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Intro

For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.

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Duplication Overall

29% duplication:

26,516 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
7,829 duplicated lines

1,236 duplicates

Duplication per Extension

Duplication per Component (primary)

Duplication Between Components (50+ lines)

Download: SVG DOT (open online Graphviz editor)

From Component --> To Component	Duplicated Lines	File Pairs	Details
cluster/addons (2%) --> cluster/gce (4%)	516	54 file pairs	details...
cluster/addons (2%) --> deploy (109%)	504	9 file pairs	details...
cluster/addons (1%) --> crd/config (70%)	224	15 file pairs	details...
cluster/gce (1%) --> deploy (26%)	122	3 file pairs	details...
pkg/credentialconfig (26%) --> providers/gce (1%)	100	2 file pairs	details...
cmd/gcp-controller-manager (1%) --> pkg/csrapproval (25%)	72	1 file pair	details...
cluster/gce (<1%) --> defs (24%)	60	4 file pairs	details...
pkg/gcpcredential (21%) --> providers/gce (<1%)	54	1 file pair	details...

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Longest Duplicates

The list of 20 longest duplicates.

See data for all 1,236 duplicates...

Size	#	Folders	Files	Lines	Code
654	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	globalnetworkpolicy-crd.yaml networkpolicies-crd.yaml	45:698 (93%) 34:687 (86%)	view
329	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	networkpolicies-crd.yaml networkpolicies-crd.yaml	36:364 (43%) 367:695 (43%)	view
329	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	globalnetworkpolicy-crd.yaml networkpolicies-crd.yaml	47:375 (47%) 367:695 (43%)	view
321	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	globalnetworkpolicy-crd.yaml networkpolicies-crd.yaml	378:698 (45%) 36:356 (42%)	view
321	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	globalnetworkpolicy-crd.yaml globalnetworkpolicy-crd.yaml	47:367 (45%) 378:698 (45%)	view
178	x 2	cluster/addons/fluentd-gcp cluster/addons/fluentd-gcp	fluentd-gcp-configmap-old.yaml fluentd-gcp-configmap.yaml	102:343 (66%) 117:358 (62%)	view
162	x 2	cluster/addons/cloud-controller-manager deploy	cloud-node-controller-role.yaml cloud-node-controller-role.yaml	1:163 (100%) 1:163 (100%)	view
148	x 2	cluster/gce/gci cluster/gce/ubuntu	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
148	x 2	cluster/gce/custom cluster/gce/gci	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
148	x 2	cluster/gce/cos cluster/gce/custom	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
148	x 2	cluster/gce/cos cluster/gce/gci	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
148	x 2	cluster/gce/custom cluster/gce/ubuntu	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
148	x 2	cluster/gce/cos cluster/gce/ubuntu	master.yaml master.yaml	3:178 (100%) 3:178 (100%)	view
107	x 2	cluster/gce/custom cluster/gce/ubuntu	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
107	x 2	cluster/gce/custom cluster/gce/gci	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
107	x 2	cluster/gce/gci cluster/gce/ubuntu	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
107	x 2	cluster/gce/cos cluster/gce/ubuntu	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
107	x 2	cluster/gce/cos cluster/gce/custom	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
107	x 2	cluster/gce/cos cluster/gce/gci	node.yaml node.yaml	3:129 (100%) 3:129 (100%)	view
104	x 2	cluster/addons/calico-policy-controller cluster/addons/calico-policy-controller	globalnetworkpolicy-crd.yaml networkpolicies-crd.yaml	268:371 (14%) 52:155 (13%)	view

Duplicated Units

The list of top 9 duplicated units.

See data for all 9 unit duplicates...

Size	#	Folders	Files	Lines	Code
29	x 2	pkg/credentialconfig providers/gce/gcpcredential	config.go credentialutil.go	192:225 48:81	view
22	x 4	cluster/gce/ubuntu/mounter cluster/gce/cos/mounter cluster/gce/custom/mounter cluster/gce/gci/mounter	mounter.go mounter.go mounter.go mounter.go	37:61 37:61 37:61 37:61	view
21	x 4	cluster/gce/ubuntu/mounter cluster/gce/cos/mounter cluster/gce/custom/mounter cluster/gce/gci/mounter	mounter.go mounter.go mounter.go mounter.go	64:93 64:93 64:93 64:93	view
18	x 2	pkg/credentialconfig providers/gce/gcpcredential	config.go registry_marshal.go	296:324 76:104	view
14	x 2	cmd/gcp-controller-manager pkg/csrapproval	node_csr_approver.go csrapproval.go	272:289 262:279	view
13	x 2	providers/gce providers/gce	gce_loadbalancer_external.go gce_loadbalancer_internal.go	659:672 765:778	view
9	x 2	cmd/gcp-controller-manager cmd/gcp-controller-manager	istiod_csr_approver.go oidc_csr_approver.go	78:87 72:81	view
8	x 2	cmd/gcp-controller-manager cmd/gcp-controller-manager	istiod_csr_approver.go oidc_csr_approver.go	68:76 62:70	view
7	x 2	pkg/controller/nodeipam/config/v1alpha1 pkg/controller/nodeipam/config/v1alpha1	zz_generated.conversion.go zz_generated.conversion.go	84:91 93:100	view