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[exporter/doris] Second PR of New component: Doris Exporter (#34980)
**Description:** Second PR of New component: Doris Exporter. Implementation of traces. **Link to tracking Issue:** #33479 **Testing:** **Documentation:**
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| # Use this changelog template to create an entry for release notes. | ||
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| # One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' | ||
| change_type: new_component | ||
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| # The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver) | ||
| component: dorisexporter | ||
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| # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). | ||
| note: traces implementation | ||
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| # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists. | ||
| issues: [33479] | ||
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| # (Optional) One or more lines of additional information to render under the primary note. | ||
| # These lines will be padded with 2 spaces and then inserted directly into the document. | ||
| # Use pipe (|) for multiline entries. | ||
| subtext: | ||
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| # If your change doesn't affect end users or the exported elements of any package, | ||
| # you should instead start your pull request title with [chore] or use the "Skip Changelog" label. | ||
| # Optional: The change log or logs in which this entry should be included. | ||
| # e.g. '[user]' or '[user, api]' | ||
| # Include 'user' if the change is relevant to end users. | ||
| # Include 'api' if there is a change to a library API. | ||
| # Default: '[user]' | ||
| change_logs: [user] |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,117 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package dorisexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/dorisexporter" | ||
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "database/sql" | ||
| "fmt" | ||
| "net/http" | ||
| "time" | ||
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| _ "github.com/go-sql-driver/mysql" // for register database driver | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.uber.org/zap" | ||
| ) | ||
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| const timeFormat = "2006-01-02 15:04:05.999999" | ||
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| type commonExporter struct { | ||
| component.TelemetrySettings | ||
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| client *http.Client | ||
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| logger *zap.Logger | ||
| cfg *Config | ||
| timeZone *time.Location | ||
| } | ||
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| func newExporter(logger *zap.Logger, cfg *Config, set component.TelemetrySettings) *commonExporter { | ||
| // There won't be an error because it's already been validated in the Config.Validate method. | ||
| timeZone, _ := cfg.timeZone() | ||
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| return &commonExporter{ | ||
| TelemetrySettings: set, | ||
| logger: logger, | ||
| cfg: cfg, | ||
| timeZone: timeZone, | ||
| } | ||
| } | ||
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| func (e *commonExporter) formatTime(t time.Time) string { | ||
| return t.In(e.timeZone).Format(timeFormat) | ||
| } | ||
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| type streamLoadResponse struct { | ||
| TxnID int64 | ||
| Label string | ||
| Status string | ||
| ExistingJobStatus string | ||
| Message string | ||
| NumberTotalRows int64 | ||
| NumberLoadedRows int64 | ||
| NumberFilteredRows int64 | ||
| NumberUnselectedRows int64 | ||
| LoadBytes int64 | ||
| LoadTimeMs int64 | ||
| BeginTxnTimeMs int64 | ||
| StreamLoadPutTimeMs int64 | ||
| ReadDataTimeMs int64 | ||
| WriteDataTimeMs int64 | ||
| CommitAndPublishTimeMs int64 | ||
| ErrorURL string | ||
| } | ||
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| func (r *streamLoadResponse) success() bool { | ||
| return r.Status == "Success" || r.Status == "Publish Timeout" | ||
| } | ||
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| func streamLoadURL(address string, db string, table string) string { | ||
| return address + "/api/" + db + "/" + table + "/_stream_load" | ||
| } | ||
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| func streamLoadRequest(ctx context.Context, cfg *Config, table string, data []byte) (*http.Request, error) { | ||
| url := streamLoadURL(cfg.Endpoint, cfg.Database, table) | ||
| req, err := http.NewRequestWithContext(ctx, http.MethodPut, url, bytes.NewBuffer(data)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| req.Header.Set("format", "json") | ||
| req.Header.Set("Expect", "100-continue") | ||
| req.Header.Set("strip_outer_array", "true") | ||
| req.SetBasicAuth(cfg.Username, string(cfg.Password)) | ||
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| return req, nil | ||
| } | ||
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| func createDorisHTTPClient(ctx context.Context, cfg *Config, host component.Host, settings component.TelemetrySettings) (*http.Client, error) { | ||
| client, err := cfg.ClientConfig.ToClient(ctx, host, settings) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| client.CheckRedirect = func(req *http.Request, _ []*http.Request) error { | ||
| req.SetBasicAuth(cfg.Username, string(cfg.Password)) | ||
| return nil | ||
| } | ||
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| return client, nil | ||
| } | ||
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| func createDorisMySQLClient(cfg *Config) (*sql.DB, error) { | ||
| dsn := fmt.Sprintf("%s:%s@tcp(%s)/mysql", cfg.Username, string(cfg.Password), cfg.MySQLEndpoint) | ||
| conn, err := sql.Open("mysql", dsn) | ||
| return conn, err | ||
| } | ||
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| func createAndUseDatabase(ctx context.Context, conn *sql.DB, cfg *Config) error { | ||
| _, err := conn.ExecContext(ctx, "CREATE DATABASE IF NOT EXISTS "+cfg.Database) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| _, err = conn.ExecContext(ctx, "USE "+cfg.Database) | ||
| return err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package dorisexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/dorisexporter" | ||
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| import ( | ||
| "testing" | ||
| "time" | ||
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| "github.com/stretchr/testify/require" | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/config/configtelemetry" | ||
| "go.opentelemetry.io/otel/metric" | ||
| ) | ||
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| var testTelemetrySettings = component.TelemetrySettings{ | ||
| LeveledMeterProvider: func(_ configtelemetry.Level) metric.MeterProvider { | ||
| return nil | ||
| }, | ||
| } | ||
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| func TestNewCommonExporter(t *testing.T) { | ||
| cfg := createDefaultConfig().(*Config) | ||
| exporter := newExporter(nil, cfg, testTelemetrySettings) | ||
| require.NotNil(t, exporter) | ||
| } | ||
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| func TestCommonExporter_FormatTime(t *testing.T) { | ||
| cfg := createDefaultConfig().(*Config) | ||
| exporter := newExporter(nil, cfg, testTelemetrySettings) | ||
| require.NotNil(t, exporter) | ||
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| now := time.Date(2024, 1, 1, 0, 0, 0, 1000, time.Local) | ||
| require.Equal(t, "2024-01-01 00:00:00.000001", exporter.formatTime(now)) | ||
| } | ||
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| func TestStreamLoadResponse_Success(t *testing.T) { | ||
| resp := &streamLoadResponse{ | ||
| Status: "Success", | ||
| } | ||
| require.True(t, resp.success()) | ||
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| resp.Status = "Publish Timeout" | ||
| require.True(t, resp.success()) | ||
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| resp.Status = "Fail" | ||
| require.False(t, resp.success()) | ||
| } | ||
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| func TestStreamLoadUrl(t *testing.T) { | ||
| url := streamLoadURL("http://doris:8030", "otel", "otel_logs") | ||
| require.Equal(t, "http://doris:8030/api/otel/otel_logs/_stream_load", url) | ||
| } |
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