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15 commits

Author SHA1 Message Date
Lucas Bajolet
5673af108f hcl2template: split GetVarsByType in two functions 
GetVarsByType is a function that gets a list of Traversals from a hcl
Block.

This approach works when what we are visiting is indeed one, however
when we can get an immediate list of Traversals, but want to filter them
based on their roots, we have to reimplement parts of that function.

Therefore, we split this function in two, GetVarsByType still keeps its
current behaviour, but the filtering step is exposed as another function
now: FilterTraversalsByType, so we can reuse it elsewhere.
 2024-06-17 16:51:58 -04:00
Lucas Bajolet
434a1637f8 hcl2template: fix func to get vars from a config 
The previous implementation of the GetVarsByType function worked only on
top-level attributes, ignoring the nested blocks in the structure.

This implies that if a datasource depends on another through an
expression within a nested block, we may not execute it first, and then
executing this datasource before its dependent is possible, resulting in
an error in the end.

This commit is an attempt at making this more reliable for HCL configs,
but only works on configs lifted from HCL files for now. We need to make
this more reliable for later iterations.
 2023-10-05 10:31:04 -04:00
Lucas Bajolet
d9259d6d12 hcl2template: extract attr filter code from ds 
Datasources use their attribute's expressions to determine whether or
not they depend on another datasource, in order to get the list of
dependencies and execute them before executing a datasource.

This code may be useful later on for figuring out the dependencies for
any block, so we move this code to the utils.go file, and use this for
datasources.
 2023-10-05 10:31:04 -04:00
guoguangwu
7eb6a45cd4 chore: remove refs to deprecated io/ioutil 
Signed-off-by: guoguangwu <guoguangwu@magic-shield.com>
 2023-09-26 11:13:31 -04:00
hashicorp-copywrite[bot]
19055df3ec
[COMPLIANCE] License changes (#12568) 
* Updating the license from MPL to Business Source License

Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at https://hashi.co/bsl-blog, FAQ at https://hashi.co/license-faq, and details of the license at www.hashicorp.com/bsl.

* Update copyright file headers to BUSL-1.1

---------

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
 2023-08-10 15:53:29 -07:00
hashicorp-copywrite[bot]
b7df3ca36f
[COMPLIANCE] Add Copyright and License Headers (#12254) 
Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
 2023-03-02 15:37:05 -05:00
Adrien Delorme
f32b67c3bb
Simplify error message when config file can't be "stat'd" (#10763) 
* remove confusing message when a stat error happens while trying to list HCL2 files

* leave early if our first GetHCL2Files has errors
 2021-03-15 14:07:07 +01:00
Megan Marsh
90fb09e52a linting 2021-01-26 10:09:29 -08:00
Megan Marsh
21df997061 Handle case where list is empty 
Co-authored-by: Sylvia Moss <moss@hashicorp.com>
 2021-01-26 10:02:16 -08:00
Megan Marsh
e3b14d888b create util function in hcl2 template that will load config values into hcl values without panicing if it finds something it cannot handle 2021-01-25 12:25:41 -08:00
Adrien Delorme
bac9c74447
packer console for HCL2 (#9359) 2020-06-05 17:23:54 +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
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
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