Added generator for command/plugin.go so we don't have to edit it by hand to add new plugins
This commit is contained in:
Chris Bednarski
parent
95797d7a8a
commit
6783bc3fb0
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@ -1,3 +1,7 @@
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//
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// This file is automatically generated by scripts/generate-plugins.go -- Do not edit!
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//
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package command
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package command
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import (
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import (
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@ -6,46 +10,48 @@ import (
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"regexp"
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"regexp"
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"strings"
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"strings"
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"github.com/mitchellh/packer/builder/amazon/chroot"
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"github.com/mitchellh/packer/builder/amazon/ebs"
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"github.com/mitchellh/packer/builder/amazon/instance"
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"github.com/mitchellh/packer/builder/digitalocean"
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"github.com/mitchellh/packer/builder/docker"
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filebuilder "github.com/mitchellh/packer/builder/file"
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"github.com/mitchellh/packer/builder/googlecompute"
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"github.com/mitchellh/packer/builder/null"
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"github.com/mitchellh/packer/builder/openstack"
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parallelsiso "github.com/mitchellh/packer/builder/parallels/iso"
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parallelspvm "github.com/mitchellh/packer/builder/parallels/pvm"
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"github.com/mitchellh/packer/builder/qemu"
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virtualboxiso "github.com/mitchellh/packer/builder/virtualbox/iso"
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virtualboxovf "github.com/mitchellh/packer/builder/virtualbox/ovf"
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vmwareiso "github.com/mitchellh/packer/builder/vmware/iso"
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vmwarevmx "github.com/mitchellh/packer/builder/vmware/vmx"
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"github.com/mitchellh/packer/packer"
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"github.com/mitchellh/packer/packer"
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"github.com/mitchellh/packer/packer/plugin"
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"github.com/mitchellh/packer/packer/plugin"
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"github.com/mitchellh/packer/post-processor/artifice"
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"github.com/mitchellh/packer/post-processor/atlas"
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amazonchrootbuilder "github.com/mitchellh/packer/builder/amazon/chroot"
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"github.com/mitchellh/packer/post-processor/compress"
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amazonebsbuilder "github.com/mitchellh/packer/builder/amazon/ebs"
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"github.com/mitchellh/packer/post-processor/docker-import"
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amazoninstancebuilder "github.com/mitchellh/packer/builder/amazon/instance"
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"github.com/mitchellh/packer/post-processor/docker-push"
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ansiblelocalprovisioner "github.com/mitchellh/packer/provisioner/ansible-local"
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"github.com/mitchellh/packer/post-processor/docker-save"
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artificepostprocessor "github.com/mitchellh/packer/post-processor/artifice"
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"github.com/mitchellh/packer/post-processor/docker-tag"
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atlaspostprocessor "github.com/mitchellh/packer/post-processor/atlas"
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"github.com/mitchellh/packer/post-processor/vagrant"
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chefclientprovisioner "github.com/mitchellh/packer/provisioner/chef-client"
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"github.com/mitchellh/packer/post-processor/vagrant-cloud"
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chefsoloprovisioner "github.com/mitchellh/packer/provisioner/chef-solo"
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"github.com/mitchellh/packer/post-processor/vsphere"
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compresspostprocessor "github.com/mitchellh/packer/post-processor/compress"
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"github.com/mitchellh/packer/provisioner/ansible-local"
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digitaloceanbuilder "github.com/mitchellh/packer/builder/digitalocean"
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"github.com/mitchellh/packer/provisioner/chef-client"
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dockerbuilder "github.com/mitchellh/packer/builder/docker"
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"github.com/mitchellh/packer/provisioner/chef-solo"
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dockerimportpostprocessor "github.com/mitchellh/packer/post-processor/docker-import"
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dockerpushpostprocessor "github.com/mitchellh/packer/post-processor/docker-push"
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dockersavepostprocessor "github.com/mitchellh/packer/post-processor/docker-save"
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dockertagpostprocessor "github.com/mitchellh/packer/post-processor/docker-tag"
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filebuilder "github.com/mitchellh/packer/builder/file"
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fileprovisioner "github.com/mitchellh/packer/provisioner/file"
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fileprovisioner "github.com/mitchellh/packer/provisioner/file"
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"github.com/mitchellh/packer/provisioner/powershell"
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googlecomputebuilder "github.com/mitchellh/packer/builder/googlecompute"
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"github.com/mitchellh/packer/provisioner/puppet-masterless"
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nullbuilder "github.com/mitchellh/packer/builder/null"
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"github.com/mitchellh/packer/provisioner/puppet-server"
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openstackbuilder "github.com/mitchellh/packer/builder/openstack"
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"github.com/mitchellh/packer/provisioner/salt-masterless"
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parallelsisobuilder "github.com/mitchellh/packer/builder/parallels/iso"
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"github.com/mitchellh/packer/provisioner/shell"
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parallelspvmbuilder "github.com/mitchellh/packer/builder/parallels/pvm"
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shelllocal "github.com/mitchellh/packer/provisioner/shell-local"
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powershellprovisioner "github.com/mitchellh/packer/provisioner/powershell"
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"github.com/mitchellh/packer/provisioner/windows-restart"
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puppetmasterlessprovisioner "github.com/mitchellh/packer/provisioner/puppet-masterless"
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windowsshell "github.com/mitchellh/packer/provisioner/windows-shell"
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puppetserverprovisioner "github.com/mitchellh/packer/provisioner/puppet-server"
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qemubuilder "github.com/mitchellh/packer/builder/qemu"
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saltmasterlessprovisioner "github.com/mitchellh/packer/provisioner/salt-masterless"
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shelllocalprovisioner "github.com/mitchellh/packer/provisioner/shell-local"
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shellprovisioner "github.com/mitchellh/packer/provisioner/shell"
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vagrantcloudpostprocessor "github.com/mitchellh/packer/post-processor/vagrant-cloud"
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vagrantpostprocessor "github.com/mitchellh/packer/post-processor/vagrant"
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virtualboxisobuilder "github.com/mitchellh/packer/builder/virtualbox/iso"
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virtualboxovfbuilder "github.com/mitchellh/packer/builder/virtualbox/ovf"
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vmwareisobuilder "github.com/mitchellh/packer/builder/vmware/iso"
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vmwarevmxbuilder "github.com/mitchellh/packer/builder/vmware/vmx"
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vspherepostprocessor "github.com/mitchellh/packer/post-processor/vsphere"
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windowsrestartprovisioner "github.com/mitchellh/packer/provisioner/windows-restart"
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windowsshellprovisioner "github.com/mitchellh/packer/provisioner/windows-shell"
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)
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)
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type PluginCommand struct {
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type PluginCommand struct {
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@ -53,52 +59,55 @@ type PluginCommand struct {
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}
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}
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var Builders = map[string]packer.Builder{
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var Builders = map[string]packer.Builder{
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"amazon-chroot": new(chroot.Builder),
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"amazon-chroot": new(amazonchrootbuilder.Builder),
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"amazon-ebs": new(ebs.Builder),
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"amazon-ebs": new(amazonebsbuilder.Builder),
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"amazon-instance": new(instance.Builder),
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"amazon-instance": new(amazoninstancebuilder.Builder),
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"digitalocean": new(digitalocean.Builder),
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"digitalocean": new(digitaloceanbuilder.Builder),
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"docker": new(docker.Builder),
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"docker": new(dockerbuilder.Builder),
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"file": new(filebuilder.Builder),
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"file": new(filebuilder.Builder),
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"googlecompute": new(googlecompute.Builder),
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"googlecompute": new(googlecomputebuilder.Builder),
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"null": new(null.Builder),
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"null": new(nullbuilder.Builder),
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"openstack": new(openstack.Builder),
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"openstack": new(openstackbuilder.Builder),
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"parallels-iso": new(parallelsiso.Builder),
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"parallels-iso": new(parallelsisobuilder.Builder),
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"parallels-pvm": new(parallelspvm.Builder),
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"parallels-pvm": new(parallelspvmbuilder.Builder),
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"qemu": new(qemu.Builder),
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"qemu": new(qemubuilder.Builder),
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"virtualbox-iso": new(virtualboxiso.Builder),
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"virtualbox-iso": new(virtualboxisobuilder.Builder),
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"virtualbox-ovf": new(virtualboxovf.Builder),
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"virtualbox-ovf": new(virtualboxovfbuilder.Builder),
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"vmware-iso": new(vmwareiso.Builder),
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"vmware-iso": new(vmwareisobuilder.Builder),
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"vmware-vmx": new(vmwarevmx.Builder),
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"vmware-vmx": new(vmwarevmxbuilder.Builder),
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}
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}
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var Provisioners = map[string]packer.Provisioner{
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var Provisioners = map[string]packer.Provisioner{
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"ansible-local": new(ansiblelocal.Provisioner),
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"ansible-local": new(ansiblelocalprovisioner.Provisioner),
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"chef-client": new(chefclient.Provisioner),
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"chef-client": new(chefclientprovisioner.Provisioner),
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"chef-solo": new(chefsolo.Provisioner),
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"chef-solo": new(chefsoloprovisioner.Provisioner),
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"file": new(fileprovisioner.Provisioner),
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"file": new(fileprovisioner.Provisioner),
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"powershell": new(powershell.Provisioner),
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"powershell": new(powershellprovisioner.Provisioner),
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"puppet-masterless": new(puppetmasterless.Provisioner),
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"puppet-masterless": new(puppetmasterlessprovisioner.Provisioner),
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"puppet-server": new(puppetserver.Provisioner),
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"puppet-server": new(puppetserverprovisioner.Provisioner),
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"salt-masterless": new(saltmasterless.Provisioner),
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"salt-masterless": new(saltmasterlessprovisioner.Provisioner),
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"shell": new(shell.Provisioner),
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"shell": new(shellprovisioner.Provisioner),
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"shell-local": new(shelllocal.Provisioner),
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"shell-local": new(shelllocalprovisioner.Provisioner),
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"windows-restart": new(restart.Provisioner),
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"windows-restart": new(windowsrestartprovisioner.Provisioner),
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"windows-shell": new(windowsshell.Provisioner),
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"windows-shell": new(windowsshellprovisioner.Provisioner),
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}
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}
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var PostProcessors = map[string]packer.PostProcessor{
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var PostProcessors = map[string]packer.PostProcessor{
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"artifice": new(artifice.PostProcessor),
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"artifice": new(artificepostprocessor.PostProcessor),
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"atlas": new(atlas.PostProcessor),
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"atlas": new(atlaspostprocessor.PostProcessor),
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"compress": new(compress.PostProcessor),
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"compress": new(compresspostprocessor.PostProcessor),
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"docker-import": new(dockerimport.PostProcessor),
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"docker-import": new(dockerimportpostprocessor.PostProcessor),
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"docker-push": new(dockerpush.PostProcessor),
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"docker-push": new(dockerpushpostprocessor.PostProcessor),
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"docker-save": new(dockersave.PostProcessor),
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"docker-save": new(dockersavepostprocessor.PostProcessor),
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"docker-tag": new(dockertag.PostProcessor),
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"docker-tag": new(dockertagpostprocessor.PostProcessor),
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"vagrant": new(vagrant.PostProcessor),
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"vagrant": new(vagrantpostprocessor.PostProcessor),
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"vagrant-cloud": new(vagrantcloud.PostProcessor),
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"vagrant-cloud": new(vagrantcloudpostprocessor.PostProcessor),
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"vsphere": new(vsphere.PostProcessor),
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"vsphere": new(vspherepostprocessor.PostProcessor),
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}
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}
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var pluginRegexp = regexp.MustCompile("packer-(builder|post-processor|provisioner)-(.+)")
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var pluginRegexp = regexp.MustCompile("packer-(builder|post-processor|provisioner)-(.+)")
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func (c *PluginCommand) Run(args []string) int {
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func (c *PluginCommand) Run(args []string) int {
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package command
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package command
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//go:generate go run ../scripts/generate-plugins.go
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import (
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import (
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"bytes"
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"bytes"
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"fmt"
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"fmt"
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@ -0,0 +1,325 @@
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// Generate Plugins is a small program that updates the lists of plugins in
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// command/plugin.go so they will be compiled into the main packer binary.
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//
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// See https://github.com/mitchellh/packer/pull/2608 for details.
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package main
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import (
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"fmt"
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"go/ast"
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"go/parser"
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"go/token"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"sort"
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"strings"
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)
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const target = "command/plugin.go"
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func main() {
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wd, _ := os.Getwd()
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if filepath.Base(wd) != "packer" {
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os.Chdir("..")
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wd, _ = os.Getwd()
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if filepath.Base(wd) != "packer" {
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log.Fatalf("This program must be invoked in the packer project root; in %s", wd)
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}
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}
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builders, err := discoverBuilders()
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if err != nil {
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log.Fatalf("Failed to discover builders: %s", err)
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}
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provisioners, _ := discoverProvisioners()
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if err != nil {
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log.Fatalf("Failed to discover provisioners: %s", err)
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}
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postProcessors, _ := discoverPostProcessors()
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if err != nil {
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log.Fatalf("Failed to discover post processors: %s", err)
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}
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output := source
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output = strings.Replace(output, "IMPORTS", makeImports(builders, provisioners, postProcessors), 1)
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output = strings.Replace(output, "BUILDERS", makeMap("Builders", "Builder", builders), 1)
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output = strings.Replace(output, "PROVISIONERS", makeMap("Provisioners", "Provisioner", provisioners), 1)
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output = strings.Replace(output, "POSTPROCESSORS", makeMap("PostProcessors", "PostProcessor", postProcessors), 1)
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// TODO sort the lists of plugins so we are not subjected to random OS ordering of the plugin lists
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// TODO format the file
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file, err := os.Create(target)
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if err != nil {
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log.Fatalf("Failed to open %s for writing: %s", target, err)
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}
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file.WriteString(output)
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file.Close()
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log.Printf("Generated %s", target)
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}
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type plugin struct {
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Package string
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PluginName string
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TypeName string
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Path string
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ImportName string
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}
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// makeMap creates a map named Name with type packer.Name that looks something
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// like this:
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//
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// var Builders = map[string]packer.Builder{
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// "amazon-chroot": new(chroot.Builder),
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// "amazon-ebs": new(ebs.Builder),
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// "amazon-instance": new(instance.Builder),
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func makeMap(varName, varType string, items []plugin) string {
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output := ""
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output += fmt.Sprintf("var %s = map[string]packer.%s{\n", varName, varType)
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for _, item := range items {
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output += fmt.Sprintf("\t\"%s\": new(%s.%s),\n", item.PluginName, item.ImportName, item.TypeName)
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}
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output += "}\n"
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return output
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}
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func makeImports(builders, provisioners, postProcessors []plugin) string {
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plugins := []string{}
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for _, builder := range builders {
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plugins = append(plugins, fmt.Sprintf("\t%s \"github.com/mitchellh/packer/%s\"\n", builder.ImportName, builder.Path))
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}
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for _, provisioner := range provisioners {
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plugins = append(plugins, fmt.Sprintf("\t%s \"github.com/mitchellh/packer/%s\"\n", provisioner.ImportName, provisioner.Path))
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}
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for _, postProcessor := range postProcessors {
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plugins = append(plugins, fmt.Sprintf("\t%s \"github.com/mitchellh/packer/%s\"\n", postProcessor.ImportName, postProcessor.Path))
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}
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// Make things pretty
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sort.Strings(plugins)
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return strings.Join(plugins, "")
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}
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// listDirectories recursively lists directories under the specified path
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func listDirectories(path string) ([]string, error) {
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names := []string{}
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items, err := ioutil.ReadDir(path)
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if err != nil {
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return names, err
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}
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for _, item := range items {
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// We only want directories
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if item.IsDir() {
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currentDir := filepath.Join(path, item.Name())
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names = append(names, currentDir)
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// Do some recursion
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subNames, err := listDirectories(currentDir)
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if err == nil {
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names = append(names, subNames...)
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}
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}
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}
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return names, nil
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}
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// deriveName determines the name of the plugin (what you'll see in a packer
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// template) based on the filesystem path. We use two rules:
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//
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// Start with -> builder/virtualbox/iso
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//
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// 1. Strip the root -> virtualbox/iso
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// 2. Switch slash / to dash - -> virtualbox-iso
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func deriveName(root, full string) string {
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short, _ := filepath.Rel(root, full)
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||||||
|
bits := strings.Split(short, string(os.PathSeparator))
|
||||||
|
return strings.Join(bits, "-")
|
||||||
|
}
|
||||||
|
|
||||||
|
// deriveImport will build a unique import identifier based on packageName and
|
||||||
|
// the result of deriveName()
|
||||||
|
//
|
||||||
|
// This will be something like -> virtualboxisobuilder
|
||||||
|
//
|
||||||
|
// Which is long, but deterministic and unique.
|
||||||
|
func deriveImport(typeName, derivedName string) string {
|
||||||
|
return strings.Replace(derivedName, "-", "", -1) + strings.ToLower(typeName)
|
||||||
|
}
|
||||||
|
|
||||||
|
// discoverTypesInPath searches for types of typeID in path and returns a list
|
||||||
|
// of plugins it finds.
|
||||||
|
func discoverTypesInPath(path, typeID string) ([]plugin, error) {
|
||||||
|
postProcessors := []plugin{}
|
||||||
|
|
||||||
|
dirs, err := listDirectories(path)
|
||||||
|
if err != nil {
|
||||||
|
return postProcessors, err
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, dir := range dirs {
|
||||||
|
fset := token.NewFileSet()
|
||||||
|
goPackages, err := parser.ParseDir(fset, dir, nil, parser.AllErrors)
|
||||||
|
if err != nil {
|
||||||
|
return postProcessors, fmt.Errorf("Failed parsing directory %s: %s", dir, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
for _, goPackage := range goPackages {
|
||||||
|
ast.PackageExports(goPackage)
|
||||||
|
ast.Inspect(goPackage, func(n ast.Node) bool {
|
||||||
|
switch x := n.(type) {
|
||||||
|
case *ast.TypeSpec:
|
||||||
|
if x.Name.Name == typeID {
|
||||||
|
derivedName := deriveName(path, dir)
|
||||||
|
postProcessors = append(postProcessors, plugin{
|
||||||
|
Package: goPackage.Name,
|
||||||
|
PluginName: derivedName,
|
||||||
|
ImportName: deriveImport(x.Name.Name, derivedName),
|
||||||
|
TypeName: x.Name.Name,
|
||||||
|
Path: dir,
|
||||||
|
})
|
||||||
|
// The AST stops parsing when we return false. Once we
|
||||||
|
// find the symbol we want we can stop parsing.
|
||||||
|
|
||||||
|
// DEBUG:
|
||||||
|
// fmt.Printf("package %#v\n", goPackage)
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return postProcessors, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func discoverBuilders() ([]plugin, error) {
|
||||||
|
path := "./builder"
|
||||||
|
typeID := "Builder"
|
||||||
|
return discoverTypesInPath(path, typeID)
|
||||||
|
}
|
||||||
|
|
||||||
|
func discoverProvisioners() ([]plugin, error) {
|
||||||
|
path := "./provisioner"
|
||||||
|
typeID := "Provisioner"
|
||||||
|
return discoverTypesInPath(path, typeID)
|
||||||
|
}
|
||||||
|
|
||||||
|
func discoverPostProcessors() ([]plugin, error) {
|
||||||
|
path := "./post-processor"
|
||||||
|
typeID := "PostProcessor"
|
||||||
|
return discoverTypesInPath(path, typeID)
|
||||||
|
}
|
||||||
|
|
||||||
|
const source = `//
|
||||||
|
// This file is automatically generated by scripts/generate-plugins.go -- Do not edit!
|
||||||
|
//
|
||||||
|
|
||||||
|
package command
|
||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
"log"
|
||||||
|
"regexp"
|
||||||
|
"strings"
|
||||||
|
|
||||||
|
"github.com/mitchellh/packer/packer"
|
||||||
|
"github.com/mitchellh/packer/packer/plugin"
|
||||||
|
|
||||||
|
IMPORTS
|
||||||
|
)
|
||||||
|
|
||||||
|
type PluginCommand struct {
|
||||||
|
Meta
|
||||||
|
}
|
||||||
|
|
||||||
|
BUILDERS
|
||||||
|
|
||||||
|
PROVISIONERS
|
||||||
|
|
||||||
|
POSTPROCESSORS
|
||||||
|
|
||||||
|
var pluginRegexp = regexp.MustCompile("packer-(builder|post-processor|provisioner)-(.+)")
|
||||||
|
|
||||||
|
func (c *PluginCommand) Run(args []string) int {
|
||||||
|
// This is an internal call (users should not call this directly) so we're
|
||||||
|
// not going to do much input validation. If there's a problem we'll often
|
||||||
|
// just crash. Error handling should be added to facilitate debugging.
|
||||||
|
log.Printf("args: %#v", args)
|
||||||
|
if len(args) != 1 {
|
||||||
|
c.Ui.Error("Wrong number of args")
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
|
||||||
|
// Plugin will match something like "packer-builder-amazon-ebs"
|
||||||
|
parts := pluginRegexp.FindStringSubmatch(args[0])
|
||||||
|
if len(parts) != 3 {
|
||||||
|
c.Ui.Error(fmt.Sprintf("Error parsing plugin argument [DEBUG]: %#v", parts))
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
pluginType := parts[1] // capture group 1 (builder|post-processor|provisioner)
|
||||||
|
pluginName := parts[2] // capture group 2 (.+)
|
||||||
|
|
||||||
|
server, err := plugin.Server()
|
||||||
|
if err != nil {
|
||||||
|
c.Ui.Error(fmt.Sprintf("Error starting plugin server: %s", err))
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
|
||||||
|
switch pluginType {
|
||||||
|
case "builder":
|
||||||
|
builder, found := Builders[pluginName]
|
||||||
|
if !found {
|
||||||
|
c.Ui.Error(fmt.Sprintf("Could not load builder: %s", pluginName))
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
server.RegisterBuilder(builder)
|
||||||
|
case "provisioner":
|
||||||
|
provisioner, found := Provisioners[pluginName]
|
||||||
|
if !found {
|
||||||
|
c.Ui.Error(fmt.Sprintf("Could not load provisioner: %s", pluginName))
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
server.RegisterProvisioner(provisioner)
|
||||||
|
case "post-processor":
|
||||||
|
postProcessor, found := PostProcessors[pluginName]
|
||||||
|
if !found {
|
||||||
|
c.Ui.Error(fmt.Sprintf("Could not load post-processor: %s", pluginName))
|
||||||
|
return 1
|
||||||
|
}
|
||||||
|
server.RegisterPostProcessor(postProcessor)
|
||||||
|
}
|
||||||
|
|
||||||
|
server.Serve()
|
||||||
|
|
||||||
|
return 0
|
||||||
|
}
|
||||||
|
|
||||||
|
func (*PluginCommand) Help() string {
|
||||||
|
helpText := ` + "`" + `
|
||||||
|
Usage: packer plugin PLUGIN
|
||||||
|
|
||||||
|
Runs an internally-compiled version of a plugin from the packer binary.
|
||||||
|
|
||||||
|
NOTE: this is an internal command and you should not call it yourself.
|
||||||
|
` + "`" + `
|
||||||
|
|
||||||
|
return strings.TrimSpace(helpText)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (c *PluginCommand) Synopsis() string {
|
||||||
|
return "internal plugin command"
|
||||||
|
}
|
||||||
|
`
|
||||||
Loading…
Reference in New Issue