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Option to customize NamespaceTransfomer role binding subject handling

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This commit is contained in:
Katrina Verey
2022-07-08 14:18:25 -04:00
parent ab09d27ec7
commit 0c37ee89af
5 changed files with 400 additions and 57 deletions
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281
plugin/builtin/namespacetransformer/NamespaceTransformer_test.go
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@@ -14,6 +14,12 @@ const defaultFieldSpecs = `
fieldSpecs:
- path: metadata/namespace
create: true
- path: subjects/namespace
kind: RoleBinding
group: rbac.authorization.k8s.io
- path: subjects/namespace
kind: ClusterRoleBinding
group: rbac.authorization.k8s.io
- path: subjects
kind: RoleBinding
group: rbac.authorization.k8s.io
@@ -419,3 +425,278 @@ spec:
namespace: original
`)
}
func TestNamespaceTransformer_RoleBindingSubjectMode(t *testing.T) {
th := kusttest_test.MakeEnhancedHarness(t).
PrepBuiltin("NamespaceTransformer")
defer th.Reset()
defaultInput := `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: system
- kind: ServiceAccount
name: service-account
namespace: system
- kind: ServiceAccount
name: another
namespace: random
- kind: ServiceAccount
name: without-namespace
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`
tests := []struct {
name string
input string
transformerConfig string
expected string
}{
{
name: "target ALL service account subjects",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
setRoleBindingSubjects: allServiceAccounts
` + defaultFieldSpecs,
expected: `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: test
- kind: ServiceAccount
name: service-account
namespace: test
- kind: ServiceAccount
name: another
namespace: test
- kind: ServiceAccount
name: without-namespace
namespace: test
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`,
},
{
name: "target ALL subjects, role binding fieldspecs missing",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
setRoleBindingSubjects: allServiceAccounts
fieldSpecs:
- path: metadata/namespace
create: true
`,
expected: `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: test
- kind: ServiceAccount
name: service-account
namespace: test
- kind: ServiceAccount
name: another
namespace: test
- kind: ServiceAccount
name: without-namespace
namespace: test
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`,
},
{
name: "target ALL UNSET service account subjects",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
setRoleBindingSubjects: allServiceAccounts
unsetOnly: true
` + defaultFieldSpecs,
expected: `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: system
- kind: ServiceAccount
name: service-account
namespace: system
- kind: ServiceAccount
name: another
namespace: random
- kind: ServiceAccount
name: without-namespace
namespace: test
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`,
},
{
name: "target NO subjects",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
setRoleBindingSubjects: none
` + defaultFieldSpecs,
expected: defaultInput,
},
{
name: "target subject named 'default' (explicitly)",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
setRoleBindingSubjects: defaultOnly
` + defaultFieldSpecs,
expected: `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: test
- kind: ServiceAccount
name: service-account
namespace: system
- kind: ServiceAccount
name: another
namespace: random
- kind: ServiceAccount
name: without-namespace
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`,
},
{
name: "target subject named 'default' (mode unspecified)",
input: defaultInput,
transformerConfig: `
apiVersion: builtin
kind: NamespaceTransformer
metadata:
name: notImportantHere
namespace: test
` + defaultFieldSpecs,
expected: `
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: manager-rolebinding
subjects:
- kind: ServiceAccount
name: default
namespace: test
- kind: ServiceAccount
name: service-account
namespace: system
- kind: ServiceAccount
name: another
namespace: random
- kind: ServiceAccount
name: without-namespace
- kind: Unrecognized
name: no-namespace
- apiGroup: rbac.authorization.k8s.io
kind: User
name: alice@example.com
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: frontend-admins
- apiGroup: rbac.authorization.k8s.io
kind: Group
name: system:serviceaccounts:qa
`,
},
}
for i := range tests {
test := tests[i]
t.Run(test.name, func(t *testing.T) {
th.RunTransformerAndCheckResult(test.transformerConfig, test.input, test.expected)
})
}
}