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This adds the initImage field to the custom resource definition and takes it into use. The fpga webhook image validation function is split off into a separate file. Signed-off-by: Ukri Niemimuukko <ukri.niemimuukko@intel.com>
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2020 Intel Corporation. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package v1
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import (
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"strings"
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"github.com/pkg/errors"
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"k8s.io/apimachinery/pkg/util/version"
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)
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// common functions for webhooks
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func validatePluginImage(image, expectedName string, expectedMinVersion *version.Version) error {
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parts := strings.SplitN(image, ":", 2)
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if len(parts) != 2 {
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return errors.Errorf("incorrect image field %q", image)
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}
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namespacedName := parts[0]
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versionStr := parts[1]
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parts = strings.Split(namespacedName, "/")
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name := parts[len(parts)-1]
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if name != expectedName {
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return errors.Errorf("incorrect image name %q. Make sure you use '<vendor>/%s:<version>'", name, expectedName)
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}
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ver, err := version.ParseSemantic(versionStr)
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if err != nil {
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return errors.Wrapf(err, "unable to parse version %q", versionStr)
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}
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if !ver.AtLeast(expectedMinVersion) {
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return errors.Errorf("version %q is too low. Should be at least %q", ver, expectedMinVersion)
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}
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return nil
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}
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