fix(coderd): fix template insight intervals (#8662)

coderd/database/dbfake/dbfake.go

@@ -2326,12 +2326,15 @@ func (q *FakeQuerier) GetUserLatencyInsights(_ context.Context, arg database.Get
 		if len(arg.TemplateIDs) > 0 && !slices.Contains(arg.TemplateIDs, s.TemplateID) {
 			continue
 		}
-		if !arg.StartTime.Equal(s.CreatedAt) && !(s.CreatedAt.After(arg.StartTime) && s.CreatedAt.Before(arg.EndTime)) {
+		if !arg.StartTime.Equal(s.CreatedAt) && (s.CreatedAt.Before(arg.StartTime) || s.CreatedAt.After(arg.EndTime)) {
 			continue
 		}
 		if s.ConnectionCount == 0 {
 			continue
 		}
+		if s.ConnectionMedianLatencyMS <= 0 {
+			continue
+		}
 
 		latenciesByUserID[s.UserID] = append(latenciesByUserID[s.UserID], s.ConnectionMedianLatencyMS)
 		if seenTemplatesByUserID[s.UserID] == nil {

coderd/database/queries.sql.go

@@ -1378,7 +1378,8 @@ func (q *sqlQuerier) UpdateGroupByID(ctx context.Context, arg UpdateGroupByIDPar
 const getTemplateDailyInsights = `-- name: GetTemplateDailyInsights :many
 WITH d AS (
 	-- sqlc workaround, use SELECT generate_series instead of SELECT * FROM generate_series.
-	SELECT generate_series($1::timestamptz, $2::timestamptz, '1 day'::interval) AS d
+	-- Subtract 1 second from end_time to avoid including the next interval in the results.
+	SELECT generate_series($1::timestamptz, ($2::timestamptz) - '1 second'::interval, '1 day'::interval) AS d
 ), ts AS (
 	SELECT
 		d::timestamptz AS from_,
@@ -1398,17 +1399,20 @@ WITH d AS (
 	)
 	GROUP BY ts.from_, ts.to_, was.user_id
 ), template_ids AS (
-	SELECT array_agg(DISTINCT template_id) AS ids
+	SELECT
+		from_,
+		array_agg(DISTINCT template_id) AS ids
 	FROM usage_by_day, unnest(template_ids) template_id
 	WHERE template_id IS NOT NULL
+	GROUP BY from_, template_ids
 )
 
 SELECT
 	from_ AS start_time,
 	to_ AS end_time,
-	COALESCE((SELECT ids FROM template_ids), '{}')::uuid[] AS template_ids,
+	COALESCE((SELECT template_ids.ids FROM template_ids WHERE template_ids.from_ = usage_by_day.from_), '{}')::uuid[] AS template_ids,
 	COUNT(DISTINCT user_id) AS active_users
-FROM usage_by_day, unnest(template_ids) as template_id
+FROM usage_by_day
 GROUP BY from_, to_
 `
 
@@ -1459,7 +1463,8 @@ func (q *sqlQuerier) GetTemplateDailyInsights(ctx context.Context, arg GetTempla
 
 const getTemplateInsights = `-- name: GetTemplateInsights :one
 WITH d AS (
-	SELECT generate_series($1::timestamptz, $2::timestamptz, '5 minute'::interval) AS d
+	-- Subtract 1 second from end_time to avoid including the next interval in the results.
+	SELECT generate_series($1::timestamptz, ($2::timestamptz) - '1 second'::interval, '5 minute'::interval) AS d
 ), ts AS (
 	SELECT
 		d::timestamptz AS from_,

coderd/database/queries/insights.sql

@@ -24,7 +24,8 @@ ORDER BY user_id ASC;
 -- GetTemplateInsights has a granularity of 5 minutes where if a session/app was
 -- in use, we will add 5 minutes to the total usage for that session (per user).
 WITH d AS (
-	SELECT generate_series(@start_time::timestamptz, @end_time::timestamptz, '5 minute'::interval) AS d
+	-- Subtract 1 second from end_time to avoid including the next interval in the results.
+	SELECT generate_series(@start_time::timestamptz, (@end_time::timestamptz) - '1 second'::interval, '5 minute'::interval) AS d
 ), ts AS (
 	SELECT
 		d::timestamptz AS from_,
@@ -71,7 +72,8 @@ FROM usage_by_user;
 -- interval/template, it will be included in the results with 0 active users.
 WITH d AS (
 	-- sqlc workaround, use SELECT generate_series instead of SELECT * FROM generate_series.
-	SELECT generate_series(@start_time::timestamptz, @end_time::timestamptz, '1 day'::interval) AS d
+	-- Subtract 1 second from end_time to avoid including the next interval in the results.
+	SELECT generate_series(@start_time::timestamptz, (@end_time::timestamptz) - '1 second'::interval, '1 day'::interval) AS d
 ), ts AS (
 	SELECT
 		d::timestamptz AS from_,
@@ -91,15 +93,18 @@ WITH d AS (
 	)
 	GROUP BY ts.from_, ts.to_, was.user_id
 ), template_ids AS (
-	SELECT array_agg(DISTINCT template_id) AS ids
+	SELECT
+		from_,
+		array_agg(DISTINCT template_id) AS ids
 	FROM usage_by_day, unnest(template_ids) template_id
 	WHERE template_id IS NOT NULL
+	GROUP BY from_, template_ids
 )
 
 SELECT
 	from_ AS start_time,
 	to_ AS end_time,
-	COALESCE((SELECT ids FROM template_ids), '{}')::uuid[] AS template_ids,
+	COALESCE((SELECT template_ids.ids FROM template_ids WHERE template_ids.from_ = usage_by_day.from_), '{}')::uuid[] AS template_ids,
 	COUNT(DISTINCT user_id) AS active_users
-FROM usage_by_day, unnest(template_ids) as template_id
+FROM usage_by_day
 GROUP BY from_, to_;

coderd/insights_test.go

@@ -168,11 +168,17 @@ func TestUserLatencyInsights(t *testing.T) {
 	defer r.Close()
 	defer w.Close()
 	sess.Stdin = r
+	sess.Stdout = io.Discard
 	err = sess.Start("cat")
 	require.NoError(t, err)
 
 	var userLatencies codersdk.UserLatencyInsightsResponse
 	require.Eventuallyf(t, func() bool {
+		// Keep connection active.
+		_, err := w.Write([]byte("hello world\n"))
+		if !assert.NoError(t, err) {
+			return false
+		}
 		userLatencies, err = client.UserLatencyInsights(ctx, codersdk.UserLatencyInsightsRequest{
 			StartTime:   today,
 			EndTime:     time.Now().UTC().Truncate(time.Hour).Add(time.Hour), // Round up to include the current hour.
@@ -182,7 +188,7 @@ func TestUserLatencyInsights(t *testing.T) {
 			return false
 		}
 		return len(userLatencies.Report.Users) > 0 && userLatencies.Report.Users[0].LatencyMS.P50 > 0
-	}, testutil.WaitShort, testutil.IntervalFast, "user latency is missing")
+	}, testutil.WaitMedium, testutil.IntervalFast, "user latency is missing")
 
 	// We got our latency data, close the connection.
 	_ = sess.Close()
@@ -318,8 +324,8 @@ func TestTemplateInsights(t *testing.T) {
 			return false
 		}
 	}
-	require.Eventually(t, waitForAppSeconds("reconnecting-pty"), testutil.WaitShort, testutil.IntervalFast, "reconnecting-pty seconds missing")
-	require.Eventually(t, waitForAppSeconds("ssh"), testutil.WaitShort, testutil.IntervalFast, "ssh seconds missing")
+	require.Eventually(t, waitForAppSeconds("reconnecting-pty"), testutil.WaitMedium, testutil.IntervalFast, "reconnecting-pty seconds missing")
+	require.Eventually(t, waitForAppSeconds("ssh"), testutil.WaitMedium, testutil.IntervalFast, "ssh seconds missing")
 
 	// We got our data, close down sessions and connections.
 	_ = rpty.Close()