minio/cmd/metrics-v3-cluster-erasure-...

90 lines
3.1 KiB
Go

// Copyright (c) 2015-2024 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
"strconv"
)
const (
erasureSetOverallWriteQuorum = "overall_write_quorum"
erasureSetOverallHealth = "overall_health"
erasureSetReadQuorum = "read_quorum"
erasureSetWriteQuorum = "write_quorum"
erasureSetOnlineDrivesCount = "online_drives_count"
erasureSetHealingDrivesCount = "healing_drives_count"
erasureSetHealth = "health"
)
const (
poolIDL = "pool_id"
setIDL = "set_id"
)
var (
erasureSetOverallWriteQuorumMD = NewGaugeMD(erasureSetOverallWriteQuorum,
"Overall write quorum across pools and sets")
erasureSetOverallHealthMD = NewGaugeMD(erasureSetOverallHealth,
"Overall health across pools and sets (1=healthy, 0=unhealthy)")
erasureSetReadQuorumMD = NewGaugeMD(erasureSetReadQuorum,
"Read quorum for the erasure set in a pool", poolIDL, setIDL)
erasureSetWriteQuorumMD = NewGaugeMD(erasureSetWriteQuorum,
"Write quorum for the erasure set in a pool", poolIDL, setIDL)
erasureSetOnlineDrivesCountMD = NewGaugeMD(erasureSetOnlineDrivesCount,
"Count of online drives in the erasure set in a pool", poolIDL, setIDL)
erasureSetHealingDrivesCountMD = NewGaugeMD(erasureSetHealingDrivesCount,
"Count of healing drives in the erasure set in a pool", poolIDL, setIDL)
erasureSetHealthMD = NewGaugeMD(erasureSetHealth,
"Health of the erasure set in a pool (1=healthy, 0=unhealthy)",
poolIDL, setIDL)
)
func b2f(v bool) float64 {
if v {
return 1
}
return 0
}
// loadClusterErasureSetMetrics - `MetricsLoaderFn` for cluster storage erasure
// set metrics.
func loadClusterErasureSetMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
result, _ := c.esetHealthResult.Get()
m.Set(erasureSetOverallWriteQuorum, float64(result.WriteQuorum))
m.Set(erasureSetOverallHealth, b2f(result.Healthy))
for _, h := range result.ESHealth {
poolLV := strconv.Itoa(h.PoolID)
setLV := strconv.Itoa(h.SetID)
m.Set(erasureSetReadQuorum, float64(h.ReadQuorum),
poolIDL, poolLV, setIDL, setLV)
m.Set(erasureSetWriteQuorum, float64(h.WriteQuorum),
poolIDL, poolLV, setIDL, setLV)
m.Set(erasureSetOnlineDrivesCount, float64(h.HealthyDrives),
poolIDL, poolLV, setIDL, setLV)
m.Set(erasureSetHealingDrivesCount, float64(h.HealingDrives),
poolIDL, poolLV, setIDL, setLV)
m.Set(erasureSetHealth, b2f(h.Healthy),
poolIDL, poolLV, setIDL, setLV)
}
return nil
}