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This commit is contained in:
Jan Lošťák
209
metrics/pve_node_container_collector.go
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209
metrics/pve_node_container_collector.go
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package metrics
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import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"lostak.dev/pve-exporter/proxmox"
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)
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// PVE container collector.
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type PveContainerCollector struct {
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apiClient *proxmox.PveApiClient // PVE API client instance.
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state *prometheus.GaugeVec // Container state prometheus gauge.
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uptime *prometheus.GaugeVec // Container uptime prometheus gauge.
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cpu *prometheus.GaugeVec // Container count of CPUs prometheus gauge.
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cpuUsage *prometheus.GaugeVec // Container CPU usage % prometheus gauge.
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memBytes *prometheus.GaugeVec // Container memory in bytes prometheus gauge.
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memBytesUsed *prometheus.GaugeVec // Container memory usage in bytes prometheus gauge.
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netReceive *prometheus.GaugeVec // Container network RX in bytes prometheus gauge.
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netTransmit *prometheus.GaugeVec // Container network TX in bytes prometheus gauge.
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diskWrite *prometheus.GaugeVec // Container disk written in bytes prometheus gauge.
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diskRead *prometheus.GaugeVec // Container disk read in bytes prometheus gauge.
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disk *prometheus.GaugeVec // Container disk space usage in bytes prometheus gauge.
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diskMax *prometheus.GaugeVec // Container disk size in bytes prometheus gauge.
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swap *prometheus.GaugeVec // Container swap usage in bytes prometheus gauge.
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}
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// Create new instance of PVE container collector.
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func NewPveContainerCollector(apiClient *proxmox.PveApiClient) *PveContainerCollector {
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c := PveContainerCollector{apiClient: apiClient}
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// Container state.
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c.state = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_state",
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Help: "Container state.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container uptime.
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c.uptime = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_uptime",
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Help: "Container uptime.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container CPU count.
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c.cpu = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_cpu_count",
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Help: "Container CPU count.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container CPU usage.
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c.cpuUsage = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_cpu_usage",
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Help: "Container CPU usage.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container memory total.
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c.memBytes = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_mem_total_bytes",
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Help: "Container total memory in bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container memory usage.
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c.memBytesUsed = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_mem_used_bytes",
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Help: "Container used memory in bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container network RX.
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c.netReceive = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_network_receive_bytes",
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Help: "Container network RX bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container network TX.
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c.netTransmit = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_network_transmit_bytes",
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Help: "Container network TX bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container disk written.
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c.diskWrite = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_disk_written_bytes",
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Help: "Container disk written bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container disk read.
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c.diskRead = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_disk_read_bytes",
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Help: "Container disk read bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container disk size.
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c.disk = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_disk_usage_bytes",
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Help: "Container disk read bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container disk size.
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c.diskMax = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_disk_size_bytes",
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Help: "Container disk size bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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// Container swap usage.
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c.swap = promauto.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "pve_ct_swap_used_bytes",
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Help: "Container swap usage bytes.",
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},
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[]string{"cluster", "node", "vmid", "name"},
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)
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return &c
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}
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// PveMetricsCollector interface implementation.
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func (c *PveContainerCollector) CollectMetrics() error {
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cluster, err := c.apiClient.GetClusterStatus()
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if err != nil {
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return err
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}
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for _, node := range cluster.NodeStatuses {
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containers, err := c.apiClient.GetNodeContainerList(node.Name)
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if err != nil {
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return err
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}
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for _, container := range *containers {
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// Skip templates because they are always offline.
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if container.Template == 1 {
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continue
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}
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labels := prometheus.Labels{
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"cluster": cluster.GetClusterName(),
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"node": node.Name,
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"vmid": container.VMID,
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"name": container.Name,
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}
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c.state.With(labels).Set(container.GetStatusNumeric())
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c.cpu.With(labels).Set(float64(container.CPUs))
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c.memBytes.With(labels).Set(float64(container.MaxMem))
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c.diskMax.With(labels).Set(float64(container.MaxDisk))
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// Metrics only on running container.
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if container.IsRunning() {
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c.uptime.With(labels).Set(float64(container.Uptime))
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c.cpuUsage.With(labels).Set(float64(container.CPU))
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c.memBytesUsed.With(labels).Set(float64(container.Mem))
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c.netReceive.With(labels).Set(float64(container.NetIn))
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c.netTransmit.With(labels).Set(float64(container.NetOut))
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c.diskRead.With(labels).Set(float64(container.DiskRead))
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c.diskWrite.With(labels).Set(float64(container.DiskWrite))
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c.disk.With(labels).Set(float64(container.Disk))
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c.swap.With(labels).Set(float64(container.Swap))
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}
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}
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}
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return nil
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}
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// PveMetricsCollector interface implementation.
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func (c *PveContainerCollector) GetName() string {
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return "Container"
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}
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