68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
/*
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Copyright 2018 Google LLC
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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 commands
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import (
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"github.com/GoogleContainerTools/kaniko/pkg/dockerfile"
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"github.com/GoogleContainerTools/kaniko/pkg/util"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/moby/buildkit/frontend/dockerfile/instructions"
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)
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type ArgCommand struct {
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BaseCommand
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cmd *instructions.ArgCommand
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}
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// ExecuteCommand only needs to add this ARG key/value as seen
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func (r *ArgCommand) ExecuteCommand(config *v1.Config, buildArgs *dockerfile.BuildArgs) error {
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key, val, err := ParseArg(r.cmd.Key, r.cmd.Value, config.Env, buildArgs)
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if err != nil {
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return err
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}
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buildArgs.AddArg(key, val)
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return nil
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}
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func ParseArg(key string, val *string, env []string, ba *dockerfile.BuildArgs) (string, *string, error) {
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replacementEnvs := ba.ReplacementEnvs(env)
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resolvedKey, err := util.ResolveEnvironmentReplacement(key, replacementEnvs, false)
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if err != nil {
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return "", nil, err
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}
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var resolvedValue *string
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if val != nil {
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value, err := util.ResolveEnvironmentReplacement(*val, replacementEnvs, false)
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if err != nil {
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return "", nil, err
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}
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resolvedValue = &value
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} else {
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meta := ba.GetAllMeta()
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if value, ok := meta[resolvedKey]; ok {
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resolvedValue = &value
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}
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}
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return resolvedKey, resolvedValue, nil
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}
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// String returns some information about the command for the image config history
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func (r *ArgCommand) String() string {
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return r.cmd.String()
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}
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