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rules.go
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rules.go
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package helm
import "gopkg.in/yaml.v3"
func GetDefaultRules(labels map[string]string) (*AdditionalPrometheusRules, error) {
rulesStr := `name: node-exporter.rules
groups:
- name: node-exporter.rules
rules:
- expr: |-
count without (cpu) (
count without (mode) (
node_cpu_seconds_total{job="node-exporter"}
)
)
record: instance:node_num_cpu:sum
- expr: |-
1 - avg without (cpu, mode) (
rate(node_cpu_seconds_total{job="node-exporter", mode="idle"}[1m])
)
record: instance:node_cpu_utilisation:rate1m
- expr: |-
(
node_load1{job="node-exporter"}
/
instance:node_num_cpu:sum{job="node-exporter"}
)
record: instance:node_load1_per_cpu:ratio
- expr: |-
1 - (
node_memory_MemAvailable_bytes{job="node-exporter"}
/
node_memory_MemTotal_bytes{job="node-exporter"}
)
record: instance:node_memory_utilisation:ratio
- expr: rate(node_vmstat_pgmajfault{job="node-exporter"}[1m])
record: instance:node_vmstat_pgmajfault:rate1m
- expr: rate(node_disk_io_time_seconds_total{job="node-exporter", device=~"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+"}[1m])
record: instance_device:node_disk_io_time_seconds:rate1m
- expr: rate(node_disk_io_time_weighted_seconds_total{job="node-exporter", device=~"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+"}[1m])
record: instance_device:node_disk_io_time_weighted_seconds:rate1m
- expr: |-
sum without (device) (
rate(node_network_receive_bytes_total{job="node-exporter", device!="lo"}[1m])
)
record: instance:node_network_receive_bytes_excluding_lo:rate1m
- expr: |-
sum without (device) (
rate(node_network_transmit_bytes_total{job="node-exporter", device!="lo"}[1m])
)
record: instance:node_network_transmit_bytes_excluding_lo:rate1m
- expr: |-
sum without (device) (
rate(node_network_receive_drop_total{job="node-exporter", device!="lo"}[1m])
)
record: instance:node_network_receive_drop_excluding_lo:rate1m
- expr: |-
sum without (device) (
rate(node_network_transmit_drop_total{job="node-exporter", device!="lo"}[1m])
)
record: instance:node_network_transmit_drop_excluding_lo:rate1m
- name: node.rules
rules:
- expr: sum(min(kube_pod_info) by (node))
record: ':kube_pod_info_node_count:'
- expr: max(label_replace(kube_pod_info{job="kube-state-metrics"}, "pod", "$1", "pod", "(.*)")) by (node, namespace, pod)
record: 'node_namespace_pod:kube_pod_info:'
- expr: |-
count by (node) (sum by (node, cpu) (
node_cpu_seconds_total{job="node-exporter"}
* on (namespace, pod) group_left(node)
node_namespace_pod:kube_pod_info:
))
record: node:node_num_cpu:sum
- expr: |-
sum(
node_memory_MemAvailable_bytes{job="node-exporter"} or
(
node_memory_Buffers_bytes{job="node-exporter"} +
node_memory_Cached_bytes{job="node-exporter"} +
node_memory_MemFree_bytes{job="node-exporter"} +
node_memory_Slab_bytes{job="node-exporter"}
)
)
record: :node_memory_MemAvailable_bytes:sum
- name: caos.rules
rules:
- expr: dist_node_boot_time_seconds
record: caos_node_boot_time_seconds
- expr: floor(avg_over_time(dist_systemd_unit_active[5m])+0.2)
record: caos_systemd_unit_active
- expr: min(min_over_time(caos_systemd_unit_active[5m])) by (instance)
record: caos_systemd_ryg
- expr: avg(max_over_time(caos_probe{type="Upstream",name!="httpingress"}[1m])) by (name)
record: caos_upstream_probe_ryg
- expr: max_over_time(caos_probe{type="VIP"}[1m])
record: caos_vip_probe_ryg
- expr: sum(1 - avg(rate(dist_node_cpu_seconds_total[5m])))
record: caos_cluster_cpu_utilisation_5m
- expr: 100 - (avg by (instance) (irate(dist_node_cpu_seconds_total[5m])) * 100)
record: caos_node_cpu_utilisation_5m
- expr: (clamp_max(clamp_min(100-caos_node_cpu_utilisation_5m, 10),20)-10)/10
record: caos_node_cpu_ryg
- expr: |-
sum by (instance) (100 -
(
dist_node_memory_MemAvailable_bytes
/
dist_node_memory_MemTotal_bytes
* 100
))
record: caos_node_memory_utilisation
- expr: (clamp_max(clamp_min(100-caos_node_memory_utilisation, 10),20)-10)/10
record: caos_node_memory_ryg
- expr: |-
100 - (
min by (instance) (dist_node_filesystem_avail_bytes)
/ min by (instance) (dist_node_filesystem_size_bytes)
* 100)
record: caos_node_disk_utilisation
- expr: dist_kube_node_status_condition
record: caos_node_ready
- expr: min_over_time(caos_node_ready[5m])
record: caos_k8s_node_ryg
- expr: dist_etcd_server_has_leader or on(instance) up{job="caos_remote_etcd"}
record: caos_etcd_server_has_leader_and_is_up
- expr: min_over_time(caos_etcd_server_has_leader_and_is_up[5m])
record: caos_etcd_ryg
- expr: |-
clamp_max(
clamp_min(
(
max_over_time(dist_kube_deployment_status_replicas_available{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_deployment_spec_replicas{namespace=~"(kube-system|caos-system|caos-zitadel)"} or
max_over_time(dist_kube_statefulset_status_replicas_ready{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_statefulset_replicas{namespace=~"(kube-system|caos-system|caos-zitadel)"} or
max_over_time(dist_kube_daemonset_status_number_available{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_daemonset_status_desired_number_scheduled{namespace=~"(kube-system|caos-system|caos-zitadel)"}
) +
1,
0
),
1
)
record: caos_ready_pods_ryg
- expr: |-
clamp_max(
clamp_min(
(
max_over_time(dist_kube_deployment_status_replicas{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_deployment_spec_replicas{namespace=~"(kube-system|caos-system|caos-zitadel)"} or
max_over_time(dist_kube_statefulset_status_replicas_current{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_statefulset_replicas{namespace=~"(kube-system|caos-system|caos-zitadel)"} or
max_over_time(dist_kube_daemonset_status_current_number_scheduled{namespace=~"(kube-system|caos-system|caos-zitadel)"}[5m]) -
dist_kube_daemonset_status_desired_number_scheduled{namespace=~"(kube-system|caos-system|caos-zitadel)"}
) +
1,
0
),
1
)
record: caos_scheduled_pods_ryg
- expr: |-
sum(dist_kube_deployment_spec_replicas) + sum(dist_kube_statefulset_replicas) + sum(dist_kube_daemonset_status_desired_number_scheduled)
record: caos_desired_pods
- expr: |-
sum(dist_kube_deployment_status_replicas) + sum(dist_kube_statefulset_status_replicas_current) + sum(dist_kube_daemonset_status_current_number_scheduled)
record: caos_scheduled_pods
- expr: |-
sum(dist_kube_deployment_status_replicas_available) + sum(dist_kube_statefulset_status_replicas_ready) + sum(dist_kube_daemonset_status_number_available)
record: caos_ready_pods
- expr: min(caos_node_cpu_ryg) * min(caos_systemd_ryg) * min(caos_vip_probe_ryg) * min(caos_upstream_probe_ryg) * min(caos_node_memory_ryg) * min(caos_k8s_node_ryg) * avg(caos_etcd_ryg) * min(caos_ready_pods_ryg{namespace=~"(kube-system|caos-system|caos-zitadel)"}) * min(caos_scheduled_pods_ryg{namespace=~"(kube-system|caos-system|caos-zitadel)"})
record: caos_orb_ryg
`
struc := &AdditionalPrometheusRules{
AdditionalLabels: labels,
}
rulesByte := []byte(rulesStr)
if err := yaml.Unmarshal(rulesByte, struc); err != nil {
return nil, err
}
return struc, nil
}