GoogleCloudPlatform / cloud-run-mesh - 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 190 units with 4,069 lines of code in units (62.4% of code).

0 very complex units (0 lines of code)
2 complex units (304 lines of code)
18 medium complex units (1,193 lines of code)
28 simple units (831 lines of code)
142 very simple units (1,741 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 pkg/mesh/istio.go	217	42	1
func initGKE() in pkg/gcp/gcp-kubeconfig.go	87	28	2
func() in pkg/hbone/hbonec.go	107	24	1
func ParseTLS() in pkg/hbone/sni.go	103	24	1
func() in pkg/mesh/krun.go	74	23	1
func configFromEnvAndMD() in pkg/gcp/gcp-kubeconfig.go	73	22	2
func findCluster() in pkg/gcp/gcp-kubeconfig.go	52	22	4
func() in pkg/sshd/ssh_exec.go	99	21	1
func() in pkg/hbone/io.go	68	20	1
func() in pkg/sshd/tcpip.go	94	16	1
func NewSSHTransport() in pkg/sshd/ssh.go	66	15	4
func() in pkg/mesh/certs.go	55	15	1
func() in meshcon/meshconnectord/snigate.go	62	14	1
func main() in cmd/krun/krun.go	75	14	0
func InitFromSecret() in pkg/sshd/ssh.go	50	13	2
func() in pkg/mesh/certs.go	49	13	1
func() in pkg/echo/echo.go	44	12	1
func() in pkg/mesh/app.go	54	12	1
func AllClusters() in pkg/gcp/gcp-kubeconfig.go	46	11	5
func() in pkg/mesh/istio.go	22	11	1
func() in pkg/k8s/k8s_client.go	37	10	1
func() in pkg/sts/sts.go	39	10	1
func handleNoTTY() in pkg/sshd/ssh_exec.go	48	9	2
func() in pkg/mesh/krun.go	31	9	1
func() in pkg/mesh/envoy.go	49	8	1
func() in pkg/mesh/krun.go	18	8	1
func() in pkg/sts/sts.go	29	8	1
func() in pkg/sts/sts.go	41	8	1
func() in pkg/sts/sts.go	37	8	1
func main() in cmd/hbone/hbone.go	36	8	0
func InitDebug() in pkg/sshd/sshd.go	39	7	1
func handlePTY() in pkg/sshd/ssh_exec.go	34	7	4
func() in pkg/mesh/app.go	15	7	1
func() in pkg/mesh/app.go	21	7	1
func() in pkg/hbone/hboned.go	35	7	1
func() in meshcon/meshconnectord/snigate.go	18	7	1
func() in pkg/k8s/k8s_client.go	22	6	1
func() in pkg/sshd/ssh.go	39	6	1
func() in pkg/sshd/ssh.go	24	6	1
func() in pkg/mesh/grpc_bootstrap.go	15	6	1
func() in pkg/mesh/app.go	24	6	1
func() in pkg/mesh/krun.go	19	6	1
func() in pkg/mesh/krun.go	14	6	1
func() in pkg/mesh/krun.go	29	6	1
func() in pkg/sts/sts.go	28	6	1
func() in pkg/hbone/sni.go	28	6	1
func() in meshcon/meshconnectord/meshenv-gcp.go	30	6	1
func() in meshcon/meshconnectord/meshenv.go	32	6	1
func getExitStatusFromError() in pkg/sshd/ssh_exec.go	17	5	1
func parseWinchRequest() in pkg/sshd/ssh_exec.go	21	5	1