How To Setup a Chef 12 on CentOS 7 / RHEL 7

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Bootstrapping a New Node with Knife:

Bootstrapping a node is a process of installing chef-client on a target machine so that it can run as a chef-client node and communicate with the chef server.

From the workstation, you can bootstrap the node either by using the node’s root user, or a user with elevated privileges.

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knife bootstrap chefclient.itzgeek.local -x root -P pass --sudo

Important options:

-x: The ssh username

-P: The ssh password

-p: The ssh port

-N: Set your chef-client node name. Leaving this out will usually make hostname being used as the chef-client node name.

–sudo: If the user name on the node will need to use sudo to perform administrative actions, then use this flag. Note: It will prompt you for sudo the sudo password.

Since I didn’t use -N in the command, the hostname will become chef node name.

Output:

Doing old-style registration with the validation key at /root/chef-repo/.chef/itzgeek-validator.pem...
Delete your validation key in order to use your user credentials instead

Connecting to chefclient.itzgeek.local
chefclient.itzgeek.local -----> Installing Chef Omnibus (-v 12)
chefclient.itzgeek.local downloading https://omnitruck-direct.chef.io/chef/install.sh
chefclient.itzgeek.local   to file /tmp/install.sh.2626/install.sh
chefclient.itzgeek.local trying curl...
chefclient.itzgeek.local el 7 x86_64
chefclient.itzgeek.local Getting information for chef stable 12 for el...
.     .     .     .     .     .chefclient.itzgeek.local [2016-11-12T19:24:36-05:00] WARN: Node chefclient.itzgeek.local has an empty run list.
chefclient.itzgeek.local Converging 0 resources
chefclient.itzgeek.local
chefclient.itzgeek.local Running handlers:
chefclient.itzgeek.local Running handlers complete
chefclient.itzgeek.local Chef Client finished, 0/0 resources updated in 05 seconds

Once the bootstrapping is complete, list down the nodes using the following command.

knife node list

Output:

chefclient.itzgeek.local

Get the client node details.

knife client show chefclient.itzgeek.local

Output:

admin:     false
chef_type: client
name:      chefclient.itzgeek.local
validator: false

That’s All for now. We will soon meet again with another post on creating chef cookbooks.

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  • Rashid

    Awesome tutorial, Thanks

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