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Conditional statements let your Puppet code behave differently in different situations. They are most helpful when combined with facts or with data retrieved from an external source. Summary Puppet supports "if" and "unless" statements, case statements, and selectors. An "if" statement:
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Order of operations Comparison operators == (equality) != (non-equality) < (less than) > (greater than) <= (less than or equal to) >= (greater than or equal to) =~ (regex or data type match) !~ (regex or data type non-match) in Boolean operators and or ! (not) Arithmetic operators + (addition) - (subtraction and negation) / (division)
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I am struggling to find the answer something like using "case" statement or "if-else" statement in puppet manifest. For example ..this below is a pseudo step. jdk_version=1.8 if $ Stack Overflow. About; Products. This above psuedo step, how do we achieve in puppet manifest in order to use regex and find matching string.
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Unlike selectors, the case statement does not return a value. Case statements come in handy when you want to execute different code depending on the value of an expression. In our second example, we used the case statement to include either the debianlike or redhatlike class, depending on the value of $::operatingsystem.. Again, Puppet compares the value of $::operatingsystem to a list of.
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The puppet job tool\nlets you trigger Puppet runs across multiple nodes remotely.
Task 5:
Before using this tool, we'll have to take a few steps via the PE console to set\nup authentication through PE's role-based access control system (RBAC).
\nTo.
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In Puppet, the coding style defines all the standards which one needs to follow while trying to convert the infrastructure on the machine configuration into a code. Puppet works and performs all its defined tasks using resources.
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Conditional statement examples. if statement, using expressions and facts. if statement, with in expression. Case statement. Selector statement. Node examples. Node definition. Expand. A quick reference of syntax examples for the Puppet language.
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Puppet's case statement can evaluate expressions and will run the first associated with the first matching case. It doesn't quite support this: case $mem { 0..1023: { $retvalue = "128M" } 1024..6999: { $retvalue = "160M" } 7000.14999: { $retvalue = "192M" } 15000..30999: { $retvalue = "256M" } default: { $retvalue = "512M" } }
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puppet-lint Case Without A Default Option Case statements should have default cases. Additionally, the default case should fail the catalog compilation when the resulting behavior cannot be predicted on the majority of platforms the module will be used on.
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Using case statements with notify in Puppet Ask Question Asked 10 years, 3 months ago Modified 8 years, 10 months ago Viewed 4k times 0 class mymodule::scripts::os_check { case $operatingsystem { / (?i-mx:centos)/: { notify ("You are using CentOS")} / (?i-mx:.*)/: { notify ("You are using non-CentOS OS") } } }
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Although you could write any conditional statement using if, Puppet provides a couple of extra forms to help you express conditionals more easily: the selector and the case statement. How to do it… Here are some examples of selector and case statements: Add the following code to your manifest: $systemtype = $::operatingsystem ?
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Conditional Statements. Puppet has a fairly complete complement of conditional syntaxes, and the info available in facts makes it really easy to code different behavior for different systems.. you can just use a case statement to assign the variable instead. Selectors can also be used directly as values for a resource attribute, but try not.
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Puppet's if statement allows you to change the manifest behavior based on the value of a variable or an expression. With it, you can apply different resources or parameter values depending on certain facts about the node, for example, the operating system, or the memory size.
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Conditional statements Quest objectives Learn how to use conditional logic to make your manifests adaptable. Understand the syntax and function of the if, unless, case, and selector statements. Getting started
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This solution worked very well with another module I wrote, but in this case the home directory path includes a variable, that depends on the user name. Adding the following if statement inside the resource issues an error:
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Conditional statements let your Puppet code behave differently in different situations. They are most helpful when combined with facts or with data retrieved from an external source. Summary Puppet 2.7 supports "if" statements, case statements, and selectors. An "if" statement:
