1d758a5ccf
approval condition to be present and set to true, before processing further Signed-off-by: joshvanl <vleeuwenjoshua@gmail.com>
605 lines
22 KiB
Go
605 lines
22 KiB
Go
/*
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Copyright 2020 The cert-manager Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package certificaterequests
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import (
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"bytes"
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"context"
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"crypto"
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"crypto/rand"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/asn1"
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"encoding/pem"
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"errors"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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coretesting "k8s.io/client-go/testing"
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fakeclock "k8s.io/utils/clock/testing"
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"github.com/jetstack/cert-manager/pkg/api/util"
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cmapi "github.com/jetstack/cert-manager/pkg/apis/certmanager/v1"
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cmmeta "github.com/jetstack/cert-manager/pkg/apis/meta/v1"
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"github.com/jetstack/cert-manager/pkg/controller/certificaterequests/fake"
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testpkg "github.com/jetstack/cert-manager/pkg/controller/test"
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"github.com/jetstack/cert-manager/pkg/issuer"
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issuerfake "github.com/jetstack/cert-manager/pkg/issuer/fake"
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_ "github.com/jetstack/cert-manager/pkg/issuer/selfsigned"
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"github.com/jetstack/cert-manager/pkg/util/pki"
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"github.com/jetstack/cert-manager/test/unit/gen"
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)
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var (
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fixedClockStart = time.Now()
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fixedClock = fakeclock.NewFakeClock(fixedClockStart)
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)
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func generateCSR(t *testing.T, secretKey crypto.Signer, alg x509.SignatureAlgorithm) []byte {
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asn1Subj, _ := asn1.Marshal(pkix.Name{
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CommonName: "test",
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}.ToRDNSequence())
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template := x509.CertificateRequest{
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RawSubject: asn1Subj,
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SignatureAlgorithm: alg,
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}
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csrBytes, err := x509.CreateCertificateRequest(rand.Reader, &template, secretKey)
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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csr := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE REQUEST", Bytes: csrBytes})
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return csr
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}
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func generateSelfSignedCert(t *testing.T, cr *cmapi.CertificateRequest, key crypto.Signer, notBefore, notAfter time.Time) []byte {
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template, err := pki.GenerateTemplateFromCertificateRequest(cr)
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if err != nil {
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t.Errorf("failed to generate cert template from CSR: %v", err)
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t.FailNow()
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}
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template.NotAfter = notAfter
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template.NotBefore = notBefore
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derBytes, err := x509.CreateCertificate(rand.Reader, template, template, key.Public(), key)
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if err != nil {
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t.Errorf("error signing cert: %v", err)
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t.FailNow()
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}
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pemByteBuffer := bytes.NewBuffer([]byte{})
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err = pem.Encode(pemByteBuffer, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
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if err != nil {
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t.Errorf("failed to encode cert: %v", err)
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t.FailNow()
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}
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return pemByteBuffer.Bytes()
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}
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func TestSync(t *testing.T) {
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nowMetaTime := metav1.NewTime(fixedClockStart)
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skRSA, err := pki.GenerateRSAPrivateKey(2048)
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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skEC, err := pki.GenerateECPrivateKey(256)
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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csrRSAPEM := generateCSR(t, skRSA, x509.SHA256WithRSA)
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baseIssuer := gen.Issuer("test-issuer",
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gen.SetIssuerSelfSigned(cmapi.SelfSignedIssuer{}),
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gen.AddIssuerCondition(cmapi.IssuerCondition{
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Type: cmapi.IssuerConditionReady,
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Status: cmmeta.ConditionTrue,
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}),
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)
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baseCRNotApproved := gen.CertificateRequest("test-cr",
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gen.SetCertificateRequestIsCA(false),
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gen.SetCertificateRequestCSR(csrRSAPEM),
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gen.SetCertificateRequestIssuer(cmmeta.ObjectReference{
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Kind: baseIssuer.Kind,
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Name: baseIssuer.Name,
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}),
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)
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baseCR := gen.CertificateRequestFrom(baseCRNotApproved,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionApproved,
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Status: cmmeta.ConditionTrue,
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Reason: "cert-manager.io",
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Message: "Certificate request has been approved by cert-manager.io",
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LastTransitionTime: &nowMetaTime,
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}),
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)
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certRSAPEM := generateSelfSignedCert(t, baseCR, skRSA, fixedClockStart, fixedClockStart.Add(time.Hour*12))
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certRSAPEMExpired := generateSelfSignedCert(t, baseCR, skRSA, fixedClockStart.Add(-time.Hour*13), fixedClockStart.Add(-time.Hour*12))
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certECPEM := generateSelfSignedCert(t, baseCR, skEC, fixedClockStart, fixedClockStart.Add(time.Hour*12))
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certECPEMExpired := generateSelfSignedCert(t, baseCR, skEC, fixedClockStart.Add(-time.Hour*13), fixedClockStart.Add(-time.Hour*12))
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tests := map[string]testT{
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"should return nil (no action) if group name if not 'cert-manager.io' or ''": {
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certificateRequest: gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestIssuer(cmmeta.ObjectReference{
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Group: "not-cert-manager.io",
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}),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should return nil (no action) if certificate request is not approved": {
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certificateRequest: gen.CertificateRequestFrom(baseCRNotApproved),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should return nil (no action) if certificate request is denied": {
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certificateRequest: gen.CertificateRequestFrom(baseCRNotApproved,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionApproved,
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Status: cmmeta.ConditionFalse,
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Reason: cmapi.CertificateRequestReasonDenied,
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Message: "Certificate request has been denied by cert-manager.io",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should return nil (no action) if certificate request approved is set to false": {
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certificateRequest: gen.CertificateRequestFrom(baseCRNotApproved,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionApproved,
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Status: cmmeta.ConditionFalse,
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Reason: "cert-manager.io",
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Message: "Certificate request has not been approved",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should return nil (no action) if certificate request is ready and reason Issued": {
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certificateRequest: gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionTrue,
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Reason: "Issued",
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Message: "Certificate issued",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should return nil (no action) if certificate request is not ready and reason Failed": {
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certificateRequest: gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionFalse,
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Reason: "Failed",
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Message: "Certificate failed",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"should report pending if issuer not found": {
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certificateRequest: baseCR.DeepCopy(),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR},
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ExpectedEvents: []string{
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`Normal IssuerNotFound Referenced "Issuer" not found: issuer.cert-manager.io "test-issuer" not found`,
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionFalse,
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Reason: "Pending",
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Message: `Referenced "Issuer" not found: issuer.cert-manager.io "test-issuer" not found`,
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LastTransitionTime: &nowMetaTime,
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}),
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),
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)),
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},
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},
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},
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"should return error to try again if there was a error getting issuer wasn't a not found error": {
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certificateRequest: baseCR.DeepCopy(),
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helper: &issuerfake.Helper{
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GetGenericIssuerFunc: func(cmmeta.ObjectReference, string) (cmapi.GenericIssuer, error) {
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return nil, errors.New("this is a network error")
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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expectedErr: true,
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},
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"report pending if we cannot determine the issuer type (probably not set)": {
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certificateRequest: baseCR.DeepCopy(),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR,
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// no type set
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gen.Issuer(baseIssuer.Name),
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionFalse,
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Reason: "Pending",
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Message: "Missing issuer type: no issuer specified for Issuer 'default-unit-test-ns/test-issuer'",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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)),
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},
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ExpectedEvents: []string{
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"Normal IssuerTypeMissing Missing issuer type: no issuer specified for Issuer 'default-unit-test-ns/test-issuer'",
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},
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},
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},
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"should exit nil and set status pending if referenced issuer is not ready": {
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certificateRequest: baseCR.DeepCopy(),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR,
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gen.Issuer(baseIssuer.Name,
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gen.SetIssuerSelfSigned(cmapi.SelfSignedIssuer{}),
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),
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionFalse,
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Reason: "Pending",
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Message: "Referenced issuer does not have a Ready status condition",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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)),
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},
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ExpectedEvents: []string{
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"Normal IssuerNotReady Referenced issuer does not have a Ready status condition",
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},
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},
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},
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"exit nil and no action if the issuer type does not match ours (its not meant for us)": {
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certificateRequest: baseCR.DeepCopy(),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR,
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gen.Issuer(baseIssuer.Name,
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gen.AddIssuerCondition(cmapi.IssuerCondition{
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Type: cmapi.IssuerConditionReady,
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Status: cmmeta.ConditionTrue,
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}),
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gen.SetIssuerCA(cmapi.CAIssuer{}),
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),
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},
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ExpectedActions: []testpkg.Action{},
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ExpectedEvents: []string{},
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},
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},
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"if the Certificate is already set in the status then return nil and no-op, regardless of condition": {
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certificateRequest: gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestCertificate([]byte("a cert")),
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),
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR, baseIssuer},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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},
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"if calling sign errors, we should not update condition and return error to retry": {
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certificateRequest: gen.CertificateRequestFrom(baseCR),
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issuerImpl: &fake.Issuer{
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FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
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return nil, errors.New("sign call returns error")
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR, baseIssuer},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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expectedErr: true,
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},
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"if calling sign returns nil, nil then we should return nil with no-op since the underlying issuer has probably set the condition to failed": {
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certificateRequest: gen.CertificateRequestFrom(baseCR),
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issuerImpl: &fake.Issuer{
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FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
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return nil, nil
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseCR, baseIssuer},
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ExpectedEvents: []string{},
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ExpectedActions: []testpkg.Action{},
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},
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expectedErr: false,
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},
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"if calling sign returns a response but the certificate is badly formed then we fail": {
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certificateRequest: baseCR.DeepCopy(),
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issuerImpl: &fake.Issuer{
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FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
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return &issuer.IssueResponse{
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Certificate: []byte("a bad certificate"),
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}, nil
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestCertificate([]byte("a bad certificate")),
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)},
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ExpectedEvents: []string{
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"Warning DecodeError Failed to decode returned certificate: error decoding certificate PEM block",
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestCertificate([]byte("a bad certificate")),
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionFalse,
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Reason: "Failed",
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Message: "Failed to decode returned certificate: error decoding certificate PEM block",
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LastTransitionTime: &nowMetaTime,
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}),
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gen.SetCertificateRequestFailureTime(nowMetaTime),
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),
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)),
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},
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},
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},
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"if calling sign returns a response with a valid RSA signed certificate then set condition Ready": {
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certificateRequest: baseCR.DeepCopy(),
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issuerImpl: &fake.Issuer{
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FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
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return &issuer.IssueResponse{
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Certificate: certRSAPEM,
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}, nil
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR.DeepCopy()},
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ExpectedEvents: []string{
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"Normal CertificateIssued Certificate fetched from issuer successfully",
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestCertificate(certRSAPEM),
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionTrue,
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Reason: "Issued",
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Message: "Certificate fetched from issuer successfully",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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)),
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},
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},
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},
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"if calling sign returns a response with an expired RSA certificate then set condition Ready": {
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certificateRequest: baseCR.DeepCopy(),
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issuerImpl: &fake.Issuer{
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FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
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return &issuer.IssueResponse{
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Certificate: certRSAPEMExpired,
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}, nil
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},
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},
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builder: &testpkg.Builder{
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CertManagerObjects: []runtime.Object{baseIssuer, baseCR.DeepCopy()},
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ExpectedEvents: []string{
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"Normal CertificateIssued Certificate fetched from issuer successfully",
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},
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ExpectedActions: []testpkg.Action{
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testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
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cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
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"status",
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gen.DefaultTestNamespace,
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gen.CertificateRequestFrom(baseCR,
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gen.SetCertificateRequestCertificate(certRSAPEMExpired),
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gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionTrue,
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Reason: "Issued",
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Message: "Certificate fetched from issuer successfully",
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LastTransitionTime: &nowMetaTime,
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}),
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),
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)),
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},
|
|
},
|
|
},
|
|
"if calling sign returns a response with a valid EC signed certificate then set condition Ready": {
|
|
certificateRequest: baseCR.DeepCopy(),
|
|
issuerImpl: &fake.Issuer{
|
|
FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
|
|
return &issuer.IssueResponse{
|
|
Certificate: certECPEM,
|
|
}, nil
|
|
},
|
|
},
|
|
builder: &testpkg.Builder{
|
|
CertManagerObjects: []runtime.Object{baseIssuer, baseCR.DeepCopy()},
|
|
ExpectedEvents: []string{
|
|
"Normal CertificateIssued Certificate fetched from issuer successfully",
|
|
},
|
|
ExpectedActions: []testpkg.Action{
|
|
testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
|
|
cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
|
|
"status",
|
|
gen.DefaultTestNamespace,
|
|
gen.CertificateRequestFrom(baseCR,
|
|
gen.SetCertificateRequestCertificate(certECPEM),
|
|
gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
|
|
Type: cmapi.CertificateRequestConditionReady,
|
|
Status: cmmeta.ConditionTrue,
|
|
Reason: "Issued",
|
|
Message: "Certificate fetched from issuer successfully",
|
|
LastTransitionTime: &nowMetaTime,
|
|
}),
|
|
),
|
|
)),
|
|
},
|
|
},
|
|
},
|
|
"if calling sign returns a response with an expired EC certificate then set condition Ready": {
|
|
certificateRequest: baseCR.DeepCopy(),
|
|
issuerImpl: &fake.Issuer{
|
|
FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
|
|
return &issuer.IssueResponse{
|
|
Certificate: certECPEMExpired,
|
|
}, nil
|
|
},
|
|
},
|
|
builder: &testpkg.Builder{
|
|
CertManagerObjects: []runtime.Object{baseIssuer, baseCR.DeepCopy()},
|
|
ExpectedEvents: []string{
|
|
"Normal CertificateIssued Certificate fetched from issuer successfully",
|
|
},
|
|
ExpectedActions: []testpkg.Action{
|
|
testpkg.NewAction(coretesting.NewUpdateSubresourceAction(
|
|
cmapi.SchemeGroupVersion.WithResource("certificaterequests"),
|
|
"status",
|
|
gen.DefaultTestNamespace,
|
|
gen.CertificateRequestFrom(baseCR,
|
|
gen.SetCertificateRequestCertificate(certECPEMExpired),
|
|
gen.SetCertificateRequestStatusCondition(cmapi.CertificateRequestCondition{
|
|
Type: cmapi.CertificateRequestConditionReady,
|
|
Status: cmmeta.ConditionTrue,
|
|
Reason: "Issued",
|
|
Message: "Certificate fetched from issuer successfully",
|
|
LastTransitionTime: &nowMetaTime,
|
|
}),
|
|
),
|
|
)),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
for n, test := range tests {
|
|
t.Run(n, func(t *testing.T) {
|
|
fixedClock.SetTime(fixedClockStart)
|
|
runTest(t, test)
|
|
})
|
|
}
|
|
}
|
|
|
|
type testT struct {
|
|
builder *testpkg.Builder
|
|
issuerImpl Issuer
|
|
certificateRequest *cmapi.CertificateRequest
|
|
helper *issuerfake.Helper
|
|
expectedErr bool
|
|
}
|
|
|
|
func runTest(t *testing.T, test testT) {
|
|
test.builder.T = t
|
|
test.builder.Clock = fixedClock
|
|
test.builder.Init()
|
|
|
|
defer test.builder.Stop()
|
|
|
|
if test.issuerImpl == nil {
|
|
test.issuerImpl = &fake.Issuer{
|
|
FakeSign: func(context.Context, *cmapi.CertificateRequest, cmapi.GenericIssuer) (*issuer.IssueResponse, error) {
|
|
return nil, errors.New("unexpected sign call")
|
|
},
|
|
}
|
|
}
|
|
|
|
c := New(util.IssuerSelfSigned, test.issuerImpl)
|
|
c.Register(test.builder.Context)
|
|
|
|
if test.helper != nil {
|
|
c.helper = test.helper
|
|
}
|
|
|
|
test.builder.Start()
|
|
|
|
err := c.Sync(context.Background(), test.certificateRequest)
|
|
if err != nil && !test.expectedErr {
|
|
t.Errorf("expected to not get an error, but got: %v", err)
|
|
}
|
|
if err == nil && test.expectedErr {
|
|
t.Errorf("expected to get an error but did not get one")
|
|
}
|
|
test.builder.CheckAndFinish(err)
|
|
}
|