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16 commits

Author SHA1 Message Date
Adrien Delorme
125ffe36c3 Allow to override some source fields from the build section 
Using `hcl.MergeBodies`
 2020-05-25 17:09:37 +02:00
Adrien Delorme
710ebdcef5 add more test for var files 2020-03-12 17:08:53 +01:00
Adrien Delorme
c8300b620a allow to use hcl files as var files in HCL mode 
fix #8781
 2020-03-12 15:41:40 +01:00
Adrien Delorme
631f402d1e Merge branch 'master' into fix_8730 2020-03-09 17:49:33 +01:00
Adrien Delorme
0ccff0d5b9 all variables must have a value. 
A variable's default value can be set to null to force user to set it.
 2020-03-09 17:25:56 +01:00
Adrien Delorme
6d8cce501e tweak validation & add tests 2020-03-09 16:16:59 +01:00
Wilken Rivera
9403b48a52
hcl2template/types.variables: Update logic for parsing literal value variables (#8834) 
* hcl2template/types.variables: Update logic for parsing literal value variables

In running tests via the CLI it was determined that when using the variable block with no explicit type assigned the type of the default
value was not being set within the map. This change updates the `decodeConfig` method so that a type is always set for any defined variable if not specified.

The second change is to properly handle the evaluation of basic variable types (e.g String, Number, Bool). Previously variables defined on the
CLI or via PKR_VAR required some additional quoting to for proper evaluation. This change fixes that issue so that it works like it does in Terraform :)

Build results before the change
```
⇶  PKR_VAR_example='["one","two"]' ~/bin/packer build -var 'foo=home' .
Error: Variables not allowed

  on <value for var.foo from arguments> line 1:
  (source code not available)

Variables may not be used here.

==> Builds finished but no artifacts were created.

```

Build results after the change
```
⇶  PKR_VAR_example='["one","two"]' ~/bin/packer build -var 'foo="home"' .
null: output will be in this color.

==> null: Running local shell script: /tmp/packer-shell885249462
    null: two
    null: home
Build 'null' finished.

==> Builds finished. The artifacts of successful builds are:
--> null: Did not export anything. This is the null builder

⇶  ~/bin/packer build -var 'foo=home' -var 'example=["one","another variable"]' .
null: output will be in this color.

==> null: Running local shell script: /tmp/packer-shell123467506
    null: another variable
    null: home
Build 'null' finished.

==> Builds finished. The artifacts of successful builds are:
--> null: Did not export anything. This is the null builder

```

* tests/hcl2template/types.variables: Update test to use Bool

Turns out a string value won't actually complain if it's given a non
string looking value. It will just covert the value to a string literal
so using a type Bool which should fail if given anything that is not
true or false.

* tests/hcl2template/types.variables: Update unit tests

During testing it was found that by default the variable stanza were defaulting to a cty.NilType, and not the Type of it's default value.
This change sets the default type of the defined variable to ensure variable evaluation behaviors correctly.

* Add a simple cty.Bool test case

* tests/hcl2template/types.variables:  Enable quoted_string test case

* Update hcl2template/types.variables.go

space

Co-authored-by: Adrien Delorme <azr@users.noreply.github.com>
 2020-03-06 15:12:26 +01:00
Adrien Delorme
9b649594c6 update tests 2020-03-04 13:01:18 +01:00
Adrien Delorme
59cc246942 Merge remote-tracking branch 'origin/master' into fix_8730 2020-03-04 12:30:01 +01:00
Adrien Delorme
50896d4ddf WIP 2020-03-03 11:15:56 +01:00
Sylvia Moss
591b684f08
Fix HCL2 local variables decoding to allow local usage within another local in the same locals block (#8755) 2020-02-21 12:12:30 +01:00
Adrien Delorme
3c213e6eaf continue and realise and unused undefaulted value triggers an error 2020-02-17 18:05:15 +01:00
Adrien Delorme
cebfb1c735 give correct error when variable is unset 2020-02-17 17:15:52 +01:00
Adrien Delorme
79867ca26e add test for unset variable 2020-02-17 16:36:19 +01:00
Adrien Delorme
193dad46e6
Hcl2 input variables, local variables and functions (#8588) 
Mainly redefine or reused what Terraform did.

* allow to used `variables`, `variable` and `local` blocks
* import the following functions and their docs from Terraform: abs, abspath, basename, base64decode, base64encode, bcrypt, can, ceil, chomp, chunklist, cidrhost, cidrnetmask, cidrsubnet, cidrsubnets, coalesce, coalescelist, compact, concat, contains, convert, csvdecode, dirname, distinct, element, file, fileexists, fileset, flatten, floor, format, formatdate, formatlist, indent, index, join, jsondecode, jsonencode, keys, length, log, lookup, lower, max, md5, merge, min, parseint, pathexpand, pow, range, reverse, rsadecrypt, setintersection, setproduct, setunion, sha1, sha256, sha512, signum, slice, sort, split, strrev, substr, timestamp, timeadd, title, trim, trimprefix, trimspace, trimsuffix, try, upper, urlencode, uuidv4, uuidv5, values, yamldecode, yamlencode, zipmap.
 2020-02-06 11:49:21 +01:00
Adrien Delorme
0785c2f6fc
build using HCL2 (#8423) 
This follows #8232 which added the code to generate the code required to parse
HCL files for each packer component.

All old config files of packer will keep on working the same. Packer takes one
argument. When a directory is passed, all files in the folder with a name
ending with  “.pkr.hcl” or “.pkr.json” will be parsed using the HCL2 format.
When a file ending with “.pkr.hcl” or “.pkr.json” is passed it will be parsed
using the HCL2 format. For every other case; the old packer style will be used.

## 1. the hcl2template pkg can create a packer.Build from a set of HCL (v2) files

I had to make the packer.coreBuild (which is our one and only packer.Build ) a public struct with public fields

## 2. Components interfaces get a new ConfigSpec Method to read a file from an HCL file.

  This is a breaking change for packer plugins.

a packer component can be a: builder/provisioner/post-processor

each component interface now gets a `ConfigSpec() hcldec.ObjectSpec`
which allows packer to tell what is the layout of the hcl2 config meant
to configure that specific component.

This ObjectSpec is sent through the wire (RPC) and a cty.Value is now
sent through the already existing configuration entrypoints:

 Provisioner.Prepare(raws ...interface{}) error
 Builder.Prepare(raws ...interface{}) ([]string, error)
 PostProcessor.Configure(raws ...interface{}) error

close #1768


Example hcl files:

```hcl
// file amazon-ebs-kms-key/run.pkr.hcl
build {
    sources = [
        "source.amazon-ebs.first",
    ]

    provisioner "shell" {
        inline = [
            "sleep 5"
        ]
    }

    post-processor "shell-local" {
        inline = [
            "sleep 5"
        ]
    }
}

// amazon-ebs-kms-key/source.pkr.hcl

source "amazon-ebs" "first" {

    ami_name = "hcl2-test"
    region = "us-east-1"
    instance_type = "t2.micro"

    kms_key_id = "c729958f-c6ba-44cd-ab39-35ab68ce0a6c"
    encrypt_boot = true
    source_ami_filter {
        filters {
          virtualization-type = "hvm"
          name =  "amzn-ami-hvm-????.??.?.????????-x86_64-gp2"
          root-device-type = "ebs"
        }
        most_recent = true
        owners = ["amazon"]
    }
    launch_block_device_mappings {
        device_name = "/dev/xvda"
        volume_size = 20
        volume_type = "gp2"
        delete_on_termination = "true"
    }
    launch_block_device_mappings {
        device_name = "/dev/xvdf"
        volume_size = 500
        volume_type = "gp2"
        delete_on_termination = true
        encrypted = true
    }

    ami_regions = ["eu-central-1"]
    run_tags {
        Name = "packer-solr-something"
        stack-name = "DevOps Tools"
    }
    
    communicator = "ssh"
    ssh_pty = true
    ssh_username = "ec2-user"
    associate_public_ip_address = true
}
```
 2019-12-17 11:25:56 +01:00