spotify / flink-on-k8s-operatorConditional 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 345 units with 6,436 lines of code in units (23.5% of code).

2 very complex units (469 lines of code)
5 complex units (616 lines of code)
25 medium complex units (1,369 lines of code)
37 simple units (1,110 lines of code)
276 very simple units (2,872 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() in controllers/flinkcluster/flinkcluster_updater.go	320	89	1
func() in controllers/flinkcluster/flinkcluster_updater.go	149	59	1
func() in controllers/flinkcluster/flinkcluster_reconciler.go	125	43	1
func() in apis/flinkcluster/v1beta1/zz_generated.deepcopy.go	165	38	1
func() in apis/flinkcluster/v1beta1/zz_generated.deepcopy.go	135	34	1
func() in apis/flinkcluster/v1beta1/zz_generated.deepcopy.go	121	30	1
func() in controllers/flinkcluster/flinkcluster_updater.go	70	26	1
func() in controllers/flinkcluster/flinkcluster_updater.go	127	21	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	42	20	1
func() in apis/flinkcluster/v1beta1/zz_generated.deepcopy.go	87	20	1
func() in controllers/flinkcluster/flinkcluster_observer.go	61	20	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	37	19	1
func deriveControlStatus() in controllers/flinkcluster/flinkcluster_updater.go	52	19	4
func isComponentUpdated() in controllers/flinkcluster/flinkcluster_util.go	43	19	2
func getDesiredClusterState() in controllers/flinkcluster/flinkcluster_converter.go	48	19	1
func() in controllers/flinkcluster/flinkcluster_observer.go	71	18	1
func newJobSubmitterPodSpec() in controllers/flinkcluster/flinkcluster_converter.go	96	18	1
func() in controllers/flinkcluster/flinkcluster_controller.go	117	17	1
func() in internal/flink/client.go	47	16	1
func() in controllers/flinkcluster/flinkcluster_reconciler.go	64	16	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	30	15	1
func() in controllers/flinkcluster/flinkcluster_updater.go	46	15	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	51	14	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	50	14	1
func() in controllers/flinkcluster/flinkcluster_observer.go	60	14	1
func() in controllers/flinkcluster/flinkcluster_observer.go	70	14	1
func() in controllers/flinkcluster/flinkcluster_reconciler.go	39	13	1
func() in apis/flinkcluster/v1beta1/flinkcluster_types_util.go	28	12	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	24	12	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	22	11	1
func EqualRevision() in internal/controllers/history/controller_history.go	24	11	2
func() in controllers/flinkcluster/flinkcluster_reconciler.go	33	11	1
func _SetJobManagerDefault() in apis/flinkcluster/v1beta1/flinkcluster_default.go	51	10	2
func _SetTaskManagerDefault() in apis/flinkcluster/v1beta1/flinkcluster_default.go	51	10	2
func() in controllers/flinkcluster/flinkcluster_reconciler.go	45	10	1
func newConfigMap() in controllers/flinkcluster/flinkcluster_converter.go	59	10	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	34	9	1
func() in controllers/flinkcluster/flinkcluster_observer.go	13	9	1
func() in controllers/flinkcluster/flinkcluster_updater.go	20	9	1
func newJobManagerIngress() in controllers/flinkcluster/flinkcluster_converter.go	70	9	1
func() in apis/flinkcluster/v1beta1/flinkcluster_types_util.go	18	8	1
func() in apis/flinkcluster/v1beta1/flinkcluster_validate.go	31	8	1
func() in internal/batchscheduler/volcano/volcano.go	39	8	1
func() in controllers/flinkcluster/flinkcluster_reconciler.go	15	8	1
func() in controllers/flinkcluster/flinkcluster_observer.go	41	8	1
func() in controllers/flinkcluster/flinkcluster_observer.go	27	8	1
func getSavepointEvent() in controllers/flinkcluster/flinkcluster_util.go	29	8	1
func convertFromSavepoint() in controllers/flinkcluster/flinkcluster_converter.go	14	8	3
func shouldCleanup() in controllers/flinkcluster/flinkcluster_converter.go	27	8	2
func main() in main.go	48	8	0