aws / etcdadm-controller - 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 136 units with 2,028 lines of code in units (38.9% of code).

0 very complex units (0 lines of code)
1 complex units (122 lines of code)
6 medium complex units (387 lines of code)
7 simple units (290 lines of code)
122 very simple units (1,229 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/controller.go	122	34	1
func() in controllers/periodic_healthcheck.go	101	25	1
func() in controllers/controller.go	75	22	1
func() in controllers/periodic_healthcheck.go	66	16	1
func() in controllers/status.go	69	14	1
func() in controllers/scale.go	36	13	1
func() in controllers/healthcheck.go	40	11	1
func getEtcdMachineAddress() in controllers/helpers.go	25	10	1
func RegisterConversions() in api/v1alpha3/zz_generated.conversion.go	43	9	1
func() in controllers/certs.go	77	9	1
func() in controllers/controller.go	31	7	1
func MatchesTemplateClonedFrom() in controllers/etcd_plane.go	21	7	2
func() in api/v1beta1/etcdadmcluster_webhook.go	38	6	1
func main() in main.go	55	6	0
func() in controllers/machines.go	16	5	1
func() in controllers/machines.go	25	5	1
func() in controllers/helpers.go	31	5	1
func() in controllers/healthcheck.go	30	5	1
func NewEtcdPlane() in controllers/etcd_plane.go	26	5	5
func getEtcdadmConfigs() in controllers/etcd_plane.go	18	5	3
func autoConvert_v1alpha3_EtcdadmClusterList_To_v1beta1_EtcdadmClusterList() in api/v1alpha3/zz_generated.conversion.go	15	4	3
func autoConvert_v1beta1_EtcdadmClusterList_To_v1alpha3_EtcdadmClusterList() in api/v1alpha3/zz_generated.conversion.go	15	4	3
func() in controllers/certs.go	17	4	1
func() in controllers/certs.go	17	4	1
func() in controllers/upgrade.go	20	4	1
func() in controllers/controller.go	28	4	1
func() in controllers/controller.go	11	4	1
func() in controllers/periodic_healthcheck.go	14	4	1
func stringSlicesEqual() in controllers/helpers.go	11	4	2
func() in controllers/helpers.go	20	4	1
func selectMachineForScaleDown() in controllers/etcd_plane.go	12	4	2
func getInfraResources() in controllers/etcd_plane.go	14	4	3
func() in api/v1beta1/etcdadmcluster_webhook.go	10	3	1
func() in api/v1beta1/zz_generated.deepcopy.go	12	3	1
func() in api/v1beta1/zz_generated.deepcopy.go	10	3	1
func autoConvert_v1alpha3_EtcdadmCluster_To_v1beta1_EtcdadmCluster() in api/v1alpha3/zz_generated.conversion.go	10	3	3
func autoConvert_v1beta1_EtcdadmCluster_To_v1alpha3_EtcdadmCluster() in api/v1alpha3/zz_generated.conversion.go	10	3	3
func() in api/v1alpha3/zz_generated.deepcopy.go	12	3	1
func() in api/v1alpha3/zz_generated.deepcopy.go	10	3	1
func() in controllers/upgrade.go	10	3	1
func() in controllers/scale.go	8	3	1
func() in controllers/scale.go	12	3	1
func() in controllers/scale.go	21	3	1
func() in controllers/machines.go	9	3	1
func() in controllers/machines.go	14	3	1
func getEtcdMachineAddressFromClientURL() in controllers/helpers.go	11	3	1
func memberForPeerURLs() in controllers/helpers.go	8	3	2
func parseEtcdHealthCheckOutput() in controllers/healthcheck.go	10	3	1
func isPortOpen() in controllers/healthcheck.go	11	3	2
func() in controllers/testutils.go	14	3	1