What are Terraform Dynamic blocks? - Part 8

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Terraform dynamic block behaves pretty much the same as for or for-each loop. It not only iterates over the value range but also creates nested dynamic blocks which can be complex.

Terraform dynamic block usually consists of three elements -

1. Name of dynamic block
2. for_each
3. content

1. Name of dynamic block - You can keep the name of the block as per your choice, terraform does not have very strict rules on defining the dynamic block names

2. for_each - Here you need to provide any collection or structural values which can be iterated

3. content - It is a terraform block or body which will be generated for each value of the for-each loop

▬▬▬▬▬▬ ⭐️ 🕘Timestamps ⭐️ ▬▬▬▬▬▬
0:00 Introduction
0:44 What is terraform dynamic block?
2:20 Terraform block syntax
5:33 Demo of Terraform dynamic block on aws
8:29 Execute terraform dynamic block
10:34 Best practices for using Terraform dynamic block

Disclaimer/Policy: All the content/instructions are solely mine. The source is completely open-source.

Video is copyrighted and can not be re-distributed on any platform.

#devops #aws #terraform #cloud

[anilkommalapati]

Perfect. this is the task i got now and you made my life easy. thank you very much Rahul

[ShauryeVardhan]

Thanks a lot for this concise, no BS tutorial!

[deepuShivansh]

Thank you sir because of I have started terraform tq fr teaching us.. May God provide a health and wealth God bless you

[dataman]

Awesome series, with clarity and concise on the topic!

[sunshockus]

Thank you sir we really appreciate your effort.

[sankaranand]

One change, we cannot use any name for the dynamic block, we need to name according to the resource type. For example if you use any other name other than ingress, it will throw an error.

[cirishafranky]

Thank you!! one Q, @ 2:57 dynamic block name can be anything ? When I use an invalid block name like "ingress1" etc it says 'Blocks of type "ingress1" are not expected here.'. Works with only "ingress".

[anoopsidhu]

great video. I just wanted to comment that in one section of the video you said dynamic block can have any name for example ingress that name will be used in the code. so if you had dynamic rahul then that block would be in the code

[shamstabrez]

bro apne awesome series banaya h bs ek request h plz make some projects using terraform on aws where u will use things like elb autoscaling api gateways some realtime sceanario it could help us alot

[cricmania]

Hi Rahul thanks for this nice video. Dynamic block provides functionality to cater looping for attributes which are defined within resource object as we can use for_each and count for resources directly but not for blocks inside resources. Otherwise if it had been resource just to_set(port) and each.value could have been done but this will not be applicable to ingress/egress block within SG. Correct me if I am wrong . 🙏

[narendernls]

How can we use credentials which is fetch from role in provider block?

[zubandesi]

could you please upload share the .txt file of this lab <dynamic block>