/
prom-rules-tests.yaml
873 lines (821 loc) · 40.4 KB
/
prom-rules-tests.yaml
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---
rule_files:
- /tmp/rules.verify
group_eval_order:
- recordingRules.rules
- alerts.rules
#information about this format can be found in: https://prometheus.io/docs/prometheus/latest/configuration/unit_testing_rules/
tests:
# Alerts to test whether our operators are up or not
- interval: 1m
input_series:
- series: 'up{namespace="ci", pod="virt-api-1"}'
values: "_ _ _ _ _ _ _ _ _ _ _ 0 0 0 0 0 0 1"
- series: 'up{namespace="ci", pod="virt-controller-1"}'
values: "_ _ _ _ _ _ _ _ _ _ _ 0 0 0 0 0 0 1"
- series: 'up{namespace="ci", pod="virt-operator-1"}'
values: "_ _ _ _ _ _ _ _ _ _ _ 0 0 0 0 0 0 1"
alert_rule_test:
# it must not trigger before 10m
- eval_time: 8m
alertname: VirtAPIDown
exp_alerts: []
- eval_time: 8m
alertname: VirtControllerDown
exp_alerts: [ ]
- eval_time: 8m
alertname: VirtOperatorDown
exp_alerts: [ ]
# it must trigger when there is no data
- eval_time: 10m
alertname: VirtAPIDown
exp_alerts:
- exp_annotations:
summary: "All virt-api servers are down."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtAPIDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 10m
alertname: VirtControllerDown
exp_alerts:
- exp_annotations:
summary: "No running virt-controller was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtControllerDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 10m
alertname: VirtOperatorDown
exp_alerts:
- exp_annotations:
summary: "All virt-operator servers are down."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtOperatorDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# it must trigger when operators are not healthy
- eval_time: 16m
alertname: VirtAPIDown
exp_alerts:
- exp_annotations:
summary: "All virt-api servers are down."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtAPIDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 16m
alertname: VirtControllerDown
exp_alerts:
- exp_annotations:
summary: "No running virt-controller was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtControllerDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 16m
alertname: VirtOperatorDown
exp_alerts:
- exp_annotations:
summary: "All virt-operator servers are down."
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtOperatorDown"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# it must not trigger when operators are healthy
- eval_time: 17m
alertname: VirtAPIDown
exp_alerts: []
- eval_time: 17m
alertname: VirtControllerDown
exp_alerts: [ ]
- eval_time: 17m
alertname: VirtOperatorDown
exp_alerts: [ ]
# Alert to test when there are VMIs running on a node with an unready virt-handler pod
# Alert should not fire for node with no running VMIs.
- interval: 1m
input_series:
- series: 'kube_pod_info{pod="virt-handler-asdf", node="node01"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_status_ready{pod="virt-handler-asdf", condition="true"}'
values: '0 0 0 0 0 0 0 0 0 0 0'
- series: 'kube_pod_info{pod="virt-launcher-testvm-123", node="node01"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-handler-asdfg", node="node02"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_status_ready{pod="virt-handler-asdfg", condition="true"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-launcher-vmi", node="node02"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-handler-abcd", node="node03"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_status_ready{pod="virt-handler-abcd", condition="true"}'
values: '0 0 0 0 0 0 0 0 0 0 0'
- series: 'kube_pod_info{pod="virt-launcher-novmi", node="node03"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: OrphanedVirtualMachineInstances
exp_alerts: [ ]
- eval_time: 10m
alertname: OrphanedVirtualMachineInstances
exp_alerts:
- exp_annotations:
summary: "No ready virt-handler pod detected on node node01 with running vmis for more than 10 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/OrphanedVirtualMachineInstances"
exp_labels:
node: "node01"
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# Alert to test when there are VMIs running on a node without a virt-handler pod
# Alert should not fire for node with no running VMIs.
- interval: 1m
input_series:
- series: 'kube_pod_info{pod="virt-handler-asdf", node="node01"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
- series: 'kube_pod_status_ready{pod="virt-handler-asdf", condition="true"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
- series: 'kube_pod_info{pod="virt-launcher-testvm-123", node="node01"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-handler-asdfg", node="node02"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_status_ready{pod="virt-handler-asdfg", condition="true"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-launcher-vmi", node="node02"}'
values: '1 1 1 1 1 1 1 1 1 1 1'
- series: 'kube_pod_info{pod="virt-handler-abcd", node="node03"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
- series: 'kube_pod_status_ready{pod="virt-handler-abcd", condition="true"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
- series: 'kube_pod_info{pod="virt-launcher-novmi", node="node03"}'
values: '_ _ _ _ _ _ _ _ _ _ _'
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: OrphanedVirtualMachineInstances
exp_alerts: [ ]
- eval_time: 10m
alertname: OrphanedVirtualMachineInstances
exp_alerts:
- exp_annotations:
summary: "No ready virt-handler pod detected on node node01 with running vmis for more than 10 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/OrphanedVirtualMachineInstances"
exp_labels:
node: "node01"
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# Some virt controllers are not ready
- interval: 1m
input_series:
- series: 'kubevirt_virt_controller_ready_status{namespace="ci", pod="virt-controller-1"}'
values: '1+0x11'
- series: 'kubevirt_virt_controller_ready_status{namespace="ci", pod="virt-controller-2"}'
values: '0+0x11'
- series: 'up{namespace="ci", pod="virt-controller-1"}'
values: '1+0x11'
- series: 'up{namespace="ci", pod="virt-controller-2"}'
values: '1+0x11'
alert_rule_test:
- eval_time: 10m
alertname: LowReadyVirtControllersCount
exp_alerts:
- exp_annotations:
summary: "Some virt controllers are running but not ready."
runbook_url: "https://kubevirt.io/monitoring/runbooks/LowReadyVirtControllersCount"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# All virt controllers are not ready
- interval: 1m
input_series:
- series: 'kubevirt_virt_controller_ready_status{namespace="ci", pod="virt-controller-1"}'
values: "0 0 0 0 0 0 0 0 0 0 0"
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: NoReadyVirtController
exp_alerts: [ ]
- eval_time: 10m
alertname: NoReadyVirtController
exp_alerts:
- exp_annotations:
summary: "No ready virt-controller was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/NoReadyVirtController"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# All virt controllers are not ready (ImagePullBackOff)
- interval: 1m
input_series:
- series: 'kubevirt_virt_controller_ready_status{namespace="ci", pod="virt-controller-1"}'
values: "stale stale stale stale stale stale stale stale stale stale"
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: NoReadyVirtController
exp_alerts: [ ]
- eval_time: 10m
alertname: NoReadyVirtController
exp_alerts:
- exp_annotations:
summary: "No ready virt-controller was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/NoReadyVirtController"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# All virt operators are not ready (ImagePullBackOff)
- interval: 1m
input_series:
- series: 'kubevirt_virt_operator_ready_status{namespace="ci", pod="virt-operator-1"}'
values: "stale stale stale stale stale stale stale stale stale stale"
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: NoReadyVirtOperator
exp_alerts: [ ]
- eval_time: 10m
alertname: NoReadyVirtOperator
exp_alerts:
- exp_annotations:
summary: "No ready virt-operator was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/NoReadyVirtOperator"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# All virt operators are not ready
- interval: 1m
input_series:
- series: 'kubevirt_virt_operator_ready_status{namespace="ci", pod="virt-operator-1"}'
values: "0 0 0 0 0 0 0 0 0 0 0"
alert_rule_test:
# no alert before 10 minutes
- eval_time: 9m
alertname: NoReadyVirtOperator
exp_alerts: [ ]
- eval_time: 10m
alertname: NoReadyVirtOperator
exp_alerts:
- exp_annotations:
summary: "No ready virt-operator was detected for the last 10 min."
runbook_url: "https://kubevirt.io/monitoring/runbooks/NoReadyVirtOperator"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# Burst REST errors
# values: '0+10x20' == values: "0 10 20 30 40 ... 190"
# values: '0+100x20' == values :"0 100 200 .... 1900"
# so now for EACH POD the total requests should be 10+20+30+..+190+100+200+300+...+1900
# and the number of requests with error code should be 190+100+200+300+...+1900 which is more than 80% of the total requests
# in each 5 minutes interval of the test and the error condition(more than 80% of the requests has error code) is true for
# more than 5 minutes(because each test run for 20 minutes) which should fire an alert for EACH POD
# values : 0+100x15 0+100x5 == :"0 100 200 .... 1400 0 100 200 300 400" we should treat values : `0+100x20` and
# values : `0+100x15 0+100x5` the same way because prometheus counters might reset
- interval: 1m
input_series:
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-controller-1", code="200"}'
values: '0+10x20'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-controller-1", code="400"}'
values: '0+100x15 0+100x5'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-operator-1", code="200"}'
values: '0+10x20'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-operator-1", code="400"}'
values: '0+100x15 0+100x5'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-handler-1", code="200"}'
values: '0+10x20'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-handler-1", code="500"}'
values: '0+100x15 0+100x5'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-api-1", code="200"}'
values: '0+10x20'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-api-1", code="500"}'
values: '0+100x15 0+100x5'
alert_rule_test:
- eval_time: 20m
alertname: VirtControllerRESTErrorsBurst
exp_alerts:
- exp_annotations:
summary: "More than 80% of the rest calls failed in virt-controller for the last 5 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtControllerRESTErrorsBurst"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 20m
alertname: VirtOperatorRESTErrorsBurst
exp_alerts:
- exp_annotations:
summary: "More than 80% of the rest calls failed in virt-operator for the last 5 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtOperatorRESTErrorsBurst"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 20m
alertname: VirtHandlerRESTErrorsBurst
exp_alerts:
- exp_annotations:
summary: "More than 80% of the rest calls failed in virt-handler for the last 5 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtHandlerRESTErrorsBurst"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 20m
alertname: VirtApiRESTErrorsBurst
exp_alerts:
- exp_annotations:
summary: "More than 80% of the rest calls failed in virt-api for the last 5 minutes"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtApiRESTErrorsBurst"
exp_labels:
severity: "critical"
operator_health_impact: "critical"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# values: '0+10x100' == values: "0 10 20 30 40 ... 990"
# values: '0+5x100' == values :"0 5 10 .... 495"
# so now for EACH POD the total requests should be 10+20+30+..+990+5+10+15+...+495
# and the number of requests with error code should be 5+10+15+...+495 which is more than 5% of the total requests
# the error condition(more than 5% of the requests has error code) is true which should fire an alert for EACH POD
# High REST errors
# values : '0+5x90 0+5x10' == :"0 5 10 .... 445 0 5 10 ... 45" we should treat values : '0+5x100' and
# values : '0+5x90 0+5x10' the same way because prometheus counters might reset
- interval: 1m
input_series:
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-controller-1", code="200"}'
values: '0+10x100'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-controller-1", code="400"}'
values: '0+5x90 0+5x10'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-operator-1", code="200"}'
values: '0+10x100'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-operator-1", code="400"}'
values: '0+5x90 0+5x10'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-handler-1", code="200"}'
values: '0+10x100'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-handler-1", code="500"}'
values: '0+5x90 0+5x10'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-api-1", code="200"}'
values: '0+10x100'
- series: 'kubevirt_rest_client_requests_total{namespace="ci", pod="virt-api-1", code="500"}'
values: '0+5x90 0+5x10'
alert_rule_test:
- eval_time: 100m
alertname: VirtControllerRESTErrorsHigh
exp_alerts:
- exp_annotations:
summary: "More than 5% of the rest calls failed in virt-controller for the last hour"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtControllerRESTErrorsHigh"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 100m
alertname: VirtOperatorRESTErrorsHigh
exp_alerts:
- exp_annotations:
summary: "More than 5% of the rest calls failed in virt-operator for the last hour"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtOperatorRESTErrorsHigh"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 100m
alertname: VirtHandlerRESTErrorsHigh
exp_alerts:
- exp_annotations:
summary: "More than 5% of the rest calls failed in virt-handler for the last hour"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtHandlerRESTErrorsHigh"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
- eval_time: 100m
alertname: VirtApiRESTErrorsHigh
exp_alerts:
- exp_annotations:
summary: "More than 5% of the rest calls failed in virt-api for the last hour"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VirtApiRESTErrorsHigh"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# Some nodes without KVM resources
- interval: 1m
input_series:
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node1"}'
values: "110 110 110 110 110 110"
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node2 "}'
values: "0 0 0 0 0 0"
alert_rule_test:
- eval_time: 5m
alertname: LowKVMNodesCount
exp_alerts:
- exp_annotations:
description: "Low number of nodes with KVM resource available."
summary: "At least two nodes with kvm resource required for VM live migration."
runbook_url: "https://kubevirt.io/monitoring/runbooks/LowKVMNodesCount"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# All nodes without KVM resources
- interval: 1m
input_series:
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node1"}'
values: "0 0 0 0 0 0"
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node2 "}'
values: "0 0 0 0 0 0"
alert_rule_test:
- eval_time: 5m
alertname: LowKVMNodesCount
exp_alerts:
- exp_annotations:
description: "Low number of nodes with KVM resource available."
summary: "At least two nodes with kvm resource required for VM live migration."
runbook_url: "https://kubevirt.io/monitoring/runbooks/LowKVMNodesCount"
exp_labels:
severity: "warning"
operator_health_impact: "warning"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
# Two nodes with KVM resources
- interval: 1m
input_series:
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node1"}'
values: "110 110 110 110 110 110"
- series: 'kube_node_status_allocatable{resource="devices_kubevirt_io_kvm", node ="node2 "}'
values: "110 110 110 110 110 110"
alert_rule_test:
- eval_time: 5m
alertname: LowKVMNodesCount
exp_alerts: []
# Memory utilization less than 50MB close to requested memory - based on memory working set
- interval: 1m
input_series:
- series: 'kube_pod_container_resource_requests{pod="virt-launcher-testvm-123", container="compute", resource="memory", namespace="ns-test"}'
values: "67108864 67108864 67108864 67108864"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "17185920 18234496 18234496 19283072"
- series: 'container_memory_rss{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "19922944 18874368 18874368 17825792"
alert_rule_test:
- eval_time: 1m
alertname: KubevirtVmHighMemoryUsage
exp_alerts:
- exp_annotations:
description: "Container compute in pod virt-launcher-testvm-123 in namespace ns-test free memory is less than 50Mi and it is close to requested memory"
summary: "VM is at risk of being evicted and in serious cases of memory exhaustion being terminated by the runtime."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubevirtVmHighMemoryUsage"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
pod: "virt-launcher-testvm-123"
container: "compute"
namespace: "ns-test"
# Memory utilization less than 50MB close to requested memory - based on memory RSS
- interval: 1m
input_series:
- series: 'kube_pod_container_resource_requests{pod="virt-launcher-testvm-123", container="compute", resource="memory", namespace="ns-test"}'
values: "67108864 67108864 67108864 67108864"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "19922944 18874368 18874368 17825792"
- series: 'container_memory_rss{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "17185920 18234496 18234496 19283072"
alert_rule_test:
- eval_time: 1m
alertname: KubevirtVmHighMemoryUsage
exp_alerts:
- exp_annotations:
description: "Container compute in pod virt-launcher-testvm-123 in namespace ns-test free memory is less than 50Mi and it is close to requested memory"
summary: "VM is at risk of being evicted and in serious cases of memory exhaustion being terminated by the runtime."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubevirtVmHighMemoryUsage"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
pod: "virt-launcher-testvm-123"
container: "compute"
namespace: "ns-test"
# Memory utilization less than 50MB close to requested memory - based on memory RSS and memory working set
- interval: 1m
input_series:
- series: 'kube_pod_container_resource_requests{pod="virt-launcher-testvm-123", container="compute", resource="memory", namespace="ns-test"}'
values: "67108864 67108864 67108864 67108864"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "17185920 18234496 18234496 19283072"
- series: 'container_memory_rss{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "17185920 18234496 18234496 19283072"
alert_rule_test:
- eval_time: 1m
alertname: KubevirtVmHighMemoryUsage
exp_alerts:
- exp_annotations:
description: "Container compute in pod virt-launcher-testvm-123 in namespace ns-test free memory is less than 50Mi and it is close to requested memory"
summary: "VM is at risk of being evicted and in serious cases of memory exhaustion being terminated by the runtime."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubevirtVmHighMemoryUsage"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
pod: "virt-launcher-testvm-123"
container: "compute"
namespace: "ns-test"
# Memory utilization more than 50MB close to requested memory
- interval: 30s
input_series:
- series: 'kube_pod_container_resource_requests{pod="virt-launcher-testvm-123", container="compute", resource="memory", namespace="ns-test"}'
values: "67108864 67108864 67108864 67108864"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "9922944 8874368 8874368 7825792"
- series: 'container_memory_rss{pod="virt-launcher-testvm-123", container="compute", namespace="ns-test"}'
values: "9922944 8874368 8874368 7825792"
alert_rule_test:
- eval_time: 1m
alertname: KubevirtVmHighMemoryUsage
exp_alerts: []
# Test recording rule
- interval: 1m
input_series:
- series: 'kube_pod_container_resource_requests{pod="virt-launcher-example-1", namespace="namespace-example-1",container="compute", resource="memory"}'
# time: 0 1 2 3
values: "1376882688 1376882688 1376882688 1376882688"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-example-1", namespace="namespace-example-1",container="compute", resource="memory", prometheus_replica="prometheus-k8s-0"}'
# time: 0 1 2 3
values: "1073176576 1073176576 1073176576 1273176576"
- series: 'container_memory_working_set_bytes{pod="virt-launcher-example-1", namespace="namespace-example-1",container="compute", resource="memory", prometheus_replica="prometheus-k8s-1"}'
# time: 0 1 2 3
values: "1073176576 1073176576 1073176576 1273176576"
promql_expr_test:
- expr: 'kubevirt_vm_container_free_memory_bytes_based_on_working_set_bytes'
eval_time: 1m
exp_samples:
- labels: 'kubevirt_vm_container_free_memory_bytes_based_on_working_set_bytes{pod="virt-launcher-example-1", namespace="namespace-example-1",container="compute"}'
value: 303706112
- expr: 'kubevirt_vm_container_free_memory_bytes_based_on_working_set_bytes'
eval_time: 3m
exp_samples:
- labels: 'kubevirt_vm_container_free_memory_bytes_based_on_working_set_bytes{pod="virt-launcher-example-1", namespace="namespace-example-1",container="compute"}'
value: 103706112
# VM eviction strategy is set but vm is not migratable
- interval: 1m
input_series:
- series: 'kubevirt_vmi_non_evictable{node="node1", namespace="ns-test", name="vm-evict-nonmigratable"}'
values: "1 1 1 1 1 1 1 1"
alert_rule_test:
- eval_time: 1m
alertname: VMCannotBeEvicted
exp_alerts:
- exp_annotations:
description: "Eviction policy for VirtualMachine vm-evict-nonmigratable in namespace ns-test (on node node1) is set to Live Migration but the VM is not migratable"
summary: "The VM's eviction strategy is set to Live Migration but the VM is not migratable"
runbook_url: "https://kubevirt.io/monitoring/runbooks/VMCannotBeEvicted"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
name: "vm-evict-nonmigratable"
namespace: "ns-test"
node: "node1"
# VM eviction strategy is set and vm is migratable
- interval: 1m
input_series:
- series: 'kubevirt_vmi_non_evictable{node="node1", namespace="ns-test", name="vm-evict-migratable"}'
values: "0 0 0 0 0 0 0 0 "
alert_rule_test:
- eval_time: 1m
alertname: VMCannotBeEvicted
exp_alerts: []
# Test recording rule
- interval: 1m
input_series:
# In reality there are many labels on these metrics
# they are the same except the ones containing vm name like "name" in the example below
- series: 'kubevirt_vmi_memory_available_bytes{container="virt-handler", name="vm-example-1", namespace="default", node="node-1"}'
# time: 0 1 2 3
values: "1376882688 1376882688 1376882688 1376882688"
- series: 'kubevirt_vmi_memory_available_bytes{container="virt-handler", name="vm-example-2", namespace="default", node="node-1"}'
# time: 0 1 2 3
values: "2893266944 2893266944 2893266944 2893266944"
- series: 'kubevirt_vmi_memory_usable_bytes{container="virt-handler", name="vm-example-1", namespace="default", node="node-1"}'
# time: 0 1 2 3
values: "1073176576 1073176576 1073176576 1273176576"
- series: 'kubevirt_vmi_memory_usable_bytes{container="virt-handler", name="vm-example-2", namespace="default", node="node-1"}'
# time: 0 1 2 3
values: "2448936960 2448936960 2448936960 2658936964"
promql_expr_test:
- expr: 'kubevirt_vmi_memory_used_bytes'
eval_time: 1m
exp_samples:
- labels: 'kubevirt_vmi_memory_used_bytes{container="virt-handler", name="vm-example-1", namespace="default", node="node-1"}'
value: 303706112
- labels: 'kubevirt_vmi_memory_used_bytes{container="virt-handler", name="vm-example-2", namespace="default", node="node-1"}'
value: 444329984
- expr: 'kubevirt_vmi_memory_used_bytes'
eval_time: 3m
exp_samples:
- labels: 'kubevirt_vmi_memory_used_bytes{container="virt-handler", name="vm-example-1", namespace="default", node="node-1"}'
value: 103706112
- labels: 'kubevirt_vmi_memory_used_bytes{container="virt-handler", name="vm-example-2", namespace="default", node="node-1"}'
value: 234329980
# Excessive VMI Migrations in a period of time
- interval: 1h
input_series:
- series: 'kubevirt_vmi_migration_succeeded{vmi="vmi-example-1", namespace="namespace-example-1"}'
# time: 0 1 2 3 4 5
values: "_ _ _ 1 7 13"
alert_rule_test:
# at 4h, there are total of 11 migrations made on a single VMI, so the alert should not be fired.
- eval_time: 4h
alertname: KubeVirtVMIExcessiveMigrations
exp_alerts: []
# at 5h, there are total of 13 migrations made on a single VMI, thus the alert is expected to be fired.
- eval_time: 5h
alertname: KubeVirtVMIExcessiveMigrations
exp_alerts:
- exp_annotations:
description: "VirtualMachineInstance vmi-example-1 in namespace namespace-example-1 has been migrated more than 12 times during the last 24 hours"
summary: "An excessive amount of migrations have been detected on a VirtualMachineInstance in the last 24 hours."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtVMIExcessiveMigrations"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
vmi: vmi-example-1
namespace: namespace-example-1
- eval_time: 24h
alertname: KubeVirtVMIExcessiveMigrations
exp_alerts:
- exp_annotations:
description: "VirtualMachineInstance vmi-example-1 in namespace namespace-example-1 has been migrated more than 12 times during the last 24 hours"
summary: "An excessive amount of migrations have been detected on a VirtualMachineInstance in the last 24 hours."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtVMIExcessiveMigrations"
exp_labels:
severity: "warning"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
vmi: vmi-example-1
namespace: namespace-example-1
# will need to evaluate 24h after the alert is triggered to disregard the increases and clear the alert.
- eval_time: 30h
alertname: KubeVirtVMIExcessiveMigrations
exp_alerts: []
# No nodes are available to host VMs
- interval: 1m
input_series:
- series: 'kube_node_labels{node="node01",label_kubevirt_io_schedulable="true"}'
values: "_ _ _ _ _ _ _ 1+0x15"
- series: 'kube_node_status_allocatable{node="node01", resource="devices_kubevirt_io_kvm"}'
values: "1000+0x15 0+0x7"
- series: 'kubevirt_configuration_emulation_enabled'
values: "0+0x22"
alert_rule_test:
# has kvm allocatable but no schedulable label
- eval_time: 6m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts:
- exp_annotations:
summary: "There are no available nodes in the cluster to run VMs."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtNoAvailableNodesToRunVMs"
exp_labels:
severity: "warning"
kubernetes_operator_component: "kubevirt"
kubernetes_operator_part_of: "kubevirt"
operator_health_impact: "critical"
# has kvm allocatable and schedulable label
- eval_time: 7m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts: []
# has schedulable label but no kvm allocatable nor emulation enabled
- eval_time: 21m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts:
- exp_annotations:
summary: "There are no available nodes in the cluster to run VMs."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtNoAvailableNodesToRunVMs"
exp_labels:
severity: "warning"
kubernetes_operator_component: "kubevirt"
kubernetes_operator_part_of: "kubevirt"
operator_health_impact: "critical"
- interval: 1m
input_series:
- series: 'kube_node_labels{node="node01",label_kubevirt_io_schedulable="true"}'
values: "0+0x7 1+0x14"
- series: 'kube_node_status_allocatable{node="node01", resource="devices_kubevirt_io_kvm"}'
values: "0+0x21"
- series: 'kubevirt_configuration_emulation_enabled'
values: "0+0x7 1+0x7 0+0x7"
alert_rule_test:
# no schedulable label
- eval_time: 6m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts:
- exp_annotations:
summary: "There are no available nodes in the cluster to run VMs."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtNoAvailableNodesToRunVMs"
exp_labels:
severity: "warning"
kubernetes_operator_component: "kubevirt"
kubernetes_operator_part_of: "kubevirt"
operator_health_impact: "critical"
# has schedulable label and emulation enabled
- eval_time: 8m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts: []
# has schedulable label, but no kvm allocatable and no emulation enabled
- eval_time: 21m
alertname: KubeVirtNoAvailableNodesToRunVMs
exp_alerts:
- exp_annotations:
summary: "There are no available nodes in the cluster to run VMs."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtNoAvailableNodesToRunVMs"
exp_labels:
severity: "warning"
kubernetes_operator_component: "kubevirt"
kubernetes_operator_part_of: "kubevirt"
operator_health_impact: "critical"
# Deprecated APIs being requested.
- interval: 1m
input_series:
- series: 'apiserver_requested_deprecated_apis{resource="virtualmachines", group="kubevirt.io", version="v1alpha3"}'
values: '0 0 1'
- series: 'apiserver_request_total{resource="virtualmachines", group="kubevirt.io", version="v1alpha3"}'
values: '0 0 1 2'
alert_rule_test:
- eval_time: 1m
alertname: KubeVirtDeprecatedAPIRequested
exp_alerts: []
- eval_time: 2m
alertname: KubeVirtDeprecatedAPIRequested
exp_alerts:
- exp_annotations:
description: "Detected requests to the deprecated virtualmachines.kubevirt.io/v1alpha3 API."
summary: "Detected 1 requests in the last 10 minutes."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtDeprecatedAPIRequested"
exp_labels:
severity: "info"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
resource: "virtualmachines"
group: "kubevirt.io"
version: "v1alpha3"
- eval_time: 3m
alertname: KubeVirtDeprecatedAPIRequested
exp_alerts:
- exp_annotations:
description: "Detected requests to the deprecated virtualmachines.kubevirt.io/v1alpha3 API."
summary: "Detected 2 requests in the last 10 minutes."
runbook_url: "https://kubevirt.io/monitoring/runbooks/KubeVirtDeprecatedAPIRequested"
exp_labels:
severity: "info"
operator_health_impact: "none"
kubernetes_operator_part_of: "kubevirt"
kubernetes_operator_component: "kubevirt"
resource: "virtualmachines"
group: "kubevirt.io"
version: "v1alpha3"
- eval_time: 13m
alertname: KubeVirtDeprecatedAPIRequested
exp_alerts: []