Table of Contents
What is knife rb file?
A knife. rb file is used to specify the chef-repo-specific configuration details for knife.
What is config rb?
The config.rb file is the brain of a Compass project. It defines the relationship between files and their assets, how and where the CSS should be generated, and any dependencies for a project. Open the config.rb file in a text editor.
What is client rb in chef?
A client. rb file is used to specify the configuration details for the chef-client. This file is loaded every time this executable is run.
How do you set up a knife rb?
Configure Knife environment ( On Workstation Machine)
- Step 1: Generate chef repository directory. Start by generating a Chef repository on your Workstation machine chef generate repo chef-repo cd chef-repo.
- Step 2: Configure Git.
- Step 3: Add the .chef directory to the .gitignore file.
- Step 4: Configure Knife.
What are Chef nodes?
A node is any machine—physical, virtual, cloud, network device, etc. —that is under management by Chef.
How does a Chef client work?
A chef-client is an agent that runs locally on every node that is under management by Chef. When a chef-client is run, it will perform all of the steps that are required to bring the node into the expected state, including: Registering and authenticating the node with the Chef server.
What is chef repo?
The chef-repo is the location in which the following data objects are stored: Cookbooks (including recipes, attributes, custom resources, libraries, and templates) Roles. Data bags.
What is knife command?
Knife is Chef’s command-line tool to interact with the Chef server. One uses it for uploading cookbooks and managing other aspects of Chef. It provides an interface between the chefDK (Repo) on the local machine and the Chef server. It helps in managing − Chef nodes.
How do I know my chef version?
Check Chef Server Version If you want to check the Chef Server version, you need to use chef-server-ctl version command. As you can see from below output, current chef server version is 13.1. 13.
What are nodes in Chef?
A node is any machine—physical, virtual, cloud, network device, etc. —that is under management by Chef. A physical node is typically a server or a virtual machine, but it can be any active device attached to a network that is capable of sending, receiving, and forwarding information over a communications channel.
What is bootstrap in Chef?
Once the node has made the connection to the Chef server, the installed Chef Client can execute Chef cookbooks to configure the machine. Bootstrapping is the process to connect the node the first time to the Chef server, or to attach it again if the node lost the connectivity to the Chef server.
What is convergence in Chef?
Convergence is when the configuration management system brings the node into compliance with policy. In other words, the node is configured based on the roles and recipes in its run list. Convergence in Chef happens in two phases. Compile. Execute.
What is the difference between knife and config RB file?
The config.rb file is a replacement for the knife.rb file. The config.rb file has identical settings and behavior to the knife.rb file. Chef Infra Client looks first for the presence of the config.rb file and if it is not found, then looks for the knife.rb file.
What options can be run with knife subcommands?
The following options can be run with all knife subcommands and plug-ins: The configuration file to use. For example, when knife is run from a node that is configured to be managed by the Chef Infra Server, this option is used to allow knife to use the same credentials as Chef Infra Client looks when communicating with the Chef Infra Server.
How do I configure knife to communicate with chef infra server?
The knife command line tool must be configured to communicate with the Chef Infra Server as well as any other infrastructure within your organization. To configure knife to communicate with Chef Infra Server for the first time run knife configure to create a Chef Infra credentials file at ~/.chef/credentials.
What are knife profiles and how do I use them?
Knife profiles are an alternative to config.rb –you cannot use both. Set up knife profiles by adding them to the .chef/credentials file in your home directory on your workstation. The credentials file is TOML formatted.