* I had to contextualise Communicator.Start and RemoteCmd.StartWithUi
NOTE: Communicator.Start starts a RemoteCmd but RemoteCmd.StartWithUi will run the cmd and wait for a return, so I renamed StartWithUi to RunWithUi so that the intent is clearer.
Ideally in the future RunWithUi will be named back to StartWithUi and the exit status or wait funcs of the command will allow to wait for a return. If you do so please read carrefully https://golang.org/pkg/os/exec/#Cmd.Stdout to avoid a deadlock
* cmd.ExitStatus to cmd.ExitStatus() is now blocking to avoid race conditions
* also had to simplify StartWithUi
- Add guest os type to change the default Chef-Solo and Chef-Client provisioner behavior. Paths, commands etc.
- Change Chef installation download location to chef.io domain
- Add encrypted data bag secret configuration
Since the chef-client provisioner is cleaning the node and client at the chef-server from the provisioned node
it needs to have a flexible configuration
This is replacing the used knife flags: -s '<chef-server-url>' -k '/tmp/packer-chef-client/client.pem' -u '<client-name>'
and puts their values into a generated knife.rb
Additionally the knife.rb may include the optional ssl_verify_mode attribute to enable the verify mode verify_none
Background:
When deleting node and client to a self-hosted chef-server using self signed cerfiticates the usage of
knife node delete <node-name> -y -s '<chef-server-url>' -k '/tmp/packer-chef-client/client.pem' -u '<client-name>'
will lead into a ssl verification failure.
The error output of the knife call is somthing like:
2015/06/24 12:29:17 ui: docker: WARNING: No knife configuration file found
docker: WARNING: No knife configuration file found
2015/06/24 12:29:17 ui: docker: ERROR: SSL Validation failure connecting to host: 172.16.117.63 - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B:
certificate verify failed
docker: ERROR: SSL Validation failure connecting to host: 172.16.117.63 - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
2015/06/24 12:29:17 ui: docker: ERROR: Could not establish a secure connection to the server.
docker: ERROR: Could not establish a secure connection to the server.
2015/06/24 12:29:17 ui: docker: Use 'knife ssl check' to troubleshoot your SSL configuration.
docker: Use 'knife ssl check' to troubleshoot your SSL configuration.
2015/06/24 12:29:17 ui: docker: If your Chef Server uses a self-signed certificate, you can use
docker: If your Chef Server uses a self-signed certificate, you can use
2015/06/24 12:29:17 ui: docker: 'knife ssl fetch' to make knife trust the server's certificates.
docker: 'knife ssl fetch' to make knife trust the server's certificates.
2015/06/24 12:29:17 ui: docker:
docker:
2015/06/24 12:29:17 ui: docker: Original Exception: OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
docker: Original Exception: OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
2015/06/24 12:29:17 packer-builder-docker: 2015/06/24 12:29:17 Executed command exit status: 100