58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
//go:generate mapstructure-to-hcl2 -type Config
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package file
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import (
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"fmt"
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"github.com/hashicorp/packer-plugin-sdk/common"
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packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
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"github.com/hashicorp/packer-plugin-sdk/template/config"
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"github.com/hashicorp/packer-plugin-sdk/template/interpolate"
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)
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var ErrTargetRequired = fmt.Errorf("target required")
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var ErrContentSourceConflict = fmt.Errorf("Cannot specify source file AND content")
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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Source string `mapstructure:"source"`
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Target string `mapstructure:"target"`
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Content string `mapstructure:"content"`
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}
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func (c *Config) Prepare(raws ...interface{}) ([]string, error) {
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warnings := []string{}
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err := config.Decode(c, &config.DecodeOpts{
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Interpolate: true,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{},
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},
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}, raws...)
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if err != nil {
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return warnings, err
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}
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var errs *packersdk.MultiError
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if c.Target == "" {
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errs = packersdk.MultiErrorAppend(errs, ErrTargetRequired)
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}
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if c.Content == "" && c.Source == "" {
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warnings = append(warnings, "Both source file and contents are blank; target will have no content")
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}
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if c.Content != "" && c.Source != "" {
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errs = packersdk.MultiErrorAppend(errs, ErrContentSourceConflict)
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}
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if errs != nil && len(errs.Errors) > 0 {
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return warnings, errs
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}
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return warnings, nil
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}
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