nicmanager: fix mode env var name and value (#2534)

Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>

Author: chaosben

cmd/zz_gen_cmd_dnshelp.go

@@ -23,7 +23,7 @@ const (
 // Modes.
 const (
 	ModeAnycast = "anycast"
-	ModeZone    = "zone"
+	ModeZone    = "zones"
 )
 
 // Options the Client options.

docs/content/dns/zz_gen_nicmanager.md

@@ -24,7 +24,7 @@ const (
 	EnvEmail    = envNamespace + "API_EMAIL"
 	EnvPassword = envNamespace + "API_PASSWORD"
 	EnvOTP      = envNamespace + "API_OTP"
-	EnvMode     = envNamespace + "MODE"
+	EnvMode     = envNamespace + "API_MODE"
 
 	EnvTTL                = envNamespace + "TTL"
 	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
@@ -85,7 +85,7 @@ func NewDNSProvider() (*DNSProvider, error) {
 	config := NewDefaultConfig()
 	config.Password = values[EnvPassword]
 
-	config.Mode = env.GetOrDefaultString(EnvMode, internal.ModeAnycast)
+	config.Mode = env.GetOneWithFallback(EnvMode, internal.ModeAnycast, env.ParseString, envNamespace+"MODE")
 	config.Username = env.GetOrFile(EnvUsername)
 	config.Login = env.GetOrFile(EnvLogin)
 	config.Email = env.GetOrFile(EnvEmail)

providers/dns/nicmanager/internal/client.go

@@ -31,7 +31,7 @@ Additional = '''
 ## Description
 
 You can log in using your account name + username or using your email address.
-Optionally if TOTP is configured for your account, set `NICMANAGER_API_OTP`.
+Optionally, if TOTP is configured for your account, set `NICMANAGER_API_OTP`.
 '''
 
 [Configuration]
@@ -42,7 +42,7 @@ Optionally if TOTP is configured for your account, set `NICMANAGER_API_OTP`.
     NICMANAGER_API_PASSWORD = "Password, always required"
   [Configuration.Additional]
     NICMANAGER_API_OTP = "TOTP Secret (optional)"
-    NICMANAGER_API_MODE = "mode: 'anycast' or 'zone' (default: 'anycast')"
+    NICMANAGER_API_MODE = "mode: 'anycast' or 'zones' (for FreeDNS) (default: 'anycast')"
     NICMANAGER_POLLING_INTERVAL = "Time between DNS propagation check in seconds (Default: 2)"
     NICMANAGER_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation in seconds (Default: 300)"
     NICMANAGER_TTL = "The TTL of the TXT record used for the DNS challenge in seconds (Default: 900)"