| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package wireguard |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/plugin/framework/collectorapi" |
| 10 | ) |
| 11 | |
| 12 | const ( |
| 13 | prioDeviceNetworkIO = collectorapi.Priority + iota |
| 14 | prioDevicePeers |
| 15 | prioPeerNetworkIO |
| 16 | prioPeerLatestHandShake |
| 17 | ) |
| 18 | |
| 19 | var ( |
| 20 | deviceChartsTmpl = collectorapi.Charts{ |
| 21 | deviceNetworkIOChartTmpl.Copy(), |
| 22 | devicePeersChartTmpl.Copy(), |
| 23 | } |
| 24 | |
| 25 | deviceNetworkIOChartTmpl = collectorapi.Chart{ |
| 26 | ID: "device_%s_network_io", |
| 27 | Title: "Device traffic", |
| 28 | Units: "B/s", |
| 29 | Fam: "device traffic", |
| 30 | Ctx: "wireguard.device_network_io", |
| 31 | Type: collectorapi.Area, |
| 32 | Priority: prioDeviceNetworkIO, |
| 33 | Dims: collectorapi.Dims{ |
| 34 | {ID: "device_%s_receive", Name: "receive", Algo: collectorapi.Incremental}, |
| 35 | {ID: "device_%s_transmit", Name: "transmit", Algo: collectorapi.Incremental, Mul: -1}, |
| 36 | }, |
| 37 | } |
| 38 | devicePeersChartTmpl = collectorapi.Chart{ |
| 39 | ID: "device_%s_peers", |
| 40 | Title: "Device peers", |
| 41 | Units: "peers", |
| 42 | Fam: "device peers", |
| 43 | Ctx: "wireguard.device_peers", |
| 44 | Priority: prioDevicePeers, |
| 45 | Dims: collectorapi.Dims{ |
| 46 | {ID: "device_%s_peers", Name: "peers"}, |
| 47 | }, |
| 48 | } |
| 49 | ) |
| 50 | |
| 51 | var ( |
| 52 | peerChartsTmpl = collectorapi.Charts{ |
| 53 | peerNetworkIOChartTmpl.Copy(), |
| 54 | peerLatestHandShakeChartTmpl.Copy(), |
| 55 | } |
| 56 | |
| 57 | peerNetworkIOChartTmpl = collectorapi.Chart{ |
| 58 | ID: "peer_%s_network_io", |
| 59 | Title: "Peer traffic", |
| 60 | Units: "B/s", |
| 61 | Fam: "peer traffic", |
| 62 | Ctx: "wireguard.peer_network_io", |
| 63 | Type: collectorapi.Area, |
| 64 | Priority: prioPeerNetworkIO, |
| 65 | Dims: collectorapi.Dims{ |
| 66 | {ID: "peer_%s_receive", Name: "receive", Algo: collectorapi.Incremental}, |
| 67 | {ID: "peer_%s_transmit", Name: "transmit", Algo: collectorapi.Incremental, Mul: -1}, |
| 68 | }, |
| 69 | } |
| 70 | peerLatestHandShakeChartTmpl = collectorapi.Chart{ |
| 71 | ID: "peer_%s_latest_handshake_ago", |
| 72 | Title: "Peer time elapsed since the latest handshake", |
| 73 | Units: "seconds", |
| 74 | Fam: "peer latest handshake", |
| 75 | Ctx: "wireguard.peer_latest_handshake_ago", |
| 76 | Priority: prioPeerLatestHandShake, |
| 77 | Dims: collectorapi.Dims{ |
| 78 | {ID: "peer_%s_latest_handshake_ago", Name: "time"}, |
| 79 | }, |
| 80 | } |
| 81 | ) |
| 82 | |
| 83 | func newDeviceCharts(device string) *collectorapi.Charts { |
| 84 | charts := deviceChartsTmpl.Copy() |
| 85 | |
| 86 | for _, c := range *charts { |
| 87 | c.ID = fmt.Sprintf(c.ID, device) |
| 88 | c.Labels = []collectorapi.Label{ |
| 89 | {Key: "device", Value: device}, |
| 90 | } |
| 91 | for _, d := range c.Dims { |
| 92 | d.ID = fmt.Sprintf(d.ID, device) |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | return charts |
| 97 | } |
| 98 | |
| 99 | func (c *Collector) addNewDeviceCharts(device string) { |
| 100 | charts := newDeviceCharts(device) |
| 101 | |
| 102 | if err := c.Charts().Add(*charts...); err != nil { |
| 103 | c.Warning(err) |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | func (c *Collector) removeDeviceCharts(device string) { |
| 108 | prefix := fmt.Sprintf("device_%s", device) |
| 109 | |
| 110 | for _, c := range *c.Charts() { |
| 111 | if strings.HasPrefix(c.ID, prefix) { |
| 112 | c.MarkRemove() |
| 113 | c.MarkNotCreated() |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | func newPeerCharts(id, device, pubKey string) *collectorapi.Charts { |
| 119 | charts := peerChartsTmpl.Copy() |
| 120 | |
| 121 | for _, c := range *charts { |
| 122 | c.ID = fmt.Sprintf(c.ID, id) |
| 123 | c.Labels = []collectorapi.Label{ |
| 124 | {Key: "device", Value: device}, |
| 125 | {Key: "public_key", Value: pubKey}, |
| 126 | } |
| 127 | for _, d := range c.Dims { |
| 128 | d.ID = fmt.Sprintf(d.ID, id) |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return charts |
| 133 | } |
| 134 | |
| 135 | func (c *Collector) addNewPeerCharts(id, device, pubKey string) { |
| 136 | charts := newPeerCharts(id, device, pubKey) |
| 137 | |
| 138 | if err := c.Charts().Add(*charts...); err != nil { |
| 139 | c.Warning(err) |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | func (c *Collector) removePeerCharts(id string) { |
| 144 | prefix := fmt.Sprintf("peer_%s", id) |
| 145 | |
| 146 | for _, c := range *c.Charts() { |
| 147 | if strings.HasPrefix(c.ID, prefix) { |
| 148 | c.MarkRemove() |
| 149 | c.MarkNotCreated() |
| 150 | } |
| 151 | } |
| 152 | } |