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[WIP] file: use excludes list to excl files when uploading a directory #12280

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[WIP] file: use excludes list to excl files when uploading a directory #12280

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33fc558
file: use excludes list to excl files when uploading a directory
Glyphack Feb 18, 2023
b805f54
generate config & document changes
Glyphack Apr 12, 2023
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1 change: 0 additions & 1 deletion command/configtype_enumer.go
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1 change: 0 additions & 1 deletion packer/fixconfigmode_enumer.go
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7 changes: 6 additions & 1 deletion provisioner/file/provisioner.go
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,11 @@ type Config struct {
// the Packer run, but realize that there are situations where this may be
// unavoidable.
Generated bool `mapstructure:"generated" required:"false"`
// A list of files or directories to exclude from the upload. This is
// useful if you have a directory with many files and you only want to
// upload a few of them. This only works if you are uploading a directory
// and not a single file.
Excludes []string `mapstructure:"excludes" required:"false"`
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ctx interpolate.Context
}
Expand Down Expand Up @@ -227,7 +232,7 @@ func (p *Provisioner) ProvisionUpload(ui packersdk.Ui, comm packersdk.Communicat

// If we're uploading a directory, short circuit and do that
if info.IsDir() {
if err = comm.UploadDir(dst, src, nil); err != nil {
if err = comm.UploadDir(dst, src, p.config.Excludes); err != nil {
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This change is needed in order to path in the list of files to exclude. But the actually implementation for supporting the excludes would need to be made in the Packer SDK communicator, which this line is calling out to. At this present time the exclude argument is ignored.

https://github.com/hashicorp/packer-plugin-sdk/blob/b03e2b6b7bbc38ca6b92770b33873860e796a5e0/sdk-internals/communicator/ssh/communicator.go#L187

https://github.com/hashicorp/packer-plugin-sdk/blob/b03e2b6b7bbc38ca6b92770b33873860e796a5e0/sdk-internals/communicator/winrm/communicator.go#L149

For the excludes we will need to provide guidance on the allowed paths and/or globs that can be passed into exclude, which I think the file provisioner could take on the work of expanding.

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Thank you for noticing this. I already started a PR on packer-sdk to address this. I also left a comment there about how the pattern matching should be. Could you also take a look?

hashicorp/packer-plugin-sdk#163

ui.Error(fmt.Sprintf("Upload failed: %s", err))
return err
}
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2 changes: 2 additions & 0 deletions provisioner/file/provisioner.hcl2spec.go
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1 change: 0 additions & 1 deletion provisioner/powershell/executionpolicy_enumer.go
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5 changes: 5 additions & 0 deletions website/content/partials/provisioner/file/Config-not-required.mdx
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Expand Up @@ -18,4 +18,9 @@
the Packer run, but realize that there are situations where this may be
unavoidable.

- `excludes` ([]string) - A list of files or directories to exclude from the upload. This is
useful if you have a directory with many files and you only want to
upload a few of them. This only works if you are uploading a directory
and not a single file.

<!-- End of code generated from the comments of the Config struct in provisioner/file/provisioner.go; -->