fixup! Post CI health reports to Slack

.github/workflows/reports.yml

@@ -35,18 +35,27 @@ jobs:
       - name: Generate Slack message
         id: message
         run: |
-          for name in health failing-jobs; do
-            output=$(docker exec trino \
-              java -Dorg.jline.terminal.dumb=true -jar /usr/bin/trino \
-              trino://localhost:8080/trinocicd/v2 \
-              --file /sql/ci-cd/$name.sql \
-              --output-format=ALIGNED)
+          output=$(docker exec trino \
+            java -Dorg.jline.terminal.dumb=true -jar /usr/bin/trino \
+            trino://localhost:8080/trinocicd/v2 \
+            --file /sql/ci-cd/health.sql \
+            --output-format=VERTICAL | tail -n+2)
 
-            EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
-            echo "$name<<$EOF" >> $GITHUB_OUTPUT
-            echo '```'"$output"'```' >> $GITHUB_OUTPUT
-            echo "$EOF" >> $GITHUB_OUTPUT
-          done
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+          echo "health<<$EOF" >> $GITHUB_OUTPUT
+          echo '```'"$output"'```' >> $GITHUB_OUTPUT
+          echo "$EOF" >> $GITHUB_OUTPUT
+
+          output=$(docker exec trino \
+            java -Dorg.jline.terminal.dumb=true -jar /usr/bin/trino \
+            trino://localhost:8080/trinocicd/v2 \
+            --file /sql/ci-cd/failing-jobs.sql \
+            --output-format=CSV_UNQUOTED)
+
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+          echo "failing-jobs<<$EOF" >> $GITHUB_OUTPUT
+          echo "$output" >> $GITHUB_OUTPUT
+          echo "$EOF" >> $GITHUB_OUTPUT
       - name: Post to a Slack channel
         id: slack
         uses: slackapi/[email protected]
@@ -86,6 +95,15 @@ jobs:
                     "type": "mrkdwn",
                     "text": ${{ toJSON(steps.message.outputs.failing-jobs) }}
                   }
+                },
+                {
+                  "type": "context",
+                  "elements": [
+                    {
+                      "type": "mrkdwn",
+                      "text": "See the complete <https://trinodb.github.io/reports/reports/flaky/|flaky jobs report>"
+                    }
+                  ]
                 }
               ]
             }

sql/ci-cd/failing-jobs.sql

@@ -1,60 +1,45 @@
 -- Recently failing jobs
 -- Lists failed jobs on master branch in last 24h
-WITH
-  -- bar() function renders colored output, and uses one character rendering (boxes), so has less precision within same width
-  FUNCTION ascii_bar(value double)
-  RETURNS varchar
-  DETERMINISTIC
-  BEGIN
-    DECLARE max_width double DEFAULT 20;
-    DECLARE clamped_value double;
-    SET clamped_value = greatest(0, least(1, value));
-    RETURN array_join(
-        repeat('█',
-            greatest(0, CAST(floor(max_width * clamped_value) AS integer) - 1)), '')
-    || ARRAY[' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉', '█'][cast((clamped_value % (1e0 / max_width)) * max_width * 8 + 1 as int)];
-  END
 WITH
 recent_master_runs AS (
   SELECT
       id
     , check_suite_id
-    , 'https://github.com/trinodb/trino/actions/runs/' || cast(id as varchar) AS details_url
+    , format('<https://github.com/trinodb/trino/actions/runs/%d|%d>', id, run_number) AS details_link
     , conclusion
   FROM runs
   WHERE owner = 'trinodb' AND repo = 'trino' AND name = 'ci'
-  -- only include push events, not pull requests, to filter out PR runs from master branch in forks
-  AND head_branch = 'master' AND event = 'push' AND status = 'completed'
+  -- do not include pull requests, to filter out PR runs from master branch in forks
+  AND head_branch = 'master' AND event != 'pull_request' AND status = 'completed'
   AND created_at > now() - interval '1' day
 )
 , failed_recent_master_runs AS (
   SELECT
       id
     , check_suite_id
-    , details_url
+    , details_link
   FROM recent_master_runs
   WHERE conclusion != 'success'
 )
 , failed_jobs AS (
   SELECT
       jobs.name
     , count(DISTINCT runs.id) AS num_failed_runs
-    , array_agg(anno.title || chr(10) || anno.message ORDER BY anno.message) AS errors
-    , array_agg(DISTINCT runs.details_url ORDER BY runs.details_url) AS failed_runs
+    , array_agg(DISTINCT runs.details_link ORDER BY runs.details_link) AS failed_runs
   FROM failed_recent_master_runs runs
   JOIN check_runs jobs ON jobs.check_suite_id = runs.check_suite_id AND jobs.conclusion NOT IN ('success', 'skipped')
-  LEFT JOIN check_run_annotations anno ON anno.check_run_id = jobs.id
   GROUP BY jobs.name
 )
 
 SELECT
-    name AS "Job name"
-  , ascii_bar(1e0 * num_failed_runs / (SELECT count(*) FROM recent_master_runs)) AS "Failure ratio chart"
-  , round(100e0 * num_failed_runs / (SELECT count(*) FROM recent_master_runs), 1) AS "Failure percent"
-  , num_failed_runs AS "Number of failed runs"
-  -- whole report must be under 3k characters to fit into a Slack notification
-  --, errors AS "Error messages"
-  , failed_runs AS "Run URLs"
+  format(
+    '• %s - %.1f%% (%d/%d)%n    %s'
+    , name
+    , 100e0 * num_failed_runs / (SELECT count(*) FROM recent_master_runs)
+    , num_failed_runs
+    , (SELECT count(*) FROM recent_master_runs)
+    , array_join(failed_runs, ', ')
+  ) AS "Jobs"
 FROM failed_jobs
 ORDER BY num_failed_runs DESC, name
 ;

sql/ci-cd/health.sql

@@ -1,46 +1,63 @@
 -- CI workflow health
-WITH
-  -- bar() function renders colored output, and uses one character rendering (boxes), so has less precision within same width
-  FUNCTION ascii_bar(value double)
-  RETURNS varchar
-  DETERMINISTIC
-  BEGIN
-    DECLARE max_width double DEFAULT 20;
-    DECLARE clamped_value double;
-    SET clamped_value = greatest(0, least(1, value));
-    RETURN array_join(
-        repeat('█',
-            greatest(0, CAST(floor(max_width * clamped_value) AS integer) - 1)), '')
-    || ARRAY[' ', '▏', '▎', '▍', '▌', '▋', '▊', '▉', '█'][cast((clamped_value % (1e0 / max_width)) * max_width * 8 + 1 as int)];
-  END
+-- Percentage of successful runs of the `ci` workflow on the master branch.
+WITH FUNCTION vertical_bar(value DOUBLE, day DATE)
+    RETURNS VARCHAR
+    DETERMINISTIC
+    RETURN CASE
+        -- for weekends, if missing or zero, grey it out
+        WHEN value = 0 AND day_of_week(day) IN (6,7) THEN '░'
+        -- map [0.0, 1.0] to [1, 9]
+        ELSE ARRAY[' ', '▁', '▂', '▃', '▄', '▅', '▆', '▇', '█'][cast(value * 8 + 1 as int)]
+END
 WITH
 runs AS (
   SELECT
-      CASE head_branch
-        WHEN 'master' THEN head_branch
-        ELSE '[other]'
-      END AS branch
-    , created_at
+      date(created_at) AS created_at
     , conclusion
+    , count(*) AS num_runs
+    , count(*) FILTER (WHERE conclusion = 'success') AS num_success
   FROM runs
-  WHERE owner = 'trinodb' AND repo = 'trino'
-  AND name = 'ci' AND created_at >= CURRENT_DATE - INTERVAL '30' DAY
+  WHERE owner = 'trinodb' AND repo = 'trino' AND name = 'ci'
+  AND head_branch = 'master' AND event != 'pull_request' AND status = 'completed'
+  AND created_at >= CURRENT_DATE - INTERVAL '7' DAY
+  GROUP BY date(created_at), conclusion
+)
+, days AS (
+    SELECT seq.day
+    FROM (SELECT min(created_at) AS first_day , max(created_at) AS last_day FROM runs) range
+    CROSS JOIN UNNEST (sequence(range.first_day, range.last_day)) seq(day)
+)
+, daily AS (
+  SELECT
+      created_at
+    , conclusion
+    , num_runs
+    , num_success
+    , 1e0 * num_success / num_runs AS ratio
+  FROM days
+  LEFT JOIN runs ON runs.created_at = days.day
 )
-, intervals(days, label) AS (
-    VALUES
-      (INTERVAL '1' DAY, '1 day')
-    , (INTERVAL '3' DAY, '3 days')
-    , (INTERVAL '7' DAY, '7 days')
-    , (INTERVAL '30' DAY, '30 days')
+, summary AS (
+  SELECT
+      sum(num_runs) AS num_runs
+    , sum(num_success) AS num_success
+    , 1e0 * sum(num_success) / sum(num_runs) AS ratio
+    , array_join(array_agg(vertical_bar(coalesce(ratio, 0), created_at) ORDER BY created_at DESC), '') AS chart
+  FROM daily
+)
+, latest AS (
+  SELECT
+      num_runs
+    , num_success
+    , 1e0 * num_success / num_runs AS ratio
+  FROM runs
+  ORDER BY created_at DESC
+  LIMIT 1
 )
 SELECT
-    branch AS "Branch"
-  , intervals.label AS "Interval"
-  , ascii_bar(1e0 * count(1) FILTER (WHERE conclusion = 'success') / count(1)) AS "Success ratio chart"
-  , round(100e0 * count(1) FILTER (WHERE conclusion = 'success') / count(1), 1) AS "Success percent"
-  , count(1) FILTER (WHERE created_at > now() - intervals.days) AS "Number of runs"
-FROM intervals
-JOIN runs ON runs.created_at > now() - intervals.days
-GROUP BY branch, intervals.days, intervals.label
-ORDER BY branch DESC, intervals.days
+    format('%.1f%% (%d/%d)', 100e0 * latest.ratio, latest.num_success, latest.num_runs) AS "Today"
+  , format('%.1f%% (%d/%d)', 100e0 * summary.ratio, summary.num_success, summary.num_runs) AS "Weekly"
+  , summary.chart AS "Daily (desc)"
+FROM summary
+CROSS JOIN latest
 ;

sql/flaky/jobs.sql

@@ -32,6 +32,7 @@ WITH report_configuration AS (
     AND jobs.conclusion IS NOT NULL -- ignore partially ingested information
     AND jobs.conclusion != 'skipped'
     AND jobs.conclusion != 'cancelled'
+    AND jobs.name NOT LIKE 'check-commit%' -- these include a commit SHA and are always unique
 )
 , analyzed_job_runs AS (
     -- When using "Re-run failed jobs", previously successful jobs appear as successful, which could lead to