71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
package fix
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import (
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"log"
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"strings"
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"github.com/mitchellh/mapstructure"
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)
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// FixerAmazonPrivateIP is a Fixer that replaces instances of `"private_ip":
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// true` with `"ssh_interface": "private_ip"`
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type FixerAmazonPrivateIP struct{}
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func (FixerAmazonPrivateIP) Fix(input map[string]interface{}) (map[string]interface{}, error) {
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type template struct {
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Builders []map[string]interface{}
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}
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// Decode the input into our structure, if we can
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var tpl template
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if err := mapstructure.Decode(input, &tpl); err != nil {
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return nil, err
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}
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// Go through each builder and replace the enhanced_networking if we can
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for _, builder := range tpl.Builders {
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builderTypeRaw, ok := builder["type"]
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if !ok {
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continue
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}
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builderType, ok := builderTypeRaw.(string)
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if !ok {
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continue
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}
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if !strings.HasPrefix(builderType, "amazon-") {
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continue
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}
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// if ssh_interface already set, do nothing
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if _, ok := builder["ssh_interface"]; ok {
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continue
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}
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privateIPi, ok := builder["ssh_private_ip"]
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if !ok {
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continue
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}
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privateIP, ok := privateIPi.(bool)
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if !ok {
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log.Fatalf("Wrong type for ssh_private_ip")
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continue
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}
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delete(builder, "ssh_private_ip")
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if privateIP {
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builder["ssh_interface"] = "private_ip"
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} else {
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builder["ssh_interface"] = "public_ip"
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}
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}
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input["builders"] = tpl.Builders
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return input, nil
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}
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func (FixerAmazonPrivateIP) Synopsis() string {
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return "Replaces `\"ssh_private_ip\": true` in amazon builders with `\"ssh_interface\": \"private_ip\"`"
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}
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