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Merge pull request #282 from k1LoW/separate-datasource-go
Separate datasource/datasource.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package datasource | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/aws/aws-sdk-go/aws" | ||
| "github.com/aws/aws-sdk-go/aws/session" | ||
| "github.com/aws/aws-sdk-go/service/dynamodb" | ||
| "github.com/k1LoW/tbls/drivers/dynamo" | ||
| "github.com/k1LoW/tbls/schema" | ||
| ) | ||
|
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| // AnalizeDynamodb analyze `dynamodb://` | ||
| func AnalyzeDynamodb(urlstr string) (*schema.Schema, error) { | ||
| s := &schema.Schema{} | ||
| u, err := url.Parse(urlstr) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
|
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| values := u.Query() | ||
| err = setEnvAWSCredentials(values) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
|
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| region := u.Host | ||
|
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| sess := session.Must(session.NewSessionWithOptions(session.Options{ | ||
| SharedConfigState: session.SharedConfigEnable, | ||
| })) | ||
|
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| config := aws.NewConfig().WithRegion(region) | ||
| if os.Getenv("AWS_ENDPOINT_URL") != "" { | ||
| config = config.WithEndpoint(os.Getenv("AWS_ENDPOINT_URL")) | ||
| } | ||
|
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| client := dynamodb.New(sess, config) | ||
| ctx := context.Background() | ||
|
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| driver, err := dynamo.New(ctx, client) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
|
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| s.Name = fmt.Sprintf("Amazon DynamoDB (%s)", region) | ||
| err = driver.Analyze(s) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| return s, nil | ||
| } | ||
|
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| func setEnvAWSCredentials(values url.Values) error { | ||
| for k := range values { | ||
| if strings.HasPrefix(k, "aws_") { | ||
| return os.Setenv(strings.ToUpper(k), values.Get(k)) | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package datasource | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "cloud.google.com/go/bigquery" | ||
| cloudspanner "cloud.google.com/go/spanner" | ||
| "github.com/k1LoW/tbls/drivers/bq" | ||
| "github.com/k1LoW/tbls/drivers/spanner" | ||
| "github.com/k1LoW/tbls/schema" | ||
| ) | ||
|
|
||
| // AnalyzeBigquery analyze `bq://` | ||
| func AnalyzeBigquery(urlstr string) (*schema.Schema, error) { | ||
| s := &schema.Schema{} | ||
| ctx := context.Background() | ||
| client, projectID, datasetID, err := NewBigqueryClient(ctx, urlstr) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| defer client.Close() | ||
|
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| s.Name = fmt.Sprintf("%s:%s", projectID, datasetID) | ||
| driver, err := bq.New(ctx, client, datasetID) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| err = driver.Analyze(s) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| return s, nil | ||
| } | ||
|
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| // NewBigqueryClient returns new bigquery.Client | ||
| func NewBigqueryClient(ctx context.Context, urlstr string) (*bigquery.Client, string, string, error) { | ||
| u, err := url.Parse(urlstr) | ||
| if err != nil { | ||
| return nil, "", "", err | ||
| } | ||
| values := u.Query() | ||
| err = setEnvGoogleApplicationCredentials(values) | ||
| if err != nil { | ||
| return nil, "", "", err | ||
| } | ||
|
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| splitted := strings.Split(u.Path, "/") | ||
|
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| projectID := u.Host | ||
| datasetID := splitted[1] | ||
|
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| client, err := bigquery.NewClient(ctx, projectID) | ||
| return client, projectID, datasetID, err | ||
| } | ||
|
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| // AnalyzeSpanner analyze `spanner://` | ||
| func AnalyzeSpanner(urlstr string) (*schema.Schema, error) { | ||
| s := &schema.Schema{} | ||
| u, err := url.Parse(urlstr) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
|
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| values := u.Query() | ||
| err = setEnvGoogleApplicationCredentials(values) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
|
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| splitted := strings.Split(u.Path, "/") | ||
| projectID := u.Host | ||
| instanceID := splitted[1] | ||
| databaseID := splitted[2] | ||
|
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| db := fmt.Sprintf("projects/%s/instances/%s/databases/%s", projectID, instanceID, databaseID) | ||
| ctx := context.Background() | ||
| client, err := cloudspanner.NewClient(ctx, db) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| defer client.Close() | ||
| s.Name = db | ||
|
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| driver, err := spanner.New(ctx, client) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| err = driver.Analyze(s) | ||
| if err != nil { | ||
| return s, err | ||
| } | ||
| return s, nil | ||
| } | ||
|
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| func setEnvGoogleApplicationCredentials(values url.Values) error { | ||
| keys := []string{ | ||
| "google_application_credentials", | ||
| "credentials", | ||
| "creds", | ||
| } | ||
| for _, k := range keys { | ||
| if values.Get(k) != "" { | ||
| return os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", values.Get(k)) | ||
| } | ||
| } | ||
| return nil | ||
| } |