ignore comments in pgpass

Author: phumpal

lib/sensu-plugins-postgres/pgpass.rb

@@ -1,7 +1,18 @@
 module Pgpass
+  def read_pgpass(pg_pass_file)
+    File.readlines(pg_pass_file).each do |line|
+      if line.start_with?('#')
+        # Perform no action. Line is a comment
+        next
+      else
+        return line.strip.split(':')
+      end
+    end
+  end
+
   def pgpass
     if File.file?(config[:pgpass])
-      pgpass = Hash[%i[hostname port database user password].zip(File.readlines(config[:pgpass])[0].strip.split(':'))]
+      pgpass = Hash[%i[hostname port database user password].zip(read_pgpass(config[:pgpass]))]
       pgpass[:database] = nil if pgpass[:database] == '*'
       pgpass.each do |k, v|
         config[k] ||= v

test/fixtures/bootstrap.sh

@@ -17,6 +17,7 @@ RUBY_HOME=${MY_RUBY_HOME}
 
 # setup a .pgpass file
 cat << EOF > /tmp/.pgpass
+# This is a comment
 *:5432:*:postgres:<REDACTED>
 EOF