GoogleCloudPlatform / osconfig - 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 1,853 units with 17,244 lines of code in units (70.6% of code).

2 very complex units (643 lines of code)
10 complex units (1,400 lines of code)
33 medium complex units (1,895 lines of code)
82 simple units (2,270 lines of code)
1,726 very simple units (11,036 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 file_google_cloud_osconfig_v1_os_policy_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/os_policy.pb.go	336	72	0
func file_google_cloud_osconfig_v1_patch_jobs_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/patch_jobs.pb.go	307	72	0
func file_google_cloud_osconfig_v1_os_policy_assignments_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/os_policy_assignments.pb.go	196	45	0
func file_google_cloud_osconfig_v1_inventory_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/inventory.pb.go	197	42	0
func setConfig() in policies/policies.go	126	39	2
func file_google_cloud_osconfig_v1_patch_deployments_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/patch_deployments.pb.go	171	36	0
func() in config/package_resource.go	113	30	1
func createConfigFromMetadata() in agentconfig/agentconfig.go	114	29	1
func() in config/package_resource.go	122	28	1
func formatPackages() in agentendpoint/inventory.go	114	27	3
func file_google_cloud_osconfig_v1_vulnerability_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/vulnerability.pb.go	122	27	0
func file_google_cloud_osconfig_v1_os_policy_assignment_reports_proto_init() in e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1/os_policy_assignment_reports.pb.go	125	27	0
func checkFilters() in ospatch/updates_windows.go	88	23	5
func run() in main.go	75	21	1
func aptChanges() in policies/apt.go	75	21	4
func InstallRecipe() in policies/recipes/installrecipe.go	85	20	2
func parseZypperPatchInfo() in packages/zypper.go	79	18	1
func DisableAutoUpdates() in ospatch/system_linux.go	59	18	1
func() in agentendpoint/patch_task.go	62	17	1
func() in e2e_tests/compute/instance.go	58	17	1
func() in agentendpoint/exec_task.go	95	16	1
func runWithPty() in packages/pty_linux.go	71	16	1
func() in agentendpoint/patch_task.go	52	15	1
func() in agentendpoint/patch_linux.go	63	15	1
func() in config/exec_resource.go	56	15	1
func WatchConfig() in agentconfig/agentconfig.go	55	15	1
func runTaskLoop() in main.go	36	15	2
func GetInstalledPackages() in packages/packages_linux.go	67	14	1
func() in config/package_resource.go	46	14	1
func RunZypperPatch() in ospatch/zypper_patch.go	71	14	2
func zypperChanges() in policies/zypper.go	41	14	4
func yumChanges() in policies/yum.go	41	14	4
func mergeConfigs() in policies/local.go	48	14	2
func googetChanges() in policies/googet.go	41	14	4
func() in agentendpoint/config_task.go	63	13	1
func GetPackageUpdates() in packages/packages_linux.go	65	13	1
func() in packages/wua_windows.go	65	13	1
func parseDpkgDeb() in packages/apt_deb.go	29	12	1
func() in config/repository_resource.go	52	12	1
func() in config/file_resource.go	42	12	1
func populateInstalledCache() in config/package_resource.go	42	12	2
func GetWUAUpdates() in ospatch/updates_windows.go	39	12	5
func aptRepositories() in policies/apt.go	43	12	3
func main() in e2e_tests/main.go	51	12	0
func runServiceLoop() in main.go	40	11	1
func() in agentendpoint/patch_windows.go	40	10	1
func() in agentendpoint/agentendpoint.go	33	10	1
func() in agentendpoint/agentendpoint.go	56	10	1
func parseOsRelease() in osinfo/osinfo_linux.go	23	10	1
func getNecessaryChanges() in policies/changes.go	37	10	5