Specify remote endpoint while seeding config

Consider remote endpoint options. Assume config file is the last argument.

Author: webengineer

readme.md

@@ -15,7 +15,7 @@ git2consul takes one or many git repositories and mirrors them into [Consul](htt
 #### Requirements / Caveats
 
 * git2consul does most of its Git work by shelling out to git.  Git must be installed and on your path.
-* git2consul does the rest of its work by calling Consul's REST API.  A Consul agent must be running on localhost.
+* git2consul does the rest of its work by calling Consul's REST API.
 * git2consul requires write access to the KV store of its Consul agent.
 * git2consul has only been tested on Unix.
 
@@ -42,18 +42,30 @@ The most minimalistic viable git2consul configuration mirrors a single git repo
 }
 ```
 
-Put that configuration in a file called `/tmp/git2consul.json`.  From the git2consul directory, upload that JSON file into the KV as your git2consul config:
+Put that configuration in a file called `/tmp/git2consul.json`.  From the git2consul directory, upload that JSON file into the local KV as your git2consul config:
 
 ```
 node utils/config_seeder.js /tmp/git2consul.json
 ```
 
+or for remote Consul endpoint:
+
+```
+node utils/config_seeder.js --endpoint remote.consul.host --port 80 /tmp/git2consul.json
+```
+
 Start git2consul:
 
 ```
 node .
 ```
 
+or for remote Consul endpoint:
+
+```
+node . --endpoint remote.consul.host --port 80
+```
+
 git2consul will now poll the "dev" branch of the "git2consul_data.git" repo once per minute.  On first run, it will mirror the 3 files into your Consul K/V with keys:
 
 ```

utils/config_seeder.js

@@ -1,6 +1,32 @@
 var fs = require('fs');
 
-var consul = require('consul')();
+/**
+ * First, check if there is a command line override for the consul endpoint.
+ * If so, use it to seed the config.
+ */
+
+var endpoint = "127.0.0.1";
+var port = 8500;
+var secure = false;
+for (var i=2; i<process.argv.length; ++i) {
+    if(process.argv[i] === '-s' || process.argv[i] === '--secure') secure = true;
+    if(process.argv[i] === '-e' || process.argv[i] === '--endpoint') {
+            if(i+1 >= process.argv.length) {
+                    logger.error("No endpoint provided with --endpoint option");
+                    process.exit(3);
+            }
+            endpoint = process.argv[i+1];
+    }
+    if(process.argv[i] === '-p' || process.argv[i] === '--port') {
+      if(i+1 >= process.argv.length) {
+        logger.error("No port provided with --port option");
+        process.exit(3);
+      }
+      port = process.argv[i+1];
+    }
+}
+
+var consul = require('consul')({'host': endpoint, 'port': port, 'secure': secure});
 
 var _ = require('underscore');
 
@@ -26,21 +52,19 @@ exports.setConfig = function(path, value, cb) {
   consul.kv.set(params, cb);
 };
 
-if (process.argv.length === 3) {
-  var config_file = process.argv[2];
-
-  console.log('Adding %s as consul config', config_file);
+var config_file = process.argv[process.argv.length-1];
 
-  var config = fs.readFileSync(config_file, {'encoding':'utf8'});
+console.log('Adding %s as consul config', config_file);
 
-  try {
-    JSON.parse(config);
-  } catch(e) {
-    console.error('config_file is not valid JSON');
-    process.exit(1);
-  }
+var config = fs.readFileSync(config_file, {'encoding':'utf8'});
 
-  exports.setConfig(config, function(err) {
-    if (err) return console.error("Failed to write config: %s", err);
-  });
+try {
+  JSON.parse(config);
+} catch(e) {
+  console.error('config_file is not valid JSON');
+  process.exit(1);
 }
+
+exports.setConfig(config, function(err) {
+  if (err) return console.error("Failed to write config: %s", err);
+});