feat: add test coverage for hot tier

integrity_test.go

@@ -84,6 +84,25 @@ func (flog *ParquetFlog) Deref() Flog {
 // - Download parquet files from the store created by Parseable for the minute
 // - Compare the sent logs with the ones loaded from the downloaded parquet
 func TestIntegrity(t *testing.T) {
+
+	flogs := createAndIngest(t)
+	parquetFiles := downloadParquetFiles(NewGlob.Stream, NewGlob.MinIoConfig)
+	actualFlogs := loadFlogsFromParquetFiles(parquetFiles)
+
+	rowCount := len(actualFlogs)
+
+	for i, expectedFlog := range flogs {
+		// The rows in parquet written by Parseable will be latest first, so we
+		// compare the first of ours with the last of what we got from Parseable's
+		// store.
+		actualFlog := actualFlogs[rowCount-i-1].Deref()
+		require.Equal(t, actualFlog, expectedFlog)
+	}
+
+	DeleteStream(t, NewGlob.QueryClient, NewGlob.Stream)
+}
+
+func createAndIngest(t *testing.T) []Flog {
 	CreateStream(t, NewGlob.QueryClient, NewGlob.Stream)
 	iterations := 2
 	flogsPerIteration := 100
@@ -127,20 +146,7 @@ func TestIntegrity(t *testing.T) {
 		// XXX: We don't need to sleep for the entire minute, just until the next minute boundary.
 	}
 
-	parquetFiles := downloadParquetFiles(NewGlob.Stream, NewGlob.MinIoConfig)
-	actualFlogs := loadFlogsFromParquetFiles(parquetFiles)
-
-	rowCount := len(actualFlogs)
-
-	for i, expectedFlog := range flogs {
-		// The rows in parquet written by Parseable will be latest first, so we
-		// compare the first of ours with the last of what we got from Parseable's
-		// store.
-		actualFlog := actualFlogs[rowCount-i-1].Deref()
-		require.Equal(t, actualFlog, expectedFlog)
-	}
-
-	DeleteStream(t, NewGlob.QueryClient, NewGlob.Stream)
+	return flogs
 }
 
 func ingestFlogs(flogs []Flog, stream string) error {

quest_test.go

@@ -402,6 +402,73 @@ func TestSmokeGetRetention(t *testing.T) {
 	DeleteStream(t, NewGlob.QueryClient, NewGlob.Stream)
 }
 
+func TestActivateHotTier(t *testing.T) {
+	activateHotTier(t)
+}
+
+func TestHotTierGetsLogs(t *testing.T) {
+	// create stream, put hot tier, ingest data for a duration, wait for 2-3 mins to see if all data is available in hot tier
+	if NewGlob.IngestorUrl.String() == "" {
+		t.Skip("Skipping in standalone mode")
+	}
+}
+
+// create stream, ingest data for a duration, set hot tier, wait for 2-3 mins to see if all data is available in hot tier
+func TestHotTierGetsLogsAfter(t *testing.T) {
+	if NewGlob.IngestorUrl.String() == "" {
+		t.Skip("Skipping in standalone mode")
+	}
+
+	logs := createAndIngest(t)
+
+	activateHotTier(t)
+	time.Sleep(60 * 2 * time.Second) // wait for 2 minutes to allow hot tier to sync
+
+	// fetch the logs from hot tier
+	req, _ := NewGlob.QueryClient.NewRequest("GET", "logstream/"+NewGlob.Stream+"/hottier", nil)
+	response, err := NewGlob.QueryClient.Do(req)
+	require.NoErrorf(t, err, "Fetching hot tier stream failed: %s", err)
+
+	// ascertain that they are in expected schema. prolly will be, just to be sure
+	body, err := readJsonBody[StreamHotTier](response.Body)
+	require.NoErrorf(t, err, "Hot tier response not in correct schema: %s", err)
+
+	// get total byte count of ingested logs
+	size := 0
+	for _, expectedlog := range logs {
+		size = size + int(expectedlog.ByteCount)
+	}
+
+	// ascertain that the ingested all the ingested logs are present in hot tier
+	require.Equalf(t, size, "%d", *body.UsedSize, "Total size of ingested logs is %d GiB but hot tier contains %d GiB", size, body.UsedSize)
+
+	disableHotTier(t)
+	DeleteStream(t, NewGlob.QueryClient, NewGlob.Stream)
+}
+
+// create stream, ingest data, query get count, set hot tier, wait for 2-3 mins, query again get count, both counts should match
+func TestHotTierLogCount(t *testing.T) {
+	if NewGlob.IngestorUrl.String() == "" {
+		t.Skip("Skipping in standalone mode")
+	}
+
+	createAndIngest(t)
+	countBefore := QueryLogStreamCount(t, NewGlob.QueryClient, NewGlob.Stream, 50)
+
+	activateHotTier(t)
+	time.Sleep(60 * 2 * time.Second) // wait for 2 minutes to allow hot tier to sync
+
+	countAfter := QueryLogStreamCount(t, NewGlob.QueryClient, NewGlob.Stream, 50)
+	require.Equalf(t, countBefore, countAfter, "Ingested %s, but hot tier contains only %s", countBefore, countAfter)
+}
+
+func TestOldestHotTierEntry(t *testing.T) {
+	// create stream, ingest data for a duration, call GET /logstream/{logstream}/info - to get the first_event_at field then set hot tier, wait for 2-3 mins, call GET /hottier - to get oldest entry in hot tier then match both
+	if NewGlob.IngestorUrl.String() == "" {
+		t.Skip("Skipping in standalone mode")
+	}
+}
+
 // This test calls all the User API endpoints
 // in a sequence to check if they work as expected.
 func TestSmoke_AllUsersAPI(t *testing.T) {

test_utils.go

@@ -21,6 +21,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"math"
 	"os/exec"
 	"strings"
 	"testing"
@@ -33,6 +34,13 @@ const (
 	sleepDuration = 2 * time.Second
 )
 
+type StreamHotTier struct {
+	Size                string  `json:"size"`
+	UsedSize            *string `json:"used_size,omitempty"`
+	AvailableSize       *string `json:"available_size,omitempty"`
+	OldestDateTimeEntry *string `json:"oldest_date_time_entry,omitempty"`
+}
+
 func flogStreamFields() []string {
 	return []string{
 		"p_timestamp",
@@ -245,7 +253,7 @@ func IngestOneEventForStaticSchemaStream_SameFieldsInLog(t *testing.T, client HT
 	require.Equalf(t, 200, response.StatusCode, "Server returned http code: %s resp %s", response.Status, readAsString(response.Body))
 }
 
-func QueryLogStreamCount(t *testing.T, client HTTPClient, stream string, count uint64) {
+func QueryLogStreamCount(t *testing.T, client HTTPClient, stream string, count uint64) string {
 	// Query last 30 minutes of data only
 	endTime := time.Now().Add(time.Second).Format(time.RFC3339Nano)
 	startTime := time.Now().Add(-30 * time.Minute).Format(time.RFC3339Nano)
@@ -263,6 +271,7 @@ func QueryLogStreamCount(t *testing.T, client HTTPClient, stream string, count u
 	require.Equalf(t, 200, response.StatusCode, "Server returned http code: %s and response: %s", response.Status, body)
 	expected := fmt.Sprintf(`[{"count":%d}]`, count)
 	require.Equalf(t, expected, body, "Query count incorrect; Expected %s, Actual %s", expected, body)
+	return body
 }
 
 func QueryLogStreamCount_Historical(t *testing.T, client HTTPClient, stream string, count uint64) {
@@ -561,3 +570,31 @@ func checkAPIAccess(t *testing.T, client HTTPClient, stream string, role string)
 		require.Equalf(t, 403, response.StatusCode, "Server returned http code: %s and response: %s", response.Status, readAsString(response.Body))
 	}
 }
+
+func activateHotTier(t *testing.T) {
+	payload := StreamHotTier{
+		Size: fmt.Sprintf("%d", int64(20*math.Pow(1024, 3))), // set hot tier size to be 20 GB
+	}
+	json, _ := json.Marshal(payload)
+
+	req, _ := NewGlob.QueryClient.NewRequest("PUT", "logstream/"+NewGlob.Stream+"/hottier", bytes.NewBuffer(json))
+	req.Header.Set("Content-Type", "application/json")
+	response, err := NewGlob.QueryClient.Do(req)
+	body := readAsString(response.Body)
+
+	if NewGlob.IngestorUrl.String() != "" {
+		require.Equalf(t, 200, response.StatusCode, "Server returned unexpected http code: %s and response: %s", response.Status, body)
+		require.NoErrorf(t, err, "Activating hot tier failed in distributed mode: %s", err)
+	} else {
+		// right now, hot tier is unavailable in standalone so anything other than 200 is fine
+		require.NotEqualf(t, 200, response.StatusCode, "Hot tier has been activated in standalone mode: %s and response: %s", response.Status, body)
+	}
+}
+
+func disableHotTier(t *testing.T) {
+	req, _ := NewGlob.QueryClient.NewRequest("PUT", "logstream/"+NewGlob.Stream+"/hottier", nil)
+	response, err := NewGlob.QueryClient.Do(req)
+	body := readAsString(response.Body)
+	require.Equalf(t, 200, response.StatusCode, "Server returned http code: %s and response: %s", response.Status, body)
+	require.NoErrorf(t, err, "Disabling hot tier failed: %s", err)
+}