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Exporter: generate references that are matching only to a prefix #1890

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Jan 4, 2023
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82 changes: 57 additions & 25 deletions exporter/context.go
Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,7 @@ func (ic *importContext) MatchesName(n string) bool {
return strings.Contains(strings.ToLower(n), strings.ToLower(ic.match))
}

func (ic *importContext) Find(r *resource, pick string) hcl.Traversal {
func (ic *importContext) Find(r *resource, pick string, matchType MatchType) (string, hcl.Traversal) {
for _, sr := range ic.State.Resources {
if sr.Type != r.Resource {
continue
Expand All @@ -313,24 +313,36 @@ func (ic *importContext) Find(r *resource, pick string) hcl.Traversal {
r.Attribute, r.Resource, r.Name, r.ID)
continue
}
if v.(string) == r.Value {
if sr.Mode == "data" {
return hcl.Traversal{
hcl.TraverseRoot{Name: "data"},
hcl.TraverseAttr{Name: sr.Type},
hcl.TraverseAttr{Name: sr.Name},
hcl.TraverseAttr{Name: pick},
}
}
return hcl.Traversal{
hcl.TraverseRoot{Name: sr.Type},
strValue := v.(string)
matched := false
switch matchType {
case MatchExact:
matched = (strValue == r.Value)
case MatchPrefix:
matched = strings.HasPrefix(r.Value, strValue)
default:
log.Printf("[WARN] Unsupported match type: %s", matchType)
}
if !matched {
continue
}
if sr.Mode == "data" {
return strValue, hcl.Traversal{
hcl.TraverseRoot{Name: "data"},
hcl.TraverseAttr{Name: sr.Type},
hcl.TraverseAttr{Name: sr.Name},
hcl.TraverseAttr{Name: pick},
}
}
return strValue, hcl.Traversal{
hcl.TraverseRoot{Name: sr.Type},
hcl.TraverseAttr{Name: sr.Name},
hcl.TraverseAttr{Name: pick},
}

}
}
return nil
return "", nil
}

func (ic *importContext) Has(r *resource) bool {
Expand Down Expand Up @@ -486,6 +498,35 @@ func (ic *importContext) Emit(r *resource) {
ic.Add(r)
}

func (ic *importContext) getTraversalTokens(ref reference, value string) hclwrite.Tokens {
matchType := ref.MatchTypeValue()
attr := ref.MatchAttribute()
attrValue, traversal := ic.Find(&resource{
Resource: ref.Resource,
Attribute: attr,
Value: value,
}, attr, matchType)
// at least one invocation of ic.Find will assign Nil to traversal if resource with value is not found
if traversal == nil {
return nil
}
switch matchType {
case MatchExact:
return hclwrite.TokensForTraversal(traversal)
case MatchPrefix:
rest := value[len(attrValue):]
tokens := hclwrite.Tokens{&hclwrite.Token{Type: hclsyntax.TokenOQuote, Bytes: []byte{'"', '$', '{'}}}
tokens = append(tokens, hclwrite.TokensForTraversal(traversal)...)
tokens = append(tokens, &hclwrite.Token{Type: hclsyntax.TokenCQuote, Bytes: []byte{'}'}})
tokens = append(tokens, &hclwrite.Token{Type: hclsyntax.TokenQuotedLit, Bytes: []byte(rest)})
tokens = append(tokens, &hclwrite.Token{Type: hclsyntax.TokenCQuote, Bytes: []byte{'"'}})
return tokens
default:
log.Printf("[WARN] Unsupported match type: %s", ref.MatchType)
}
return nil
}

// TODO: move to IC
var dependsRe = regexp.MustCompile(`(\.[\d]+)`)

Expand All @@ -506,18 +547,9 @@ func (ic *importContext) reference(i importable, path []string, value string) hc
if d.Variable {
return ic.variable(fmt.Sprintf("%s_%s", path[0], value), "")
}
attr := "id"
if d.Match != "" {
attr = d.Match
}
traversal := ic.Find(&resource{
Resource: d.Resource,
Attribute: attr,
Value: value,
}, attr)
//at least one invocation of ic.Find will assign Nil to traversal if resource with value is not found
if traversal != nil {
return hclwrite.TokensForTraversal(traversal)

if tokens := ic.getTraversalTokens(d, value); tokens != nil {
return tokens
}
}
return hclwrite.TokensForValue(cty.StringVal(value))
Expand Down
5 changes: 3 additions & 2 deletions exporter/context_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ func TestMatchesName(t *testing.T) {
}

func TestImportContextFindSkips(t *testing.T) {
assert.Nil(t, (&importContext{
_, traversal := (&importContext{
State: stateApproximation{
Resources: []resourceApproximation{
{
Expand All @@ -36,7 +36,8 @@ func TestImportContextFindSkips(t *testing.T) {
Resource: "a",
Attribute: "b",
Name: "c",
}, "x"))
}, "x", "")
assert.Nil(t, traversal)
}

func TestImportContextHas(t *testing.T) {
Expand Down
47 changes: 46 additions & 1 deletion exporter/exporter_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -1533,6 +1533,51 @@ func TestImportingDLTPipelines(t *testing.T) {
},
},
},
{
Method: "GET",
Resource: "/api/2.0/permissions/repos/123",
Response: getJSONObject("test-data/get-repo-permissions.json"),
},
{
Method: "GET",
Resource: "/api/2.0/workspace/get-status?path=%2FRepos%2Fuser%40domain.com%2Frepo",
Response: workspace.ObjectStatus{
ObjectID: 123,
ObjectType: "REPO",
Path: "/Repos/user@domain.com/repo",
},
},
{
Method: "GET",
Resource: "/api/2.0/repos/123",
Response: repos.ReposInformation{
ID: 123,
Url: "https://github.com/user/test.git",
Provider: "gitHub",
Path: "/Repos/user@domain.com/repo",
HeadCommitID: "1124323423abc23424",
Branch: "releases",
},
ReuseRequest: true,
},
{
Method: "GET",
Resource: "/api/2.0/preview/scim/v2/Users?filter=userName%20eq%20%27user%40domain.com%27",
Response: scim.UserList{
Resources: []scim.User{
{ID: "123", DisplayName: "user@domain.com", UserName: "user@domain.com"},
},
StartIndex: 1,
TotalResults: 1,
ItemsPerPage: 1,
},
ReuseRequest: true,
},
{
Method: "GET",
Resource: "/api/2.0/preview/scim/v2/Users/123",
Response: scim.User{ID: "123", DisplayName: "user@domain.com", UserName: "user@domain.com"},
},
{
Method: "GET",
Resource: "/api/2.0/pipelines/123",
Expand Down Expand Up @@ -1597,7 +1642,7 @@ func TestImportingDLTPipelines(t *testing.T) {
ic := newImportContext(client)
ic.Directory = tmpDir
ic.listing = "dlt"
ic.services = "dlt,access,notebooks,secrets"
ic.services = "dlt,access,notebooks,users,repos,secrets"

err := ic.Run()
assert.NoError(t, err)
Expand Down
50 changes: 37 additions & 13 deletions exporter/importables.go
Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ var (
nameNormalizationRegex = regexp.MustCompile(`\W+`)
jobClustersRegex = regexp.MustCompile(`^((job_cluster|task)\.[0-9]+\.new_cluster\.[0-9]+\.)`)
dltClusterRegex = regexp.MustCompile(`^(cluster\.[0-9]+\.)`)
uuidRegex = regexp.MustCompile(`^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`)
predefinedClusterPolicies = []string{"Personal Compute", "Job Compute", "Power User Compute", "Shared Compute"}
secretPathRegex = regexp.MustCompile(`^\{\{secrets\/([^\/]+)\/([^}]+)\}\}$`)
)
Expand Down Expand Up @@ -287,6 +288,7 @@ var resourcesMap map[string]importable = map[string]importable{
{Path: "spark_python_task.parameters", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "spark_jar_task.jar_uri", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "notebook_task.notebook_path", Resource: "databricks_notebook"},
{Path: "notebook_task.notebook_path", Resource: "databricks_repo", Match: "path", MatchType: MatchPrefix},
{Path: "pipeline_task.pipeline_id", Resource: "databricks_pipeline"},
{Path: "task.library.jar", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "task.library.whl", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
Expand All @@ -295,6 +297,7 @@ var resourcesMap map[string]importable = map[string]importable{
{Path: "task.spark_python_task.parameters", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "task.spark_jar_task.jar_uri", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "task.notebook_task.notebook_path", Resource: "databricks_notebook"},
{Path: "task.notebook_task.notebook_path", Resource: "databricks_repo", Match: "path", MatchType: MatchPrefix},
{Path: "task.pipeline_task.pipeline_id", Resource: "databricks_pipeline"},
{Path: "task.sql_task.query.query_id", Resource: "databricks_sql_query"},
{Path: "task.sql_task.dashboard.dashboard_id", Resource: "databricks_sql_dashboard"},
Expand Down Expand Up @@ -359,10 +362,7 @@ var resourcesMap map[string]importable = map[string]importable{
}
}
if job.NotebookTask != nil {
ic.Emit(&resource{
Resource: "databricks_notebook",
ID: job.NotebookTask.NotebookPath,
})
ic.emitNotebookOrRepo(job.NotebookTask.NotebookPath)
}
if job.PipelineTask != nil {
ic.Emit(&resource{
Expand All @@ -373,10 +373,7 @@ var resourcesMap map[string]importable = map[string]importable{
// Support for multitask jobs
for _, task := range job.Tasks {
if task.NotebookTask != nil {
ic.Emit(&resource{
Resource: "databricks_notebook",
ID: task.NotebookTask.NotebookPath,
})
ic.emitNotebookOrRepo(task.NotebookTask.NotebookPath)
}
if task.PipelineTask != nil {
ic.Emit(&resource{
Expand Down Expand Up @@ -958,7 +955,21 @@ var resourcesMap map[string]importable = map[string]importable{
if name == "" {
return d.Id()
}
return strings.TrimPrefix(name, "/")
return nameNormalizationRegex.ReplaceAllString(name[7:], "_")
},
Search: func(ic *importContext, r *resource) error {
reposAPI := repos.NewReposAPI(ic.Context, ic.Client)
notebooksAPI := workspace.NewNotebooksAPI(ic.Context, ic.Client)
repoDir, err := notebooksAPI.Read(r.Value)
if err != nil {
return err
}
repo, err := reposAPI.Read(fmt.Sprintf("%d", repoDir.ObjectID))
if err != nil {
return err
}
r.ID = fmt.Sprintf("%d", repo.ID)
return nil
},
List: func(ic *importContext) error {
repoList, err := repos.NewReposAPI(ic.Context, ic.Client).ListAll()
Expand All @@ -977,6 +988,7 @@ var resourcesMap map[string]importable = map[string]importable{
return nil
},
Import: func(ic *importContext, r *resource) error {
ic.emitUserOrServicePrincipalForPath(r.Data.Get("path").(string), "/Repos")
if ic.meAdmin {
ic.Emit(&resource{
Resource: "databricks_permissions",
Expand All @@ -986,6 +998,17 @@ var resourcesMap map[string]importable = map[string]importable{
}
return nil
},
ShouldOmitField: func(ic *importContext, pathString string, as *schema.Schema, d *schema.ResourceData) bool {
if pathString == "path" {
return false
}
return defaultShouldOmitFieldFunc(ic, pathString, as, d)
},

Depends: []reference{
{Path: "path", Resource: "databricks_user", Match: "repos", MatchType: MatchPrefix},
{Path: "path", Resource: "databricks_service_principal", Match: "repos", MatchType: MatchPrefix},
},
},
"databricks_workspace_conf": {
Service: "workspace",
Expand Down Expand Up @@ -1094,6 +1117,7 @@ var resourcesMap map[string]importable = map[string]importable{
return nil
},
Import: func(ic *importContext, r *resource) error {
ic.emitUserOrServicePrincipalForPath(r.ID, "/Users")
notebooksAPI := workspace.NewNotebooksAPI(ic.Context, ic.Client)
contentB64, err := notebooksAPI.Export(r.ID, "SOURCE")
if err != nil {
Expand All @@ -1118,6 +1142,8 @@ var resourcesMap map[string]importable = map[string]importable{
},
Depends: []reference{
{Path: "source", File: true},
{Path: "path", Resource: "databricks_user", Match: "home", MatchType: MatchPrefix},
{Path: "path", Resource: "databricks_service_principal", Match: "home", MatchType: MatchPrefix},
},
},
"databricks_sql_query": {
Expand Down Expand Up @@ -1391,10 +1417,7 @@ var resourcesMap map[string]importable = map[string]importable{
common.DataToStructPointer(r.Data, s, &pipeline)
for _, lib := range pipeline.Libraries {
if lib.Notebook != nil {
ic.Emit(&resource{
Resource: "databricks_notebook",
ID: lib.Notebook.Path,
})
ic.emitNotebookOrRepo(lib.Notebook.Path)
}
ic.emitIfDbfsFile(lib.Jar)
ic.emitIfDbfsFile(lib.Whl)
Expand Down Expand Up @@ -1452,6 +1475,7 @@ var resourcesMap map[string]importable = map[string]importable{
{Path: "cluster.instance_pool_id", Resource: "databricks_instance_pool"},
{Path: "cluster.driver_instance_pool_id", Resource: "databricks_instance_pool"},
{Path: "library.notebook.path", Resource: "databricks_notebook"},
{Path: "library.notebook.path", Resource: "databricks_repo", Match: "path", MatchType: MatchPrefix},
{Path: "library.jar", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
{Path: "library.whl", Resource: "databricks_dbfs_file", Match: "dbfs_path"},
},
Expand Down
34 changes: 29 additions & 5 deletions exporter/model.go
Original file line number Diff line number Diff line change
Expand Up @@ -56,12 +56,36 @@ type importable struct {
ApiVersion common.ApiVersion
}

type MatchType string

const (
// MatchExact is to specify that whole value should match
MatchExact = "exact"
// MatchPrefix is to specify that prefix of value should match
MatchPrefix = "prefix"
)

type reference struct {
Path string
Resource string
Match string
Variable bool
File bool
Path string
Resource string
Match string
MatchType MatchType // type of match, `prefix` - reference is embedded into string, `` (or `exact`) - full match
Variable bool
File bool
}

func (r reference) MatchAttribute() string {
if r.Match != "" {
return r.Match
}
return "id"
}

func (r reference) MatchTypeValue() MatchType {
if r.MatchType == "" {
return MatchExact
}
return r.MatchType
}

type resource struct {
Expand Down
5 changes: 5 additions & 0 deletions exporter/test-data/get-dlt-pipeline.json
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,11 @@
"notebook": {
"path": "/Users/user@domain.com/Test DLT"
}
},
{
"notebook": {
"path": "/Repos/user@domain.com/repo/Test DLT"
}
}
],
"name": "Test DLT",
Expand Down
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