Fix examples that reference upstream chef repository.

Also add integration test.  Note: this new test is not comprehensive; it
simply ensures that the example chef configuration does not blow up and
that chef seems to be installed after its completion.

This new test is disabled by default as it depends on a 3rd party
repository.

LP: #1678145

1 files changed, 38 insertions, 34 deletions

diff --git a/doc/examples/cloud-config-chef.txt b/doc/examples/cloud-config-chef.txt
index 75d78a15..3cb62006 100644
--- a/doc/examples/cloud-config-chef.txt
+++ b/doc/examples/cloud-config-chef.txt
@@ -5,46 +5,50 @@
 # Make sure that this file is valid yaml before starting instances.
 # It should be passed as user-data when starting the instance.
 #
-# This example assumes the instance is 12.04 (precise)
+# This example assumes the instance is 16.04 (xenial)
 
 
 # The default is to install from packages. 
 
-# Key from http://apt.opscode.com/packages@opscode.com.gpg.key
+# Key from https://packages.chef.io/chef.asc
 apt:
-  sources:
-   - source: "deb http://apt.opscode.com/ $RELEASE-0.10 main"
-     key: |
-       -----BEGIN PGP PUBLIC KEY BLOCK-----
-       Version: GnuPG v1.4.9 (GNU/Linux)
+  source1:
+    source: "deb http://packages.chef.io/repos/apt/stable $RELEASE main"
+    key: |
+      -----BEGIN PGP PUBLIC KEY BLOCK-----
+      Version: GnuPG v1.4.12 (Darwin)
+      Comment: GPGTools - http://gpgtools.org
 
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-       DAAKCRApQKupg++CauISAJ9CxYPOKhOxalBnVTLeNUkAHGg2gACeIsbobtaD4ZHG
-       0GLl8EkfA8uhluM=
-       =zKAm
-       -----END PGP PUBLIC KEY BLOCK-----
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+      zA==
+      =IxPr
+      -----END PGP PUBLIC KEY BLOCK-----
 
 chef: