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|
// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package krusty_test
import (
"testing"
kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
)
// Here's a structure of two kustomizations,
// `dev` and `prod`, individually deployable,
// that depend on a diamond that combines
// multiple tenants (kirk, spock and bones),
// each sharing a common base.
//
// The objects used are contrived to avoid
// clouding the example with authentic
// but verbose Deployment boilerplate.
//
// Patches are applied at various levels,
// requiring more specificity as needed.
//
// dev prod
// \ /
// tenants
// / | \
// kirk spock bones
// \ | /
// base
//
func writeDiamondBase(th kusttest_test.Harness) {
th.WriteK("base", `
resources:
- deploy.yaml
`)
th.WriteF("base/deploy.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: storefront
spec:
numReplicas: 1
`)
}
func writeKirk(th kusttest_test.Harness) {
th.WriteK("kirk", `
namePrefix: kirk-
resources:
- ../base
- configmap.yaml
patchesStrategicMerge:
- dep-patch.yaml
`)
th.WriteF("kirk/dep-patch.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: storefront
spec:
type: Confident
`)
th.WriteF("kirk/configmap.yaml", `
apiVersion: v1
kind: ConfigMap
metadata:
name: settings
data:
phaser: caress
`)
}
func writeSpock(th kusttest_test.Harness) {
th.WriteK("spock", `
namePrefix: spock-
resources:
- ../base
patchesStrategicMerge:
- dep-patch.yaml
`)
th.WriteF("spock/dep-patch.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: storefront
spec:
type: Logical
`)
}
func writeBones(th kusttest_test.Harness) {
th.WriteK("bones", `
namePrefix: bones-
resources:
- ../base
patchesStrategicMerge:
- dep-patch.yaml
`)
th.WriteF("bones/dep-patch.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: storefront
spec:
type: Concerned
`)
}
func writeTenants(th kusttest_test.Harness) {
th.WriteK("tenants", `
namePrefix: t-
resources:
- ../kirk
- ../spock
- ../bones
- configMap.yaml
patchesStrategicMerge:
- bones-patch.yaml
`)
th.WriteF("tenants/bones-patch.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: bones-storefront
spec:
mood: Cantankerous
`)
th.WriteF("tenants/configMap.yaml", `
apiVersion: v1
kind: ConfigMap
metadata:
name: federation
data:
zone: neutral
guardian: forever
`)
}
func TestBasicDiamond(t *testing.T) {
th := kusttest_test.MakeHarness(t)
writeDiamondBase(th)
writeKirk(th)
writeSpock(th)
writeBones(th)
writeTenants(th)
th.WriteK("prod", `
namePrefix: prod-
resources:
- ../tenants
patchesStrategicMerge:
- patches.yaml
`)
// The patch only has to be specific enough
// to match the item.
th.WriteF("prod/patches.yaml", `
apiVersion: v1
kind: Deployment
metadata:
name: t-kirk-storefront
spec:
numReplicas: 10000
---
apiVersion: v1
kind: ConfigMap
metadata:
name: federation
data:
guardian: ofTheGalaxy
---
apiVersion: v1
kind: ConfigMap
metadata:
name: t-federation
data:
zone: twilight
`)
m := th.Run("prod", th.MakeDefaultOptions())
th.AssertActualEqualsExpected(m, `
apiVersion: v1
kind: Deployment
metadata:
name: prod-t-kirk-storefront
spec:
numReplicas: 10000
type: Confident
---
apiVersion: v1
data:
phaser: caress
kind: ConfigMap
metadata:
name: prod-t-kirk-settings
---
apiVersion: v1
kind: Deployment
metadata:
name: prod-t-spock-storefront
spec:
numReplicas: 1
type: Logical
---
apiVersion: v1
kind: Deployment
metadata:
name: prod-t-bones-storefront
spec:
mood: Cantankerous
numReplicas: 1
type: Concerned
---
apiVersion: v1
data:
guardian: ofTheGalaxy
zone: twilight
kind: ConfigMap
metadata:
name: prod-t-federation
`)
}
|
