| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | //go:build linux || freebsd || openbsd || netbsd || dragonfly |
| 4 | |
| 5 | package zfspool |
| 6 | |
| 7 | import ( |
| 8 | "fmt" |
| 9 | "strings" |
| 10 | |
| 11 | "github.com/netdata/netdata/go/plugins/plugin/framework/collectorapi" |
| 12 | ) |
| 13 | |
| 14 | const ( |
| 15 | prioZpoolHealthState = 2820 + iota |
| 16 | prioVdevHealthState |
| 17 | |
| 18 | prioZpoolSpaceUtilization |
| 19 | prioZpoolSpaceUsage |
| 20 | |
| 21 | prioZpoolFragmentation |
| 22 | ) |
| 23 | |
| 24 | var zpoolChartsTmpl = collectorapi.Charts{ |
| 25 | zpoolHealthStateChartTmpl.Copy(), |
| 26 | |
| 27 | zpoolSpaceUtilizationChartTmpl.Copy(), |
| 28 | zpoolSpaceUsageChartTmpl.Copy(), |
| 29 | |
| 30 | zpoolFragmentationChartTmpl.Copy(), |
| 31 | } |
| 32 | |
| 33 | var ( |
| 34 | zpoolHealthStateChartTmpl = collectorapi.Chart{ |
| 35 | ID: "zfspool_%s_health_state", |
| 36 | Title: "Zpool health state", |
| 37 | Units: "state", |
| 38 | Fam: "health", |
| 39 | Ctx: "zfspool.pool_health_state", |
| 40 | Type: collectorapi.Line, |
| 41 | Priority: prioZpoolHealthState, |
| 42 | Dims: collectorapi.Dims{ |
| 43 | {ID: "zpool_%s_health_state_online", Name: "online"}, |
| 44 | {ID: "zpool_%s_health_state_degraded", Name: "degraded"}, |
| 45 | {ID: "zpool_%s_health_state_faulted", Name: "faulted"}, |
| 46 | {ID: "zpool_%s_health_state_offline", Name: "offline"}, |
| 47 | {ID: "zpool_%s_health_state_unavail", Name: "unavail"}, |
| 48 | {ID: "zpool_%s_health_state_removed", Name: "removed"}, |
| 49 | {ID: "zpool_%s_health_state_suspended", Name: "suspended"}, |
| 50 | }, |
| 51 | } |
| 52 | |
| 53 | zpoolSpaceUtilizationChartTmpl = collectorapi.Chart{ |
| 54 | ID: "zfspool_%s_space_utilization", |
| 55 | Title: "Zpool space utilization", |
| 56 | Units: "percentage", |
| 57 | Fam: "space usage", |
| 58 | Ctx: "zfspool.pool_space_utilization", |
| 59 | Type: collectorapi.Area, |
| 60 | Priority: prioZpoolSpaceUtilization, |
| 61 | Dims: collectorapi.Dims{ |
| 62 | {ID: "zpool_%s_cap", Name: "utilization"}, |
| 63 | }, |
| 64 | } |
| 65 | zpoolSpaceUsageChartTmpl = collectorapi.Chart{ |
| 66 | ID: "zfspool_%s_space_usage", |
| 67 | Title: "Zpool space usage", |
| 68 | Units: "bytes", |
| 69 | Fam: "space usage", |
| 70 | Ctx: "zfspool.pool_space_usage", |
| 71 | Type: collectorapi.Stacked, |
| 72 | Priority: prioZpoolSpaceUsage, |
| 73 | Dims: collectorapi.Dims{ |
| 74 | {ID: "zpool_%s_free", Name: "free"}, |
| 75 | {ID: "zpool_%s_alloc", Name: "used"}, |
| 76 | }, |
| 77 | } |
| 78 | |
| 79 | zpoolFragmentationChartTmpl = collectorapi.Chart{ |
| 80 | ID: "zfspool_%s_fragmentation", |
| 81 | Title: "Zpool fragmentation", |
| 82 | Units: "percentage", |
| 83 | Fam: "fragmentation", |
| 84 | Ctx: "zfspool.pool_fragmentation", |
| 85 | Type: collectorapi.Line, |
| 86 | Priority: prioZpoolFragmentation, |
| 87 | Dims: collectorapi.Dims{ |
| 88 | {ID: "zpool_%s_frag", Name: "fragmentation"}, |
| 89 | }, |
| 90 | } |
| 91 | ) |
| 92 | |
| 93 | var vdevChartsTmpl = collectorapi.Charts{ |
| 94 | vdevHealthStateChartTmpl.Copy(), |
| 95 | } |
| 96 | |
| 97 | var ( |
| 98 | vdevHealthStateChartTmpl = collectorapi.Chart{ |
| 99 | ID: "vdev_%s_health_state", |
| 100 | Title: "Zpool Vdev health state", |
| 101 | Units: "state", |
| 102 | Fam: "health", |
| 103 | Ctx: "zfspool.vdev_health_state", |
| 104 | Type: collectorapi.Line, |
| 105 | Priority: prioVdevHealthState, |
| 106 | Dims: collectorapi.Dims{ |
| 107 | {ID: "vdev_%s_health_state_online", Name: "online"}, |
| 108 | {ID: "vdev_%s_health_state_degraded", Name: "degraded"}, |
| 109 | {ID: "vdev_%s_health_state_faulted", Name: "faulted"}, |
| 110 | {ID: "vdev_%s_health_state_offline", Name: "offline"}, |
| 111 | {ID: "vdev_%s_health_state_unavail", Name: "unavail"}, |
| 112 | {ID: "vdev_%s_health_state_removed", Name: "removed"}, |
| 113 | {ID: "vdev_%s_health_state_suspended", Name: "suspended"}, |
| 114 | }, |
| 115 | } |
| 116 | ) |
| 117 | |
| 118 | func (c *Collector) addZpoolCharts(name string) { |
| 119 | charts := zpoolChartsTmpl.Copy() |
| 120 | |
| 121 | for _, chart := range *charts { |
| 122 | chart.ID = fmt.Sprintf(chart.ID, name) |
| 123 | chart.Labels = []collectorapi.Label{ |
| 124 | {Key: "pool", Value: name}, |
| 125 | } |
| 126 | for _, dim := range chart.Dims { |
| 127 | dim.ID = fmt.Sprintf(dim.ID, name) |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if err := c.Charts().Add(*charts...); err != nil { |
| 132 | c.Warning(err) |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | func (c *Collector) removeZpoolCharts(name string) { |
| 137 | px := fmt.Sprintf("zfspool_%s_", name) |
| 138 | c.removeCharts(px) |
| 139 | } |
| 140 | |
| 141 | func (c *Collector) addVdevCharts(pool, vdev string) { |
| 142 | charts := vdevChartsTmpl.Copy() |
| 143 | |
| 144 | for _, chart := range *charts { |
| 145 | chart.ID = fmt.Sprintf(chart.ID, cleanVdev(vdev)) |
| 146 | chart.Labels = []collectorapi.Label{ |
| 147 | {Key: "pool", Value: pool}, |
| 148 | {Key: "vdev", Value: vdev}, |
| 149 | } |
| 150 | for _, dim := range chart.Dims { |
| 151 | dim.ID = fmt.Sprintf(dim.ID, vdev) |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | if err := c.Charts().Add(*charts...); err != nil { |
| 156 | c.Warning(err) |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | func (c *Collector) removeVdevCharts(vdev string) { |
| 161 | px := fmt.Sprintf("vdev_%s_", cleanVdev(vdev)) |
| 162 | c.removeCharts(px) |
| 163 | } |
| 164 | |
| 165 | func (c *Collector) removeCharts(px string) { |
| 166 | for _, chart := range *c.Charts() { |
| 167 | if strings.HasPrefix(chart.ID, px) { |
| 168 | chart.MarkRemove() |
| 169 | chart.MarkNotCreated() |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | func cleanVdev(vdev string) string { |
| 175 | r := strings.NewReplacer(".", "_") |
| 176 | return r.Replace(vdev) |
| 177 | } |