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25 Commits

Author SHA1 Message Date
Adrien Delorme 44616d3bff
refactor initialization out from packer configs + tests (#9627) 
The initialization of packer core in JSON also validates that `null` variables were set, except in the case of `packer validate --syntax-only` , but after the refactor to allow to have all commands work with HCL2 and JSON this subtlety was lost.

This refactors the initialisation of the core in order to allow to have `packer validate --syntax-only` not error in case a variable is not set. Since these calls are refactored this works for HCL2 too.

fix #9478
 2020-07-24 10:58:03 +02:00
Adrien Delorme 125178d943
core: Decode: when in HCL2 decoding mode; reset the whole struct before preparing it. (#9622) 
* core: Decode when in HCL2 decoding mode; reset the whole struct before preparing it.
* HCL2: add path variables + docs & tests

Co-authored-by: Megan Marsh <megan@hashicorp.com>
 2020-07-23 09:25:07 +02:00
Adrien Delorme bac9c74447
packer console for HCL2 (#9359) 2020-06-05 17:23:54 +02:00
Adrien Delorme 059a782b0e remove debug log 2020-05-28 17:07:11 +02:00
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 526d040534 document Parser.Parse better 2020-04-30 11:51:24 +02:00
Adrien Delorme 5c2b8da63b get builds from PackerConfig instead of parser 
to allow just reading the config and to not start anything. This will allow to later on run `validate --syntax-only`.

Note that none of the builder/provisioner/post-processor config will be read but simply ignored. HCL2 still needs the body to be properly formatted and it should detect most syntax errors.
 2020-04-29 16:36:40 +02:00
Adrien Delorme 2df21496b3 hcl2template: let PackerConfig actually start a builder/provisioner/post-processor 2020-04-29 16:15:42 +02:00
Adrien Delorme 2af40c762b
HCL2: pass on builder type and name (#8956) 
* sets `packer_build_name` and `packer_builder_type` variables for builder provisioners and post-processors in HCL2
* allows to use the new `${source.type}` and `${source.name}` variables in HCL2
* fixes #8932 

Note that the common.PackerConfig is used everywhere and was not set for HCL2, this had some implications: 

For #8923 you can see the issue here:

dde74232f2/builder/lxd/config.go (L61-L63)

More random examples of where this could cause an issue :

0785c2f6fc/provisioner/ansible-local/provisioner.go (L380-L381)

b4efd13a4d/builder/amazon/ebs/builder.go (L232-L236)



* [All references to PackerConfig.PackerBuildName](https://sourcegraph.com/github.com/hashicorp/packer@ff6a039d5bb45e34ff761d9c52e8b98972288447/-/blob/common/packer_config.go#L7:2&tab=references)

* [All references to PackerConfig.PackerBuilderType](https://sourcegraph.com/github.com/hashicorp/packer@ff6a039d5bb45e34ff761d9c52e8b98972288447/-/blob/common/packer_config.go#L8:2&tab=references)
 2020-04-09 11:14:37 +02:00
Adrien Delorme d068430abf
make sure locals are evaluated only once variables are + test this (#8918) 
fix #8898
 2020-03-19 15:30:34 +01:00
Adrien Delorme ad8dafa3bd
HCL: add tests and fixes around var-file and var args (#8914) 2020-03-19 13:57:22 +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 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
Adrien Delorme e851050774 don't force to set unused variables too 2020-03-04 12:32:29 +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 a8fcb2d91a
HCL2: add support for dynamic blocks, document for loops and splat expressions (#8720) 2020-02-20 10:51:34 +01:00
Adrien Delorme cebfb1c735 give correct error when variable is unset 2020-02-17 17:15:52 +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 0102f5b6fa remove unecessary inexistant block panic + add test 
the hcl library will error for us
 2020-01-06 16:56:42 +01:00
Adrien Delorme aad90842b4 add test case and fix the breaking ones 2020-01-06 16:06:27 +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
Adrien Delorme 2b0e0d4eab add hcl2template pkg 
Package hcl2template defines code to parse hcl2 template files correctly.

In order to configure a packer builder,provisioner,communicator and post
processor.

Checkout the files in testdata/complete/ to see what a packer config could
look like.
 2019-10-15 12:56:42 +02:00