forked from TrueCloudLab/frostfs-node
78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package configtest
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import (
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"bufio"
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"os"
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"strings"
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"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
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)
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func fromFile(path string) *config.Config {
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var p config.Prm
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os.Clearenv() // ENVs have priority over config files so we do this in tests
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return config.New(p,
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config.WithConfigFile(path),
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)
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}
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func fromEnvFile(path string) *config.Config {
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var p config.Prm
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loadEnv(path) // github.com/joho/godotenv can do that as well
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return config.New(p)
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}
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func forEachFile(paths []string, f func(*config.Config)) {
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for i := range paths {
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f(fromFile(paths[i]))
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}
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}
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// ForEachFileType passes configs read from next files:
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// - `<pref>.yaml`;
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// - `<pref>.json`.
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func ForEachFileType(pref string, f func(*config.Config)) {
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forEachFile([]string{
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pref + ".yaml",
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pref + ".json",
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}, f)
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}
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// ForEnvFileType creates config from `<pref>.env` file.
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func ForEnvFileType(pref string, f func(*config.Config)) {
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f(fromEnvFile(pref + ".env"))
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}
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// EmptyConfig returns config without any values and sections.
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func EmptyConfig() *config.Config {
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var p config.Prm
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return config.New(p)
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}
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// loadEnv reads .env file, parses `X=Y` records and sets OS ENVs.
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func loadEnv(path string) {
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f, err := os.Open(path)
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if err != nil {
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panic("can't open .env file")
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}
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defer f.Close()
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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pair := strings.Split(scanner.Text(), "=")
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if len(pair) != 2 {
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continue
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}
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err = os.Setenv(pair[0], pair[1])
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if err != nil {
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panic("can't set environment variable")
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}
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}
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}
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