couple missing etcd-s3 flags

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>

Author: brandond

docs/datastore/backup_restore.md

@@ -94,9 +94,12 @@ RKE2 supports replicating etcd snapshots to and restoring etcd snapshots from S3
 | `--etcd-s3-skip-ssl-verify` | Disables S3 SSL certificate validation |
 | `--etcd-s3-access-key` |  S3 access key |
 | `--etcd-s3-secret-key` | S3 secret key |
+| `--etcd-s3-session-token` | S3 session token |
 | `--etcd-s3-bucket` | S3 bucket name |
+| `--etcd-s3-bucket-lookup-type` | S3 bucket lookup type, one of 'auto', 'dns', 'path'; default is 'auto' if not set |
 | `--etcd-s3-region` | S3 region / bucket location (optional). defaults to us-east-1 |
 | `--etcd-s3-folder` | S3 folder |
+| `--etcd-s3-retention` | S3 retention limit (default: 5) |
 | `--etcd-s3-proxy` | Proxy server to use when connecting to S3, overriding any proxy-releated environment variables |
 | `--etcd-s3-insecure` | Disables S3 over HTTPS |
 | `--etcd-s3-timeout` | S3 timeout (default: `5m0s`) |

docs/reference/server_config.md

@@ -71,26 +71,24 @@ The following options must be set to the same value on all servers in the cluste
 | etcd-snapshot-retention | Number of snapshots to retain  | 5 |  |
 | etcd-snapshot-dir | Directory to save db snapshots.  | ${data-dir}/db/snapshots |  |
 | etcd-snapshot-compress | Compress etcd snapshot |  |  |
+### S3 etcd Snapshot Storage
 | etcd-s3 | Enable backup to S3 |  |  |
 | etcd-s3-endpoint | S3 endpoint url  | "s3.amazonaws.com" |  |
 | etcd-s3-endpoint-ca | S3 custom CA cert to connect to S3 endpoint |  |  |
 | etcd-s3-skip-ssl-verify | Disables S3 SSL certificate validation |  |  |
 | etcd-s3-access-key | S3 access key  |  | AWS_ACCESS_KEY_ID |
 | etcd-s3-secret-key | S3 secret key  |  | AWS_SECRET_ACCESS_KEY |
+| etcd-s3-session-token | S3 session token |  | AWS_SESSION_TOKEN |
 | etcd-s3-bucket | S3 bucket name |  |  |
+| etcd-s3-bucket-lookup-type | S3 bucket lookup type, one of 'auto', 'dns', 'path' | "auto" | |
 | etcd-s3-region | S3 region / bucket location (optional)  | "us-east-1" |  |
 | etcd-s3-folder | S3 folder |  |  |
+| etcd-s3-retention | S3 retention limit | 5 |  |
+| etcd-s3-proxy | Proxy server to use when connecting to S3, overriding any proxy-releated environment variables |  |  |
+| etcd-s3-config-secret | Name of secret in the kube-system namespace used to configure S3, if etcd-s3 is enabled and no other etcd-s3 options are set |  |  |
 | etcd-s3-insecure | Disables S3 over HTTPS |  |  |
 | etcd-s3-timeout | S3 timeout  | 5m0s |  |
 
-:::info Version Gate
-Starting in versions v1.34.0+rke2r1, v1.33.4+rke2r1, v1.32.8+rke2r1, v1.31.12+rke2r1, RKE2 includes a new flag for S3 retention. It has the same default value as the local snapshot retention.
-:::
-
-| Flag | Description | Default |
-| --- | --- | --- | 
-| etcd-s3-retention | Number of snapshots in S3 to retain | 5 |
-
 ### Flags
 | Flag | Description |
 | --- | --- |