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add secret for kubeadmin pre-idp user
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7 changes: 7 additions & 0 deletions
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data/data/manifests/tectonic/kubeadmin-password-secret.yaml.template
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| kind: Secret | ||
| apiVersion: v1 | ||
| metadata: | ||
| namespace: kube-system | ||
| name: kubeadmin | ||
| data: | ||
| kubeadmin: {{.Base64EncodedKubeadminPwHash}} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package password | ||
|
|
||
| import ( | ||
| "crypto/rand" | ||
| "math/big" | ||
|
|
||
| "github.com/openshift/installer/pkg/asset" | ||
| "golang.org/x/crypto/bcrypt" | ||
| ) | ||
|
|
||
| // KubeadminPassword is the asset for the kubeadmin user password | ||
| type KubeadminPassword struct { | ||
| Password string | ||
| PasswordHash []byte | ||
| } | ||
|
|
||
| var _ asset.Asset = (*KubeadminPassword)(nil) | ||
|
|
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| // Dependencies returns no dependencies. | ||
| func (a *KubeadminPassword) Dependencies() []asset.Asset { | ||
| return []asset.Asset{} | ||
| } | ||
|
|
||
| // Generate the kubeadmin password | ||
| func (a *KubeadminPassword) Generate(asset.Parents) error { | ||
| err := a.generateRandomPasswordHash(23) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // generateRandomPasswordHash generates a hash of a random ASCII password | ||
| // 5char-5char-5char-5char | ||
| func (a *KubeadminPassword) generateRandomPasswordHash(length int) error { | ||
| const ( | ||
| lowerLetters = "abcdefghijkmnopqrstuvwxyz" | ||
| upperLetters = "ABCDEFGHIJKLMNPQRSTUVWXYZ" | ||
| digits = "23456789" | ||
| all = lowerLetters + upperLetters + digits | ||
| ) | ||
| var password string | ||
| for i := 0; i < length; i++ { | ||
| n, err := rand.Int(rand.Reader, big.NewInt(int64(len(all)))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| newchar := string(all[n.Int64()]) | ||
| if password == "" { | ||
| password = newchar | ||
| } | ||
| if i < length-1 { | ||
| n, err = rand.Int(rand.Reader, big.NewInt(int64(len(password)+1))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| j := n.Int64() | ||
| password = password[0:j] + newchar + password[j:] | ||
| } | ||
| } | ||
| pw := []rune(password) | ||
| for _, replace := range []int{5, 11, 17} { | ||
| pw[replace] = '-' | ||
| } | ||
| if a.Password == "" { | ||
| a.Password = string(pw) | ||
| } | ||
| bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| a.PasswordHash = bytes | ||
| return nil | ||
| } | ||
|
|
||
| // Name returns the human-friendly name of the asset. | ||
| func (a *KubeadminPassword) Name() string { | ||
| return "Kubeadmin Password" | ||
| } |
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