| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package powervault |
| 4 | |
| 5 | import ( |
| 6 | "sync" |
| 7 | "time" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/plugin/go.d/collector/powervault/client" |
| 10 | ) |
| 11 | |
| 12 | const discoveryEvery = 10 |
| 13 | |
| 14 | func (c *Collector) collect() error { |
| 15 | c.runs++ |
| 16 | needsDiscovery := !c.lastDiscoveryOK || c.runs%discoveryEvery == 0 |
| 17 | wasOK := c.lastDiscoveryOK |
| 18 | |
| 19 | if needsDiscovery { |
| 20 | if err := c.discovery(); err != nil { |
| 21 | // Initial discovery must succeed. |
| 22 | if !wasOK { |
| 23 | return err |
| 24 | } |
| 25 | // Refresh failure — continue with previous data. |
| 26 | c.Warningf("discovery refresh failed, using previous data: %v", err) |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | var wg sync.WaitGroup |
| 31 | for _, fn := range []func(){ |
| 32 | c.collectControllerStats, |
| 33 | c.collectVolumeStats, |
| 34 | c.collectPortStats, |
| 35 | c.collectPhyStats, |
| 36 | } { |
| 37 | wg.Add(1) |
| 38 | go func(f func()) { |
| 39 | defer wg.Done() |
| 40 | f() |
| 41 | }(fn) |
| 42 | } |
| 43 | wg.Wait() |
| 44 | |
| 45 | // These use cached discovery data, no API calls. |
| 46 | c.collectHardwareHealth() |
| 47 | c.collectDriveMetrics() |
| 48 | c.collectSensorMetrics() |
| 49 | c.collectPoolCapacity() |
| 50 | c.collectSystemHealth() |
| 51 | |
| 52 | return nil |
| 53 | } |
| 54 | |
| 55 | func (c *Collector) discovery() error { |
| 56 | start := time.Now() |
| 57 | c.Debugf("starting discovery") |
| 58 | |
| 59 | var d discovered |
| 60 | |
| 61 | sys, err := c.client.System() |
| 62 | if err != nil { |
| 63 | c.lastDiscoveryOK = false |
| 64 | return err |
| 65 | } |
| 66 | d.system = sys |
| 67 | |
| 68 | controllers, err := c.client.Controllers() |
| 69 | if err != nil { |
| 70 | c.lastDiscoveryOK = false |
| 71 | return err |
| 72 | } |
| 73 | d.controllers = controllers |
| 74 | |
| 75 | drives, err := c.client.Drives() |
| 76 | if err != nil { |
| 77 | c.lastDiscoveryOK = false |
| 78 | return err |
| 79 | } |
| 80 | d.drives = drives |
| 81 | |
| 82 | fans, err := c.client.Fans() |
| 83 | if err != nil { |
| 84 | c.lastDiscoveryOK = false |
| 85 | return err |
| 86 | } |
| 87 | d.fans = fans |
| 88 | |
| 89 | psus, err := c.client.PowerSupplies() |
| 90 | if err != nil { |
| 91 | c.lastDiscoveryOK = false |
| 92 | return err |
| 93 | } |
| 94 | d.psus = psus |
| 95 | |
| 96 | sensors, err := c.client.Sensors() |
| 97 | if err != nil { |
| 98 | c.lastDiscoveryOK = false |
| 99 | return err |
| 100 | } |
| 101 | d.sensors = sensors |
| 102 | |
| 103 | frus, err := c.client.FRUs() |
| 104 | if err != nil { |
| 105 | c.lastDiscoveryOK = false |
| 106 | return err |
| 107 | } |
| 108 | d.frus = frus |
| 109 | |
| 110 | volumes, err := c.client.Volumes() |
| 111 | if err != nil { |
| 112 | c.lastDiscoveryOK = false |
| 113 | return err |
| 114 | } |
| 115 | d.volumes = make(map[string]client.Volume, len(volumes)) |
| 116 | for _, v := range volumes { |
| 117 | if c.volumeMatches(v.VolumeName) { |
| 118 | d.volumes[v.VolumeName] = v |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | pools, err := c.client.Pools() |
| 123 | if err != nil { |
| 124 | c.lastDiscoveryOK = false |
| 125 | return err |
| 126 | } |
| 127 | d.pools = pools |
| 128 | |
| 129 | ports, err := c.client.Ports() |
| 130 | if err != nil { |
| 131 | c.lastDiscoveryOK = false |
| 132 | return err |
| 133 | } |
| 134 | d.ports = ports |
| 135 | |
| 136 | // Atomic swap on full success. |
| 137 | c.discovered = d |
| 138 | c.lastDiscoveryOK = true |
| 139 | |
| 140 | c.Debugf("discovery: %d controllers, %d drives, %d fans, %d PSUs, %d sensors, %d FRUs, %d volumes, %d pools, %d ports (took %s)", |
| 141 | len(d.controllers), len(d.drives), len(d.fans), len(d.psus), |
| 142 | len(d.sensors), len(d.frus), len(d.volumes), len(d.pools), len(d.ports), |
| 143 | time.Since(start)) |
| 144 | |
| 145 | return nil |
| 146 | } |