By Navin Sabharwal
Automation via Chef Opscode offers an in-depth figuring out of Chef, that is written in Ruby and Erlang for configuration administration, cloud infrastructure administration, process management, and community administration.
certain at directors, experts, and architect, the e-book publications them during the complex positive factors of the device that are worthy for infrastructure automation, devops automation, and reporting. The publication presumes wisdom of Ruby and Erlang that are used as reference languages for developing recipes and cookbooks and as a refresher on them to aid the reader get on velocity with the circulate of publication.
The ebook presents step-by-step directions on deploy and configuration of Chef, utilization situations of Chef, in infrastructure automation via delivering universal eventualities like digital computer provisioning, OS configuration for Windows, Linux, and Unix, provisioning and configuration of internet servers like Apache in addition to well known databases like MySQL.
It additional elaborates at the construction of recipes, and cookbooks, which assist in deployment of servers and purposes to any actual, digital, or cloud place, regardless of the dimensions of the infrastructure.
The books covers complex featureslike LWRPs and Knife and additionally comprises numerous illustrative pattern cookbooks on MySQL, Apache, and CouchDB deployment utilizing a step-by-step approach.
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Additional info for Automation through Chef Opscode
For example: ssl_client_cert “” ssl_client_key The OpenSSL X509 key. This setting is generated automatically by chef and most users will not need to modify it. For example: ssl_client_key “” umask The file mode creation mask. This has the default value: 0022. For example: umask 0022 validation_client_name This option is used to specify the name of the validation client. A validation client is created automatically when we install the chef server. This client is used to register any node on the chef server.
Pem” 60 Chapter 6 Working with Knife Knife is a command line utility that comes with chef and is used to interact with the chef server which is used to manage chef. Management in chef includes many tasks. • Managing nodes • Uploading cookbooks and recipes from the local chef repository to the chef server • Managing roles • Managing environments • Managing cloud resources which include provisioning on AWS (Amazon Web Services), Azure, or any other cloud provider • Bootstrapping chef on nodes Along with the aforementioned tasks, chef can be used to perform many other tasks which we discuss in the upcoming sections of this chapter.
Figure 4-4 shows this operation. 46 Chapter 4 ■ Workstation Figure 4-4. chef and for Windows c:/users/user/. chef ) to keep the configuration file. • The URL (uniform resource locator) of the chef server: It can be the IP (Internet provider) or the FQDN (fully qualified domain name) of the server. FQDN is preferred over IP. • Client name for API (application programming interface). The admin user to be used with knife. • Validation client name: Chef validator client that is automatically created with chef.
Automation through Chef Opscode by Navin Sabharwal