Add http_content func to serve variables from HTTP @ preseed (#10801)

This imports hashicorp/packer-plugin-sdk#43

* code generate things
* update docs
* update guides
* update examples

We want to add a new guide.

builder/cloudstack/builder.go

@@ -60,12 +60,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 	// Build the steps.
 	steps := []multistep.Step{
 		&stepPrepareConfig{},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&stepKeypair{
 			Debug:        b.config.PackerDebug,
 			Comm:         &b.config.Comm,

builder/cloudstack/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -135,6 +136,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/hyperv/iso/builder.go

@@ -211,12 +211,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			Directories: b.config.FloppyConfig.FloppyDirectories,
 			Label:       b.config.FloppyConfig.FloppyLabel,
 		},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&hypervcommon.StepCreateSwitch{
 			SwitchName: b.config.SwitchName,
 		},

builder/hyperv/iso/builder.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars                 map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars            []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                        *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent                    map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin                    *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax                    *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress                    *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -141,6 +142,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":            &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":       &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                   &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                     &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                    &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                    &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":                &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/hyperv/vmcx/builder.go

@@ -251,12 +251,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			Directories: b.config.FloppyConfig.FloppyDirectories,
 			Label:       b.config.FloppyConfig.FloppyLabel,
 		},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&hypervcommon.StepCreateSwitch{
 			SwitchName: b.config.SwitchName,
 		},

builder/hyperv/vmcx/builder.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars                 map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars            []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                        *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent                    map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin                    *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax                    *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress                    *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -143,6 +144,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":            &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":       &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                   &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                     &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                    &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                    &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":                &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/parallels/iso/builder.go

@@ -209,12 +209,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			Directories: b.config.FloppyConfig.FloppyDirectories,
 			Label:       b.config.FloppyConfig.FloppyLabel,
 		},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		new(stepCreateVM),
 		new(stepCreateDisk),
 		new(stepSetBootOrder),

builder/parallels/iso/builder.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -126,6 +127,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/proxmox/clone/config.hcl2spec.go

@@ -20,6 +20,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string                  `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string                           `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string                            `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string                  `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int                               `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int                               `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string                            `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -130,6 +131,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/proxmox/common/builder.go

@@ -52,12 +52,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook,
 		&stepStartVM{
 			vmCreator: b.vmCreator,
 		},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&stepTypeBootCommand{
 			BootConfig: b.config.BootConfig,
 			Ctx:        b.config.Ctx,

builder/proxmox/common/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string          `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string                   `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string                    `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string          `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int                       `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int                       `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string                    `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -127,6 +128,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/proxmox/iso/config.hcl2spec.go

@@ -20,6 +20,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string                  `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string                           `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string                            `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string                  `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int                               `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int                               `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string                            `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -136,6 +137,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/qemu/builder.go

@@ -96,12 +96,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			QemuImgArgs:     b.config.QemuImgArgs,
 		},
 		new(stepHTTPIPDiscover),
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&stepPortForward{
 			CommunicatorType: b.config.CommConfig.Comm.Type,
 			NetBridge:        b.config.NetBridge,

builder/qemu/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -153,6 +154,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/qemu/step_run.go

@@ -298,6 +298,7 @@ func (s *stepRun) applyUserOverrides(defaultArgs map[string]interface{}, config
 			HTTPIP      string
 			HTTPPort    int
 			HTTPDir     string
+			HTTPContent map[string]string
 			OutputDir   string
 			Name        string
 			SSHHostPort int
@@ -308,6 +309,7 @@ func (s *stepRun) applyUserOverrides(defaultArgs map[string]interface{}, config
 			HTTPIP:      httpIp,
 			HTTPPort:    httpPort,
 			HTTPDir:     config.HTTPDir,
+			HTTPContent: config.HTTPContent,
 			OutputDir:   config.OutputDir,
 			Name:        config.VMName,
 			SSHHostPort: commHostPort,

builder/vagrant/builder.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -128,6 +129,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/virtualbox/iso/builder.go

@@ -406,12 +406,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			Label: b.config.CDConfig.CDLabel,
 		},
 		new(vboxcommon.StepHTTPIPDiscover),
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&vboxcommon.StepSshKeyPair{
 			Debug:        b.config.PackerDebug,
 			DebugKeyPath: fmt.Sprintf("%s.pem", b.config.PackerBuildName),

builder/virtualbox/iso/builder.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -162,6 +163,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/virtualbox/ovf/builder.go

@@ -65,12 +65,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			Label: b.config.CDConfig.CDLabel,
 		},
 		new(vboxcommon.StepHTTPIPDiscover),
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&vboxcommon.StepSshKeyPair{
 			Debug:        b.config.PackerDebug,
 			DebugKeyPath: fmt.Sprintf("%s.pem", b.config.PackerBuildName),

builder/virtualbox/ovf/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -138,6 +139,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/virtualbox/vm/builder.go

@@ -64,12 +64,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			KeepRegistered: b.config.KeepRegistered,
 		},
 		new(vboxcommon.StepHTTPIPDiscover),
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&vboxcommon.StepDownloadGuestAdditions{
 			GuestAdditionsMode:   b.config.GuestAdditionsMode,
 			GuestAdditionsURL:    b.config.GuestAdditionsURL,

builder/virtualbox/vm/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -136,6 +137,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":        &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":   &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":               &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                 &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":            &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/vmware/iso/builder.go

@@ -117,12 +117,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 		},
 		&vmwcommon.StepSuppressMessages{},
 		&vmwcommon.StepHTTPIPDiscover{},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&vmwcommon.StepConfigureVNC{
 			Enabled:            !b.config.DisableVNC && !b.config.VNCOverWebsocket,
 			VNCBindAddress:     b.config.VNCBindAddress,

builder/vmware/iso/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -167,6 +168,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":          &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":     &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                 &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                   &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                  &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                  &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":              &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/vmware/vmx/builder.go

@@ -108,12 +108,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 		},
 		&vmwcommon.StepSuppressMessages{},
 		&vmwcommon.StepHTTPIPDiscover{},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&vmwcommon.StepUploadVMX{
 			RemoteType: b.config.RemoteType,
 		},

builder/vmware/vmx/config.hcl2spec.go

@@ -19,6 +19,7 @@ type FlatConfig struct {
 	PackerUserVars            map[string]string `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars       []string          `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                   *string           `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent               map[string]string `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin               *int              `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax               *int              `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress               *string           `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -149,6 +150,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":          &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":     &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                 &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                   &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                  &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                  &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":              &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/vsphere/clone/builder.go

@@ -89,12 +89,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 				HTTPIP:  b.config.BootConfig.HTTPIP,
 				Network: b.config.WaitIpConfig.GetIPNet(),
 			},
-			&commonsteps.StepHTTPServer{
-				HTTPDir:     b.config.HTTPDir,
-				HTTPPortMin: b.config.HTTPPortMin,
-				HTTPPortMax: b.config.HTTPPortMax,
-				HTTPAddress: b.config.HTTPAddress,
-			},
+			commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 			&common.StepSshKeyPair{
 				Debug:        b.config.PackerDebug,
 				DebugKeyPath: fmt.Sprintf("%s.pem", b.config.PackerBuildName),

builder/vsphere/clone/config.hcl2spec.go

@@ -20,6 +20,7 @@ type FlatConfig struct {
 	PackerUserVars                  map[string]string                           `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars             []string                                    `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                         *string                                     `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent                     map[string]string                           `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin                     *int                                        `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax                     *int                                        `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress                     *string                                     `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -159,6 +160,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":          &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":     &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                 &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                   &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                  &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                  &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":              &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

builder/vsphere/iso/builder.go

@@ -92,12 +92,7 @@ func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packersdk.Hook)
 			HTTPIP:  b.config.BootConfig.HTTPIP,
 			Network: b.config.WaitIpConfig.GetIPNet(),
 		},
-		&commonsteps.StepHTTPServer{
-			HTTPDir:     b.config.HTTPDir,
-			HTTPPortMin: b.config.HTTPPortMin,
-			HTTPPortMax: b.config.HTTPPortMax,
-			HTTPAddress: b.config.HTTPAddress,
-		},
+		commonsteps.HTTPServerFromHTTPConfig(&b.config.HTTPConfig),
 		&common.StepRun{
 			Config:   &b.config.RunConfig,
 			SetOrder: true,

builder/vsphere/iso/config.hcl2spec.go

@@ -20,6 +20,7 @@ type FlatConfig struct {
 	PackerUserVars                  map[string]string                           `mapstructure:"packer_user_variables" cty:"packer_user_variables" hcl:"packer_user_variables"`
 	PackerSensitiveVars             []string                                    `mapstructure:"packer_sensitive_variables" cty:"packer_sensitive_variables" hcl:"packer_sensitive_variables"`
 	HTTPDir                         *string                                     `mapstructure:"http_directory" cty:"http_directory" hcl:"http_directory"`
+	HTTPContent                     map[string]string                           `mapstructure:"http_content" cty:"http_content" hcl:"http_content"`
 	HTTPPortMin                     *int                                        `mapstructure:"http_port_min" cty:"http_port_min" hcl:"http_port_min"`
 	HTTPPortMax                     *int                                        `mapstructure:"http_port_max" cty:"http_port_max" hcl:"http_port_max"`
 	HTTPAddress                     *string                                     `mapstructure:"http_bind_address" cty:"http_bind_address" hcl:"http_bind_address"`
@@ -161,6 +162,7 @@ func (*FlatConfig) HCL2Spec() map[string]hcldec.Spec {
 		"packer_user_variables":          &hcldec.AttrSpec{Name: "packer_user_variables", Type: cty.Map(cty.String), Required: false},
 		"packer_sensitive_variables":     &hcldec.AttrSpec{Name: "packer_sensitive_variables", Type: cty.List(cty.String), Required: false},
 		"http_directory":                 &hcldec.AttrSpec{Name: "http_directory", Type: cty.String, Required: false},
+		"http_content":                   &hcldec.AttrSpec{Name: "http_content", Type: cty.Map(cty.String), Required: false},
 		"http_port_min":                  &hcldec.AttrSpec{Name: "http_port_min", Type: cty.Number, Required: false},
 		"http_port_max":                  &hcldec.AttrSpec{Name: "http_port_max", Type: cty.Number, Required: false},
 		"http_bind_address":              &hcldec.AttrSpec{Name: "http_bind_address", Type: cty.String, Required: false},

command/hcl2_upgrade.go

@@ -1216,6 +1216,7 @@ var PASSTHROUGHS = map[string]string{"NVME_Present": "{{ .NVME_Present }}",
 	"WinRMPassword":              "{{ .WinRMPassword }}",
 	"DefaultOrganizationID":      "{{ .DefaultOrganizationID }}",
 	"HTTPDir":                    "{{ .HTTPDir }}",
+	"HTTPContent":                "{{ .HTTPContent }}",
 	"SegmentPath":                "{{ .SegmentPath }}",
 	"NewVHDSizeBytes":            "{{ .NewVHDSizeBytes }}",
 	"CTyp":                       "{{ .CTyp }}",

examples/hcl/linux/source.parallels-iso.pkr.hcl

@@ -2,7 +2,7 @@
 source "parallels-iso" "base-ubuntu-amd64" {
   boot_wait              = "10s"
   guest_os_type          = "ubuntu"
-  http_directory         = local.http_directory
+  http_content           = local.http_directory_content
   parallels_tools_flavor = "lin"
   prlctl_version_file    = ".prlctl_version"
   shutdown_command       = "echo 'vagrant' | sudo -S shutdown -P now"

examples/hcl/linux/source.virtualbox-iso.pkr.hcl

@@ -1,7 +1,7 @@
 source "virtualbox-iso" "base-ubuntu-amd64" {
     headless                = var.headless
     guest_os_type           = "Ubuntu_64"
-    http_directory          = local.http_directory
+    http_content            = local.http_directory_content
     shutdown_command        = "echo 'vagrant' | sudo -S shutdown -P now"
     ssh_username            = "vagrant"
     ssh_password            = "vagrant"

examples/hcl/linux/variables.18.04.pkr.hcl

@@ -1,9 +1,9 @@
 variable "ubuntu_1804_version" {
-  default = "18.04.4"
+  default = "18.04.5"
 }
 
 locals {
-  iso_url_ubuntu_1804           = "http://cdimage.ubuntu.com/ubuntu/releases/18.04/release/ubuntu-18.04.4-server-amd64.iso"
+  iso_url_ubuntu_1804           = "http://cdimage.ubuntu.com/ubuntu/releases/18.04/release/ubuntu-${var.ubuntu_1804_version}-server-amd64.iso"
   iso_checksum_url_ubuntu_1804  = "http://cdimage.ubuntu.com/ubuntu/releases/18.04/release/SHA256SUMS"
   ubuntu_1804_boot_command      = [
     "<esc><wait>",

examples/hcl/linux/variables.common.pkr.hcl

@@ -20,4 +20,10 @@ locals {
   // value. This validates that the http directory exists even before starting
   // any builder/provisioner.
   http_directory = dirname(convert(fileset(".", "etc/http/*"), list(string))[0])
+  http_directory_content = {
+    "/alpine-answers"           = file("${local.http_directory}/alpine-answers"),
+    "/alpine-setup.sh"          = file("${local.http_directory}/alpine-setup.sh"),
+    "/preseed_hardcoded_ip.cfg" = file("${local.http_directory}/preseed_hardcoded_ip.cfg"),
+    "/preseed.cfg"              = file("${local.http_directory}/preseed.cfg"),
+  }
 }

go.mod

@@ -51,7 +51,7 @@ require (
 	github.com/hashicorp/go-version v1.2.0
 	github.com/hashicorp/hcl/v2 v2.8.0
 	github.com/hashicorp/packer-plugin-docker v0.0.2
-	github.com/hashicorp/packer-plugin-sdk v0.0.14
+	github.com/hashicorp/packer-plugin-sdk v0.1.1-0.20210323111710-5a7ab7f7a1c0
 	github.com/hashicorp/vault/api v1.0.4
 	github.com/hetznercloud/hcloud-go v1.15.1
 	github.com/hyperonecom/h1-client-go v0.0.0-20191203060043-b46280e4c4a4

go.sum

@@ -394,6 +394,7 @@ github.com/hashicorp/packer v1.6.7-0.20210125170305-539638b0f951/go.mod h1:Z3eun
 github.com/hashicorp/packer v1.6.7-0.20210126105722-aef4ced967ec/go.mod h1:2+Vo/c/fA+TD9yFc/h9jQMFm4yG+IymQIr0OdJJOPiE=
 github.com/hashicorp/packer v1.6.7-0.20210208125835-f616955ebcb6/go.mod h1:7f5ZpTTRG53rQ58BcTADuTnpiBcB3wapuxl4sF2sGMM=
 github.com/hashicorp/packer v1.6.7-0.20210217093213-201869d627bf/go.mod h1:+EWPPcqee4h8S/y913Dnta1eJkgiqsGXBQgB75A2qV0=
+github.com/hashicorp/packer v1.7.0/go.mod h1:3KRJcwOctl2JaAGpQMI1bWQRArfWNWqcYjO6AOsVVGQ=
 github.com/hashicorp/packer-plugin-docker v0.0.2 h1:j/hQTogaN2pZfZohlZTRu5YvNZg2/qtYYHkxPBxv2Oo=
 github.com/hashicorp/packer-plugin-docker v0.0.2/go.mod h1:A2p9qztS4n88KsNF+qBM7BWw2HndW636GpFIjNSvbKM=
 github.com/hashicorp/packer-plugin-sdk v0.0.6/go.mod h1:Nvh28f+Jmpp2rcaN79bULTouNkGNDRfHckhHKTAXtyU=
@@ -403,8 +404,9 @@ github.com/hashicorp/packer-plugin-sdk v0.0.7-0.20210122130548-45a6ca0a9365/go.m
 github.com/hashicorp/packer-plugin-sdk v0.0.10-0.20210126105622-8e1648006d93/go.mod h1:AtWQLNfpn7cgH2SmZ1PTedwqNOhiPvzcuKfH5sDvIQ0=
 github.com/hashicorp/packer-plugin-sdk v0.0.11/go.mod h1:GNb0WNs7zibb8vzUZce1As64z2AW0FEMwhe2J7/NW5I=
 github.com/hashicorp/packer-plugin-sdk v0.0.12/go.mod h1:hs82OYeufirGG6KRENMpjBWomnIlte99X6wXAPThJ5I=
-github.com/hashicorp/packer-plugin-sdk v0.0.14 h1:42WOZLmIbAYYC1WXxtlrQZN+fFdysVvTmj3jtoI6gOU=
 github.com/hashicorp/packer-plugin-sdk v0.0.14/go.mod h1:tNb3XzJPnjMl3QuUdKmF47B5ImerdTakalHzUAvW0aw=
+github.com/hashicorp/packer-plugin-sdk v0.1.1-0.20210323111710-5a7ab7f7a1c0 h1:nw4RqF7C4jUWGo5PGDG4dSclU+G/vXyVBHIu5j7akd4=
+github.com/hashicorp/packer-plugin-sdk v0.1.1-0.20210323111710-5a7ab7f7a1c0/go.mod h1:1d3nqB9LUsXMQaNUiL67Q+WYEtjsVcLNTX8ikVlpBrc=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
 github.com/hashicorp/serf v0.9.2 h1:yJoyfZXo4Pk2p/M/viW+YLibBFiIbKoP79gu7kDAFP0=
 github.com/hashicorp/serf v0.9.2/go.mod h1:UWDWwZeL5cuWDJdl0C6wrvrUwEqtQ4ZKBKKENpqIUyk=

vendor/github.com/hashicorp/packer-plugin-sdk/didyoumean/name_suggestion.go

@@ -0,0 +1,24 @@
+package didyoumean
+
+import (
+	"github.com/agext/levenshtein"
+)
+
+// NameSuggestion tries to find a name from the given slice of suggested names
+// that is close to the given name and returns it if found. If no suggestion is
+// close enough, returns the empty string.
+//
+// The suggestions are tried in order, so earlier suggestions take precedence if
+// the given string is similar to two or more suggestions.
+//
+// This function is intended to be used with a relatively-small number of
+// suggestions. It's not optimized for hundreds or thousands of them.
+func NameSuggestion(given string, suggestions []string) string {
+	for _, suggestion := range suggestions {
+		dist := levenshtein.Distance(given, suggestion, nil)
+		if dist < 3 { // threshold determined experimentally
+			return suggestion
+		}
+	}
+	return ""
+}

vendor/github.com/hashicorp/packer-plugin-sdk/multistep/commonsteps/http_config.go

@@ -23,6 +23,15 @@ type HTTPConfig struct {
 	// started. The address and port of the HTTP server will be available as
 	// variables in `boot_command`. This is covered in more detail below.
 	HTTPDir string `mapstructure:"http_directory"`
+	// Key/Values to serve using an HTTP server. http_content works like and
+	// conflicts with http_directory The keys represent the paths and the values
+	// contents. This is useful for hosting kickstart files and so on. By
+	// default this is empty, which means no HTTP server will be started. The
+	// address and port of the HTTP server will be available as variables in
+	// `boot_command`. This is covered in more detail below. Example: Setting
+	// `"foo/bar"="baz"`, will allow you to http get on
+	// `http://{http_ip}:{http_port}/foo/bar`.
+	HTTPContent map[string]string `mapstructure:"http_content"`
 	// These are the minimum and maximum port to use for the HTTP server
 	// started to serve the `http_directory`. Because Packer often runs in
 	// parallel, Packer will choose a randomly available port in this range to
@@ -66,5 +75,10 @@ func (c *HTTPConfig) Prepare(ctx *interpolate.Context) []error {
 			errors.New("http_port_min must be less than http_port_max"))
 	}
 
+	if len(c.HTTPContent) > 0 && len(c.HTTPDir) > 0 {
+		errs = append(errs,
+			errors.New("http_content cannot be used in conjunction with http_dir. Consider using the file function to load file in memory and serve them with http_content: https://www.packer.io/docs/templates/hcl_templates/functions/file/file"))
+	}
+
 	return errs
 }

vendor/github.com/hashicorp/packer-plugin-sdk/multistep/commonsteps/step_http_server.go

@@ -3,14 +3,28 @@ package commonsteps
 import (
 	"context"
 	"fmt"
-
+	"log"
 	"net/http"
+	"os"
+	"path"
+	"sort"
 
+	"github.com/hashicorp/packer-plugin-sdk/didyoumean"
 	"github.com/hashicorp/packer-plugin-sdk/multistep"
 	"github.com/hashicorp/packer-plugin-sdk/net"
 	packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
 )
 
+func HTTPServerFromHTTPConfig(cfg *HTTPConfig) *StepHTTPServer {
+	return &StepHTTPServer{
+		HTTPDir:     cfg.HTTPDir,
+		HTTPContent: cfg.HTTPContent,
+		HTTPPortMin: cfg.HTTPPortMin,
+		HTTPPortMax: cfg.HTTPPortMax,
+		HTTPAddress: cfg.HTTPAddress,
+	}
+}
+
 // This step creates and runs the HTTP server that is serving files from the
 // directory specified by the 'http_directory` configuration parameter in the
 // template.
@@ -22,6 +36,7 @@ import (
 //   http_port int - The port the HTTP server started on.
 type StepHTTPServer struct {
 	HTTPDir     string
+	HTTPContent map[string]string
 	HTTPPortMin int
 	HTTPPortMax int
 	HTTPAddress string
@@ -29,16 +44,58 @@ type StepHTTPServer struct {
 	l *net.Listener
 }
 
+func (s *StepHTTPServer) Handler() http.Handler {
+	if s.HTTPDir != "" {
+		return http.FileServer(http.Dir(s.HTTPDir))
+	}
+
+	return MapServer(s.HTTPContent)
+}
+
+type MapServer map[string]string
+
+func (s MapServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	path := path.Clean(r.URL.Path)
+	content, found := s[path]
+	if !found {
+		paths := make([]string, 0, len(s))
+		for k := range s {
+			paths = append(paths, k)
+		}
+		sort.Strings(paths)
+		err := fmt.Sprintf("%s not found.", path)
+		if sug := didyoumean.NameSuggestion(path, paths); sug != "" {
+			err += fmt.Sprintf(" Did you mean %q?", sug)
+		}
+
+		http.Error(w, err, http.StatusNotFound)
+		return
+	}
+
+	if _, err := w.Write([]byte(content)); err != nil {
+		// log err in case the file couldn't be 100% transferred for example.
+		log.Printf("http_content serve error: %v", err)
+	}
+}
+
 func (s *StepHTTPServer) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
 	ui := state.Get("ui").(packersdk.Ui)
 
-	if s.HTTPDir == "" {
+	if s.HTTPDir == "" && len(s.HTTPContent) == 0 {
 		state.Put("http_port", 0)
 		return multistep.ActionContinue
 	}
 
+	if s.HTTPDir != "" {
+		if _, err := os.Stat(s.HTTPDir); err != nil {
+			err := fmt.Errorf("Error finding %q: %s", s.HTTPDir, err)
+			state.Put("error", err)
+			ui.Error(err.Error())
+			return multistep.ActionHalt
+		}
+	}
+
 	// Find an available TCP port for our HTTP server
-	var httpAddr string
 	var err error
 	s.l, err = net.ListenRangeConfig{
 		Min:     s.HTTPPortMin,
@@ -57,8 +114,7 @@ func (s *StepHTTPServer) Run(ctx context.Context, state multistep.StateBag) mult
 	ui.Say(fmt.Sprintf("Starting HTTP server on port %d", s.l.Port))
 
 	// Start the HTTP server and run it in the background
-	fileServer := http.FileServer(http.Dir(s.HTTPDir))
-	server := &http.Server{Addr: httpAddr, Handler: fileServer}
+	server := &http.Server{Addr: "", Handler: s.Handler()}
 	go server.Serve(s.l)
 
 	// Save the address into the state so it can be accessed in the future
@@ -67,9 +123,20 @@ func (s *StepHTTPServer) Run(ctx context.Context, state multistep.StateBag) mult
 	return multistep.ActionContinue
 }
 
-func (s *StepHTTPServer) Cleanup(multistep.StateBag) {
+func (s *StepHTTPServer) Cleanup(state multistep.StateBag) {
 	if s.l != nil {
+		ui := state.Get("ui").(packersdk.Ui)
+
 		// Close the listener so that the HTTP server stops
-		s.l.Close()
+		if err := s.l.Close(); err != nil {
+			err = fmt.Errorf("Failed closing http server on port %d: %w", s.l.Port, err)
+			ui.Error(err.Error())
+			// Here this error should be shown to the UI but it won't
+			// specifically stop Packer from terminating successfully. It could
+			// cause a "Listen leak" if it happenned a lot. Though Listen will
+			// try other ports if one is already used. In the case we want to
+			// Listen on only one port, the next Listen call could fail or be
+			// longer than expected.
+		}
 	}
 }

vendor/github.com/hashicorp/packer-plugin-sdk/template/funcs.go

@@ -56,7 +56,10 @@ func Vault(path string, key string) (string, error) {
 		}
 
 		// neither v1 nor v2 proudced a valid value
-		return "", fmt.Errorf("Vault data was empty at the given path. Warnings: %s", strings.Join(secret.Warnings, "; "))
+		return "", fmt.Errorf("Vault data was empty at the given path. Check "+
+			"the Vault function docs for help: "+
+			"https://www.packer.io/docs/templates/hcl_templates/functions/contextual/vault. "+
+			"Original warnings from Vault call: %s", strings.Join(secret.Warnings, "; "))
 	}
 
 	if val, ok := data.(map[string]interface{})[key]; ok {

vendor/github.com/hashicorp/packer-plugin-sdk/version/version.go

@@ -13,12 +13,12 @@ import (
 var GitCommit string
 
 // Package version helps plugin creators set and track the sdk version using
-var Version = "0.0.14"
+var Version = "0.1.1"
 
 // A pre-release marker for the version. If this is "" (empty string)
 // then it means that it is a final release. Otherwise, this is a pre-release
 // such as "dev" (in development), "beta", "rc1", etc.
-var VersionPrerelease = ""
+var VersionPrerelease = "dev"
 
 // SDKVersion is used by the plugin set to allow Packer to recognize
 // what version of the sdk the plugin is.

vendor/modules.txt

@@ -428,7 +428,7 @@ github.com/hashicorp/packer-plugin-docker/post-processor/docker-import
 github.com/hashicorp/packer-plugin-docker/post-processor/docker-push
 github.com/hashicorp/packer-plugin-docker/post-processor/docker-save
 github.com/hashicorp/packer-plugin-docker/post-processor/docker-tag
-# github.com/hashicorp/packer-plugin-sdk v0.0.14
+# github.com/hashicorp/packer-plugin-sdk v0.1.1-0.20210323111710-5a7ab7f7a1c0
 ## explicit
 github.com/hashicorp/packer-plugin-sdk/acctest
 github.com/hashicorp/packer-plugin-sdk/acctest/provisioneracc
@@ -440,6 +440,7 @@ github.com/hashicorp/packer-plugin-sdk/common
 github.com/hashicorp/packer-plugin-sdk/communicator
 github.com/hashicorp/packer-plugin-sdk/communicator/ssh
 github.com/hashicorp/packer-plugin-sdk/communicator/sshkey
+github.com/hashicorp/packer-plugin-sdk/didyoumean
 github.com/hashicorp/packer-plugin-sdk/filelock
 github.com/hashicorp/packer-plugin-sdk/guestexec
 github.com/hashicorp/packer-plugin-sdk/hcl2helper

website/content/docs/builders/cloudstack.mdx

@@ -89,25 +89,10 @@ builder.
 - `expunge` (boolean) - Set to `true` to expunge the instance when it is
   destroyed. Defaults to `false`.
 
-- `http_directory` (string) - Path to a directory to serve using an HTTP
-  server. The files in this directory will be available over HTTP that will
-  be requestable from the virtual machine. This is useful for hosting
-  kickstart files and so on. By default this is "", which means no HTTP
-  server will be started. The address and port of the HTTP server will be
-  available as variables in `user_data`. This is covered in more detail
-  below.
-
 - `http_get_only` (boolean) - Some cloud providers only allow HTTP GET calls
   to their CloudStack API. If using such a provider, you need to set this to
   `true` in order for the provider to only make GET calls and no POST calls.
 
-- `http_port_min` and `http_port_max` (number) - These are the minimum and
-  maximum port to use for the HTTP server started to serve the
-  `http_directory`. Because Packer often runs in parallel, Packer will choose
-  a randomly available port in this range to run the HTTP server. If you want
-  to force the HTTP server to be on one port, make this minimum and maximum
-  port the same. By default the values are 8000 and 9000, respectively.
-
 - `hypervisor` (string) - The target hypervisor (e.g. `XenServer`, `KVM`) for
   the new template. This option is required when using `source_iso`.
 

website/content/docs/builders/parallels/iso.mdx

@@ -146,20 +146,6 @@ can also be supplied to override the typical auto-generated key:
   \["en0", "en1", "en2", "en3", "en4", "en5", "en6", "en7", "en8", "en9",
   "ppp0", "ppp1", "ppp2"\].
 
-- `http_directory` (string) - Path to a directory to serve using an
-  HTTP server. The files in this directory will be available over HTTP that
-  will be requestable from the virtual machine. This is useful for hosting
-  kickstart files and so on. By default this is "", which means no HTTP server
-  will be started. The address and port of the HTTP server will be available
-  as variables in `boot_command`. This is covered in more detail below.
-
-- `http_port_min` and `http_port_max` (number) - These are the minimum and
-  maximum port to use for the HTTP server started to serve the
-  `http_directory`. Because Packer often runs in parallel, Packer will choose
-  a randomly available port in this range to run the HTTP server. If you want
-  to force the HTTP server to be on one port, make this minimum and maximum
-  port the same. By default the values are 8000 and 9000, respectively.
-
 - `memory` (number) - The amount of memory to use for building the VM in
   megabytes. Defaults to `512` megabytes.
 
@@ -231,6 +217,14 @@ can also be supplied to override the typical auto-generated key:
   virtual machine, without the file extension. By default this is
   "packer-BUILDNAME", where "BUILDNAME" is the name of the build.
 
+## Http directory configuration reference
+
+@include 'packer-plugin-sdk/multistep/commonsteps/HTTPConfig.mdx'
+
+### Optional:
+
+@include 'packer-plugin-sdk/multistep/commonsteps/HTTPConfig-not-required.mdx'
+
 ## Boot Command
 
 The `boot_command` configuration is very important: it specifies the keys to

website/content/docs/provisioners/file.mdx

@@ -180,11 +180,10 @@ build {
 ## Slowness when transferring large files over WinRM.
 
 Because of the way our WinRM transfers works, it can take a very long time to
-upload and download even moderately sized files. If you're experiencing
-slowness using the file provisioner on Windows, it's suggested that you set up
-an SSH server and use the [ssh
-communicator](/docs/communicators/ssh). If you only
-want to transfer files to your guest, and if your builder supports it, you may
-also use the `http_directory` directive. This will cause that directory to be
-available to the guest over http, and set the environment variable
-`PACKER_HTTP_ADDR` to the address.
+upload and download even moderately sized files. If you're experiencing slowness
+using the file provisioner on Windows, it's suggested that you set up an SSH
+server and use the [ssh communicator](/docs/communicators/ssh). If you only want
+to transfer files to your guest, and if your builder supports it, you may also
+use the `http_directory` or `http_content` directives. This will cause that
+directory to be available to the guest over http, and set the environment
+variable `PACKER_HTTP_ADDR` to the address.

website/content/guides/automatic-operating-system-installs/preseed_ubuntu.mdx

@@ -41,10 +41,10 @@ comment or uncomment the options as you need them.
 
 ## Where to put the preseed file
 
-The `-iso` builders mentioned above all have an `http_dir` option. Any file
-inside of your `http_dir` will be served on a local fileserver for your virtual
-machine to be able to access. One very common use for this directory is to use
-it to provide your preseed file.
+The `-iso` builders mentioned above all have an `http_dir` or an `http_content`
+option. Any file inside of your `http_dir` or `http_content` will be served on a
+local fileserver for your virtual machine to be able to access. One very common
+use for this directory is to use it to provide your preseed file.
 
 You then reference the file using a `boot_command` to kick off the installation.
 In the example below, see how the `preseed/url` command line option is being

website/content/partials/builders/boot-command.mdx

@@ -60,8 +60,8 @@ available variables are:
 
 - `HTTPIP` and `HTTPPort` - The IP and port, respectively of an HTTP server
   that is started serving the directory specified by the `http_directory`
-  configuration parameter. If `http_directory` isn't specified, these will be
-  blank!
+  configuration parameter or the content specified in the `http_content` map. If
+  `http_directory` or `http_content` isn't specified, these will be blank!
 - `Name` - The name of the VM.
 
 For more examples of various boot commands, see the sample projects from our

website/content/partials/packer-plugin-sdk/multistep/commonsteps/HTTPConfig-not-required.mdx

@@ -7,6 +7,15 @@
   started. The address and port of the HTTP server will be available as
   variables in `boot_command`. This is covered in more detail below.
 
+- `http_content` (map[string]string) - Key/Values to serve using an HTTP server. http_content works like and
+  conflicts with http_directory The keys represent the paths and the values
+  contents. This is useful for hosting kickstart files and so on. By
+  default this is empty, which means no HTTP server will be started. The
+  address and port of the HTTP server will be available as variables in
+  `boot_command`. This is covered in more detail below. Example: Setting
+  `"foo/bar"="baz"`, will allow you to http get on
+  `http://{http_ip}:{http_port}/foo/bar`.
+
 - `http_port_min` (int) - These are the minimum and maximum port to use for the HTTP server
   started to serve the `http_directory`. Because Packer often runs in
   parallel, Packer will choose a randomly available port in this range to