Merge pull request #22 from NikolausDemmel/feature/tweaks

A few small tweaks and improvements

.dockerignore

@@ -0,0 +1,4 @@
+*
+!index.js
+!ONVAULT
+!package.json

ONVAULT

@@ -22,6 +22,10 @@ log () {
   echo -e "${GREEN}[Dockito Vault]${NC} $@"
 }
 
+# don't go through proxy for accessing vault
+no_proxy_old="$no_proxy"
+export no_proxy="$VAULT_HOST"
+
 if ! curl -s "${VAULT_URI}/_ping"; then
   COUNTER=0
   echo 'Waiting 10s for dockito/vault to be ready...'
@@ -46,15 +50,18 @@ if curl -s "${VAULT_URI}/_ping"; then
 
   log "Downloading private keys..."
   curl -s "${VAULT_URI}/ssh.tgz" | tar -C ~/.ssh/ -zxf -
-  chown `whoami` ~/.ssh/*
-  chmod 600 ~/.ssh/*
+  chown -f `whoami` ~/.ssh/* || true
+  chmod -f 600 ~/.ssh/* || true
 
   log "Using ssh key: $VAULT_SSH_KEY"
   if [[  "$VAULT_SSH_KEY" != "id_rsa" ]]; then
     # configure the ssh to any host to use this ssh key
     echo -e "\nHost *\nIdentityFile ~/.ssh/$VAULT_SSH_KEY" >> ~/.ssh/config
   fi
 
+  # restore 'no_proxy' for executing the actual command
+  export no_proxy="$no_proxy_old"
+
   log "Executing command: $@"
   eval $@
 

index.js

@@ -2,7 +2,8 @@ var express = require('express'),
     fs = require('fs'),
     exec = require('child_process').exec,
     mime = require('mime'),
-    path = require('path');
+    path = require('path'),
+    mkdirp = require('mkdirp');
 
 
 var host = process.env.HTTP_HOST || '0.0.0.0';
@@ -21,6 +22,7 @@ app.get('/_ping', function (req, res) {
   Bundle containing all the user's private keys and ssh configuration
  */
 app.get('/ssh.tgz', function (req, res) {
+  mkdirp("/vault/.ssh");
   exec('mktemp -q /tmp/ssh.XXXXXX', function (err, stdout) {
     var file = stdout.match(/(.+)/)[0];
 
@@ -33,6 +35,7 @@ app.get('/ssh.tgz', function (req, res) {
 
       var filestream = fs.createReadStream(file);
       filestream.pipe(res);
+      fs.unlink(file)
     });
   });
 });

package.json

@@ -11,6 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.12.3",
-    "mime": "^1.3.4"
+    "mime": "^1.3.4",
+    "mkdirp": "^0.5.1"
   }
 }