elastic / elastic-agent - 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 4,364 units with 63,047 lines of code in units (67.8% of code).

4 very complex units (1,264 lines of code)
30 complex units (3,528 lines of code)
214 medium complex units (12,246 lines of code)
466 simple units (14,700 lines of code)
3,650 very simple units (31,309 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 internal/pkg/eql/parser/eql_parser.go	509	84	1
func file_control_v2_proto_init() in pkg/control/v2/cproto/control_v2.pb.go	314	75	0
func installCmd() in internal/pkg/agent/cmd/install.go	242	71	2
func PerformUpgrade() in testing/upgradetest/upgrader.go	199	59	5
func buildEnrollmentFlags() in internal/pkg/agent/cmd/enroll.go	187	40	3
func runElasticAgent() in internal/pkg/agent/cmd/run.go	184	40	7
func buildEnrollArgs() in internal/pkg/agent/cmd/container.go	119	37	3
func() in pkg/component/runtime/state.go	98	37	1
func shouldFleetEnroll() in internal/pkg/agent/cmd/container.go	108	36	1
func toIntermediate() in pkg/component/component.go	163	36	4
func newContainerCommand() in internal/pkg/agent/cmd/container.go	84	35	2
func() in pkg/testing/fixture.go	123	33	1
func() in pkg/component/runtime/command.go	99	32	1
func StreamChecker() in internal/pkg/agent/application/filters/stream_checker.go	110	31	2
func compareEQ() in internal/pkg/eql/compare.go	100	29	2
func compareNEQ() in internal/pkg/eql/compare.go	100	29	2
func() in internal/pkg/agent/application/upgrade/watcher.go	137	29	1
func() in internal/pkg/agent/application/coordinator/coordinator.go	75	29	1
func waitForFleetServer() in internal/pkg/agent/cmd/enroll_cmd.go	118	29	4
func collectPackageDependencies() in magefile.go	115	29	4
func New() in internal/pkg/agent/application/application.go	166	28	12
func validateEnrollFlags() in internal/pkg/agent/cmd/enroll.go	62	28	1
func() in internal/pkg/agent/application/coordinator/coordinator.go	102	27	1
func collectManagerErrors() in internal/pkg/agent/application/coordinator/coordinator.go	58	27	6
func() in internal/pkg/composable/providers/filesource/filesource.go	96	27	1
func() in pkg/testing/fixture.go	91	27	1
func authGCP() in magefile.go	124	27	1
func untar() in internal/pkg/agent/application/upgrade/step_unpack.go	103	26	4
func() in internal/pkg/agent/application/coordinator/coordinator.go	257	26	1
func enroll() in internal/pkg/agent/cmd/enroll.go	192	26	2
func() in internal/pkg/agent/cmd/enroll_cmd.go	97	26	1
func GenerateHintsMapping() in internal/pkg/composable/providers/kubernetes/hints.go	105	26	4
func getAgent() in pkg/testing/buildkite/buildkite.go	78	26	1
func runOrSkip() in pkg/testing/define/define.go	77	26	4
func Install() in internal/pkg/agent/install/install.go	111	25	10
func() in pkg/component/runtime/service.go	133	25	1
func unzip() in internal/pkg/agent/application/upgrade/step_unpack.go	100	24	4
func file_control_v1_proto_init() in pkg/control/v1/proto/control_v1.pb.go	110	24	0
func Package() in dev-tools/mage/pkg.go	89	24	0
func inspectConfig() in internal/pkg/agent/cmd/inspect.go	79	23	4
func Uninstall() in internal/pkg/agent/install/uninstall.go	83	23	7
func() in pkg/testing/fixture_install.go	99	23	1
func createTestRunner() in magefile.go	128	23	4
func extractVars() in internal/pkg/agent/transpiler/vars.go	61	22	2
func createFleetServerBootstrapConfig() in internal/pkg/agent/cmd/enroll_cmd.go	104	22	21
func generateContainerData() in internal/pkg/composable/providers/kubernetes/pod.go	134	22	7
func ZipArchive() in internal/pkg/diagnostics/diagnostics.go	112	22	7
func linuxCopy() in pkg/testing/linux/linux.go	85	22	5
func addFileToTar() in dev-tools/mage/pkgtypes.go	66	22	3
func() in dev-tools/mage/pkgtypes.go	91	21	1