mirror of
https://github.com/docker/compose.git
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38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
/*
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Copyright 2020 Docker Compose CLI 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 compose
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import (
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"encoding/json"
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"github.com/compose-spec/compose-go/types"
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"github.com/opencontainers/go-digest"
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)
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// ServiceHash compute configuration has for a service
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func ServiceHash(o types.ServiceConfig) (string, error) {
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// remove the Build config when generating the service hash
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o.Build = nil
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o.PullPolicy = ""
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o.Scale = 1
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bytes, err := json.Marshal(o)
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if err != nil {
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return "", err
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}
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return digest.SHA256.FromBytes(bytes).Encoded(), nil
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}
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