(Also asked on StackOverflow.com)

I’ve inherited some shell scripts that are helpful for setting up our application environment using Chef and knife. That’s nice.

But what I’d really like to do is have the power and flexibility of a Ruby script to do the same thing.

If I shell out to knife I lose the real time output of the command.

It seems like I should be able to call all of knife’s functionality from within Ruby by including the ‘chef’ gem and maybe the ‘cloudstack-fog’ plug-in I use.

But I haven’t found any examples or API documentation. Trying to dig through the chef gem source is an exercise in frustration.

Shouldn’t I be able to do the equivalent of a knife cloudstack server create -E … etc. from a Ruby script?

I am bootstrapping a vm using knife which works on CentOS 5.4 but fails on CentOS 6.2 when attempting to ssh onto the node with “ERROR: all authorization methods failed (tried publickey, password)”

I can ssh onto the vm, why can’t knife? Anyone else seen this issue?

knife cs server create test-centos-6 -N test-centos-6 -d chef-full -r “role[base],role[cs_server]” -x <user> -P <pword> —no-public-ip -T “CentOS 6.2 x64 LAMP Stack” -VV

Bootstrapping Chef on 10.110.66.244 DEBUG: Adding 10.110.66.244 DEBUG: establishing connection to 10.110.66.244:22 DEBUG: connection established INFO: negotiating protocol version DEBUG: remote is SSH-2.0-OpenSSH_5.3' DEBUG: local isSSH-2.0-Ruby/Net::SSH_2.2.2 x86_64-linux' DEBUG: read 784 bytes DEBUG: received packet nr 0 type 20 len 780 INFO: got KEXINIT from server INFO: sending KEXINIT DEBUG: queueing packet nr 0 type 20 len 556 DEBUG: sent 560 bytes INFO: negotiating algorithms DEBUG: negotiated: * kex: diffie-hellman-group-exchange-sha1 * host_key: ssh-rsa * encryption_server: aes128-cbc * encryption_client: aes128-cbc * hmac_client: hmac-sha1 * hmac_server: hmac-sha1 * compression_client: none * compression_server: none * language_client: * language_server: DEBUG: exchanging keys DEBUG: queueing packet nr 1 type 34 len 20 DEBUG: sent 24 bytes DEBUG: read 152 bytes DEBUG: received packet nr 1 type 31 len 148 DEBUG: queueing packet nr 2 type 32 len 140 DEBUG: sent 144 bytes DEBUG: read 720 bytes DEBUG: received packet nr 2 type 33 len 700 DEBUG: queueing packet nr 3 type 21 len 20 DEBUG: sent 24 bytes DEBUG: received packet nr 3 type 21 len 12 DEBUG: beginning authentication of `root' DEBUG: queueing packet nr 4 type 5 len 28 DEBUG: sent 52 bytes DEBUG: read 52 bytes DEBUG: received packet nr 4 type 6 len 28 DEBUG: trying publickey DEBUG: connecting to ssh-agent ERROR: could not connect to ssh-agent DEBUG: trying publickey (8b:b8:c2:ee:1e:56:cc:fc:ea:dc:e2:58:7d:00:e2:02) DEBUG: queueing packet nr 5 type 50 len 348 DEBUG: sent 372 bytes DEBUG: read 84 bytes DEBUG: received packet nr 5 type 51 len 60 DEBUG: allowed methods: publickey,gssapi-keyex,gssapi-with-mic,password DEBUG: trying password DEBUG: queueing packet nr 6 type 50 len 60 DEBUG: sent 84 bytes DEBUG: read 84 bytes DEBUG: received packet nr 6 type 51 len 60 DEBUG: allowed methods: publickey,gssapi-keyex,gssapi-with-mic,password DEBUG: password failed ERROR: all authorization methods failed (tried publickey, password)

hi , Knife command throwing error below . /usr/bin/knife:22:in `require': no such file to load — chef/application/knife (LoadError)

from /usr/bin/knife:22

How to solve this ?

Chef newbie

When I try

knife cookbook site install COOKBOOK  

I get an error. The file does not unzip and I am left with a .tar.gz file ONLY. Any ideas?

The error message:

STDERR: 'tar' is not recognized as an internal or external command, operable program or batch file.

Thanks in advance.

Hi, I try to cook via knife (solo) a server, which is only reachable through another one. <local machine> —> <ssh gateway/proxy/tunnel> —> <target server> It seems to be possible to configure a ssh gateway for bootstrapping but I couldn’t find an equivalent for “knife prepare” and “knife cook”. Is this supported/possible?

Cheers, derkaan