Fixed deprecated Path.existsSync

.gitignore

@@ -1,2 +1 @@
 node_modules/
-config.json

Dockerfile

@@ -0,0 +1,7 @@
+
+FROM dockerfile/nodejs
+MAINTAINER Teemu Heikkilä <[email protected]>
+
+ADD . /data
+RUN npm install
+CMD /usr/local/bin/node start.js -c config.json

README.md

@@ -1,6 +1,17 @@
-HoardD, send ALL metrics to graphite!
+HoardD forkd!
 =====================================
 
+This fork contains dockerfile and modified HoardD with support for ENV-vars (graphite host and fqnd)
+Also fixed deprecated Path.exists functions into Fs.exists.
+
+
+Running
+--------------
+`docker build -t hoardd .`   
+
+`docker run -d -e CARBON_HOST=carbon.server.org -e FQDN=docker.host.hostname -v /proc:/host_proc:ro -t hoardd`
+
+
 What is HoardD
 ---------------
 

config.json.example → config.json

@@ -1,10 +1,10 @@
 {
   "carbonHost":   "localhost",
   "carbonPort":   2003,
-  "scriptPath":   "/full/path/to/scripts/dir",
+  "scriptPath":   "/data/scripts",
   "fqdn":         "fqdn.of.this.server",
-  "sampleInterval": 10,
-  "sendEach": 6,
+  "sampleInterval": 5,
+  "sendEach": 3,
   "maxFailedSens": 10000,
   "namespace": "hoard"
 }

scripts/interfaces.coffee

@@ -12,7 +12,7 @@ module.exports = (server) ->
     ]
 
     # Reads from proc
-    procfile = '/proc/net/dev'
+    procfile = '/host_proc/net/dev'
     content = Fs.readFileSync(procfile, 'ascii').trim()
     for line in content.split('\n')[2...]
       continue if line.match /lo:/ 

scripts/load_avg.coffee

@@ -7,8 +7,8 @@ module.exports = (server) ->
     server.cli.debug "Running load average script"
 
     # Read from /proc
-    procfile = '/proc/loadavg'
-    if Path.existsSync procfile
+    procfile = '/host_proc/loadavg'
+    if Fs.existsSync procfile
       data = Fs.readFileSync(procfile, 'utf-8')
       [one, five, fifteen] = data.split(' ', 3)
       server.push_metric "#{metricPrefix}.short", one

scripts/memory.coffee

@@ -5,7 +5,7 @@ module.exports = (server) ->
     metricPrefix = "#{server.fqdn}.memory"
     server.cli.debug 'Running the memory script'
     # From the proc
-    memfile = '/proc/meminfo'
+    memfile = '/host_proc/meminfo'
 
     content = Fs.readFileSync memfile, 'ascii'
     mem = {}

src/start.coffee

@@ -12,9 +12,11 @@ module.exports = entry_point = () ->
     'config': ['c', 'Configuration file path', 'path', './config.json']
 
   Cli.main (args, options) ->
-    if Path.existsSync options.config
+    if Fs.existsSync options.config
       try
         conf = JSON.parse(Fs.readFileSync(options.config, 'utf-8'))
+        conf.carbonHost = if process.env.CARBON_HOST then process.env.CARBON_HOST else conf.carbonHost
+        conf.fqdn = if process.env.FQDN then process.env.FQDN else conf.fqdn
       catch error
         Cli.debug "Error parsing config file: #{error}"
     else