How to use importValue and join in Cloudformation

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I have a stack which depends on a value which is exported in a different stack (value is supertest)

I try to use it as below

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", !ImportValue: !Sub "supertest-${Environment}" ] ]

But I got a syntax error while this works (hardcoding the supertest value)

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", "lol-dev" ] ]

asked Nov 8 at 8:21

mealesbia

386

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up vote
0
down vote

favorite

I have a stack which depends on a value which is exported in a different stack (value is supertest)

I try to use it as below

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", !ImportValue: !Sub "supertest-${Environment}" ] ]

But I got a syntax error while this works (hardcoding the supertest value)

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", "lol-dev" ] ]

asked Nov 8 at 8:21

mealesbia

386

add a comment |

up vote
0
down vote

favorite

I have a stack which depends on a value which is exported in a different stack (value is supertest)

I try to use it as below

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", !ImportValue: !Sub "supertest-${Environment}" ] ]

But I got a syntax error while this works (hardcoding the supertest value)

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", "lol-dev" ] ]

asked Nov 8 at 8:21

mealesbia

386

I have a stack which depends on a value which is exported in a different stack (value is supertest)

I try to use it as below

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", !ImportValue: !Sub "supertest-${Environment}" ] ]

But I got a syntax error while this works (hardcoding the supertest value)

OriginAccessIdentity: !Join [ "", [ "origin-access-identity/cloudfront/", "lol-dev" ] ]

amazon-web-services amazon-cloudformation

asked Nov 8 at 8:21

mealesbia

386

asked Nov 8 at 8:21

mealesbia

386

asked Nov 8 at 8:21

mealesbia

386

asked Nov 8 at 8:21

mealesbia

386

asked Nov 8 at 8:21

mealesbia

386

add a comment |

1 Answer
1

active

oldest

votes

up vote
1
down vote

accepted

I believe that syntax is not valid.

Try this:

OriginAccessIdentity:

  Fn::Join:

    - ""

    - - "origin-access-identity/cloudfront/"

      - Fn::ImportValue: !Sub "supertest-${Environment}"

Here is another example where i use it similarly: https://github.com/faermanj/Sitting-Ducks/blob/master/cfn-beanstalk-env.yml

answered Nov 8 at 8:45

faermanj

7,87054565

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
1
down vote

accepted

I believe that syntax is not valid.

Try this:

OriginAccessIdentity:

  Fn::Join:

    - ""

    - - "origin-access-identity/cloudfront/"

      - Fn::ImportValue: !Sub "supertest-${Environment}"

Here is another example where i use it similarly: https://github.com/faermanj/Sitting-Ducks/blob/master/cfn-beanstalk-env.yml

answered Nov 8 at 8:45

faermanj

7,87054565

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

add a comment |

up vote
1
down vote

accepted

I believe that syntax is not valid.

Try this:

OriginAccessIdentity:

  Fn::Join:

    - ""

    - - "origin-access-identity/cloudfront/"

      - Fn::ImportValue: !Sub "supertest-${Environment}"

Here is another example where i use it similarly: https://github.com/faermanj/Sitting-Ducks/blob/master/cfn-beanstalk-env.yml

answered Nov 8 at 8:45

faermanj

7,87054565

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

add a comment |

up vote
1
down vote

accepted

I believe that syntax is not valid.

Try this:

OriginAccessIdentity:

  Fn::Join:

    - ""

    - - "origin-access-identity/cloudfront/"

      - Fn::ImportValue: !Sub "supertest-${Environment}"

Here is another example where i use it similarly: https://github.com/faermanj/Sitting-Ducks/blob/master/cfn-beanstalk-env.yml

answered Nov 8 at 8:45

faermanj

7,87054565

I believe that syntax is not valid.

Try this:

OriginAccessIdentity:

  Fn::Join:

    - ""

    - - "origin-access-identity/cloudfront/"

      - Fn::ImportValue: !Sub "supertest-${Environment}"

Here is another example where i use it similarly: https://github.com/faermanj/Sitting-Ducks/blob/master/cfn-beanstalk-env.yml

answered Nov 8 at 8:45

faermanj

7,87054565

answered Nov 8 at 8:45

faermanj

7,87054565

answered Nov 8 at 8:45

faermanj

7,87054565

answered Nov 8 at 8:45

faermanj

7,87054565

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

add a comment |

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

This works, now I also need to put this inside a cloudformation if: !If [check, if true then the Fn::Join: - "", .. (the parth above); , if false then just "ok"]. Can you help me with that?
– mealesbia
Nov 8 at 14:01

Great, try using each statement/argument in separate line and always validate the YAML. The cloudformation lint is quite useful: github.com/awslabs/cfn-python-lint
– faermanj
2 days ago

add a comment |

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