Files
pve-exporter/metrics/pve_cluster_state_collector.go
Jan Lošťák a1ab163804 Initial commit
2024-05-27 21:27:07 +02:00

60 lines
1.5 KiB
Go

package metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"lostak.dev/pve-exporter/proxmox"
)
// PVE cluster state collector.
type PveClusterStateCollector struct {
apiClient *proxmox.PveApiClient // PVE API client instance.
nodes *prometheus.GaugeVec // Count of nodes prometheus gauge.
quorate *prometheus.GaugeVec // Cluster quorum state prometheus gauge.
}
// Create new instance of PVE cluster state collector.
func NewPveClusterStateCollector(apiClient *proxmox.PveApiClient) *PveClusterStateCollector {
c := PveClusterStateCollector{apiClient: apiClient}
// Cluster meta gauge.
c.nodes = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "pve_cluster_nodes",
Help: "Cluster nodes count.",
},
[]string{"cluster"},
)
// Cluster quorate gauge.
c.quorate = promauto.NewGaugeVec(
prometheus.GaugeOpts{
Name: "pve_cluster_quorate",
Help: "Cluster quorum state.",
},
[]string{"cluster"},
)
return &c
}
// PveMetricsCollector interface implementation.
func (c *PveClusterStateCollector) CollectMetrics() error {
cluster, err := c.apiClient.GetClusterStatus()
if err != nil {
return err
}
l := prometheus.Labels{"cluster": cluster.Name}
c.nodes.With(l).Set(float64(cluster.Nodes))
c.quorate.With(l).Set(float64(cluster.Quorate))
return nil
}
// PveMetricsCollector interface implementation.
func (c *PveClusterStateCollector) GetName() string {
return "Cluster State"
}