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3565618335 doc: update link title
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64ca8fe1e4 fix: wrong bit size 2024-06-27 15:27:14 +02:00
d5669a4eb5 fix: multiple environment variables interpolation in configuration file
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3 changed files with 56 additions and 28 deletions

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@ -12,7 +12,7 @@
- [(FR) - Layers](./fr/references/layers/README.md)
- [(FR) - Métriques](./fr/references/metrics.md)
- [(FR) - Fichier de configuration](../misc/packaging/common/config.yml)
- [(FR) - Configuration](./fr/references/configuration.md)
- [(FR) - API d'administration](./fr/references/admin_api.md)
## Tutoriels

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@ -0,0 +1,34 @@
# Configuration
## Référence
Vous trouverez ici un fichier de configuration de référence, complet et commenté:
[`misc/packaging/common/config.yml`](../../../misc/packaging/common/config.yml)
## Interpolation de variables
Il est possible d'utiliser de l'interpolation de variables d'environnement dans le fichier de configuration via la syntaxe `${var}`.
Les fonctions d'interpolation suivantes sont également disponibles:
- `${var^}`
- `${var^^}`
- `${var,}`
- `${var,,}`
- `${var:position}`
- `${var:position:length}`
- `${var#substring}`
- `${var##substring}`
- `${var%substring}`
- `${var%%substring}`
- `${var/substring/replacement}`
- `${var//substring/replacement}`
- `${var/#substring/replacement}`
- `${var/%substring/replacement}`
- `${#var}`
- `${var=default}`
- `${var:=default}`
- `${var:-default}`
_Voir le package [`github.com/drone/envsubst`](https://pkg.go.dev/github.com/drone/envsubst) pour plus de détails._

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@ -2,7 +2,6 @@ package config
import (
"os"
"regexp"
"strconv"
"time"
@ -11,9 +10,6 @@ import (
"gopkg.in/yaml.v3"
)
// var reVar = regexp.MustCompile(`^\${(\w+)}$`)
var reVar = regexp.MustCompile(`\${(.*?)}`)
type InterpolatedString string
func (is *InterpolatedString) UnmarshalYAML(value *yaml.Node) error {
@ -23,12 +19,13 @@ func (is *InterpolatedString) UnmarshalYAML(value *yaml.Node) error {
return errors.WithStack(err)
}
if match := reVar.FindStringSubmatch(str); len(match) > 0 {
*is = InterpolatedString(os.Getenv(match[1]))
} else {
*is = InterpolatedString(str)
str, err := envsubst.EvalEnv(str)
if err != nil {
return errors.WithStack(err)
}
*is = InterpolatedString(str)
return nil
}
@ -41,8 +38,9 @@ func (ii *InterpolatedInt) UnmarshalYAML(value *yaml.Node) error {
return errors.Wrapf(err, "could not decode value '%v' (line '%d') into string", value.Value, value.Line)
}
if match := reVar.FindStringSubmatch(str); len(match) > 0 {
str = os.Getenv(match[1])
str, err := envsubst.EvalEnv(str)
if err != nil {
return errors.WithStack(err)
}
intVal, err := strconv.ParseInt(str, 10, 32)
@ -64,11 +62,12 @@ func (ifl *InterpolatedFloat) UnmarshalYAML(value *yaml.Node) error {
return errors.Wrapf(err, "could not decode value '%v' (line '%d') into string", value.Value, value.Line)
}
if match := reVar.FindStringSubmatch(str); len(match) > 0 {
str = os.Getenv(match[1])
str, err := envsubst.EvalEnv(str)
if err != nil {
return errors.WithStack(err)
}
floatVal, err := strconv.ParseFloat(str, 10)
floatVal, err := strconv.ParseFloat(str, 32)
if err != nil {
return errors.Wrapf(err, "could not parse float '%v', line '%d'", str, value.Line)
}
@ -87,8 +86,9 @@ func (ib *InterpolatedBool) UnmarshalYAML(value *yaml.Node) error {
return errors.Wrapf(err, "could not decode value '%v' (line '%d') into string", value.Value, value.Line)
}
if match := reVar.FindStringSubmatch(str); len(match) > 0 {
str = os.Getenv(match[1])
str, err := envsubst.EvalEnv(str)
if err != nil {
return errors.WithStack(err)
}
boolVal, err := strconv.ParseBool(str)
@ -165,22 +165,15 @@ type InterpolatedStringSlice []string
func (iss *InterpolatedStringSlice) UnmarshalYAML(value *yaml.Node) error {
var data []string
var evErr error
if err := value.Decode(&data); err != nil {
return errors.Wrapf(err, "could not decode value '%v' (line '%d') into map", value.Value, value.Line)
}
for index, value := range data {
//match := reVar.FindStringSubmatch(value)
re := regexp.MustCompile(`\${(.*?)}`)
res := re.FindAllStringSubmatch(value, 10)
if len(res) > 0 {
value, evErr = envsubst.EvalEnv(value)
if evErr != nil {
return evErr
}
value, err := envsubst.EvalEnv(value)
if err != nil {
return errors.WithStack(err)
}
data[index] = value
@ -200,8 +193,9 @@ func (id *InterpolatedDuration) UnmarshalYAML(value *yaml.Node) error {
return errors.Wrapf(err, "could not decode value '%v' (line '%d') into string", value.Value, value.Line)
}
if match := reVar.FindStringSubmatch(str); len(match) > 0 {
str = os.Getenv(match[1])
str, err := envsubst.EvalEnv(str)
if err != nil {
return errors.WithStack(err)
}
duration, err := time.ParseDuration(str)