sabsariandClaude Opus 4.8
648e0e45e5
Add jwtSVIDExec as a fourth exactly-one kubeConfigs source: the chart generates an exec-credential kubeconfig that authenticates to an external cluster with short-lived SPIFFE JWT-SVIDs instead of a static credential. Signed-off-by: sabsari <[email protected]> Co-authored-by: Claude Opus 4.8 <[email protected]>
384 lines
13 KiB
Go
384 lines
13 KiB
Go
package unit_test
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import (
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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helmchart "helm.sh/helm/v3/pkg/chart"
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helmloader "helm.sh/helm/v3/pkg/chart/loader"
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helmutil "helm.sh/helm/v3/pkg/chartutil"
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helmengine "helm.sh/helm/v3/pkg/engine"
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)
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func ValueStringRender(chart *helmchart.Chart, values string) (map[string]string, error) {
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v, err := helmutil.ReadValues([]byte(values))
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if err != nil {
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return nil, err
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}
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merged, err := helmutil.CoalesceValues(chart, v)
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if err != nil {
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return nil, err
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}
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testChart := *chart
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testChart.Values = merged
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var activeDeps []*helmchart.Chart
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for _, dep := range testChart.Dependencies() {
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if dep.Name() != "spire-identity-exchange" {
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activeDeps = append(activeDeps, dep)
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}
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}
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testChart.SetDependencies(activeDeps...)
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ro := helmutil.ReleaseOptions{Name: "spire", Namespace: "spire-server", Revision: 1, IsUpgrade: false, IsInstall: true}
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v, err = helmutil.ToRenderValues(&testChart, merged, ro, helmutil.DefaultCapabilities)
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if err != nil {
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return nil, err
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}
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objs, err := helmengine.Render(&testChart, v)
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return objs, err
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}
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var _ = Describe("Spire", func() {
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chart, err := helmloader.Load("../../charts/spire")
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Expect(err).Should(Succeed())
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Describe("spire-server.upstream.cert-manager", func() {
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It("issuerName when set is passed through", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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upstreamAuthority:
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certManager:
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enabled: true
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issuerName: abc123
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("abc123"))
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})
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})
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Describe("spire-server.customPlugin.tpm", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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customPlugins:
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nodeAttestor:
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tpm:
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plugin_cmd: /bin/tpm_attestor_server
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plugin_checksum: 97442358ae946e3fb8f2464432b8c23efdc0b5d44ec1eea27babe59ef646cc2f
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plugin_data: {}
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("tpm"))
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})
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})
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Describe("spire-server.unsupportedBuiltInPlugins", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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unsupportedBuiltInPlugins:
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nodeAttestor:
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join_token:
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plugin_data: {}
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("join_token"))
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})
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})
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Describe("spire-server.keyManager.aws_kms", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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keyManager:
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awsKMS:
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enabled: true
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region: us-west-2
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plugin_data: {}
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disk:
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enabled: false
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("\"aws_kms\": {"))
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})
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})
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Describe("spire-server.UpstreamAuthority.aws_pca", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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upstreamAuthority:
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awsPCA:
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enabled: true
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region: us-west-2
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plugin_data: {}
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("\"aws_pca\": {"))
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})
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})
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Describe("spire-server.UpstreamAuthority.ejbca", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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upstreamAuthority:
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ejbca:
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enabled: true
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hostname: ejbca.example.org:8443
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caName: SpireIntermediateCA
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endEntityProfileName: SpireEEP
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certificateProfileName: SpireIntermediateCACP
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secret:
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data:
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caCert: dummy-ca
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("\"ejbca\": {"))
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Expect(notes).Should(ContainSubstring("SpireIntermediateCA"))
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Expect(notes).Should(ContainSubstring("ca_cert_path"))
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})
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})
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Describe("spire-agent.customPlugin.tpm", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-agent:
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nodeAttestor:
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k8sPSAT:
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enabled: false
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customPlugins:
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nodeAttestor:
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tpm:
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plugin_cmd: /bin/tpm_attestor_agent
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plugin_checksum: bb7be714c27452231a6c7764b65912ce0cdeb66ff2a2c688d3e88bd0bd17d138
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plugin_data: {}
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-agent/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("tpm"))
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})
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})
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Describe("spire-server.unsupportedBuiltInPlugins", func() {
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It("plugin set ok", func() {
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objs, err := ValueStringRender(chart, `
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spire-agent:
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nodeAttestor:
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k8sPSAT:
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enabled: false
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unsupportedBuiltInPlugins:
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nodeAttestor:
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join_token:
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plugin_data: {}
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-agent/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring("join_token"))
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})
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})
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Describe("spire-server.disabled", func() {
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It("spire server off", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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enabled: false
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/templates/NOTES.txt"]
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Expect(notes).Should(ContainSubstring("Installed"))
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})
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})
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Describe("spire-server.nodeAttestor.x509POP", func() {
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It("renders externalPKI mode with chart-managed ca bundle", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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nodeAttestor:
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k8sPSAT:
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enabled: false
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x509POP:
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enabled: true
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mode: externalPKI
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caBundle:
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bundle: |
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-----BEGIN CERTIFICATE-----
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MIIB...
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-----END CERTIFICATE-----
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`)
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Expect(err).Should(Succeed())
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serverCM := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(serverCM).Should(ContainSubstring(`"mode": "external_pki"`))
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Expect(serverCM).Should(ContainSubstring(`"ca_bundle_path": "/run/spire/data/x509pop-ca-bundle.pem"`))
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Expect(objs).Should(HaveKey("spire/charts/spire-server/templates/x509pop-configmap.yaml"))
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serverResource := objs["spire/charts/spire-server/templates/server-resource.yaml"]
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Expect(serverResource).Should(ContainSubstring("x509pop-ca-bundle"))
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Expect(serverResource).Should(ContainSubstring("/run/spire/data/x509pop-ca-bundle.pem"))
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})
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It("renders externalPKI mode with existing ConfigMap reference", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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nodeAttestor:
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k8sPSAT:
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enabled: false
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x509POP:
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enabled: true
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mode: externalPKI
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caBundle:
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existingConfigMap: my-enrollment-ca
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`)
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Expect(err).Should(Succeed())
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serverCM := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(serverCM).Should(ContainSubstring(`"mode": "external_pki"`))
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Expect(serverCM).Should(ContainSubstring(`"ca_bundle_path": "/run/spire/data/x509pop-ca-bundle.pem"`))
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Expect(objs["spire/charts/spire-server/templates/x509pop-configmap.yaml"]).ShouldNot(ContainSubstring("kind: ConfigMap"))
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serverResource := objs["spire/charts/spire-server/templates/server-resource.yaml"]
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Expect(serverResource).Should(ContainSubstring("name: my-enrollment-ca"))
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})
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})
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Describe("spire-server.nodeAttestor.awsIID.verifyOrganization", func() {
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It("emits verify_organization in server config JSON", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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nodeAttestor:
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k8sPSAT:
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enabled: false
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awsIID:
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enabled: true
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verifyOrganization:
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enabled: true
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managementAccountId: "111122223333"
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assumeOrgRole: "spire-server-org-validator"
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managementAccountRegion: "us-east-1"
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orgAccountMapTTL: "5m"
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(notes).Should(ContainSubstring(`verify_organization`))
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Expect(notes).Should(ContainSubstring(`management_account_id`))
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Expect(notes).Should(ContainSubstring(`111122223333`))
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Expect(notes).Should(ContainSubstring(`spire-server-org-validator`))
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Expect(notes).Should(ContainSubstring(`us-east-1`))
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Expect(notes).Should(ContainSubstring(`5m`))
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})
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})
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Describe("spire-server.credentialComposer.uniqueID", func() {
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It("spire server uniqueid credential composer", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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credentialComposer:
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uniqueID:
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enabled: true
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`)
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Expect(err).Should(Succeed())
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notes := objs["spire/templates/NOTES.txt"]
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Expect(notes).Should(ContainSubstring("Installed"))
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})
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})
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Describe("spiffe-oidc-discovery-provider.jwtIssuer", func() {
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It("auto-derives jwt_issuer from global.spire.jwtIssuer and matches spire-server", func() {
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objs, err := ValueStringRender(chart, `
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global:
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spire:
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jwtIssuer: https://canonical.example.com
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`)
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Expect(err).Should(Succeed())
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oidcCM := objs["spire/charts/spiffe-oidc-discovery-provider/templates/configmap.yaml"]
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Expect(oidcCM).Should(ContainSubstring(`"jwt_issuer": "https://canonical.example.com"`))
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serverCM := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(serverCM).Should(ContainSubstring(`"jwt_issuer": "https://canonical.example.com"`))
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})
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It("propagates the subchart-local jwtIssuer to jwt_issuer", func() {
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objs, err := ValueStringRender(chart, `
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spiffe-oidc-discovery-provider:
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jwtIssuer: https://legacy.example.com
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`)
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Expect(err).Should(Succeed())
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oidcCM := objs["spire/charts/spiffe-oidc-discovery-provider/templates/configmap.yaml"]
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Expect(oidcCM).Should(ContainSubstring(`"jwt_issuer": "https://legacy.example.com"`))
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})
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It("defaults to oidc-discovery.<trustDomain> when nothing is set and strict mode is disabled", func() {
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objs, err := ValueStringRender(chart, ``)
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Expect(err).Should(Succeed())
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oidcCM := objs["spire/charts/spiffe-oidc-discovery-provider/templates/configmap.yaml"]
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Expect(oidcCM).Should(ContainSubstring(`"jwt_issuer": "https://oidc-discovery.example.org"`))
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serverCM := objs["spire/charts/spire-server/templates/configmap.yaml"]
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Expect(serverCM).Should(ContainSubstring(`"jwt_issuer": "https://oidc-discovery.example.org"`))
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})
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})
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Describe("spire-server.kubeConfigs", func() {
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secretTmpl := "spire/charts/spire-server/templates/kubeconfig-secret.yaml"
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serverTmpl := "spire/charts/spire-server/templates/server-resource.yaml"
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It("inline entry generates a Secret and a projected volume source referencing it", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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kubeConfigs:
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clustera:
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kubeConfig: |
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apiVersion: v1
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kind: Config
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`)
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Expect(err).Should(Succeed())
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Expect(objs[secretTmpl]).Should(ContainSubstring("kind: Secret"))
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Expect(objs[serverTmpl]).Should(ContainSubstring("projected:"))
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Expect(objs[serverTmpl]).Should(ContainSubstring("path: clustera"))
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})
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It("externalSecret entry wires a projected source and skips the generated Secret", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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kubeConfigs:
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clusterb:
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externalSecret:
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name: my-ext-secret
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`)
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Expect(err).Should(Succeed())
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Expect(objs[secretTmpl]).ShouldNot(ContainSubstring("kind: Secret"))
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Expect(objs[serverTmpl]).Should(ContainSubstring("name: my-ext-secret"))
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Expect(objs[serverTmpl]).Should(ContainSubstring("path: clusterb"))
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})
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It("jwtSVIDExec entry generates the Secret and stages the exec plugin", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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jwtSVIDExecConfig:
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spiffeID: spiffe://example.org/external-spire-server
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kubeConfigs:
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clusterd:
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jwtSVIDExec:
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server: https://clusterd-api.example.com:6443
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certificateAuthorityData: TESTCADATAB64==
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`)
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Expect(err).Should(Succeed())
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Expect(objs[secretTmpl]).Should(ContainSubstring("kind: Secret"))
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Expect(objs[serverTmpl]).Should(ContainSubstring("init-jwt-svid-exec"))
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})
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})
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Describe("spire-server.externalServerSubject", func() {
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It("binds the external server's downstream RBAC to a ServiceAccount subject", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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externalServer: true
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externalServerSubject:
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kind: ServiceAccount
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name: spire-external
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namespace: spire-ext
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`)
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Expect(err).Should(Succeed())
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roles := objs["spire/charts/spire-server/templates/roles.yaml"]
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Expect(roles).Should(ContainSubstring("kind: ServiceAccount"))
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Expect(roles).Should(ContainSubstring(`name: "spire-external"`))
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Expect(roles).Should(ContainSubstring(`namespace: "spire-ext"`))
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})
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It("binds the external server's downstream RBAC to a Group subject", func() {
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objs, err := ValueStringRender(chart, `
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spire-server:
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externalServer: true
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externalServerSubject:
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kind: Group
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name: spire-admins
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`)
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Expect(err).Should(Succeed())
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roles := objs["spire/charts/spire-server/templates/roles.yaml"]
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Expect(roles).Should(ContainSubstring("apiGroup: rbac.authorization.k8s.io"))
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Expect(roles).Should(ContainSubstring("kind: Group"))
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Expect(roles).Should(ContainSubstring(`name: "spire-admins"`))
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})
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})
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})
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