lando/lamp#51: Make database healthcheck not rely on pwd/user/db valu…

…es. (#42)

examples/custom/.lando.yml

@@ -9,6 +9,13 @@ services:
       database: stuff
     config:
       database: config/my.cnf
+  customnopwd:
+    type: mariadb:10.3
+    portforward: true
+    creds:
+      user: pirog
+      password:
+      database: stuff
   customimage:
     type: mariadb:custom
     portforward: true

utils/get-default-healthcheck.js

@@ -2,14 +2,21 @@
 
 // checks to see if a setting is disabled
 module.exports = options => {
-  return [
+  let healthcheck = [
     'mysql',
     `--host=${options.name}`,
-    `--user=${options.creds.user}`,
-    `--database=${options.creds.database}`,
-    `--password=${options.creds.password}`,
+  ];
+
+  // Only include whatever creds are available.
+  options.creds.user ? healthcheck.push(`--user=${options.creds.user}`) : false;
+  options.creds.database ? healthcheck.push(`--database=${options.creds.database}`) : false;
+  options.creds.password ? healthcheck.push(`--password=${options.creds.password}`) : false;
+
+  healthcheck = healthcheck.concat([
     '--silent',
     '--execute',
     '"SHOW TABLES;"',
-  ].join(' ');
+  ]);
+
+  return healthcheck.join(' ');
 };