Kubernetes CoreDNS
Metrics, Dashboards, Alerts and more for Kubernetes CoreDNS Integration in Sysdig Monitor.
This integration is enabled by default.
This integration is out-of-the-box, so it doesn’t require any exporter.
This integration has 38 metrics.
List of Alerts
| Alert | Description | Format |
|---|---|---|
| [CoreDNS] Error High | High Request Duration | Prometheus |
| [CoreDNS] Latency High | Latency High | Prometheus |
List of Dashboards
Kubernetes CoreDNS
The dashboard provides information on the 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_info |
| 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 |
Prerequisites
None.
Installation
Installing an exporter is not required for this integration.
Agent Configuration
The default agent job for this integration is as follows:
- 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__ - source_labels: [__meta_kubernetes_pod_phase] action: keep regex: Running - 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 