| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package docker |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/netdata/netdata/go/plugins/plugin/framework/collectorapi" |
| 10 | ) |
| 11 | |
| 12 | const ( |
| 13 | prioContainersState = collectorapi.Priority + iota |
| 14 | prioContainersHealthy |
| 15 | |
| 16 | prioContainerState |
| 17 | prioContainerHealthStatus |
| 18 | prioContainerWritableLayerSize |
| 19 | |
| 20 | prioImagesCount |
| 21 | prioImagesSize |
| 22 | ) |
| 23 | |
| 24 | var summaryCharts = collectorapi.Charts{ |
| 25 | containersStateChart.Copy(), |
| 26 | containersHealthyChart.Copy(), |
| 27 | |
| 28 | imagesCountChart.Copy(), |
| 29 | imagesSizeChart.Copy(), |
| 30 | } |
| 31 | |
| 32 | var ( |
| 33 | containersStateChart = collectorapi.Chart{ |
| 34 | ID: "containers_state", |
| 35 | Title: "Total number of Docker containers in various states", |
| 36 | Units: "containers", |
| 37 | Fam: "containers", |
| 38 | Ctx: "docker.containers_state", |
| 39 | Priority: prioContainersState, |
| 40 | Type: collectorapi.Stacked, |
| 41 | Dims: collectorapi.Dims{ |
| 42 | {ID: "containers_state_running", Name: "running"}, |
| 43 | {ID: "containers_state_paused", Name: "paused"}, |
| 44 | {ID: "containers_state_exited", Name: "exited"}, |
| 45 | }, |
| 46 | } |
| 47 | containersHealthyChart = collectorapi.Chart{ |
| 48 | ID: "healthy_containers", |
| 49 | Title: "Total number of Docker containers in various health states", |
| 50 | Units: "containers", |
| 51 | Fam: "containers", |
| 52 | Ctx: "docker.containers_health_status", |
| 53 | Priority: prioContainersHealthy, |
| 54 | Dims: collectorapi.Dims{ |
| 55 | {ID: "containers_health_status_healthy", Name: "healthy"}, |
| 56 | {ID: "containers_health_status_unhealthy", Name: "unhealthy"}, |
| 57 | {ID: "containers_health_status_not_running_unhealthy", Name: "not_running_unhealthy"}, |
| 58 | {ID: "containers_health_status_starting", Name: "starting"}, |
| 59 | {ID: "containers_health_status_none", Name: "no_healthcheck"}, |
| 60 | }, |
| 61 | } |
| 62 | ) |
| 63 | |
| 64 | var ( |
| 65 | imagesCountChart = collectorapi.Chart{ |
| 66 | ID: "images_count", |
| 67 | Title: "Total number of Docker images in various states", |
| 68 | Units: "images", |
| 69 | Fam: "images", |
| 70 | Ctx: "docker.images", |
| 71 | Priority: prioImagesCount, |
| 72 | Type: collectorapi.Stacked, |
| 73 | Dims: collectorapi.Dims{ |
| 74 | {ID: "images_active", Name: "active"}, |
| 75 | {ID: "images_dangling", Name: "dangling"}, |
| 76 | }, |
| 77 | } |
| 78 | imagesSizeChart = collectorapi.Chart{ |
| 79 | ID: "images_size", |
| 80 | Title: "Total size of all Docker images", |
| 81 | Units: "bytes", |
| 82 | Fam: "images", |
| 83 | Ctx: "docker.images_size", |
| 84 | Priority: prioImagesSize, |
| 85 | Dims: collectorapi.Dims{ |
| 86 | {ID: "images_size", Name: "size"}, |
| 87 | }, |
| 88 | } |
| 89 | ) |
| 90 | |
| 91 | var ( |
| 92 | containerChartsTmpl = collectorapi.Charts{ |
| 93 | containerStateChartTmpl.Copy(), |
| 94 | containerHealthStatusChartTmpl.Copy(), |
| 95 | containerWritableLayerSizeChartTmpl.Copy(), |
| 96 | } |
| 97 | |
| 98 | containerStateChartTmpl = collectorapi.Chart{ |
| 99 | ID: "container_%s_state", |
| 100 | Title: "Docker container state", |
| 101 | Units: "state", |
| 102 | Fam: "containers", |
| 103 | Ctx: "docker.container_state", |
| 104 | Priority: prioContainerState, |
| 105 | Dims: collectorapi.Dims{ |
| 106 | {ID: "container_%s_state_running", Name: "running"}, |
| 107 | {ID: "container_%s_state_paused", Name: "paused"}, |
| 108 | {ID: "container_%s_state_exited", Name: "exited"}, |
| 109 | {ID: "container_%s_state_created", Name: "created"}, |
| 110 | {ID: "container_%s_state_restarting", Name: "restarting"}, |
| 111 | {ID: "container_%s_state_removing", Name: "removing"}, |
| 112 | {ID: "container_%s_state_dead", Name: "dead"}, |
| 113 | }, |
| 114 | } |
| 115 | containerHealthStatusChartTmpl = collectorapi.Chart{ |
| 116 | ID: "container_%s_health_status", |
| 117 | Title: "Docker container health status", |
| 118 | Units: "status", |
| 119 | Fam: "containers", |
| 120 | Ctx: "docker.container_health_status", |
| 121 | Priority: prioContainerHealthStatus, |
| 122 | Dims: collectorapi.Dims{ |
| 123 | {ID: "container_%s_health_status_healthy", Name: "healthy"}, |
| 124 | {ID: "container_%s_health_status_unhealthy", Name: "unhealthy"}, |
| 125 | {ID: "container_%s_health_status_not_running_unhealthy", Name: "not_running_unhealthy"}, |
| 126 | {ID: "container_%s_health_status_starting", Name: "starting"}, |
| 127 | {ID: "container_%s_health_status_none", Name: "no_healthcheck"}, |
| 128 | }, |
| 129 | } |
| 130 | containerWritableLayerSizeChartTmpl = collectorapi.Chart{ |
| 131 | ID: "container_%s_writable_layer_size", |
| 132 | Title: "Docker container writable layer size", |
| 133 | Units: "bytes", |
| 134 | Fam: "containers", |
| 135 | Ctx: "docker.container_writeable_layer_size", |
| 136 | Priority: prioContainerWritableLayerSize, |
| 137 | Dims: collectorapi.Dims{ |
| 138 | {ID: "container_%s_size_rw", Name: "writable_layer"}, |
| 139 | }, |
| 140 | } |
| 141 | ) |
| 142 | |
| 143 | func (c *Collector) addContainerCharts(name, image string) { |
| 144 | charts := containerChartsTmpl.Copy() |
| 145 | |
| 146 | if !c.CollectContainerSize { |
| 147 | _ = charts.Remove(containerWritableLayerSizeChartTmpl.ID) |
| 148 | } |
| 149 | |
| 150 | for _, chart := range *charts { |
| 151 | chart.ID = fmt.Sprintf(chart.ID, name) |
| 152 | chart.Labels = []collectorapi.Label{ |
| 153 | {Key: "container_name", Value: name}, |
| 154 | {Key: "image", Value: image}, |
| 155 | } |
| 156 | for _, dim := range chart.Dims { |
| 157 | dim.ID = fmt.Sprintf(dim.ID, name) |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if err := c.Charts().Add(*charts...); err != nil { |
| 162 | c.Warning(err) |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | func (c *Collector) removeContainerCharts(name string) { |
| 167 | px := fmt.Sprintf("container_%s", name) |
| 168 | |
| 169 | for _, chart := range *c.Charts() { |
| 170 | if strings.HasPrefix(chart.ID, px) { |
| 171 | chart.MarkRemove() |
| 172 | chart.MarkNotCreated() |
| 173 | } |
| 174 | } |
| 175 | } |