No, currently this is not supported. Only single values and arrays work.
On Wed, Oct 16, 2019, 10:31 Jimster <james.jenn...@gmail.com> wrote:
> Hi,
>
> Been tasked with cleaning up packer code to remove duplication of explicit
> values in our working build .json files - and use a few general
> *var-files* that will contain the relevant DEV, TEST and PROD instance
> types, vpc details, disk sizes etc.
>
> One of the builders sections we use are *tags *(and *run_tags*) of the
> format:
>
> "run_tags": {
> "Environment": "DEV",
> "Application": "Dave",
> "Tier": "Web App",
> "Function": "Dev Dave Web App",
> "Version": "1.0",
> "CostCentre": "0300 3246",
> "BusinessUnit": "AppServices",
> "Project": "DaveMigration to AWS",
> "Product": "IIS Server for Dave",
> "SupportEmail": "d...@dave.com",
> "ComplianceDomain": "YES",
> "DataClass": "5",
> "ProvisionedBy": "Packer",
> "ProvisionedWho": "d...@dave.com",
> "ProjectName": "Dave",
> "Name": "Dave Dev Web Box"
> },
>
> I'm not sure if or how I can include these arrays in a var-file. Ideally
> the build file wants to refer to these as some kind of user variable e.g.
> in line with the usual ones:
> "builders": [{
> "type": "amazon-ebs",
>
> "region": "{{ user `DEV_server_region`}}",
> "source_ami": "{{ user `DEV_server_source_ami`}}",
> * "tags": "{{ user `DEV_dave_tags`}}", <== WHATEVER
> FORMAT THIS SHOULD BE IN FOR A TAG BLOCK (Array?)*
> "instance_type": "{{ user `DEV_server_instance_type`}}",
> "winrm_use_ssl": true,
> "winrm_insecure": true
> }],
>
> I've tried to capture these tag arrays in the var-file as so (snippet):
> ...
>
> "PROD_server_user_data_file": "./USERDATA2.0.txt",
>
> "CA_server_run_tags": [{
> "Environment": "DEV",
> "Application": "Dave",
> "Tier": "Web App",
> "Function": "Dev Dave Web App",
> "Version": "1.0",
> "CostCentre": "0300 3246",
> "BusinessUnit": "AppServices",
> "Project": "DaveMigration to AWS",
> "Product": "IIS Server for Dave",
> "SupportEmail": "d...@dave.com",
> "ComplianceDomain": "YES",
> "DataClass": "5",
> "ProvisionedBy": "Packer",
> "ProvisionedWho": "d...@dave.com",
> "ProjectName": "Dave",
> "Name": "Dave Dev Web Box"
> }]
>
>
> But I get:
> packer validate -var-file .\dave_vars.json .\build_var_test_Dave.json
> invalid value ".\\dave_vars.json" for flag -var-file: Error reading
> variables in '.\dave_vars.json': json: cannot unmarshal array into Go value
> of type string
>
> Can someone please advise on how best to include (if possible) these tags
> and run_tags arrays into the var-file *and* refer to the resulting user
> array variable properly in the builder file?
>
> Thanks,
> Jimster
>
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