aws / aws-node-termination-handler - Conditional Complexity

Intro

Conditional complexity (also called cyclomatic complexity) is a term used to measure the complexity of software. The term refers to the number of possible paths through a program function. A higher value ofter means higher maintenance and testing costs (infosecinstitute.com).
Conditional complexity is calculated by counting all conditions in the program that can affect the execution path (e.g. if statement, loops, switches, and/or operators, try and catch blocks...).
Conditional complexity is measured at the unit level (methods, functions...).
Units are classified in four categories based on the measured McCabe index: 1-5 (simple units), 6-10 (medium complex units), 11-25 (complex units), 26+ (very complex units).

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Conditional Complexity Overall

There are 181 units with 3,430 lines of code in units (56.7% of code).

0 very complex units (0 lines of code)
2 complex units (332 lines of code)
10 medium complex units (529 lines of code)
29 simple units (821 lines of code)
140 very simple units (1,748 lines of code)

Legend:

51+

26-50

11-25

6-10

1-5

Alternative Visuals

3D view of all units

Conditional Complexity per Extension

51+

26-50

11-25

6-10

1-5

Conditional Complexity per Logical Component

primary logical decomposition

51+

26-50

11-25

6-10

1-5

Most Complex Units

Top 50 most complex units

Unit	# lines	McCabe index	# params
func main() in cmd/node-termination-handler.go	208	46	0
func ParseCliArgs() in pkg/config/config.go	124	31	0
func() in pkg/interruptionevent/draincordon/handler.go	61	21	1
func() in pkg/monitor/sqsevent/sqs-monitor.go	74	20	1
func Post() in pkg/webhook/webhook.go	77	14	3
func() in pkg/monitor/sqsevent/sqs-monitor.go	43	13	1
func removeTaint() in pkg/node/node.go	51	13	3
func() in pkg/node/node.go	50	12	1
func addTaint() in pkg/node/node.go	50	12	5
func() in pkg/ec2metadata/ec2metadata.go	47	11	1
func() in pkg/monitor/sqsevent/sqs-monitor.go	39	11	1
func() in pkg/ec2helper/ec2helper.go	37	11	1
func() in pkg/node/node.go	43	10	1
func() in pkg/monitor/sqsevent/asg-lifecycle-event.go	50	9	1
func generateNodeAnnotations() in pkg/observability/k8s-events.go	28	9	2
func() in pkg/monitor/scheduledevent/scheduled-event-monitor.go	37	8	1
func() in pkg/monitor/sqsevent/asg-lifecycle-event.go	41	8	1
func() in pkg/monitor/sqsevent/sqs-monitor.go	30	8	1
func() in pkg/monitor/sqsevent/sqs-monitor.go	26	8	1
func() in pkg/monitor/sqsevent/scheduled-change-event.go	49	8	1
func() in pkg/node/node.go	29	8	1
func() in pkg/ec2metadata/ec2metadata.go	17	7	1
func() in pkg/ec2metadata/ec2metadata.go	17	7	1
func() in pkg/ec2metadata/ec2metadata.go	17	7	1
func() in pkg/ec2metadata/ec2metadata.go	24	7	1
func uncordonAfterRebootPreDrain() in pkg/monitor/scheduledevent/scheduled-event-monitor.go	24	7	2
func() in pkg/interruptionevent/asg/launch/handler.go	25	7	1
func() in pkg/interruptionevent/asg/launch/handler.go	21	7	1
func() in pkg/observability/opentelemetry.go	20	7	1
func getReasonForKindV1() in pkg/observability/k8s-events.go	19	7	2
func() in pkg/node/node.go	38	7	1
func() in pkg/node/node.go	32	7	1
func() in pkg/interruptioneventstore/interruption-event-store.go	16	6	1
func() in pkg/ec2metadata/ec2metadata.go	29	6	1
func() in pkg/monitor/spotitn/spot-itn-monitor.go	28	6	1
func() in pkg/monitor/sqsevent/asg-lifecycle-event.go	29	6	1
func ValidateWebhookConfig() in pkg/webhook/webhook.go	25	6	1
func registerMetricsWith() in pkg/observability/opentelemetry.go	41	6	1
func getReasonForKindV2() in pkg/observability/k8s-events.go	16	6	2
func() in pkg/node/node.go	21	6	1
func watchForCancellationEvents() in cmd/node-termination-handler.go	29	6	5
func() in pkg/interruptioneventstore/interruption-event-store.go	7	5	1
func() in pkg/interruptioneventstore/interruption-event-store.go	19	5	1
func() in pkg/ec2metadata/ec2metadata.go	16	5	1
func() in pkg/monitor/sqsevent/rebalance-recommendation-event.go	39	5	1
func() in pkg/monitor/sqsevent/ec2-state-change-event.go	35	5	1
func parseLifecycleEvent() in pkg/monitor/sqsevent/sqs-monitor.go	20	5	1
func() in pkg/monitor/sqsevent/spot-itn-event.go	39	5	1
func() in pkg/monitor/rebalancerecommendation/rebalance-recommendation-monitor.go	28	5	1
func InitMetrics() in pkg/observability/opentelemetry.go	20	5	2