diff --git a/coderd/coderd.go b/coderd/coderd.go
index a3e1c28d3a..0aedb1d0c6 100644
--- a/coderd/coderd.go
+++ b/coderd/coderd.go
@@ -72,6 +72,7 @@ func New(options *Options) http.Handler {
 						r.Route("/{projecthistory}", func(r chi.Router) {
 							r.Use(httpmw.ExtractProjectHistoryParam(api.Database))
 							r.Get("/", api.projectHistoryByOrganizationAndName)
+							r.Get("/parameters", api.projectHistoryParametersByOrganizationAndName)
 						})
 					})
 				})
@@ -96,6 +97,7 @@ func New(options *Options) http.Handler {
 						r.Route("/{workspacehistory}", func(r chi.Router) {
 							r.Use(httpmw.ExtractWorkspaceHistoryParam(options.Database))
 							r.Get("/", api.workspaceHistoryByName)
+							r.Get("/logs", api.workspaceHistoryLogsByName)
 						})
 					})
 				})
diff --git a/coderd/parameters.go b/coderd/parameters.go
index bc0ed4e665..b3aa1d4967 100644
--- a/coderd/parameters.go
+++ b/coderd/parameters.go
@@ -16,11 +16,11 @@ import (
 
 // CreateParameterValueRequest is used to create a new parameter value for a scope.
 type CreateParameterValueRequest struct {
-	Name              string                              `json:"name"`
-	SourceValue       string                              `json:"source_value"`
-	SourceScheme      database.ParameterSourceScheme      `json:"source_scheme"`
-	DestinationScheme database.ParameterDestinationScheme `json:"destination_scheme"`
-	DestinationValue  string                              `json:"destination_value"`
+	Name              string                              `json:"name" validate:"required"`
+	SourceValue       string                              `json:"source_value" validate:"required"`
+	SourceScheme      database.ParameterSourceScheme      `json:"source_scheme" validate:"oneof=data,required"`
+	DestinationScheme database.ParameterDestinationScheme `json:"destination_scheme" validate:"oneof=environment_variable provisioner_variable,required"`
+	DestinationValue  string                              `json:"destination_value" validate:"required"`
 }
 
 // ParameterValue represents a set value for the scope.
diff --git a/coderd/projecthistory.go b/coderd/projecthistory.go
index 55c4cae55e..36d4a38f95 100644
--- a/coderd/projecthistory.go
+++ b/coderd/projecthistory.go
@@ -31,6 +31,27 @@ type ProjectHistory struct {
 	Import        ProvisionerJob                `json:"import"`
 }
 
+// ProjectParameter represents a parameter parsed from project history source on creation.
+type ProjectParameter struct {
+	ID                       uuid.UUID                           `json:"id"`
+	CreatedAt                time.Time                           `json:"created_at"`
+	ProjectHistoryID         uuid.UUID                           `json:"project_history_id"`
+	Name                     string                              `json:"name"`
+	Description              string                              `json:"description,omitempty"`
+	DefaultSourceScheme      database.ParameterSourceScheme      `json:"default_source_scheme,omitempty"`
+	DefaultSourceValue       string                              `json:"default_source_value,omitempty"`
+	AllowOverrideSource      bool                                `json:"allow_override_source"`
+	DefaultDestinationScheme database.ParameterDestinationScheme `json:"default_destination_scheme,omitempty"`
+	DefaultDestinationValue  string                              `json:"default_destination_value,omitempty"`
+	AllowOverrideDestination bool                                `json:"allow_override_destination"`
+	DefaultRefresh           string                              `json:"default_refresh"`
+	RedisplayValue           bool                                `json:"redisplay_value"`
+	ValidationError          string                              `json:"validation_error,omitempty"`
+	ValidationCondition      string                              `json:"validation_condition,omitempty"`
+	ValidationTypeSystem     database.ParameterTypeSystem        `json:"validation_type_system,omitempty"`
+	ValidationValueType      string                              `json:"validation_value_type,omitempty"`
+}
+
 // CreateProjectHistoryRequest enables callers to create a new Project Version.
 type CreateProjectHistoryRequest struct {
 	StorageMethod database.ProjectStorageMethod `json:"storage_method" validate:"oneof=inline-archive,required"`
@@ -160,14 +181,81 @@ func (api *api) postProjectHistoryByOrganization(rw http.ResponseWriter, r *http
 	render.JSON(rw, r, convertProjectHistory(projectHistory, provisionerJob))
 }
 
+func (api *api) projectHistoryParametersByOrganizationAndName(rw http.ResponseWriter, r *http.Request) {
+	projectHistory := httpmw.ProjectHistoryParam(r)
+	job, err := api.Database.GetProvisionerJobByID(r.Context(), projectHistory.ImportJobID)
+	if err != nil {
+		httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+			Message: fmt.Sprintf("get provisioner job: %s", err),
+		})
+		return
+	}
+	apiJob := convertProvisionerJob(job)
+	if !apiJob.Status.Completed() {
+		httpapi.Write(rw, http.StatusPreconditionRequired, httpapi.Response{
+			Message: fmt.Sprintf("import job hasn't completed: %s", apiJob.Status),
+		})
+		return
+	}
+	if apiJob.Status != ProvisionerJobStatusSucceeded {
+		httpapi.Write(rw, http.StatusPreconditionFailed, httpapi.Response{
+			Message: "import job wasn't successful. no parameters were parsed",
+		})
+		return
+	}
+
+	parameters, err := api.Database.GetProjectParametersByHistoryID(r.Context(), projectHistory.ID)
+	if errors.Is(err, sql.ErrNoRows) {
+		err = nil
+		parameters = []database.ProjectParameter{}
+	}
+	if err != nil {
+		httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+			Message: fmt.Sprintf("get project parameters: %s", err),
+		})
+		return
+	}
+
+	apiParameters := make([]ProjectParameter, 0, len(parameters))
+	for _, parameter := range parameters {
+		apiParameters = append(apiParameters, convertProjectParameter(parameter))
+	}
+
+	render.Status(r, http.StatusOK)
+	render.JSON(rw, r, apiParameters)
+}
+
 func convertProjectHistory(history database.ProjectHistory, job database.ProvisionerJob) ProjectHistory {
 	return ProjectHistory{
-		ID:        history.ID,
-		ProjectID: history.ProjectID,
-		CreatedAt: history.CreatedAt,
-		UpdatedAt: history.UpdatedAt,
-		Name:      history.Name,
-		Import:    convertProvisionerJob(job),
+		ID:            history.ID,
+		ProjectID:     history.ProjectID,
+		CreatedAt:     history.CreatedAt,
+		UpdatedAt:     history.UpdatedAt,
+		Name:          history.Name,
+		StorageMethod: history.StorageMethod,
+		Import:        convertProvisionerJob(job),
+	}
+}
+
+func convertProjectParameter(parameter database.ProjectParameter) ProjectParameter {
+	return ProjectParameter{
+		ID:                       parameter.ID,
+		CreatedAt:                parameter.CreatedAt,
+		ProjectHistoryID:         parameter.ProjectHistoryID,
+		Name:                     parameter.Name,
+		Description:              parameter.Description,
+		DefaultSourceScheme:      parameter.DefaultSourceScheme,
+		DefaultSourceValue:       parameter.DefaultSourceValue.String,
+		AllowOverrideSource:      parameter.AllowOverrideSource,
+		DefaultDestinationScheme: parameter.DefaultDestinationScheme,
+		DefaultDestinationValue:  parameter.DefaultDestinationValue.String,
+		AllowOverrideDestination: parameter.AllowOverrideDestination,
+		DefaultRefresh:           parameter.DefaultRefresh,
+		RedisplayValue:           parameter.RedisplayValue,
+		ValidationError:          parameter.ValidationError,
+		ValidationCondition:      parameter.ValidationCondition,
+		ValidationTypeSystem:     parameter.ValidationTypeSystem,
+		ValidationValueType:      parameter.ValidationValueType,
 	}
 }
 
diff --git a/coderd/projects_test.go b/coderd/projects_test.go
index 46dc7b2058..5e96b78aad 100644
--- a/coderd/projects_test.go
+++ b/coderd/projects_test.go
@@ -1,8 +1,11 @@
 package coderd_test
 
 import (
+	"archive/tar"
+	"bytes"
 	"context"
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/require"
 
@@ -124,4 +127,42 @@ func TestProjects(t *testing.T) {
 		})
 		require.NoError(t, err)
 	})
+
+	t.Run("Import", func(t *testing.T) {
+		t.Parallel()
+		server := coderdtest.New(t)
+		user := server.RandomInitialUser(t)
+		_ = server.AddProvisionerd(t)
+		project, err := server.Client.CreateProject(context.Background(), user.Organization, coderd.CreateProjectRequest{
+			Name:        "someproject",
+			Provisioner: database.ProvisionerTypeTerraform,
+		})
+		require.NoError(t, err)
+		var buffer bytes.Buffer
+		writer := tar.NewWriter(&buffer)
+		content := `variable "example" {
+	default = "hi"
+}`
+		err = writer.WriteHeader(&tar.Header{
+			Name: "main.tf",
+			Size: int64(len(content)),
+		})
+		require.NoError(t, err)
+		_, err = writer.Write([]byte(content))
+		require.NoError(t, err)
+		history, err := server.Client.CreateProjectHistory(context.Background(), user.Organization, project.Name, coderd.CreateProjectHistoryRequest{
+			StorageMethod: database.ProjectStorageMethodInlineArchive,
+			StorageSource: buffer.Bytes(),
+		})
+		require.NoError(t, err)
+		require.Eventually(t, func() bool {
+			projectHistory, err := server.Client.ProjectHistory(context.Background(), user.Organization, project.Name, history.Name)
+			require.NoError(t, err)
+			return projectHistory.Import.Status.Completed()
+		}, 15*time.Second, 10*time.Millisecond)
+		params, err := server.Client.ProjectHistoryParameters(context.Background(), user.Organization, project.Name, history.Name)
+		require.NoError(t, err)
+		require.Len(t, params, 1)
+		require.Equal(t, "example", params[0].Name)
+	})
 }
diff --git a/coderd/provisionerdaemons.go b/coderd/provisionerdaemons.go
index 4318dd2cde..ac9cb7f3cb 100644
--- a/coderd/provisionerdaemons.go
+++ b/coderd/provisionerdaemons.go
@@ -451,6 +451,9 @@ func (server *provisionerdServer) CompleteJob(ctx context.Context, completed *pr
 				ValidationValueType:  protoParameter.ValidationValueType,
 				ValidationTypeSystem: validationTypeSystem,
 
+				DefaultSourceScheme:      database.ParameterSourceSchemeNone,
+				DefaultDestinationScheme: database.ParameterDestinationSchemeNone,
+
 				AllowOverrideDestination: protoParameter.AllowOverrideDestination,
 				AllowOverrideSource:      protoParameter.AllowOverrideSource,
 			}
@@ -574,6 +577,8 @@ func (server *provisionerdServer) CompleteJob(ctx context.Context, completed *pr
 
 func convertValidationTypeSystem(typeSystem sdkproto.ParameterSchema_TypeSystem) (database.ParameterTypeSystem, error) {
 	switch typeSystem {
+	case sdkproto.ParameterSchema_None:
+		return database.ParameterTypeSystemNone, nil
 	case sdkproto.ParameterSchema_HCL:
 		return database.ParameterTypeSystemHCL, nil
 	default:
diff --git a/coderd/workspacehistory.go b/coderd/workspacehistory.go
index e5ea22d4b6..59ba0ed9e7 100644
--- a/coderd/workspacehistory.go
+++ b/coderd/workspacehistory.go
@@ -10,6 +10,7 @@ import (
 
 	"github.com/go-chi/render"
 	"github.com/google/uuid"
+	"github.com/moby/moby/pkg/namesgenerator"
 	"golang.org/x/xerrors"
 
 	"github.com/coder/coder/database"
@@ -155,6 +156,7 @@ func (api *api) postWorkspaceHistoryByUser(rw http.ResponseWriter, r *http.Reque
 			WorkspaceID:      workspace.ID,
 			ProjectHistoryID: projectHistory.ID,
 			BeforeID:         priorHistoryID,
+			Name:             namesgenerator.GetRandomName(1),
 			Initiator:        user.ID,
 			Transition:       createBuild.Transition,
 			ProvisionJobID:   provisionerJob.ID,
@@ -253,7 +255,3 @@ func convertWorkspaceHistory(workspaceHistory database.WorkspaceHistory, provisi
 		Provision:        convertProvisionerJob(provisionerJob),
 	})
 }
-
-func workspaceHistoryLogsChannel(workspaceHistoryID uuid.UUID) string {
-	return fmt.Sprintf("workspace-history-logs:%s", workspaceHistoryID)
-}
diff --git a/coderd/workspacehistorylogs.go b/coderd/workspacehistorylogs.go
new file mode 100644
index 0000000000..ecf8e1fda9
--- /dev/null
+++ b/coderd/workspacehistorylogs.go
@@ -0,0 +1,203 @@
+package coderd
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/go-chi/render"
+	"github.com/google/uuid"
+
+	"cdr.dev/slog"
+
+	"github.com/coder/coder/database"
+	"github.com/coder/coder/httpapi"
+	"github.com/coder/coder/httpmw"
+)
+
+// WorkspaceHistoryLog represents a single log from workspace history.
+type WorkspaceHistoryLog struct {
+	ID        uuid.UUID
+	CreatedAt time.Time          `json:"created_at"`
+	Source    database.LogSource `json:"log_source"`
+	Level     database.LogLevel  `json:"log_level"`
+	Output    string             `json:"output"`
+}
+
+// Returns workspace history logs based on query parameters.
+// The intended usage for a client to stream all logs (with JS API):
+// const timestamp = new Date().getTime();
+// 1. GET /logs?before=<timestamp>
+// 2. GET /logs?after=<timestamp>&follow
+// The combination of these responses should provide all current logs
+// to the consumer, and future logs are streamed in the follow request.
+func (api *api) workspaceHistoryLogsByName(rw http.ResponseWriter, r *http.Request) {
+	follow := r.URL.Query().Has("follow")
+	afterRaw := r.URL.Query().Get("after")
+	beforeRaw := r.URL.Query().Get("before")
+	if beforeRaw != "" && follow {
+		httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{
+			Message: "before cannot be used with follow",
+		})
+		return
+	}
+
+	var after time.Time
+	// Only fetch logs created after the time provided.
+	if afterRaw != "" {
+		afterMS, err := strconv.ParseInt(afterRaw, 10, 64)
+		if err != nil {
+			httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{
+				Message: fmt.Sprintf("unable to parse after %q: %s", afterRaw, err),
+			})
+			return
+		}
+		after = time.UnixMilli(afterMS)
+	} else {
+		if follow {
+			after = database.Now()
+		}
+	}
+	var before time.Time
+	// Only fetch logs created before the time provided.
+	if beforeRaw != "" {
+		beforeMS, err := strconv.ParseInt(beforeRaw, 10, 64)
+		if err != nil {
+			httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{
+				Message: fmt.Sprintf("unable to parse before %q: %s", beforeRaw, err),
+			})
+			return
+		}
+		before = time.UnixMilli(beforeMS)
+	} else {
+		before = database.Now()
+	}
+
+	history := httpmw.WorkspaceHistoryParam(r)
+	if !follow {
+		logs, err := api.Database.GetWorkspaceHistoryLogsByIDBetween(r.Context(), database.GetWorkspaceHistoryLogsByIDBetweenParams{
+			WorkspaceHistoryID: history.ID,
+			CreatedAfter:       after,
+			CreatedBefore:      before,
+		})
+		if errors.Is(err, sql.ErrNoRows) {
+			err = nil
+			logs = []database.WorkspaceHistoryLog{}
+		}
+		if err != nil {
+			httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+				Message: fmt.Sprintf("get workspace history: %s", err),
+			})
+			return
+		}
+		render.Status(r, http.StatusOK)
+		render.JSON(rw, r, logs)
+		return
+	}
+
+	bufferedLogs := make(chan database.WorkspaceHistoryLog, 128)
+	closeSubscribe, err := api.Pubsub.Subscribe(workspaceHistoryLogsChannel(history.ID), func(ctx context.Context, message []byte) {
+		var logs []database.WorkspaceHistoryLog
+		err := json.Unmarshal(message, &logs)
+		if err != nil {
+			api.Logger.Warn(r.Context(), fmt.Sprintf("invalid workspace log on channel %q: %s", workspaceHistoryLogsChannel(history.ID), err.Error()))
+			return
+		}
+
+		for _, log := range logs {
+			select {
+			case bufferedLogs <- log:
+			default:
+				// This is a case that shouldn't happen, but totally could.
+				// There's no way to stream data from the database, so we'll
+				// need to maintain some level of internal buffer.
+				//
+				// If this overflows users could miss logs when streaming.
+				// We warn to make sure we know when it happens!
+				api.Logger.Warn(r.Context(), "workspace history log overflowing channel")
+			}
+		}
+	})
+	if err != nil {
+		httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+			Message: fmt.Sprintf("subscribe to workspace history logs: %s", err),
+		})
+		return
+	}
+	defer closeSubscribe()
+
+	workspaceHistoryLogs, err := api.Database.GetWorkspaceHistoryLogsByIDBetween(r.Context(), database.GetWorkspaceHistoryLogsByIDBetweenParams{
+		WorkspaceHistoryID: history.ID,
+		CreatedAfter:       after,
+		CreatedBefore:      before,
+	})
+	if errors.Is(err, sql.ErrNoRows) {
+		err = nil
+		workspaceHistoryLogs = []database.WorkspaceHistoryLog{}
+	}
+	if err != nil {
+		httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+			Message: fmt.Sprint("get workspace history logs: %w", err),
+		})
+		return
+	}
+
+	// "follow" uses the ndjson format to stream data.
+	// See: https://canjs.com/doc/can-ndjson-stream.html
+	rw.Header().Set("Content-Type", "application/stream+json")
+	rw.WriteHeader(http.StatusOK)
+	rw.(http.Flusher).Flush()
+
+	// The Go stdlib JSON encoder appends a newline character after message write.
+	encoder := json.NewEncoder(rw)
+
+	for _, workspaceHistoryLog := range workspaceHistoryLogs {
+		err = encoder.Encode(convertWorkspaceHistoryLog(workspaceHistoryLog))
+		if err != nil {
+			return
+		}
+	}
+
+	ticker := time.NewTicker(250 * time.Millisecond)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-r.Context().Done():
+			return
+		case log := <-bufferedLogs:
+			err = encoder.Encode(convertWorkspaceHistoryLog(log))
+			if err != nil {
+				return
+			}
+			rw.(http.Flusher).Flush()
+		case <-ticker.C:
+			job, err := api.Database.GetProvisionerJobByID(r.Context(), history.ProvisionJobID)
+			if err != nil {
+				api.Logger.Warn(r.Context(), "streaming workspace logs; checking if job completed", slog.Error(err), slog.F("job_id", history.ProvisionJobID))
+				continue
+			}
+			if convertProvisionerJob(job).Status.Completed() {
+				return
+			}
+		}
+	}
+}
+
+func convertWorkspaceHistoryLog(workspaceHistoryLog database.WorkspaceHistoryLog) WorkspaceHistoryLog {
+	return WorkspaceHistoryLog{
+		ID:        workspaceHistoryLog.ID,
+		CreatedAt: workspaceHistoryLog.CreatedAt,
+		Source:    workspaceHistoryLog.Source,
+		Level:     workspaceHistoryLog.Level,
+		Output:    workspaceHistoryLog.Output,
+	}
+}
+
+func workspaceHistoryLogsChannel(workspaceHistoryID uuid.UUID) string {
+	return fmt.Sprintf("workspace-history-logs:%s", workspaceHistoryID)
+}
diff --git a/coderd/workspacehistorylogs_test.go b/coderd/workspacehistorylogs_test.go
new file mode 100644
index 0000000000..bbaa1e6be6
--- /dev/null
+++ b/coderd/workspacehistorylogs_test.go
@@ -0,0 +1,102 @@
+package coderd_test
+
+import (
+	"archive/tar"
+	"bytes"
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/coder/coder/coderd"
+	"github.com/coder/coder/coderd/coderdtest"
+	"github.com/coder/coder/codersdk"
+	"github.com/coder/coder/database"
+)
+
+func TestWorkspaceHistoryLogs(t *testing.T) {
+	t.Parallel()
+
+	setupProjectAndWorkspace := func(t *testing.T, client *codersdk.Client, user coderd.CreateInitialUserRequest) (coderd.Project, coderd.Workspace) {
+		project, err := client.CreateProject(context.Background(), user.Organization, coderd.CreateProjectRequest{
+			Name:        "banana",
+			Provisioner: database.ProvisionerTypeTerraform,
+		})
+		require.NoError(t, err)
+		workspace, err := client.CreateWorkspace(context.Background(), "", coderd.CreateWorkspaceRequest{
+			Name:      "example",
+			ProjectID: project.ID,
+		})
+		require.NoError(t, err)
+		return project, workspace
+	}
+
+	setupProjectHistory := func(t *testing.T, client *codersdk.Client, user coderd.CreateInitialUserRequest, project coderd.Project, files map[string]string) coderd.ProjectHistory {
+		var buffer bytes.Buffer
+		writer := tar.NewWriter(&buffer)
+		for path, content := range files {
+			err := writer.WriteHeader(&tar.Header{
+				Name: path,
+				Size: int64(len(content)),
+			})
+			require.NoError(t, err)
+			_, err = writer.Write([]byte(content))
+			require.NoError(t, err)
+		}
+		err := writer.Flush()
+		require.NoError(t, err)
+
+		projectHistory, err := client.CreateProjectHistory(context.Background(), user.Organization, project.Name, coderd.CreateProjectHistoryRequest{
+			StorageMethod: database.ProjectStorageMethodInlineArchive,
+			StorageSource: buffer.Bytes(),
+		})
+		require.NoError(t, err)
+		require.Eventually(t, func() bool {
+			hist, err := client.ProjectHistory(context.Background(), user.Organization, project.Name, projectHistory.Name)
+			require.NoError(t, err)
+			return hist.Import.Status.Completed()
+		}, 15*time.Second, 50*time.Millisecond)
+		return projectHistory
+	}
+
+	server := coderdtest.New(t)
+	user := server.RandomInitialUser(t)
+	_ = server.AddProvisionerd(t)
+	project, workspace := setupProjectAndWorkspace(t, server.Client, user)
+	projectHistory := setupProjectHistory(t, server.Client, user, project, map[string]string{
+		"main.tf": `resource "null_resource" "test" {}`,
+	})
+
+	workspaceHistory, err := server.Client.CreateWorkspaceHistory(context.Background(), "", workspace.Name, coderd.CreateWorkspaceHistoryRequest{
+		ProjectHistoryID: projectHistory.ID,
+		Transition:       database.WorkspaceTransitionCreate,
+	})
+	require.NoError(t, err)
+
+	now := database.Now()
+	logChan, err := server.Client.FollowWorkspaceHistoryLogsAfter(context.Background(), "", workspace.Name, workspaceHistory.Name, now)
+	require.NoError(t, err)
+
+	for {
+		log, more := <-logChan
+		if !more {
+			break
+		}
+		t.Logf("Output: %s", log.Output)
+	}
+
+	t.Run("ReturnAll", func(t *testing.T) {
+		t.Parallel()
+
+		_, err = server.Client.WorkspaceHistoryLogs(context.Background(), "", workspace.Name, workspaceHistory.Name)
+		require.NoError(t, err)
+	})
+
+	t.Run("Between", func(t *testing.T) {
+		t.Parallel()
+
+		_, err = server.Client.WorkspaceHistoryLogsBetween(context.Background(), "", workspace.Name, workspaceHistory.Name, time.Time{}, database.Now())
+		require.NoError(t, err)
+	})
+}
diff --git a/codersdk/projects.go b/codersdk/projects.go
index 6a1304893b..7b43e5d604 100644
--- a/codersdk/projects.go
+++ b/codersdk/projects.go
@@ -99,6 +99,20 @@ func (c *Client) CreateProjectHistory(ctx context.Context, organization, project
 	return projectVersion, json.NewDecoder(res.Body).Decode(&projectVersion)
 }
 
+// ProjectHistoryParameters returns project parameters for history by name.
+func (c *Client) ProjectHistoryParameters(ctx context.Context, organization, project, history string) ([]coderd.ProjectParameter, error) {
+	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/projects/%s/%s/history/%s/parameters", organization, project, history), nil)
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+	if res.StatusCode != http.StatusOK {
+		return nil, readBodyAsError(res)
+	}
+	var params []coderd.ProjectParameter
+	return params, json.NewDecoder(res.Body).Decode(&params)
+}
+
 // ProjectParameters returns parameters scoped to a project.
 func (c *Client) ProjectParameters(ctx context.Context, organization, project string) ([]coderd.ParameterValue, error) {
 	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/projects/%s/%s/parameters", organization, project), nil)
diff --git a/codersdk/projects_test.go b/codersdk/projects_test.go
index 0b66b12fd1..9ccc211e2d 100644
--- a/codersdk/projects_test.go
+++ b/codersdk/projects_test.go
@@ -163,4 +163,12 @@ func TestProjects(t *testing.T) {
 		require.NoError(t, err)
 		require.Equal(t, "hi", param.Name)
 	})
+
+	t.Run("HistoryParametersError", func(t *testing.T) {
+		t.Parallel()
+		server := coderdtest.New(t)
+		user := server.RandomInitialUser(t)
+		_, err := server.Client.ProjectHistoryParameters(context.Background(), user.Organization, "nothing", "nope")
+		require.Error(t, err)
+	})
 }
diff --git a/codersdk/workspaces.go b/codersdk/workspaces.go
index 122f66cdea..79878bf407 100644
--- a/codersdk/workspaces.go
+++ b/codersdk/workspaces.go
@@ -5,6 +5,9 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"net/url"
+	"strconv"
+	"time"
 
 	"github.com/coder/coder/coderd"
 )
@@ -131,3 +134,74 @@ func (c *Client) CreateWorkspaceHistory(ctx context.Context, owner, workspace st
 	var workspaceHistory coderd.WorkspaceHistory
 	return workspaceHistory, json.NewDecoder(res.Body).Decode(&workspaceHistory)
 }
+
+// WorkspaceHistoryLogs returns all logs for workspace history.
+// To stream logs, use the FollowWorkspaceHistoryLogs function.
+func (c *Client) WorkspaceHistoryLogs(ctx context.Context, owner, workspace, history string) ([]coderd.WorkspaceHistoryLog, error) {
+	return c.WorkspaceHistoryLogsBetween(ctx, owner, workspace, history, time.Time{}, time.Time{})
+}
+
+// WorkspaceHistoryLogsBetween returns logs between a specific time.
+func (c *Client) WorkspaceHistoryLogsBetween(ctx context.Context, owner, workspace, history string, after, before time.Time) ([]coderd.WorkspaceHistoryLog, error) {
+	if owner == "" {
+		owner = "me"
+	}
+	values := url.Values{}
+	if !after.IsZero() {
+		values["after"] = []string{strconv.FormatInt(after.UTC().UnixMilli(), 10)}
+	}
+	if !before.IsZero() {
+		values["before"] = []string{strconv.FormatInt(before.UTC().UnixMilli(), 10)}
+	}
+	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/workspaces/%s/%s/history/%s/logs?%s", owner, workspace, history, values.Encode()), nil)
+	if err != nil {
+		return nil, err
+	}
+	if res.StatusCode != http.StatusOK {
+		defer res.Body.Close()
+		return nil, readBodyAsError(res)
+	}
+
+	var logs []coderd.WorkspaceHistoryLog
+	return logs, json.NewDecoder(res.Body).Decode(&logs)
+}
+
+// FollowWorkspaceHistoryLogsAfter returns a stream of workspace history logs.
+// The channel will close when the workspace history job is no longer active.
+func (c *Client) FollowWorkspaceHistoryLogsAfter(ctx context.Context, owner, workspace, history string, after time.Time) (<-chan coderd.WorkspaceHistoryLog, error) {
+	afterQuery := ""
+	if !after.IsZero() {
+		afterQuery = fmt.Sprintf("&after=%d", after.UTC().UnixMilli())
+	}
+	if owner == "" {
+		owner = "me"
+	}
+
+	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/workspaces/%s/%s/history/%s/logs?follow%s", owner, workspace, history, afterQuery), nil)
+	if err != nil {
+		return nil, err
+	}
+	if res.StatusCode != http.StatusOK {
+		defer res.Body.Close()
+		return nil, readBodyAsError(res)
+	}
+
+	logs := make(chan coderd.WorkspaceHistoryLog)
+	decoder := json.NewDecoder(res.Body)
+	go func() {
+		defer close(logs)
+		var log coderd.WorkspaceHistoryLog
+		for {
+			err = decoder.Decode(&log)
+			if err != nil {
+				return
+			}
+			select {
+			case <-ctx.Done():
+				return
+			case logs <- log:
+			}
+		}
+	}()
+	return logs, nil
+}
diff --git a/database/databasefake/databasefake.go b/database/databasefake/databasefake.go
index cba5e5a3ec..36a8671c64 100644
--- a/database/databasefake/databasefake.go
+++ b/database/databasefake/databasefake.go
@@ -224,7 +224,7 @@ func (q *fakeQuerier) GetWorkspaceHistoryByWorkspaceIDWithoutAfter(_ context.Con
 	return database.WorkspaceHistory{}, sql.ErrNoRows
 }
 
-func (q *fakeQuerier) GetWorkspaceHistoryLogsByIDBefore(_ context.Context, arg database.GetWorkspaceHistoryLogsByIDBeforeParams) ([]database.WorkspaceHistoryLog, error) {
+func (q *fakeQuerier) GetWorkspaceHistoryLogsByIDBetween(_ context.Context, arg database.GetWorkspaceHistoryLogsByIDBetweenParams) ([]database.WorkspaceHistoryLog, error) {
 	q.mutex.Lock()
 	defer q.mutex.Unlock()
 
@@ -233,7 +233,10 @@ func (q *fakeQuerier) GetWorkspaceHistoryLogsByIDBefore(_ context.Context, arg d
 		if workspaceHistoryLog.WorkspaceHistoryID.String() != arg.WorkspaceHistoryID.String() {
 			continue
 		}
-		if workspaceHistoryLog.CreatedAt.After(arg.CreatedAt) {
+		if workspaceHistoryLog.CreatedAt.After(arg.CreatedBefore) {
+			continue
+		}
+		if workspaceHistoryLog.CreatedAt.Before(arg.CreatedAfter) {
 			continue
 		}
 		logs = append(logs, workspaceHistoryLog)
@@ -440,7 +443,7 @@ func (q *fakeQuerier) GetProjectHistoryByProjectIDAndName(_ context.Context, arg
 	return database.ProjectHistory{}, sql.ErrNoRows
 }
 
-func (q *fakeQuerier) GetProjectHistoryLogsByIDBefore(_ context.Context, arg database.GetProjectHistoryLogsByIDBeforeParams) ([]database.ProjectHistoryLog, error) {
+func (q *fakeQuerier) GetProjectHistoryLogsByIDBetween(_ context.Context, arg database.GetProjectHistoryLogsByIDBetweenParams) ([]database.ProjectHistoryLog, error) {
 	q.mutex.Lock()
 	defer q.mutex.Unlock()
 
@@ -449,7 +452,10 @@ func (q *fakeQuerier) GetProjectHistoryLogsByIDBefore(_ context.Context, arg dat
 		if projectHistoryLog.ProjectHistoryID.String() != arg.ProjectHistoryID.String() {
 			continue
 		}
-		if projectHistoryLog.CreatedAt.After(arg.CreatedAt) {
+		if projectHistoryLog.CreatedAt.After(arg.CreatedBefore) {
+			continue
+		}
+		if projectHistoryLog.CreatedAt.Before(arg.CreatedAfter) {
 			continue
 		}
 		logs = append(logs, projectHistoryLog)
diff --git a/database/dump.sql b/database/dump.sql
index bbbc346584..2aa3ae2792 100644
--- a/database/dump.sql
+++ b/database/dump.sql
@@ -20,6 +20,7 @@ CREATE TYPE login_type AS ENUM (
 );
 
 CREATE TYPE parameter_destination_scheme AS ENUM (
+    'none',
     'environment_variable',
     'provisioner_variable'
 );
@@ -32,10 +33,12 @@ CREATE TYPE parameter_scope AS ENUM (
 );
 
 CREATE TYPE parameter_source_scheme AS ENUM (
+    'none',
     'data'
 );
 
 CREATE TYPE parameter_type_system AS ENUM (
+    'none',
     'hcl'
 );
 
diff --git a/database/migrations/000002_projects.up.sql b/database/migrations/000002_projects.up.sql
index 6a021cc988..62b7468558 100644
--- a/database/migrations/000002_projects.up.sql
+++ b/database/migrations/000002_projects.up.sql
@@ -46,13 +46,13 @@ CREATE TABLE project_history (
 );
 
 -- Types of parameters the automator supports.
-CREATE TYPE parameter_type_system AS ENUM ('hcl');
+CREATE TYPE parameter_type_system AS ENUM ('none', 'hcl');
 
 -- Supported schemes for a parameter source.
-CREATE TYPE parameter_source_scheme AS ENUM('data');
+CREATE TYPE parameter_source_scheme AS ENUM('none', 'data');
 
 -- Supported schemes for a parameter destination.
-CREATE TYPE parameter_destination_scheme AS ENUM('environment_variable', 'provisioner_variable');
+CREATE TYPE parameter_destination_scheme AS ENUM('none', 'environment_variable', 'provisioner_variable');
 
 -- Stores project version parameters parsed on import.
 -- No secrets are stored here.
diff --git a/database/models.go b/database/models.go
index 440e11dd71..dd7005a6c1 100644
--- a/database/models.go
+++ b/database/models.go
@@ -75,6 +75,7 @@ func (e *LoginType) Scan(src interface{}) error {
 type ParameterDestinationScheme string
 
 const (
+	ParameterDestinationSchemeNone                ParameterDestinationScheme = "none"
 	ParameterDestinationSchemeEnvironmentVariable ParameterDestinationScheme = "environment_variable"
 	ParameterDestinationSchemeProvisionerVariable ParameterDestinationScheme = "provisioner_variable"
 )
@@ -115,6 +116,7 @@ func (e *ParameterScope) Scan(src interface{}) error {
 type ParameterSourceScheme string
 
 const (
+	ParameterSourceSchemeNone ParameterSourceScheme = "none"
 	ParameterSourceSchemeData ParameterSourceScheme = "data"
 )
 
@@ -133,7 +135,8 @@ func (e *ParameterSourceScheme) Scan(src interface{}) error {
 type ParameterTypeSystem string
 
 const (
-	ParameterTypeSystemHCL ParameterTypeSystem = "hcl"
+	ParameterTypeSystemNone ParameterTypeSystem = "none"
+	ParameterTypeSystemHCL  ParameterTypeSystem = "hcl"
 )
 
 func (e *ParameterTypeSystem) Scan(src interface{}) error {
diff --git a/database/querier.go b/database/querier.go
index 3db5795f9b..49793672fa 100644
--- a/database/querier.go
+++ b/database/querier.go
@@ -21,7 +21,7 @@ type querier interface {
 	GetProjectHistoryByID(ctx context.Context, id uuid.UUID) (ProjectHistory, error)
 	GetProjectHistoryByProjectID(ctx context.Context, projectID uuid.UUID) ([]ProjectHistory, error)
 	GetProjectHistoryByProjectIDAndName(ctx context.Context, arg GetProjectHistoryByProjectIDAndNameParams) (ProjectHistory, error)
-	GetProjectHistoryLogsByIDBefore(ctx context.Context, arg GetProjectHistoryLogsByIDBeforeParams) ([]ProjectHistoryLog, error)
+	GetProjectHistoryLogsByIDBetween(ctx context.Context, arg GetProjectHistoryLogsByIDBetweenParams) ([]ProjectHistoryLog, error)
 	GetProjectParametersByHistoryID(ctx context.Context, projectHistoryID uuid.UUID) ([]ProjectParameter, error)
 	GetProjectsByOrganizationIDs(ctx context.Context, ids []string) ([]Project, error)
 	GetProvisionerDaemonByID(ctx context.Context, id uuid.UUID) (ProvisionerDaemon, error)
@@ -37,7 +37,7 @@ type querier interface {
 	GetWorkspaceHistoryByWorkspaceID(ctx context.Context, workspaceID uuid.UUID) ([]WorkspaceHistory, error)
 	GetWorkspaceHistoryByWorkspaceIDAndName(ctx context.Context, arg GetWorkspaceHistoryByWorkspaceIDAndNameParams) (WorkspaceHistory, error)
 	GetWorkspaceHistoryByWorkspaceIDWithoutAfter(ctx context.Context, workspaceID uuid.UUID) (WorkspaceHistory, error)
-	GetWorkspaceHistoryLogsByIDBefore(ctx context.Context, arg GetWorkspaceHistoryLogsByIDBeforeParams) ([]WorkspaceHistoryLog, error)
+	GetWorkspaceHistoryLogsByIDBetween(ctx context.Context, arg GetWorkspaceHistoryLogsByIDBetweenParams) ([]WorkspaceHistoryLog, error)
 	GetWorkspaceResourcesByHistoryID(ctx context.Context, workspaceHistoryID uuid.UUID) ([]WorkspaceResource, error)
 	GetWorkspacesByProjectAndUserID(ctx context.Context, arg GetWorkspacesByProjectAndUserIDParams) ([]Workspace, error)
 	GetWorkspacesByUserID(ctx context.Context, ownerID string) ([]Workspace, error)
diff --git a/database/query.sql b/database/query.sql
index c2a8fcb579..93943326f7 100644
--- a/database/query.sql
+++ b/database/query.sql
@@ -188,14 +188,17 @@ FROM
 WHERE
   id = $1;
 
--- name: GetProjectHistoryLogsByIDBefore :many
+-- name: GetProjectHistoryLogsByIDBetween :many
 SELECT
   *
 FROM
   project_history_log
 WHERE
-  project_history_id = $1
-  AND created_at <= $2
+  project_history_id = @project_history_id
+  AND (
+    created_at >= @created_after
+    OR created_at <= @created_before
+  )
 ORDER BY
   created_at;
 
@@ -295,14 +298,17 @@ WHERE
 LIMIT
   1;
 
--- name: GetWorkspaceHistoryLogsByIDBefore :many
+-- name: GetWorkspaceHistoryLogsByIDBetween :many
 SELECT
   *
 FROM
   workspace_history_log
 WHERE
-  workspace_history_id = $1
-  AND created_at <= $2
+  workspace_history_id = @workspace_history_id
+  AND (
+    created_at >= @created_after
+    OR created_at <= @created_before
+  )
 ORDER BY
   created_at;
 
diff --git a/database/query.sql.go b/database/query.sql.go
index 366e156132..0da3e8cfba 100644
--- a/database/query.sql.go
+++ b/database/query.sql.go
@@ -450,25 +450,29 @@ func (q *sqlQuerier) GetProjectHistoryByProjectIDAndName(ctx context.Context, ar
 	return i, err
 }
 
-const getProjectHistoryLogsByIDBefore = `-- name: GetProjectHistoryLogsByIDBefore :many
+const getProjectHistoryLogsByIDBetween = `-- name: GetProjectHistoryLogsByIDBetween :many
 SELECT
   id, project_history_id, created_at, source, level, output
 FROM
   project_history_log
 WHERE
   project_history_id = $1
-  AND created_at <= $2
+  AND (
+    created_at >= $2
+    OR created_at <= $3
+  )
 ORDER BY
   created_at
 `
 
-type GetProjectHistoryLogsByIDBeforeParams struct {
+type GetProjectHistoryLogsByIDBetweenParams struct {
 	ProjectHistoryID uuid.UUID `db:"project_history_id" json:"project_history_id"`
-	CreatedAt        time.Time `db:"created_at" json:"created_at"`
+	CreatedAfter     time.Time `db:"created_after" json:"created_after"`
+	CreatedBefore    time.Time `db:"created_before" json:"created_before"`
 }
 
-func (q *sqlQuerier) GetProjectHistoryLogsByIDBefore(ctx context.Context, arg GetProjectHistoryLogsByIDBeforeParams) ([]ProjectHistoryLog, error) {
-	rows, err := q.db.QueryContext(ctx, getProjectHistoryLogsByIDBefore, arg.ProjectHistoryID, arg.CreatedAt)
+func (q *sqlQuerier) GetProjectHistoryLogsByIDBetween(ctx context.Context, arg GetProjectHistoryLogsByIDBetweenParams) ([]ProjectHistoryLog, error) {
+	rows, err := q.db.QueryContext(ctx, getProjectHistoryLogsByIDBetween, arg.ProjectHistoryID, arg.CreatedAfter, arg.CreatedBefore)
 	if err != nil {
 		return nil, err
 	}
@@ -1007,25 +1011,29 @@ func (q *sqlQuerier) GetWorkspaceHistoryByWorkspaceIDWithoutAfter(ctx context.Co
 	return i, err
 }
 
-const getWorkspaceHistoryLogsByIDBefore = `-- name: GetWorkspaceHistoryLogsByIDBefore :many
+const getWorkspaceHistoryLogsByIDBetween = `-- name: GetWorkspaceHistoryLogsByIDBetween :many
 SELECT
   id, workspace_history_id, created_at, source, level, output
 FROM
   workspace_history_log
 WHERE
   workspace_history_id = $1
-  AND created_at <= $2
+  AND (
+    created_at >= $2
+    OR created_at <= $3
+  )
 ORDER BY
   created_at
 `
 
-type GetWorkspaceHistoryLogsByIDBeforeParams struct {
+type GetWorkspaceHistoryLogsByIDBetweenParams struct {
 	WorkspaceHistoryID uuid.UUID `db:"workspace_history_id" json:"workspace_history_id"`
-	CreatedAt          time.Time `db:"created_at" json:"created_at"`
+	CreatedAfter       time.Time `db:"created_after" json:"created_after"`
+	CreatedBefore      time.Time `db:"created_before" json:"created_before"`
 }
 
-func (q *sqlQuerier) GetWorkspaceHistoryLogsByIDBefore(ctx context.Context, arg GetWorkspaceHistoryLogsByIDBeforeParams) ([]WorkspaceHistoryLog, error) {
-	rows, err := q.db.QueryContext(ctx, getWorkspaceHistoryLogsByIDBefore, arg.WorkspaceHistoryID, arg.CreatedAt)
+func (q *sqlQuerier) GetWorkspaceHistoryLogsByIDBetween(ctx context.Context, arg GetWorkspaceHistoryLogsByIDBetweenParams) ([]WorkspaceHistoryLog, error) {
+	rows, err := q.db.QueryContext(ctx, getWorkspaceHistoryLogsByIDBetween, arg.WorkspaceHistoryID, arg.CreatedAfter, arg.CreatedBefore)
 	if err != nil {
 		return nil, err
 	}
diff --git a/provisioner/terraform/parse_test.go b/provisioner/terraform/parse_test.go
index 68f43acf23..f1221de20e 100644
--- a/provisioner/terraform/parse_test.go
+++ b/provisioner/terraform/parse_test.go
@@ -95,8 +95,9 @@ func TestParse(t *testing.T) {
 			Type: &proto.Parse_Response_Complete{
 				Complete: &proto.Parse_Complete{
 					ParameterSchemas: []*proto.ParameterSchema{{
-						Name:                "A",
-						ValidationCondition: `var.A == "value"`,
+						Name:                 "A",
+						ValidationCondition:  `var.A == "value"`,
+						ValidationTypeSystem: proto.ParameterSchema_HCL,
 					},
 					},
 				},
diff --git a/provisionerd/provisionerd.go b/provisionerd/provisionerd.go
index 4cc5f5a2c4..f751847b6a 100644
--- a/provisionerd/provisionerd.go
+++ b/provisionerd/provisionerd.go
@@ -94,6 +94,9 @@ func (p *provisionerDaemon) connect(ctx context.Context) {
 			if errors.Is(err, context.Canceled) {
 				return
 			}
+			if p.isClosed() {
+				return
+			}
 			p.opts.Logger.Warn(context.Background(), "failed to dial", slog.Error(err))
 			continue
 		}
@@ -102,6 +105,9 @@ func (p *provisionerDaemon) connect(ctx context.Context) {
 			if errors.Is(err, context.Canceled) {
 				return
 			}
+			if p.isClosed() {
+				return
+			}
 			p.opts.Logger.Warn(context.Background(), "create update job stream", slog.Error(err))
 			continue
 		}
diff --git a/provisionersdk/proto/provisioner.pb.go b/provisionersdk/proto/provisioner.pb.go
index e3b16c832a..b0868ff17a 100644
--- a/provisionersdk/proto/provisioner.pb.go
+++ b/provisionersdk/proto/provisioner.pb.go
@@ -168,16 +168,19 @@ func (ParameterDestination_Scheme) EnumDescriptor() ([]byte, []int) {
 type ParameterSchema_TypeSystem int32
 
 const (
-	ParameterSchema_HCL ParameterSchema_TypeSystem = 0
+	ParameterSchema_None ParameterSchema_TypeSystem = 0
+	ParameterSchema_HCL  ParameterSchema_TypeSystem = 1
 )
 
 // Enum value maps for ParameterSchema_TypeSystem.
 var (
 	ParameterSchema_TypeSystem_name = map[int32]string{
-		0: "HCL",
+		0: "None",
+		1: "HCL",
 	}
 	ParameterSchema_TypeSystem_value = map[string]int32{
-		"HCL": 0,
+		"None": 0,
+		"HCL":  1,
 	}
 )
 
@@ -488,7 +491,7 @@ func (x *ParameterSchema) GetValidationTypeSystem() ParameterSchema_TypeSystem {
 	if x != nil {
 		return x.ValidationTypeSystem
 	}
-	return ParameterSchema_HCL
+	return ParameterSchema_None
 }
 
 func (x *ParameterSchema) GetValidationValueType() string {
@@ -1108,7 +1111,7 @@ var file_provisionersdk_proto_provisioner_proto_rawDesc = []byte{
 	0x74, 0x69, 0x6f, 0x6e, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61,
 	0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x14,
 	0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76,
-	0x61, 0x6c, 0x75, 0x65, 0x22, 0x83, 0x05, 0x0a, 0x0f, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x65, 0x74,
+	0x61, 0x6c, 0x75, 0x65, 0x22, 0x8d, 0x05, 0x0a, 0x0f, 0x50, 0x61, 0x72, 0x61, 0x6d, 0x65, 0x74,
 	0x65, 0x72, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x20, 0x0a, 0x0b,
 	0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28,
@@ -1147,72 +1150,73 @@ var file_provisionersdk_proto_provisioner_proto_rawDesc = []byte{
 	0x12, 0x31, 0x0a, 0x14, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x63,
 	0x6f, 0x6e, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x13,
 	0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x43, 0x6f, 0x6e, 0x64, 0x69, 0x74,
-	0x69, 0x6f, 0x6e, 0x22, 0x15, 0x0a, 0x0a, 0x54, 0x79, 0x70, 0x65, 0x53, 0x79, 0x73, 0x74, 0x65,
-	0x6d, 0x12, 0x07, 0x0a, 0x03, 0x48, 0x43, 0x4c, 0x10, 0x00, 0x22, 0x4a, 0x0a, 0x03, 0x4c, 0x6f,
-	0x67, 0x12, 0x2b, 0x0a, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e,
-	0x32, 0x15, 0x2e, 0x70, 0x72, 0x6f, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x65, 0x72, 0x2e, 0x4c,
-	0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x16,
-	0x0a, 0x06, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06,
-	0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x22, 0xfc, 0x01, 0x0a, 0x05, 0x50, 0x61, 0x72, 0x73, 0x65,
-	0x1a, 0x27, 0x0a, 0x07, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1c, 0x0a, 0x09, 0x64,
-	0x69, 0x72, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09,
-	0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x79, 0x1a, 0x55, 0x0a, 0x08, 0x43, 0x6f, 0x6d,
-	0x70, 0x6c, 0x65, 0x74, 0x65, 0x12, 0x49, 0x0a, 0x11, 0x70, 0x61, 0x72, 0x61, 0x6d, 0x65, 0x74,
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 }
 
 var (
diff --git a/provisionersdk/proto/provisioner.proto b/provisionersdk/proto/provisioner.proto
index 9150c7d9df..78855c5d6e 100644
--- a/provisionersdk/proto/provisioner.proto
+++ b/provisionersdk/proto/provisioner.proto
@@ -41,7 +41,8 @@ message ParameterSchema {
     bool redisplay_value = 7;
 
     enum TypeSystem {
-        HCL = 0;
+        None = 0;
+        HCL = 1;
     }
     TypeSystem validation_type_system = 8;
     string validation_value_type = 9;