What is condition in cloud formation?

The optional Conditions section contains statements that define the circumstances under which entities are created or configured. For example, you can create a condition and then associate it with a resource or output so that AWS CloudFormation only creates the resource or output if the condition is true.

What is new surplus condition?

A New Surplus part in aviation means that the part is brand new and never been used but for some reason the part has no documentation or certification from the O.E.M (Original equipment Manufacturer) but it can come with a company certificate of conformance (ATA106) and some sort of trace to it thus making the part …

What is removal conditions?

As Removed (AR) This is a component that was pulled off an aircraft. Spoiler alert, that’s where “as removed” comes from. Sometimes she’ll come with a reason for removal but often times in the part out world she’ll come with nothing, just a removal tag and trace.

What is pseudo parameter in AWS CloudFormation?

Pseudo parameters are parameters that are predefined by AWS CloudFormation. You don’t declare them in your template. Use them the same way as you would a parameter, as the argument for the Ref function.

Which section of CloudFormation does not allow for conditions?

According to the docs, Conditions should be used at the top level of the resource you want to conditionally create. Putting a Condition inside the Instance UserData section isn’t supported. To use Conditions in your situation, you’d want separate Resources conditionally created based on the Parameter.

What is a serviceable part?

Serviceable parts are the individual parts of a product that can be serviced separately. Serviceable parts have the file name of the source or replacement part and a file type that includes the PTF number and a unique three character abbreviation that describes the part type.

What is a 145 trace?

FC (foreign Carrier): Trace will come from a foreign air carrier not permitted to operate in the United Stated. • 135: Trace will go back to a charter airline with unscheduled routes. • 145: Trace will go back to an MRO operation.

What is FN sub in CloudFormation?

The intrinsic function Fn::Sub substitutes variables in an input string with values that you specify. In your templates, you can use this function to construct commands or outputs that include values that aren’t available until you create or update a stack.

What is stack name in AWS?

The stack name is an identifier that helps you find a particular stack from a list of stacks. A stack name can contain only alphanumeric characters (case-sensitive) and hyphens. It must start with an alphabetic character and can’t be longer than 128 characters.

What condition functions can be used with the FN function?

You can use the following functions in all other condition functions, such as Fn::Equals and Fn::Or : 1 Fn::FindInMap 2 Ref 3 Other condition functions More

What is the return type of Fn or?

Fn::Or. Returns true if any one of the specified conditions evaluate to true, or returns false if all of the conditions evaluates to false. Fn::Or acts as an OR operator. The minimum number of conditions that you can include is 2, and the maximum is 10.

How old is too old for FN?

Generally speaking, FN is commonly used directly from the Original Equipment Manufacture. It hasn’t passed through many hands to get to the end user. A standard industry practice is that if it’s more than 2 years old, it’s no longer FN. [Tweet “A standard #aviation component practice is if it’s more than 2 years old, it’s no longer FN”]

Does CloudFormation support the use of the FN function?

Currently, CloudFormation supports the Fn::If intrinsic function in the metadata attribute, update policy attribute, and property values in the Resources section and Outputs sections of a template. You can use the AWS::NoValue pseudo parameter as a return value to remove the corresponding property.