From 5c729410824c817325e3d495aac932feda7574b9 Mon Sep 17 00:00:00 2001
From: mh <mh@immerda.ch>
Date: Thu, 16 Dec 2010 16:22:24 +0100
Subject: Add a function to create ssh keys on the fly

This allows you to use content of ssh keys within your manifests
and generate them automatically if they don't exist yet.
---
 spec/unit/parser/functions/ssh_keygen.rb | 104 +++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 spec/unit/parser/functions/ssh_keygen.rb

(limited to 'spec/unit/parser/functions')

diff --git a/spec/unit/parser/functions/ssh_keygen.rb b/spec/unit/parser/functions/ssh_keygen.rb
new file mode 100644
index 0000000..f830065
--- /dev/null
+++ b/spec/unit/parser/functions/ssh_keygen.rb
@@ -0,0 +1,104 @@
+#! /usr/bin/env ruby
+
+
+require File.dirname(__FILE__) + '/../../../spec_helper'
+
+require 'mocha'
+require 'fileutils'
+
+describe "the ssh_keygen function" do
+
+  before :each do
+    @scope = Puppet::Parser::Scope.new
+  end
+
+  it "should exist" do
+    Puppet::Parser::Functions.function("ssh_keygen").should == "function_ssh_keygen"
+  end
+
+  it "should raise a ParseError if no argument is passed" do
+    lambda { @scope.function_ssh_keygen }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if there is more than 1 arguments" do
+    lambda { @scope.function_ssh_keygen("foo", "bar") }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if the argument is not fully qualified" do
+    lambda { @scope.function_ssh_keygen("foo") }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if the private key path is a directory" do
+    File.stubs(:directory?).with("/some_dir").returns(true)
+    lambda { @scope.function_ssh_keygen("/some_dir") }.should( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if the public key path is a directory" do
+    File.stubs(:directory?).with("/some_dir.pub").returns(true)
+    lambda { @scope.function_ssh_keygen("/some_dir") }.should( raise_error(Puppet::ParseError))
+  end
+
+  describe "when executing properly" do
+    before do
+      File.stubs(:directory?).with('/tmp/a/b/c').returns(false)
+      File.stubs(:directory?).with('/tmp/a/b/c.pub').returns(false)
+      File.stubs(:read).with('/tmp/a/b/c').returns('privatekey')
+      File.stubs(:read).with('/tmp/a/b/c.pub').returns('publickey')
+    end
+
+    it "should fail if the public but not the private key exists" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(true)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(false)
+      lambda { @scope.function_ssh_keygen("/tmp/a/b/c") }.should( raise_error(Puppet::ParseError))
+    end
+
+    it "should fail if the private but not the public key exists" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(false)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(true)
+      lambda { @scope.function_ssh_keygen("/tmp/a/b/c") }.should( raise_error(Puppet::ParseError))
+    end
+
+
+    it "should return an array of size 2 with the right conent if the keyfiles exists" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(true)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(true)
+      File.stubs(:directory?).with('/tmp/a/b').returns(true)
+      Puppet::Util.expects(:execute).never
+      result = @scope.function_ssh_keygen('/tmp/a/b/c')
+      result.length.should == 2
+      result[0].should == 'privatekey'
+      result[1].should == 'publickey'
+    end
+
+    it "should create the directory path if it does not exist" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(false)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(false)
+      File.stubs(:directory?).with("/tmp/a/b").returns(false)
+      Puppet::Util.expects(:recmkdir).with("/tmp/a/b",0700)
+      Puppet::Util.expects(:execute).returns("")
+      result = @scope.function_ssh_keygen('/tmp/a/b/c')
+      result.length.should == 2
+      result[0].should == 'privatekey'
+      result[1].should == 'publickey'
+    end
+
+    it "should generate the key if the keyfiles do not exist" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(false)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(false)
+      File.stubs(:directory?).with("/tmp/a/b").returns(true)
+      Puppet::Util.expects(:execute).with(['/usr/bin/ssh-keygen','-t', 'rsa', '-b', '4096', '-f', '/tmp/a/b/c', '-P', '', '-q']).returns("")
+      result = @scope.function_ssh_keygen('/tmp/a/b/c')
+      result.length.should == 2
+      result[0].should == 'privatekey'
+      result[1].should == 'publickey'
+    end
+
+    it "should fail if something goes wrong during generation" do
+      File.stubs(:exists?).with("/tmp/a/b/c").returns(false)
+      File.stubs(:exists?).with("/tmp/a/b/c.pub").returns(false)
+      File.stubs(:directory?).with("/tmp/a/b").returns(true)
+      Puppet::Util.expects(:execute).with(['/usr/bin/ssh-keygen','-t', 'rsa', '-b', '4096', '-f', '/tmp/a/b/c', '-P', '', '-q']).returns("something is wrong")
+      lambda { @scope.function_ssh_keygen("/tmp/a/b/c") }.should( raise_error(Puppet::ParseError))
+    end
+  end
+end
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