initial commit

5 files changed, 55 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+*~
+.*~
+.*swp
diff --git a/README b/README
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+++ b/README
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+A tiny little ruby daemon for creating ZFS Volumes.
diff --git a/config.rb b/config.rb
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+++ b/config.rb
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+# encoding: utf-8
+
+Config = {
+    :basefs => "amanojaku/uservols",
+    :default_user_quota => "5G",
+    :socketpath => "/run/zvolcreator/zvolcreator.sock"
+}
diff --git a/zfs_monkeypatch.rb b/zfs_monkeypatch.rb
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+++ b/zfs_monkeypatch.rb
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+# Monkeypatch the create() method, to add sparse volumes support
+class ZFS
+
+	# Create filesystem
+	def create(opts={})
+		return nil if exist?
+
+		cmd = [ZFS.zfs_path].flatten + ['create']
+		cmd << '-p' if opts[:parents]
+		cmd += ['-V', opts[:volume]] if opts[:volume]
+        cmd << '-s' if opts[:volume] and opts[:sparse]
+		cmd << name
+
+		out, status = Open3.capture2e(*cmd)
+		if status.success? and out.empty?
+			return self
+		elsif out.match(/dataset already exists\n$/)
+			nil
+		else
+			raise Exception, "something went wrong: #{out}, #{status}"
+		end
+	end
+
+end
diff --git a/zvolcreator.rb b/zvolcreator.rb
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+++ b/zvolcreator.rb
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+require 'zfs'
+require 'socket'
+
+require_relative 'zfs_monkeypatch'
+load File.dirname($0) + "/" + 'config.rb'
+
+sockdir = File.dirname(Config[:socketpath])
+
+# Check if socket directory exists, if not - create if with apropriate options
+Dir.mkdir(sockdir, 0700) if not File.exists?(sockdir)
+
+server = UNIXServer.open(Config[:socketpath])
+loop do
+    Thread.start(server.accept) do |client|
+        client.puts "i'm alive"
+        client.close
+    end
+end
+
+