How to use if else-if else condition in Terraform











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I am trying to change the stack name based on the environment. I tried the following:



stack_name = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}"


but getting the following error:




Error: Error parsing
/build_workspace/workspace/GCM/PIPE_JENKINS/main.tf: At 33:25: nested
object expected: LBRACE got: ASSIGN




Can some please help me how can I change the stack name based on the environment?



It should be like:



if a == a || b ? "c ": "d"


so:



a==b==c else d









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  • Please check the link it has the solution stackoverflow.com/questions/42461753/…
    – Harshit_Raj
    Nov 22 at 14:03












  • The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
    – SomeGuyOnAComputer
    Nov 23 at 4:41















up vote
0
down vote

favorite












I am trying to change the stack name based on the environment. I tried the following:



stack_name = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}"


but getting the following error:




Error: Error parsing
/build_workspace/workspace/GCM/PIPE_JENKINS/main.tf: At 33:25: nested
object expected: LBRACE got: ASSIGN




Can some please help me how can I change the stack name based on the environment?



It should be like:



if a == a || b ? "c ": "d"


so:



a==b==c else d









share|improve this question
























  • Please check the link it has the solution stackoverflow.com/questions/42461753/…
    – Harshit_Raj
    Nov 22 at 14:03












  • The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
    – SomeGuyOnAComputer
    Nov 23 at 4:41













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am trying to change the stack name based on the environment. I tried the following:



stack_name = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}"


but getting the following error:




Error: Error parsing
/build_workspace/workspace/GCM/PIPE_JENKINS/main.tf: At 33:25: nested
object expected: LBRACE got: ASSIGN




Can some please help me how can I change the stack name based on the environment?



It should be like:



if a == a || b ? "c ": "d"


so:



a==b==c else d









share|improve this question















I am trying to change the stack name based on the environment. I tried the following:



stack_name = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}"


but getting the following error:




Error: Error parsing
/build_workspace/workspace/GCM/PIPE_JENKINS/main.tf: At 33:25: nested
object expected: LBRACE got: ASSIGN




Can some please help me how can I change the stack name based on the environment?



It should be like:



if a == a || b ? "c ": "d"


so:



a==b==c else d






terraform






share|improve this question















share|improve this question













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edited Nov 22 at 13:58









ydaetskcoR

20.6k45372




20.6k45372










asked Nov 22 at 12:33









Vittal Angadi

3112




3112












  • Please check the link it has the solution stackoverflow.com/questions/42461753/…
    – Harshit_Raj
    Nov 22 at 14:03












  • The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
    – SomeGuyOnAComputer
    Nov 23 at 4:41


















  • Please check the link it has the solution stackoverflow.com/questions/42461753/…
    – Harshit_Raj
    Nov 22 at 14:03












  • The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
    – SomeGuyOnAComputer
    Nov 23 at 4:41
















Please check the link it has the solution stackoverflow.com/questions/42461753/…
– Harshit_Raj
Nov 22 at 14:03






Please check the link it has the solution stackoverflow.com/questions/42461753/…
– Harshit_Raj
Nov 22 at 14:03














The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
– SomeGuyOnAComputer
Nov 23 at 4:41




The only issue looks like an extra ending curly brace. ${var.vanity_env == "-np" || var.vanity_env == "-dr"} ? "mstr" : "master"}" should be ${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
– SomeGuyOnAComputer
Nov 23 at 4:41












1 Answer
1






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up vote
2
down vote













You've got the syntax for the ternary slightly wrong there:



stack_name = intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}


Note that the whole ternary statement sits inside the ${} construct.



As a complete example:



variable "intl_region" {
default = "foo"
}

variable "intl_ctry" {
default = "bar"
}

variable "intl_env" {
default = "baz"
}

variable "vanity_env" {}

output "foo" {
value = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
}


And running it:



$ TF_VAR_vanity_env=-np terraform apply

Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

Outputs:

foo = intl-foo-bar-baz-jk-mstr
$ TF_VAR_vanity_env=-dr terraform apply

Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

Outputs:

foo = intl-foo-bar-baz-jk-mstr
$ TF_VAR_vanity_env=quux terraform apply

Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

Outputs:

foo = intl-foo-bar-baz-jk-master





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    1 Answer
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    1 Answer
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    active

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    active

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    up vote
    2
    down vote













    You've got the syntax for the ternary slightly wrong there:



    stack_name = intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}


    Note that the whole ternary statement sits inside the ${} construct.



    As a complete example:



    variable "intl_region" {
    default = "foo"
    }

    variable "intl_ctry" {
    default = "bar"
    }

    variable "intl_env" {
    default = "baz"
    }

    variable "vanity_env" {}

    output "foo" {
    value = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
    }


    And running it:



    $ TF_VAR_vanity_env=-np terraform apply

    Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

    Outputs:

    foo = intl-foo-bar-baz-jk-mstr
    $ TF_VAR_vanity_env=-dr terraform apply

    Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

    Outputs:

    foo = intl-foo-bar-baz-jk-mstr
    $ TF_VAR_vanity_env=quux terraform apply

    Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

    Outputs:

    foo = intl-foo-bar-baz-jk-master





    share|improve this answer

























      up vote
      2
      down vote













      You've got the syntax for the ternary slightly wrong there:



      stack_name = intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}


      Note that the whole ternary statement sits inside the ${} construct.



      As a complete example:



      variable "intl_region" {
      default = "foo"
      }

      variable "intl_ctry" {
      default = "bar"
      }

      variable "intl_env" {
      default = "baz"
      }

      variable "vanity_env" {}

      output "foo" {
      value = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
      }


      And running it:



      $ TF_VAR_vanity_env=-np terraform apply

      Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

      Outputs:

      foo = intl-foo-bar-baz-jk-mstr
      $ TF_VAR_vanity_env=-dr terraform apply

      Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

      Outputs:

      foo = intl-foo-bar-baz-jk-mstr
      $ TF_VAR_vanity_env=quux terraform apply

      Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

      Outputs:

      foo = intl-foo-bar-baz-jk-master





      share|improve this answer























        up vote
        2
        down vote










        up vote
        2
        down vote









        You've got the syntax for the ternary slightly wrong there:



        stack_name = intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}


        Note that the whole ternary statement sits inside the ${} construct.



        As a complete example:



        variable "intl_region" {
        default = "foo"
        }

        variable "intl_ctry" {
        default = "bar"
        }

        variable "intl_env" {
        default = "baz"
        }

        variable "vanity_env" {}

        output "foo" {
        value = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
        }


        And running it:



        $ TF_VAR_vanity_env=-np terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-mstr
        $ TF_VAR_vanity_env=-dr terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-mstr
        $ TF_VAR_vanity_env=quux terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-master





        share|improve this answer












        You've got the syntax for the ternary slightly wrong there:



        stack_name = intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}


        Note that the whole ternary statement sits inside the ${} construct.



        As a complete example:



        variable "intl_region" {
        default = "foo"
        }

        variable "intl_ctry" {
        default = "bar"
        }

        variable "intl_env" {
        default = "baz"
        }

        variable "vanity_env" {}

        output "foo" {
        value = "intl-${var.intl_region}-${var.intl_ctry}-${var.intl_env}-jk-${var.vanity_env == "-np" || var.vanity_env == "-dr" ? "mstr" : "master"}"
        }


        And running it:



        $ TF_VAR_vanity_env=-np terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-mstr
        $ TF_VAR_vanity_env=-dr terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-mstr
        $ TF_VAR_vanity_env=quux terraform apply

        Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

        Outputs:

        foo = intl-foo-bar-baz-jk-master






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 22 at 14:11









        ydaetskcoR

        20.6k45372




        20.6k45372






























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