feat: finally implement app new command

cli/app.go

@@ -113,7 +113,9 @@ on your $PATH.
 			logrus.Fatal(fmt.Errorf("'%s' cannot be longer than 45 characters", sanitisedAppName))
 		}
 
-		config.CopyAppEnvSample(appType, AppName, Server)
+		if err := config.CopyAppEnvSample(appType, AppName, Server); err != nil {
+			logrus.Fatal(err)
+		}
 
 		secrets := make(map[string]string)
 		if Secrets {
@@ -123,7 +125,7 @@ on your $PATH.
 				logrus.Fatal(err)
 			}
 			secretEnvVars := secret.ReadSecretEnvVars(appEnv)
-			secrets, err = secret.GenerateSecrets(secretEnvVars, Server)
+			secrets, err = secret.GenerateSecrets(secretEnvVars, sanitisedAppName, Server)
 			if err != nil {
 				logrus.Fatal(err)
 			}

client/secret.go

@@ -1,5 +1,25 @@
 package client
 
+import (
+	"context"
+
+	"github.com/docker/docker/api/types/swarm"
+)
+
 func StoreSecret(secretName, secretValue, server string) error {
+	cl, err := NewClientWithContext(server)
+	if err != nil {
+		return err
+	}
+
+	ctx := context.Background()
+	ann := swarm.Annotations{Name: secretName}
+	spec := swarm.SecretSpec{Annotations: ann, Data: []byte(secretValue)}
+
+	// We don't bother with the secret IDs for now
+	if _, err := cl.SecretCreate(ctx, spec); err != nil {
+		return err
+	}
+
 	return nil
 }

config/env.go

@@ -208,6 +208,10 @@ func CopyAppEnvSample(appType, appName, server string) error {
 	}
 
 	appEnvPath := path.Join(ABRA_DIR, "servers", server, fmt.Sprintf("%s.env", appName))
+	if _, err := os.Stat(appEnvPath); err == nil {
+		return fmt.Errorf("%s already exists?", appEnvPath)
+	}
+
 	err = ioutil.WriteFile(appEnvPath, envSample, 0755)
 	if err != nil {
 		return err

secret/secret.go

@@ -80,39 +80,55 @@ func ParseSecretEnvVarValue(secretValue string) (SecretValue, error) {
 		if err != nil {
 			return SecretValue{}, err
 		}
-		return SecretValue{Version: values[0], Length: length}, nil
+		version := strings.ReplaceAll(values[0], " ", "")
+		return SecretValue{Version: version, Length: length}, nil
 	}
 }
 
-func GenerateSecrets(secretEnvVars map[string]string, server string) (map[string]string, error) {
+func GenerateSecrets(secretEnvVars map[string]string, appName, server string) (map[string]string, error) {
 	secrets := make(map[string]string)
 
+	ch := make(chan error, len(secretEnvVars))
 	for secretEnvVar := range secretEnvVars {
-		secretName := ParseSecretEnvVarName(secretEnvVar)
-		secretValue, err := ParseSecretEnvVarValue(secretEnvVars[secretEnvVar])
+		go func(s string) {
+			secretName := ParseSecretEnvVarName(s)
+			secretValue, err := ParseSecretEnvVarValue(secretEnvVars[s])
+			if err != nil {
+				ch <- err
+				return
+			}
+			secretRemoteName := fmt.Sprintf("%s_%s_%s", appName, secretName, secretValue.Version)
+			if secretValue.Length > 0 {
+				passwords, err := GeneratePasswords(1, uint(secretValue.Length))
+				if err != nil {
+					ch <- err
+					return
+				}
+				if err := client.StoreSecret(secretRemoteName, passwords[0], server); err != nil {
+					ch <- err
+					return
+				}
+				secrets[secretName] = passwords[0]
+			} else {
+				passphrases, err := GeneratePassphrases(1)
+				if err != nil {
+					ch <- err
+					return
+				}
+				if err := client.StoreSecret(secretRemoteName, passphrases[0], server); err != nil {
+					ch <- err
+				}
+				secrets[secretName] = passphrases[0]
+			}
+			ch <- nil
+		}(secretEnvVar)
+	}
+
+	for range secretEnvVars {
+		err := <-ch
 		if err != nil {
 			return nil, err
 		}
-
-		if secretValue.Length > 0 {
-			passwords, err := GeneratePasswords(1, uint(secretValue.Length))
-			if err != nil {
-				return nil, err
-			}
-			secrets[secretName] = passwords[0]
-			if err := client.StoreSecret(secretName, passwords[0], server); err != nil {
-				return nil, err
-			}
-		} else {
-			passphrases, err := GeneratePassphrases(1)
-			if err != nil {
-				return nil, err
-			}
-			secrets[secretName] = passphrases[0]
-			if err := client.StoreSecret(secretName, passphrases[0], server); err != nil {
-				return nil, err
-			}
-		}
 	}
 
 	return secrets, nil