Fix coverage in sytest and use plugins for buildkite (#5922)

.buildkite/docker-compose.py35.pg95.yaml

@@ -17,6 +17,6 @@ services:
       SYNAPSE_POSTGRES_HOST: postgres
       SYNAPSE_POSTGRES_USER: postgres
       SYNAPSE_POSTGRES_PASSWORD: postgres
-    working_dir: /app
+    working_dir: /src
     volumes:
-      - ..:/app
+      - ..:/src

.buildkite/docker-compose.py37.pg11.yaml

@@ -17,6 +17,6 @@ services:
       SYNAPSE_POSTGRES_HOST: postgres
       SYNAPSE_POSTGRES_USER: postgres
       SYNAPSE_POSTGRES_PASSWORD: postgres
-    working_dir: /app
+    working_dir: /src
     volumes:
-      - ..:/app
+      - ..:/src

.buildkite/docker-compose.py37.pg95.yaml

@@ -17,6 +17,6 @@ services:
       SYNAPSE_POSTGRES_HOST: postgres
       SYNAPSE_POSTGRES_USER: postgres
       SYNAPSE_POSTGRES_PASSWORD: postgres
-    working_dir: /app
+    working_dir: /src
     volumes:
-      - ..:/app
+      - ..:/src

.buildkite/merge_base_branch.sh

@@ -27,7 +27,7 @@ git config --global user.name "A robot"
 
 # Fetch and merge. If it doesn't work, it will raise due to set -e.
 git fetch -u origin $GITBASE
-git merge --no-edit origin/$GITBASE
+git merge --no-edit --no-commit origin/$GITBASE
 
 # Show what we are after.
 git --no-pager show -s

.buildkite/pipeline.yml

@@ -1,15 +1,15 @@
 env:
-  CODECOV_TOKEN: "2dd7eb9b-0eda-45fe-a47c-9b5ac040045f"
+  COVERALLS_REPO_TOKEN: wsJWOby6j0uCYFiCes3r0XauxO27mx8lD
 
 steps:
-
   - command:
       - "python -m pip install tox"
       - "tox -e check_codestyle"
     label: "\U0001F9F9 Check Style"
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+          mount-buildkite-agent: false
 
   - command:
       - "python -m pip install tox"
@@ -18,6 +18,7 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+          mount-buildkite-agent: false
 
   - command:
       - "python -m pip install tox"
@@ -26,6 +27,7 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+          mount-buildkite-agent: false
 
   - command:
       - "python -m pip install tox"
@@ -36,6 +38,7 @@ steps:
       - docker#v3.0.1:
           image: "python:3.6"
           propagate-environment: true
+          mount-buildkite-agent: false
 
   - command:
       - "python -m pip install tox"
@@ -44,6 +47,7 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+          mount-buildkite-agent: false
 
   - command:
       - "python -m pip install tox"
@@ -52,21 +56,26 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "python:3.5"
+          mount-buildkite-agent: false
 
   - wait
 
   - command:
       - "apt-get update && apt-get install -y python3.5 python3.5-dev python3-pip libxml2-dev libxslt-dev zlib1g-dev"
       - "python3.5 -m pip install tox"
-      - "tox -e py35-old,codecov"
+      - "tox -e py35-old,combine"
     label: ":python: 3.5 / SQLite / Old Deps"
     env:
       TRIAL_FLAGS: "-j 2"
       LANG: "C.UTF-8"
     plugins:
       - docker#v3.0.1:
-          image: "ubuntu:xenial"  # We use xenail to get an old sqlite and python
+          image: "ubuntu:xenial"  # We use xenial to get an old sqlite and python
+          workdir: "/src"
+          mount-buildkite-agent: false
           propagate-environment: true
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -76,14 +85,18 @@ steps:
 
   - command:
       - "python -m pip install tox"
-      - "tox -e py35,codecov"
+      - "tox -e py35,combine"
     label: ":python: 3.5 / SQLite"
     env:
       TRIAL_FLAGS: "-j 2"
     plugins:
       - docker#v3.0.1:
           image: "python:3.5"
+          workdir: "/src"
+          mount-buildkite-agent: false
           propagate-environment: true
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -93,14 +106,18 @@ steps:
 
   - command:
       - "python -m pip install tox"
-      - "tox -e py36,codecov"
+      - "tox -e py36,combine"
     label: ":python: 3.6 / SQLite"
     env:
       TRIAL_FLAGS: "-j 2"
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+          workdir: "/src"
+          mount-buildkite-agent: false
           propagate-environment: true
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -110,14 +127,18 @@ steps:
 
   - command:
       - "python -m pip install tox"
-      - "tox -e py37,codecov"
+      - "tox -e py37,combine"
     label: ":python: 3.7 / SQLite"
     env:
       TRIAL_FLAGS: "-j 2"
     plugins:
       - docker#v3.0.1:
           image: "python:3.7"
+          workdir: "/src"
+          mount-buildkite-agent: false
           propagate-environment: true
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -131,12 +152,14 @@ steps:
     env:
       TRIAL_FLAGS: "-j 8"
     command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py35-postgres,codecov'"
+      - "bash -c 'python -m pip install tox && python -m tox -e py35-postgres,combine'"
     plugins:
       - docker-compose#v2.1.0:
           run: testenv
           config:
             - .buildkite/docker-compose.py35.pg95.yaml
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -150,12 +173,14 @@ steps:
     env:
       TRIAL_FLAGS: "-j 8"
     command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,codecov'"
+      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,combine'"
     plugins:
       - docker-compose#v2.1.0:
           run: testenv
           config:
             - .buildkite/docker-compose.py37.pg95.yaml
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -169,20 +194,21 @@ steps:
     env:
       TRIAL_FLAGS: "-j 8"
     command:
-      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,codecov'"
+      - "bash -c 'python -m pip install tox && python -m tox -e py37-postgres,combine'"
     plugins:
       - docker-compose#v2.1.0:
           run: testenv
           config:
             - .buildkite/docker-compose.py37.pg11.yaml
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
           limit: 2
         - exit_status: 2
           limit: 2
 
-
   - label: "SyTest - :python: 3.5 / SQLite / Monolith"
     agents:
       queue: "medium"
@@ -195,6 +221,16 @@ steps:
           propagate-environment: true
           always-pull: true
           workdir: "/src"
+          entrypoint: ["/bin/sh", "-e", "-c"]
+          mount-buildkite-agent: false
+          volumes: ["./logs:/logs"]
+      - artifacts#v1.2.0:
+          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
+      - matrix-org/annotate:
+          path: "logs/annotate.md"
+          class: "error"
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -216,6 +252,16 @@ steps:
           propagate-environment: true
           always-pull: true
           workdir: "/src"
+          entrypoint: ["/bin/sh", "-e", "-c"]
+          mount-buildkite-agent: false
+          volumes: ["./logs:/logs"]
+      - artifacts#v1.2.0:
+          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
+      - matrix-org/annotate:
+          path: "logs/annotate.md"
+          class: "error"
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
@@ -240,9 +286,25 @@ steps:
           propagate-environment: true
           always-pull: true
           workdir: "/src"
+          entrypoint: ["/bin/sh", "-e", "-c"]
+          mount-buildkite-agent: false
+          volumes: ["./logs:/logs"]
+      - artifacts#v1.2.0:
+          upload: [ "logs/**/*.log", "logs/**/*.log.*", "logs/coverage.xml" ]
+      - matrix-org/annotate:
+          path: "logs/annotate.md"
+          class: "error"
+      - matrix-org/coveralls#v1.0:
+          parallel: "true"
     retry:
       automatic:
         - exit_status: -1
           limit: 2
         - exit_status: 2
           limit: 2
+
+  - wait: ~
+    continue_on_failure: true
+
+  - label: Trigger webhook
+    command: "curl -k https://coveralls.io/webhook?repo_token=$COVERALLS_REPO_TOKEN -d \"payload[build_num]=$BUILDKITE_BUILD_NUMBER&payload[status]=done\""

.coveragerc

@@ -1,7 +1,8 @@
 [run]
 branch = True
 parallel = True
-include = synapse/*
+include=$TOP/synapse/*
+data_file = $TOP/.coverage
 
 [report]
 precision = 2

changelog.d/5922.misc

@@ -0,0 +1 @@
+Update Buildkite pipeline to use plugins instead of buildkite-agent commands.

tox.ini

@@ -7,6 +7,7 @@ deps =
     python-subunit
     junitxml
     coverage
+    coverage-enable-subprocess
     parameterized
 
     # cyptography 2.2 requires setuptools >= 18.5
@@ -43,13 +44,13 @@ whitelist_externals =
 setenv =
     {[base]setenv}
     postgres: SYNAPSE_POSTGRES = 1
+    TOP={toxinidir}
 
 passenv = *
 
 commands =
     /usr/bin/find "{toxinidir}" -name '*.pyc' -delete
     # Add this so that coverage will run on subprocesses
-    sh -c 'echo "import coverage; coverage.process_startup()" > {envsitepackagesdir}/../sitecustomize.py'
     {envbindir}/coverage run "{envbindir}/trial" {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
 
 # As of twisted 16.4, trial tries to import the tests as a package (previously
@@ -75,8 +76,6 @@ commands =
 # )
 usedevelop=true
 
-
-
 # A test suite for the oldest supported versions of Python libraries, to catch
 # any uses of APIs not available in them.
 [testenv:py35-old]
@@ -88,6 +87,7 @@ deps =
     mock
     lxml
     coverage
+    coverage-enable-subprocess
 
 commands =
     /usr/bin/find "{toxinidir}" -name '*.pyc' -delete
@@ -96,15 +96,11 @@ commands =
     # OpenSSL 1.1 compiled cryptography (as older ones don't compile on Travis).
     /bin/sh -c 'python -m synapse.python_dependencies | sed -e "s/>=/==/g" -e "s/psycopg2==2.6//" -e "s/pyopenssl==16.0.0/pyopenssl==17.0.0/" | xargs -d"\n" pip install'
 
-    # Add this so that coverage will run on subprocesses
-    /bin/sh -c 'echo "import coverage; coverage.process_startup()" > {envsitepackagesdir}/../sitecustomize.py'
-
     # Install Synapse itself. This won't update any libraries.
     pip install -e .
 
     {envbindir}/coverage run "{envbindir}/trial"  {env:TRIAL_FLAGS:} {posargs:tests} {env:TOXSUFFIX:}
 
-
 [testenv:packaging]
 skip_install=True
 deps =
@@ -137,15 +133,15 @@ basepython = python3.6
 [testenv:check-sampleconfig]
 commands = {toxinidir}/scripts-dev/generate_sample_config --check
 
-[testenv:codecov]
+[testenv:combine]
 skip_install = True
 deps =
     coverage
-    codecov
-commands =
+whitelist_externals =
+    bash
+commands=
     coverage combine
-    coverage xml
-    codecov -X gcov
+    coverage report
 
 [testenv:mypy]
 basepython = python3.5
@@ -155,4 +151,4 @@ deps =
 extras = all
 commands = mypy --ignore-missing-imports \
             synapse/logging/_structured.py \
-            synapse/logging/_terse_json.py
+            synapse/logging/_terse_json.py