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config.go: parse config file before default

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Closes https://gitlab.com/commento/commento/issues/187
This commit is contained in:
Adhityaa Chandrasekar 2019-08-21 21:07:44 -07:00
parent 9538c9036e
commit 52f8df5183
4 changed files with 15 additions and 13 deletions
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12
api/config.go
View File

@ -58,6 +58,12 @@ func configParse() error {
"GITLAB_SECRET": "",
}
if os.Getenv("COMMENTO_CONFIG_FILE") != "" {
if err := configFileLoad(os.Getenv("COMMENTO_CONFIG_FILE")); err != nil {
return err
}
}
for key, value := range defaults {
if os.Getenv("COMMENTO_"+key) == "" {
os.Setenv(key, value)
@ -66,12 +72,6 @@ func configParse() error {
}
}
if os.Getenv("CONFIG_FILE") != "" {
if err := configFileLoad(os.Getenv("CONFIG_FILE")); err != nil {
return err
}
}
// Mandatory config parameters
for _, env := range []string{"POSTGRES", "PORT", "ORIGIN", "FORBID_NEW_OWNERS", "MAX_IDLE_PG_CONNECTIONS"} {
if os.Getenv(env) == "" {

5
api/config_file.go
View File

@ -41,11 +41,12 @@ func configFileLoad(filepath string) error {
continue
}
if os.Getenv(key[9:]) != "" {
if os.Getenv(key) != "" {
// Config files have lower precedence.
continue
}
os.Setenv(key[9:], value)
os.Setenv(key, value)
}
return nil

10
api/config_file_test.go
View File

@ -37,19 +37,19 @@ func TestConfigFileLoadBasics(t *testing.T) {
return
}
os.Setenv("PORT", "9000")
os.Setenv("COMMENTO_PORT", "9000")
if err := configFileLoad(f.Name()); err != nil {
t.Errorf("unexpected error loading config file: %v", err)
return
}
if os.Getenv("PORT") != "9000" {
t.Errorf("expected PORT=9000 got PORT=%s", os.Getenv("PORT"))
if os.Getenv("COMMENTO_PORT") != "9000" {
t.Errorf("expected COMMENTO_PORT=9000 got COMMENTO_PORT=%s", os.Getenv("COMMENTO_PORT"))
return
}
if os.Getenv("GZIP_STATIC") != "true" {
t.Errorf("expected GZIP_STATIC=true got GZIP_STATIC=%s", os.Getenv("GZIP_STATIC"))
if os.Getenv("COMMENTO_GZIP_STATIC") != "true" {
t.Errorf("expected COMMENTO_GZIP_STATIC=true got COMMENTO_GZIP_STATIC=%s", os.Getenv("COMMENTO_GZIP_STATIC"))
return
}
}

1
api/config_test.go
View File

@ -21,6 +21,7 @@ func TestConfigParseBasics(t *testing.T) {
os.Setenv("COMMENTO_BIND_ADDRESS", "192.168.1.100")
os.Setenv("COMMENTO_PORT", "")
if err := configParse(); err != nil {
t.Errorf("unexpected error when parsing config: %v", err)
return