fix(conjur): disable credentialStorage when set conjurapi config and fix readme for conjur provider (#977)

Signed-off-by: antoinemiquel <[email protected]>

Author: antoinemiquel

README.md

@@ -976,7 +976,7 @@ The following env vars have to be configured:
 - `CONJUR_AUTHN_LOGIN`
 - `CONJUR_AUTHN_API_KEY`
 
-- `ref+conjur://PATH/TO/VARIABLE[?address=CONJUR_APPLIANCE_URL&account=CONJUR_ACCOUNT&login=CONJUR_AUTHN_LOGIN&apikey=CONJUR_AUTHN_API_KEY]/CONJUR_SECRET_ID`
+- `ref+conjur://PATH/TO/VARIABLE/CONJUR_SECRET_ID[?address=CONJUR_APPLIANCE_URL&account=CONJUR_ACCOUNT&login=CONJUR_AUTHN_LOGIN&apikey=CONJUR_AUTHN_API_KEY]`
 
 Example:
 

pkg/providers/conjur/conjur.go

@@ -65,15 +65,12 @@ func (p *provider) GetStringMap(path string) (map[string]interface{}, error) {
 
 func (p *provider) ensureClient() (*conjurapi.Client, error) {
 	if p.client == nil {
-		config, err := conjurapi.LoadConfig()
-		if err != nil {
-			p.log.Debugf("conjur: cannot get conjur config")
-			return nil, err
+		config := conjurapi.Config{
+			ApplianceURL:      p.Address,
+			Account:           p.Account,
+			CredentialStorage: conjurapi.CredentialStorageNone,
 		}
 
-		config.ApplianceURL = p.Address
-		config.Account = p.Account
-
 		cli, err := conjurapi.NewClientFromKey(config,
 			authn.LoginPair{
 				Login:  p.Login,