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Configuration file options can now be overriden using environment variables using GF_<SectionName>_<KeyName> syntax, if Section name contains dots in config they are replaced with underscores, and the section name and keyname needs to be all upper case, #1473

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This commit is contained in:
Torkel Ödegaard 2015-02-12 13:31:41 +01:00
parent 2c16b0f0f3
commit 79f798f67b
3 changed files with 28 additions and 5 deletions
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10
pkg/services/sqlstore/migrator/migrator.go
View File

@ -5,9 +5,9 @@ import (
_ "github.com/go-sql-driver/mysql"
"github.com/go-xorm/xorm"
"github.com/grafana/grafana/pkg/log"
_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
"github.com/grafana/grafana/pkg/log"
)
type Migrator struct {
@ -70,7 +70,7 @@ func (mg *Migrator) GetMigrationLog() (map[string]MigrationLog, error) {
func (mg *Migrator) Start() error {
if mg.LogLevel <= log.INFO {
log.Info("Migrator:: Starting DB migration")
log.Info("Migrator: Starting DB migration")
}
logMap, err := mg.GetMigrationLog()
@ -82,7 +82,7 @@ func (mg *Migrator) Start() error {
_, exists := logMap[m.Id()]
if exists {
if mg.LogLevel <= log.DEBUG {
log.Debug("Migrator:: Skipping migration: %v, Already executed", m.Id())
log.Debug("Migrator: Skipping migration: %v, Already executed", m.Id())
}
continue
}
@ -114,13 +114,13 @@ func (mg *Migrator) Start() error {
func (mg *Migrator) exec(m Migration) error {
if mg.LogLevel <= log.INFO {
log.Info("Migrator::exec migration id: %v", m.Id())
log.Info("Migrator: exec migration id: %v", m.Id())
}
err := mg.inTransaction(func(sess *xorm.Session) error {
_, err := sess.Exec(m.Sql(mg.dialect))
if err != nil {
log.Error(3, "Migrator::exec FAILED migration id: %v, err: %v", m.Id(), err)
log.Error(3, "Migrator: exec FAILED migration id: %v, err: %v", m.Id(), err)
return err
}
return nil

13
pkg/setting/setting.go
View File

@ -4,6 +4,7 @@
package setting
import (
"fmt"
"net/url"
"os"
"path"
@ -148,7 +149,19 @@ func ToAbsUrl(relativeUrl string) string {
}
func loadEnvVariableOverrides() {
for _, section := range Cfg.Sections() {
for _, key := range section.Keys() {
sectionName := strings.ToUpper(strings.Replace(section.Name(), ".", "_", -1))
keyName := strings.ToUpper(strings.Replace(key.Name(), ".", "_", -1))
envKey := fmt.Sprintf("GF_%s_%s", sectionName, keyName)
envValue := os.Getenv(envKey)
if len(envValue) > 0 {
log.Info("Setting: ENV override found: %s", envKey)
key.SetValue(envValue)
}
}
}
}
func NewConfigContext() {

10
pkg/setting/setting_test.go
View File

@ -1,6 +1,7 @@
package setting
import (
"os"
"path/filepath"
"testing"
@ -17,6 +18,15 @@ func TestLoadingSettings(t *testing.T) {
NewConfigContext()
So(AppName, ShouldEqual, "Grafana")
So(AdminUser, ShouldEqual, "admin")
})
Convey("Should be able to override via environment variables", func() {
os.Setenv("GF_SECURITY_ADMIN_USER", "superduper")
NewConfigContext()
So(AdminUser, ShouldEqual, "superduper")
})
})
}