cron jobs for buildbot and phab monitoring

+ fix phabricator / buildbot uptime monitoring

+ data is stored in separate databases

containers/stats/Dockerfile

@@ -19,8 +19,11 @@ ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
 
 COPY *.sh /usr/local/bin/
+# requirements.txt generated by running `pipenv lock -r > ../../containers/stats/requirements.txt` in `scripts/metrics`.
+COPY requirements.txt /tmp/
+RUN pip install -q -r /tmp/requirements.txt
 RUN chmod og+rx /usr/local/bin/*.sh
-RUN wget https://dl.google.com/cloudsql/cloud_sql_proxy.linux.amd64 -O /usr/local/bin/cloud_sql_proxy;\
+RUN wget -q https://dl.google.com/cloudsql/cloud_sql_proxy.linux.amd64 -O /usr/local/bin/cloud_sql_proxy;\
     chmod +x /usr/local/bin/cloud_sql_proxy
 
 ENTRYPOINT ["entrypoint.sh"]

containers/stats/entrypoint.sh

@@ -17,4 +17,6 @@ set -euo pipefail
 
 git clone --depth 1 https://github.com/google/llvm-premerge-checks.git ~/llvm-premerge-checks
 cd ~/llvm-premerge-checks
+git fetch origin "${SCRIPTS_REFSPEC:=main}":x
+git checkout x
 exec /usr/bin/tini -g -- $@

containers/stats/requirements.txt

@@ -0,0 +1,27 @@
+backoff==1.10.0
+certifi==2020.12.5
+chardet==4.0.0
+ftfy==6.0.1; python_version >= '3.6'
+gitdb==4.0.7
+gitpython==3.1.17
+idna==2.10
+lxml==4.6.3
+mailchecker==4.0.7
+pathspec==0.8.1
+phabricator==0.8.1
+phonenumbers==8.12.23
+psycopg2-binary==2.8.6
+pyaml==20.4.0
+python-benedict==0.24.0
+python-dateutil==2.8.1
+python-fsutil==0.5.0
+python-slugify==5.0.2
+pyyaml==5.4.1
+requests==2.25.1
+six==1.16.0
+smmap==4.0.0
+text-unidecode==1.3
+toml==0.10.2
+urllib3==1.26.4
+wcwidth==0.2.5
+xmltodict==0.12.0

kubernetes/cron/buildbots.yaml

@@ -0,0 +1,63 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://llvm.org/LICENSE.txt
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: buildbot-stats
+  namespace: buildkite
+spec:
+  schedule: "40 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 24
+  failedJobsHistoryLimit: 3
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: collect-buildkite-stats
+            image: gcr.io/llvm-premerge-checks/stats:latest
+            args: ["/root/llvm-premerge-checks/scripts/metrics/connect_db.sh python3 buildbot_monitoring.py"]
+            env:
+            - name: BUILDKITE_AGENT_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: buildkite-agent-token
+                  key: token
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: CONDUIT_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: conduit-api-token
+                  key: token
+            - name: BUILDKITE_API_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: buildkite-api-token
+                  key: token
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: db-stats
+                  key: password
+            - name: SCRIPTS_REFSPEC
+              value: "cron-2"
+          restartPolicy: Never
+          nodeSelector:
+            cloud.google.com/gke-nodepool: service

kubernetes/cron/buildkite.yaml

@@ -16,7 +16,7 @@
 apiVersion: batch/v1beta1
 kind: CronJob
 metadata:
-  name: collect-stats
+  name: buildkite-stats
   namespace: buildkite
 spec:
   schedule: "0 * * * *"
@@ -30,7 +30,7 @@ spec:
           containers:
           - name: collect-buildkite-stats
             image: gcr.io/llvm-premerge-checks/stats:latest
-            args: ["/root/llvm-premerge-checks/scripts/metrics/load_buildkite.sh"]
+            args: ["/root/llvm-premerge-checks/scripts/metrics/connect_db.sh python3 load_buildkite.py"]
             env:
             - name: BUILDKITE_AGENT_TOKEN
               valueFrom:
@@ -56,6 +56,8 @@ spec:
                 secretKeyRef:
                   name: db-stats
                   key: password
+            - name: SCRIPTS_REFSPEC
+              value: "cron-2"
           restartPolicy: Never
           nodeSelector:
             cloud.google.com/gke-nodepool: service

kubernetes/cron/uptime.yaml

@@ -0,0 +1,63 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://llvm.org/LICENSE.txt
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: uptime-stats
+  namespace: buildkite
+spec:
+  schedule: "20 * * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 24
+  failedJobsHistoryLimit: 3
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: collect-buildkite-stats
+            image: gcr.io/llvm-premerge-checks/stats:latest
+            args: ["/root/llvm-premerge-checks/scripts/metrics/connect_db.sh python3 server_monitoring.py"]
+            env:
+            - name: BUILDKITE_AGENT_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: buildkite-agent-token
+                  key: token
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: CONDUIT_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: conduit-api-token
+                  key: token
+            - name: BUILDKITE_API_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: buildkite-api-token
+                  key: token
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: db-stats
+                  key: password
+            - name: SCRIPTS_REFSPEC
+              value: "cron-2"
+          restartPolicy: Never
+          nodeSelector:
+            cloud.google.com/gke-nodepool: service

scripts/metrics/buildbot_monitoring.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-
+import logging
 import psycopg2
 import os
 import datetime
@@ -10,6 +10,7 @@ import json
 PHABRICATOR_URL = "https://reviews.llvm.org/api/"
 BUILDBOT_URL = "https://lab.llvm.org/buildbot/api/v2/"
 
+
 # TODO(kuhnel): retry on connection issues, maybe resuse
 # https://github.com/google/llvm-premerge-checks/blob/main/scripts/phabtalk/phabtalk.py#L44
 
@@ -18,12 +19,9 @@ BUILDBOT_URL = "https://lab.llvm.org/buildbot/api/v2/"
 
 
 def connect_to_db() -> psycopg2.extensions.connection:
-    """Connect to the database, create tables as needed."""
+    """Connect to the database."""
     conn = psycopg2.connect(
-        "host=127.0.0.1 sslmode=disable dbname=stats user={} password={}".format(
-            os.environ["PGUSER"], os.environ["PGPASSWORD"]
-        )
-    )
+        f"host=127.0.0.1 sslmode=disable dbname=buildbots user=stats password={os.getenv('DB_PASSWORD')}")
     return conn
 
 
@@ -81,7 +79,7 @@ def create_tables(conn: psycopg2.extensions.connection):
 
 
 def get_worker_status(
-    worker_id: int, conn: psycopg2.extensions.connection
+        worker_id: int, conn: psycopg2.extensions.connection
 ) -> Optional[Dict]:
     """Note: postgres returns a dict for a stored json object."""
     cur = conn.cursor()
@@ -96,7 +94,7 @@ def get_worker_status(
 
 
 def get_builder_status(
-    builder_id: int, conn: psycopg2.extensions.connection
+        builder_id: int, conn: psycopg2.extensions.connection
 ) -> Optional[Dict]:
     """Note: postgres returns a dict for a stored json object."""
     cur = conn.cursor()
@@ -112,10 +110,10 @@ def get_builder_status(
 
 
 def set_worker_status(
-    timestamp: datetime.datetime,
-    worker_id: int,
-    data: str,
-    conn: psycopg2.extensions.connection,
+        timestamp: datetime.datetime,
+        worker_id: int,
+        data: str,
+        conn: psycopg2.extensions.connection,
 ):
     cur = conn.cursor()
     cur.execute(
@@ -126,7 +124,7 @@ def set_worker_status(
 
 
 def update_workers(conn: psycopg2.extensions.connection):
-    print("Updating worker status...")
+    logging.info("Updating worker status...")
     response = requests.get(BUILDBOT_URL + "workers")
     timestamp = datetime.datetime.now()
     for worker in response.json()["workers"]:
@@ -144,7 +142,7 @@ def update_workers(conn: psycopg2.extensions.connection):
 
 def update_builders(conn: psycopg2.extensions.connection):
     """get list of all builder ids."""
-    print("Updating builder status...")
+    logging.info("Updating builder status...")
     response = requests.get(BUILDBOT_URL + "builders")
     timestamp = datetime.datetime.now()
     for builder in response.json()["builders"]:
@@ -174,13 +172,10 @@ def get_last_build(conn: psycopg2.extensions.connection) -> int:
 
 def update_build_status(conn: psycopg2.extensions.connection):
     start_id = get_last_build(conn)
-    print("Updating build results, starting with {}...".format(start_id))
+    logging.info("Updating build results, starting with {}...".format(start_id))
     url = BUILDBOT_URL + "builds"
     cur = conn.cursor()
-
-    for result_set in rest_request_iterator(
-        url, "builds", "buildid", start_id=start_id
-    ):
+    for result_set in rest_request_iterator(url, "builds", "buildid", start_id=start_id):
         args_str = b",".join(
             cur.mogrify(
                 b" (%s,%s,%s,%s) ",
@@ -194,21 +189,20 @@ def update_build_status(conn: psycopg2.extensions.connection):
             for build in result_set
             if build["complete"]
         )
-
         cur.execute(
             b"INSERT INTO buildbot_builds (build_id, builder_id, build_number, build_data) values "
             + args_str
         )
-        print("  {}".format(result_set[-1]["buildid"]))
+        logging.info("last build id: {}".format(result_set[-1]["buildid"]))
         conn.commit()
 
 
 def rest_request_iterator(
-    url: str,
-    array_field_name: str,
-    id_field_name: str,
-    start_id: int = 0,
-    step: int = 1000,
+        url: str,
+        array_field_name: str,
+        id_field_name: str,
+        start_id: int = 0,
+        step: int = 1000,
 ):
     """Request paginated data from the buildbot master.
 
@@ -252,12 +246,12 @@ def get_latest_buildset(conn: psycopg2.extensions.connection) -> int:
 
 def update_buildsets(conn: psycopg2.extensions.connection):
     start_id = get_latest_buildset(conn)
-    print("Getting buildsets, starting with {}...".format(start_id))
+    logging.info("Getting buildsets, starting with {}...".format(start_id))
     url = BUILDBOT_URL + "buildsets"
     cur = conn.cursor()
 
     for result_set in rest_request_iterator(
-        url, "buildsets", "bsid", start_id=start_id
+            url, "buildsets", "bsid", start_id=start_id
     ):
         args_str = b",".join(
             cur.mogrify(
@@ -273,7 +267,7 @@ def update_buildsets(conn: psycopg2.extensions.connection):
         cur.execute(
             b"INSERT INTO buildbot_buildsets (buildset_id, data) values " + args_str
         )
-        print("  {}".format(result_set[-1]["bsid"]))
+        logging.info("last id {}".format(result_set[-1]["bsid"]))
         conn.commit()
 
 
@@ -288,11 +282,11 @@ def get_latest_buildrequest(conn: psycopg2.extensions.connection) -> int:
 
 def update_buildrequests(conn: psycopg2.extensions.connection):
     start_id = get_latest_buildrequest(conn)
-    print("Getting buildrequests, starting with {}...".format(start_id))
+    logging.info("Getting buildrequests, starting with {}...".format(start_id))
     url = BUILDBOT_URL + "buildrequests"
     cur = conn.cursor()
     for result_set in rest_request_iterator(
-        url, "buildrequests", "buildrequestid", start_id=start_id
+            url, "buildrequests", "buildrequestid", start_id=start_id
     ):
         # cur.mogrify returns a byte string, so we need to join on a byte string
         args_str = b",".join(
@@ -313,12 +307,12 @@ def update_buildrequests(conn: psycopg2.extensions.connection):
             b"INSERT INTO buildbot_buildrequests (buildrequest_id, buildset_id, data) values "
             + args_str
         )
-        print("  {}".format(result_set[-1]["buildrequestid"]))
+        logging.info("{}".format(result_set[-1]["buildrequestid"]))
         conn.commit()
 
 
-def buildbot_monitoring():
-    """Main function of monitoring the phabricator server."""
+if __name__ == "__main__":
+    logging.basicConfig(level='INFO', format='%(levelname)-7s %(message)s')
     conn = connect_to_db()
     create_tables(conn)
     update_workers(conn)
@@ -326,8 +320,3 @@ def buildbot_monitoring():
     update_build_status(conn)
     update_buildsets(conn)
     update_buildrequests(conn)
-    print("Completed, exiting...")
-
-
-if __name__ == "__main__":
-    buildbot_monitoring()

scripts/metrics/connect_db.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://llvm.org/LICENSE.txt
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# generate statistics on the llvm github repository
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+cd $SCRIPT_DIR
+# sleep to let proxy to came up
+cloud_sql_proxy -instances=llvm-premerge-checks:us-central1:buildkite-stats=tcp:0.0.0.0:5432 &
+sleep 3s
+$@

scripts/metrics/load_buildkite.py

@@ -1,5 +1,4 @@
 import sys
-
 import psycopg2
 import psycopg2.extras
 import logging
@@ -14,6 +13,7 @@ psycopg2.extensions.register_adapter(dict, psycopg2.extras.Json)
 
 token = f'Bearer {os.getenv("BUILDKITE_API_TOKEN")}'
 
+
 def connect():
     return psycopg2.connect(
         f"host=127.0.0.1 sslmode=disable dbname=stats user=stats password={os.getenv('DB_PASSWORD')}")
@@ -57,7 +57,8 @@ where a.id IS NULL and j.raw->>'raw_log_url' IS NOT NULL
                 content, en = download_text(url)
                 meta['encoding'] = en
                 with conn.cursor() as i:
-                    i.execute('INSERT INTO artifacts (id, job_id, content, meta) VALUES (%s, %s, %s, %s)', [job_id, job_id, content, meta])
+                    i.execute('INSERT INTO artifacts (id, job_id, content, meta) VALUES (%s, %s, %s, %s)',
+                              [job_id, job_id, content, meta])
             except:
                 meta['failure'] = traceback.format_exc()
                 logging.error(f'download artifact failed {meta["failure"]} {url}')
@@ -247,7 +248,6 @@ where j.id IS NULL""")
 
 if __name__ == '__main__':
     logging.basicConfig(level='INFO', format='%(levelname)-7s %(message)s')
-    print(os.environ)
     cn = connect()
     logging.info('downloading buildkite data')
     insert_new_builds(cn)

scripts/metrics/load_buildkite.sh

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-echo "loading buildkite data"
-SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
-cd $SCRIPT_DIR
-pipenv install
-cloud_sql_proxy -instances=llvm-premerge-checks:us-central1:buildkite-stats=tcp:0.0.0.0:5432 & pipenv run python3 $SCRIPT_DIR/load_buildkite.py

scripts/metrics/requirements.txt

@@ -1,2 +0,0 @@
-# these files are needed in addition to /scripts/requirments.txt
-psycopg2

scripts/metrics/server_monitoring.py

@@ -1,14 +1,15 @@
 #!/usr/bin/env python3
-
+import traceback
 import psycopg2
 from phabricator import Phabricator
 import os
 from typing import Optional
 import datetime
 import requests
+import logging
 
 PHABRICATOR_URL = "https://reviews.llvm.org/api/"
-BUILDBOT_URL = "https://lab.llvm.org/buildbot/api/v2/"
+BUILDBOT_URL = "https://lab.llvm.org/buildbot/api/v2"
 
 
 def phab_up() -> Optional[Phabricator]:
@@ -16,36 +17,37 @@ def phab_up() -> Optional[Phabricator]:
 
     Returns None if server is down.
     """
-    print("Checking Phabricator status...")
+    logging.info("Checking Phabricator status...")
     try:
-        phab = Phabricator(host=PHABRICATOR_URL)
+        phab = Phabricator(token=os.getenv('CONDUIT_TOKEN'), host=PHABRICATOR_URL)
         phab.update_interfaces()
-        print("  Phabricator is up.")
+        logging.info("Phabricator is up.")
         return phab
-    except Exception:
-        pass
-        print("  Phabricator is down.")
+    except Exception as ex:
+        logging.error(ex)
+        logging.error(traceback.format_exc())
+        logging.warning("Phabricator is down.")
     return None
 
 
 def buildbot_up() -> bool:
     """Check if buildbot server is up"""
-    print("Checking Buildbot status...")
+    logging.info("Checking Buildbot status...")
     try:
-        response = requests.get(BUILDBOT_URL + "buildrequests?limit=100")
-        if "masters" in response.json():
-            print("  Buildbot is up.")
-            return True
-    except Exception:
-        pass
-    print("  Buildbot is down.")
+        response = requests.get(BUILDBOT_URL)
+        logging.info(f'{response.status_code} {BUILDBOT_URL}')
+        logging.info(response.content)
+        return response.status_code == 200
+    except Exception as ex:
+        logging.error(ex)
+        logging.error(traceback.format_exc())
+    logging.warning("Buildbot is down.")
     return False
 
 
 def log_server_status(phab: bool, buildbot: bool, conn: psycopg2.extensions.connection):
     """log the phabricator status to the database."""
-    print("Writing Phabricator status to database...")
-
+    logging.info("Writing Phabricator status to database...")
     cur = conn.cursor()
     cur.execute(
         "INSERT INTO server_status (timestamp, phabricator, buildbot) VALUES (%s,%s,%s);",
@@ -57,10 +59,7 @@ def log_server_status(phab: bool, buildbot: bool, conn: psycopg2.extensions.conn
 def connect_to_db() -> psycopg2.extensions.connection:
     """Connect to the database, create tables as needed."""
     conn = psycopg2.connect(
-        "host=127.0.0.1 sslmode=disable dbname=stats user={} password={}".format(
-            os.environ["PGUSER"], os.environ["PGPASSWORD"]
-        )
-    )
+        f"host=127.0.0.1 sslmode=disable dbname=phabricator user=stats password={os.getenv('DB_PASSWORD')}")
     cur = conn.cursor()
     cur.execute(
         "CREATE TABLE IF NOT EXISTS server_status (timestamp timestamp, phabricator boolean, buildbot boolean);"
@@ -69,14 +68,9 @@ def connect_to_db() -> psycopg2.extensions.connection:
     return conn
 
 
-def server_monitoring():
-    """Main function of monitoring the servers."""
+if __name__ == "__main__":
+    logging.basicConfig(level='INFO', format='%(levelname)-7s %(message)s')
     conn = connect_to_db()
     phab = phab_up()
     buildbot = buildbot_up()
     log_server_status(phab is not None, buildbot, conn)
-    print("Completed, exiting...")
-
-
-if __name__ == "__main__":
-    server_monitoring()