kelseyhightower/kubernetes-the-hard-way

Bootstrap Kubernetes the hard way. No scripts.

★ 50,152+119 that day#6 on trending

Analyzed September 26, 2026 at 52eb26d (master) with jscpd 5.4.0 in 0.0s.

B81.8/100

Project health862 lines of code (XS)

Duplication82

0% in bash, perl

Dead coden/a

no JavaScript, TypeScript, Python or compiler-checked Rust files

Complexity82

The score is jscpd's own --health model: markup, data and text left out, tests kept. The numbers below are the trending scan's.

0.58%duplicated over all files · 18 of 3,109 lines

3clones

44files scanned

Most complex files

Dead code

Not measured: no JavaScript, TypeScript, Python or compiler-checked Rust files.

Only 10 of the files count as code, too few for a code-only percentage; the numbers above cover every file.

Largest clones

21 lines in 2 placesbashdocs and examples57 tokens

docs/05-kubernetes-configuration-files.md:72–92docs/05-kubernetes-configuration-files.md:106–127

72    --kubeconfig=kube-proxy.kubeconfig
73}
74```
75
76Results:
77
78```text
79kube-proxy.kubeconfig
80```
81

106    --kubeconfig=kube-controller-manager.kubeconfig
107}
108```
109
110Results:
111
112```text
113kube-controller-manager.kubeconfig
114```
115

First 10 of 21 lines, the second copy on the right.

11 lines in 2 placestextdocs and examples57 tokens

docs/11-pod-network-routes.md:52–62docs/11-pod-network-routes.md:62–72

5210.200.0.0/24 via XXX.XXX.XXX.XXX dev ens160
5310.200.1.0/24 via XXX.XXX.XXX.XXX dev ens160
54XXX.XXX.XXX.0/24 dev ens160 proto kernel scope link src XXX.XXX.XXX.XXX
55```
56
57```bash
58ssh root@node-0 ip route
59```
60
61```text

62default via XXX.XXX.XXX.XXX dev ens160
6310.200.1.0/24 via XXX.XXX.XXX.XXX dev ens160
64XXX.XXX.XXX.0/24 dev ens160 proto kernel scope link src XXX.XXX.XXX.XXX
65```
66
67```bash
68ssh root@node-1 ip route
69```
70
71```text

First 10 of 11 lines, the second copy on the right.

6 lines in 2 placesbashdocs and examples54 tokens

docs/05-kubernetes-configuration-files.md:53–58docs/05-kubernetes-configuration-files.md:87–92

53{
54  kubectl config set-cluster kubernetes-the-hard-way \
55    --certificate-authority=ca.crt \
56    --embed-certs=true \
57    --server=https://server.kubernetes.local:6443 \
58    --kubeconfig=kube-proxy.kubeconfig

87{
88  kubectl config set-cluster kubernetes-the-hard-way \
89    --certificate-authority=ca.crt \
90    --embed-certs=true \
91    --server=https://server.kubernetes.local:6443 \
92    --kubeconfig=kube-controller-manager.kubeconfig

By format, code only

Format	Files	Lines	Clones	Duplicated lines	Duplication
bash	9	644	0	0	0%
perl	1	174	0	0	0%

By format, all files

Format	Files	Lines	Clones	Duplicated lines	Duplication
bash	19	1,083	2	14	1.29%
text	4	109	1	4	3.67%
markdown	15	1,650	0	0	0%
perl	1	174	0	0	0%
yaml	2	58	0	0	0%
txt	2	22	0	0	0%
toml	1	13	0	0	0%

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	All files	Code	Health	Commit
Sep 26, 2026	#6	50,152 (+119)	44	3,109	3	0.58%	—	B 81.8	`52eb26d`

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