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Add optional to disable strip path and enable uppercasing the name #27

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Add optional to disable strip path and enable uppercasing the name #27

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32 changes: 25 additions & 7 deletions aws-env.go
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Original file line number Diff line number Diff line change
Expand Up @@ -16,13 +16,21 @@ const (
formatDotenv = "dotenv"
)

type FormattingOpts struct {
Format string
StripPath bool
Uppercase bool
}

func main() {
if os.Getenv("AWS_ENV_PATH") == "" {
log.Println("aws-env running locally, without AWS_ENV_PATH")
return
}

recursivePtr := flag.Bool("recursive", false, "recursively process parameters on path")
stripPath := flag.Bool("strip-path", true, "remove the AWS_ENV_PATH from the environment variable name")
uppercase := flag.Bool("uppercase", false, "print the env variable in all caps")
format := flag.String("format", formatExports, "output format")
flag.Parse()

Expand All @@ -34,7 +42,8 @@ func main() {
sess := CreateSession()
client := CreateClient(sess)

ExportVariables(client, os.Getenv("AWS_ENV_PATH"), *recursivePtr, *format, "")
formattingOpts := FormattingOpts{Format: *format, StripPath: *stripPath, Uppercase: *uppercase}
ExportVariables(client, os.Getenv("AWS_ENV_PATH"), *recursivePtr, formattingOpts, "")
}

func CreateSession() *session.Session {
Expand All @@ -45,7 +54,7 @@ func CreateClient(sess *session.Session) *ssm.SSM {
return ssm.New(sess)
}

func ExportVariables(client *ssm.SSM, path string, recursive bool, format string, nextToken string) {
func ExportVariables(client *ssm.SSM, path string, recursive bool, opts FormattingOpts, nextToken string) {
input := &ssm.GetParametersByPathInput{
Path: &path,
WithDecryption: aws.Bool(true),
Expand All @@ -63,22 +72,31 @@ func ExportVariables(client *ssm.SSM, path string, recursive bool, format string
}

for _, element := range output.Parameters {
OutputParameter(path, element, format)
OutputParameter(path, element, opts)
}

if output.NextToken != nil {
ExportVariables(client, path, recursive, format, *output.NextToken)
ExportVariables(client, path, recursive, opts, *output.NextToken)
}
}

func OutputParameter(path string, parameter *ssm.Parameter, format string) {
func OutputParameter(path string, parameter *ssm.Parameter, opts FormattingOpts) {
name := *parameter.Name
value := *parameter.Value

env := strings.Replace(strings.Trim(name[len(path):], "/"), "/", "_", -1)
if opts.StripPath {
name = name[len(path):]
}

env := strings.Replace(strings.Trim(name, "/"), "/", "_", -1)

if opts.Uppercase {
env = strings.ToUpper(env)
}

value = strings.Replace(value, "\n", "\\n", -1)

switch format {
switch opts.Format {
case formatExports:
fmt.Printf("export %s=$'%s'\n", env, value)
case formatDotenv:
Expand Down