Kubernetes CoreDNS

Metrics, Dashboards, Alerts and more for Kubernetes CoreDNS Integration in Sysdig Monitor.
Kubernetes CoreDNS

This integration is enabled by default.

This integration is out-of-the-box, so it doesn’t require any exporter.

This integration has 37 metrics.

List of Alerts

AlertDescriptionFormat
[CoreDNS] Error HighHigh Request DurationPrometheus
[CoreDNS] Latency HighLatency HighPrometheus

List of Dashboards

Kubernetes CoreDNS

The dashboard provides information on the Kubernetes CoreDNS. Kubernetes CoreDNS

List of Metrics

Metric name
coredns_cache_hits_total
coredns_cache_misses_total
coredns_dns_request_duration_seconds_bucket
coredns_dns_request_size_bytes_bucket
coredns_dns_requests_total
coredns_dns_response_size_bytes_bucket
coredns_dns_responses_total
coredns_forward_request_duration_seconds_bucket
coredns_panics_total
coredns_plugin_enabled
go_build_info
go_gc_duration_seconds
go_gc_duration_seconds_count
go_gc_duration_seconds_sum
go_goroutines
go_memstats_buck_hash_sys_bytes
go_memstats_gc_sys_bytes
go_memstats_heap_alloc_bytes
go_memstats_heap_idle_bytes
go_memstats_heap_inuse_bytes
go_memstats_heap_released_bytes
go_memstats_heap_sys_bytes
go_memstats_lookups_total
go_memstats_mallocs_total
go_memstats_mcache_inuse_bytes
go_memstats_mcache_sys_bytes
go_memstats_mspan_inuse_bytes
go_memstats_mspan_sys_bytes
go_memstats_next_gc_bytes
go_memstats_stack_inuse_bytes
go_memstats_stack_sys_bytes
go_memstats_sys_bytes
go_threads
process_cpu_seconds_total
process_max_fds
process_open_fds
process_resident_memory_bytes

Preparing the Integration

No preparations are required for this integration.

Installing

The installation of an exporter is not required for this integration.

Agent Configuration

This is the default agent job for this integration:

- job_name: kube-dns-default
  honor_labels: true
  kubernetes_sd_configs:
  - role: pod
  relabel_configs:
  - action: keep
    source_labels: [__meta_kubernetes_pod_host_ip]
    regex: __HOSTIPS__
  - action: keep
    source_labels:
    - __meta_kubernetes_namespace
    - __meta_kubernetes_pod_name
    separator: '/'
    regex: 'kube-system/coredns.+'
  - source_labels:
    - __address__
    action: keep
    regex: (.*:9153)
  - source_labels:
    - __meta_kubernetes_pod_name
    action: replace
    target_label: instance
  - action: labelmap
    regex: __meta_kubernetes_pod_label_(.+)
  - action: replace
    source_labels: [__meta_kubernetes_pod_uid]
    target_label: sysdig_k8s_pod_uid
  - action: replace
    source_labels: [__meta_kubernetes_pod_container_name]
    target_label: sysdig_k8s_pod_container_name