mirror of
https://github.com/wahyd4/cert-manager.git
synced 2026-08-14 15:46:33 +10:00
48 lines
1.6 KiB
Go
48 lines
1.6 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 util
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import (
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"errors"
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"fmt"
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"io/ioutil"
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apiutil "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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)
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// FetchCertificateFromCR fetches the x509 certificate from a CR and stores the certificate in file specified by certFilename.
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// Assumes CR is ready, otherwise returns error.
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func FetchCertificateFromCR(req *cmapi.CertificateRequest, certFileName string) error {
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// If CR not ready yet, error
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if !apiutil.CertificateRequestHasCondition(req, cmapi.CertificateRequestCondition{
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Type: cmapi.CertificateRequestConditionReady,
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Status: cmmeta.ConditionTrue,
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}) || len(req.Status.Certificate) == 0 {
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return errors.New("CertificateRequest is not ready yet, unable to fetch certificate")
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}
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// Store certificate to file
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err := ioutil.WriteFile(certFileName, req.Status.Certificate, 0600)
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if err != nil {
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return fmt.Errorf("error when writing certificate to file: %w", err)
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}
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return nil
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}
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