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feat: decommission feature for pools (#14012)

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```
λ mc admin decommission start alias/ http://minio{1...2}/data{1...4}
```

```
λ mc admin decommission status alias/
┌─────┬─────────────────────────────────┬──────────────────────────────────┬────────┐
│ ID  │ Pools                           │ Capacity                         │ Status │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Active │
│ 2nd │ http://minio{3...4}/data{1...4} │ 329 GiB (used) / 421 GiB (total) │ Active │
└─────┴─────────────────────────────────┴──────────────────────────────────┴────────┘
```

```
λ mc admin decommission status alias/ http://minio{1...2}/data{1...4}
Progress: ===================> [1GiB/sec] [15%] [4TiB/50TiB]
Time Remaining: 4 hours (started 3 hours ago)
```

```
λ mc admin decommission status alias/ http://minio{1...2}/data{1...4}
ERROR: This pool is not scheduled for decommissioning currently.
```

```
λ mc admin decommission cancel alias/
┌─────┬─────────────────────────────────┬──────────────────────────────────┬──────────┐
│ ID  │ Pools                           │ Capacity                         │ Status   │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Draining │
└─────┴─────────────────────────────────┴──────────────────────────────────┴──────────┘
```

> NOTE: Canceled decommission will not make the pool active again, since we might have
> Potentially partial duplicate content on the other pools, to avoid this scenario be
> very sure to start decommissioning as a planned activity.

```
λ mc admin decommission cancel alias/ http://minio{1...2}/data{1...4}
┌─────┬─────────────────────────────────┬──────────────────────────────────┬────────────────────┐
│ ID  │ Pools                           │ Capacity                         │ Status             │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Draining(Canceled) │
└─────┴─────────────────────────────────┴──────────────────────────────────┴────────────────────┘
```
This commit is contained in:
Harshavardhana
2022-01-10 09:07:49 -08:00
committed by GitHub
parent dabb058167
commit 76b21de0c6
24 changed files with 2692 additions and 328 deletions
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8
cmd/admin-router.go
View File

@@ -74,8 +74,14 @@ func registerAdminRouter(router *mux.Router, enableConfigOps bool) {
adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/").HandlerFunc(gz(httpTraceAll(adminAPI.HealHandler)))
adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/{bucket}").HandlerFunc(gz(httpTraceAll(adminAPI.HealHandler)))
adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/{bucket}/{prefix:.*}").HandlerFunc(gz(httpTraceAll(adminAPI.HealHandler)))
adminRouter.Methods(http.MethodPost).Path(adminVersion + "/background-heal/status").HandlerFunc(gz(httpTraceAll(adminAPI.BackgroundHealStatusHandler)))
// Pool operations
adminRouter.Methods(http.MethodGet).Path(adminVersion + "/pools/list").HandlerFunc(gz(httpTraceAll(adminAPI.ListPools)))
adminRouter.Methods(http.MethodGet).Path(adminVersion+"/pools/status").HandlerFunc(gz(httpTraceAll(adminAPI.StatusPool))).Queries("pool", "{pool:.*}")
adminRouter.Methods(http.MethodPost).Path(adminVersion+"/pools/decommission").HandlerFunc(gz(httpTraceAll(adminAPI.StartDecommission))).Queries("pool", "{pool:.*}")
adminRouter.Methods(http.MethodPost).Path(adminVersion+"/pools/cancel").HandlerFunc(gz(httpTraceAll(adminAPI.CancelDecommission))).Queries("pool", "{pool:.*}")
}
// Profiling operations