Berkshelf is a dependency manager for Chef cookbooks. … You can also ensure that your CI systems reproducibly select the same cookbook versions, and can upload and bundle cookbook dependencies without needing a locally maintained copy. Berkshelf is included in Chef Workstation.
What Berks install?
With single command ( berks install ), it downloads all dependent cookbooks (and their dependent cookbooks — transitive dependencies) from their respective sources (may be from git repository or from supermarket). With another single command berks upload it uploads all these cookbooks to chef server.
What is a Berksfile?
Berksfile is the most crucial component of Berkshelf! It’s just like metadata for Chef. However, the usage is somewhat different. Berksfile makes it simple to download a dependency cookbook from chef supermarket (or other places) and upload to the cookbook repository on the server.
What is Chef solo?
Chef-Solo is an open source tool that runs locally and allows to provision guest machines using Chef cookbooks without the complication of any Chef client and server configuration. It helps to execute cookbooks on a self-created server.
What is metadata RB in Chef?
A file named metadata. rb is located at the top of every cookbook directory structure. The contents of the metadata. rb file provides hints to the Chef server to help ensure that cookbooks are deployed to each node correctly. A metadata.
What is kitchen converge?
kitchen converge. … This process will install Chef Infra Client on an instance using the Chef installer, upload cookbook files and minimal configuration to the instance, and then start a Chef Infra Client run using the run-list and attributes specified in the kitchen.
How do I install chef on Mac?
macOS Install Visit the Chef Workstation downloads page and select the appropriate package for your macOS version. Select on the Download button. Follow the steps to accept the license and install Chef Workstation.
What is Berkshelf in chef?
Berkshelf is a dependency manager for Chef cookbooks. With it, you can easily depend on community cookbooks and have them safely included in your workflow. … Berkshelf is included in Chef Workstation. For new users, we strongly recommend using Policyfiles rather than Berkshelf.
How do I upload a Chef server to a cookbook?
- Upload the entire chef-repo.
- Upload the /cookbooks directory.
- Upload the /environments directory.
- Upload a single environment.
- Upload the /roles directory.
- Upload cookbooks and roles.
- Use output of knife deps to pass command to knife upload.
Why is Ansible over Chef?
The biggest advantages of choosing Ansible over Chef is its simplicity and ease of use, easy management, use of YAML, and the simple fact that anyone can learn to use it. This tool may be lacking in the complex features department, but for smaller projects and beginners, it is perfect.
What is Chef_zero?
Chef Zero is a simple, easy-install, in-memory Chef server that can be useful for Chef Client testing and chef-solo-like tasks that require a full Chef Server. It IS intended to be simple, Chef 11+ compliant, easy to run and fast to start. … Because Chef Zero runs in memory, it’s super fast and lightweight.
What is diff between Chef apply Chef client Chef-solo?
chef-solo is an open source version of the chef-client that allows using cookbooks with nodes without requiring access to a Chef server. chef-solo runs locally and requires that a cookbook (and any of its dependencies) be on the same physical disk as the node.
What is Chef-Shell?
chef-shell is a recipe debugging tool that allows the use of breakpoints within recipes. chef-shell runs as an Interactive Ruby (IRb) session. chef-shell supports both recipe and attribute file syntax, as well as interactive debugging features. The chef-shell executable is run as a command-line tool.
What are Chef-Shell modes?
We can run Chef-Shell in three different modes: Standalone mode, Client mode, and Solo mode. Standalone mode − It is the default mode. No cookbooks are loaded, and the run-list is empty. Client mode − Here, the chef-shell acts as a chef-client.
Where is knife RB located?
rb file is located at %HOMEDRIVE%:%HOMEPATH%\. chef (e.g. c:\Users\<username>\.
What is kitchen Ansible?
kitchen-ansible. A Test Kitchen Provisioner for Ansible. … It installs Ansible on the server and runs ansible-playbook using host localhost. It has been tested against the Ubuntu 12.04/14.04/16.04, Centos 6/7 and Debian 6/7/8 boxes running in vagrant/virtualbox.
How many types of handlers are there in chef?
There are three types of handler: Start handler – Runs at the beginning of a chef-client run. Report handler – Runs at the end of a chef-client run, after all of the recipes have successfully completed. Exception handler – Runs at the end of a chef-client run if it exits with an error code.
What is kitchen vagrant?
The kitchen-vagrant driver for Kitchen generates a single Vagrantfile for each instance of Kitchen in a sandboxed directory. The kitchen-vagrant driver supports VirtualBox and VMware Fusion, requires Vagrant 1.1. 0 (or higher), and is the default driver for Test Kitchen.
Is chef free to use?
Chef is open source, you can use if for free, and they have good on-line documentation and wiki pages. Chef has several ‘flavors’. You can run the whole thing for free using Chef-Server (which requires you to set up the server software in addition to the client software on your system).
What is chef used for?
Chef is used to streamline the task of configuring and maintaining a company’s servers, and can integrate with cloud-based platforms such as Amazon EC2, Google Cloud Platform, Oracle Cloud, OpenStack, IBM Cloud, Microsoft Azure, and Rackspace to automatically provision and configure new machines.
What is the difference between puppet and chef?
The chef has you working with cookbooks and recipes, while Puppet works with manifests and modules. Recipes and manifests, as a rule, describe single concepts, while cookbooks and recipes describe more general concepts.
How do you verify a chef cookbook?
- Step 1 − Install the cookbook using the following command.
- Step 2 − Run the knife cookbook test commands on the working cookbook.
- Step 3 − Break something in the cookbook and test again.
- Step 4 − Run the knife test command again.
How do I remove a Runlist from my cookbook?
Use the run_list remove argument to remove run-list items (roles or recipes) from a node. A recipe must be in one of the following formats: fully qualified, cookbook, or default. Both roles and recipes must be in quotes, for example: ‘role[ROLE_NAME]’ or ‘recipe[COOKBOOK::RECIPE_NAME]’ .
How do I find my chef cookbook version?
If you can ssh into the box you can look under /var/chef/cache/cookbooks/<cookbook name>/metadata. json to find the version.
What is difference between Kubernetes and Ansible?
The differences between these two products are profound. Ansible is an IT automation tool that deploys software, configures systems, and organizes more complex IT functions such as rolling updates or continuous deployments. On the other hand, Kubernetes is a system designed to orchestrate Docker containers.
What are the cons of Ansible?
Another prominent mention among the disadvantages of Ansible is the lack of any notion of state. Ansible does not have any notion of state like other automation tools such as Puppet. Ansible does not track dependencies and simply executes sequential tasks and stops when tasks finish, fail, or any error comes.
Why do we need Ansible?
Ansible automates and simplifies repetitive, complex, and tedious operations. Everybody likes it because it brings huge time savings when we install packages or configure large numbers of servers. Its architecture is simple and effective. It works by connecting to your nodes and pushing small programs to them.
What is a chef client?
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 port does chef use?
The Chef Server uses ports 22, 443 and 8443.
What is chef infra client?
Chef Infra Client is an agent that runs locally on every node that is under management by Chef Infra Server. … Synchronizing cookbooks from the Chef Infra Server to the node. Compiling the resource collection by loading each of the required cookbooks, including recipes, attributes, and all other dependencies.
Where is Chef Solo?
By default, chef-solo stores these files in a nodes folder in the same directory as your cookbooks directory. You can control the location of this directory via the node_path value in your configuration file.
How do I run chef client in local mode?
- Run the Chef client locally with my_cookbook in the run list: [email protected]:~/chef-repo $ chef-client -z -o my_cookbook. …
- Validate that the Chef client run creates the desired temporary file: [email protected]:~/chef-repo $ cat /tmp/local_mode.txt.
How Chef roles are made to define the role played by server?
Define a role in a Ruby file inside the roles folder of Chef repository. A role consists of a name and a description attribute. A role consists of role-specific run list and role-specific attribute settings. … The role will be uploaded to Chef server using the knife role from file command.
Is used to indicate the Chef Client the details about how a node is configured in an organization?
Ohai is a tool that is used to detect attributes on a node, and then provide these attributes to the chef-client at the start of every chef-client run. Ohai is required by the chef-client and must be present on a node.
How does Chef server and client communicate to get cookbook to configure the production server?
The workstation sends the cookbook to the server using a knife. The nodes communicate with the server using the Chef client. If there are any changes made to the infrastructure code, they must be passed through the Chef Server to apply them to the nodes.
Where are chef logs stored?
All logs generated by the Chef Infra Server can be found in /var/log/opscode . Each service enabled on the system also has a sub-directory in which service-specific logs are located, typically found in /var/log/opscode/service_name .
How do I run chef in debug mode?
Here you’re setting knife command as verbose with -VV . To change chef-client run log level the parameter is -l info or -l debug for its command call.