From 9a53d047afbc02c0aa63f973fa49b7b3363fb39a Mon Sep 17 00:00:00 2001
From: Andrey Anshin <Andrey.Anshin@taragol.is>
Date: Tue, 22 Aug 2023 06:09:47 +0400
Subject: [PATCH 1/2] Add random suffix for coverage reports

---
 Dockerfile.ci                   | 3 ++-
 scripts/docker/entrypoint_ci.sh | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Dockerfile.ci b/Dockerfile.ci
index a4503f2d7cd59..25ff6f5a1def4 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1020,10 +1020,11 @@ else
 fi
 
 if [[ ${ENABLE_TEST_COVERAGE:="false"} == "true" ]]; then
+    _suffix="$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 8)"
     EXTRA_PYTEST_ARGS+=(
         "--cov=airflow"
         "--cov-config=pyproject.toml"
-        "--cov-report=xml:/files/coverage-${TEST_TYPE/\[*\]/}-${BACKEND}.xml"
+        "--cov-report=xml:/files/coverage-${TEST_TYPE/\[*\]/}-${BACKEND}-${_suffix}.xml"
     )
 fi
 
diff --git a/scripts/docker/entrypoint_ci.sh b/scripts/docker/entrypoint_ci.sh
index f08e2eac21ace..67eb96defc2f3 100755
--- a/scripts/docker/entrypoint_ci.sh
+++ b/scripts/docker/entrypoint_ci.sh
@@ -400,10 +400,11 @@ else
 fi
 
 if [[ ${ENABLE_TEST_COVERAGE:="false"} == "true" ]]; then
+    _suffix="$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 8)"
     EXTRA_PYTEST_ARGS+=(
         "--cov=airflow"
         "--cov-config=pyproject.toml"
-        "--cov-report=xml:/files/coverage-${TEST_TYPE/\[*\]/}-${BACKEND}.xml"
+        "--cov-report=xml:/files/coverage-${TEST_TYPE/\[*\]/}-${BACKEND}-${_suffix}.xml"
     )
 fi
 

From 06c1f0dea7e41a3501d1e96a7fc50d9e5977da8d Mon Sep 17 00:00:00 2001
From: Andrey Anshin <Andrey.Anshin@taragol.is>
Date: Tue, 22 Aug 2023 17:10:15 +0400
Subject: [PATCH 2/2] Minor tweaks: enable MySQL coverage, disable Helm,
 increase color range

---
 .github/workflows/ci.yml | 3 ++-
 codecov.yml              | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2c022c308cfe..a716ca2f78d33 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -886,7 +886,7 @@ jobs:
       DB_RESET: "false"
       PYTHON_MAJOR_MINOR_VERSION: "${{needs.build-info.outputs.default-python-version}}"
       JOB_ID: "helm-tests"
-      COVERAGE: "${{needs.build-info.outputs.run-coverage}}"
+      COVERAGE: "false"  # We do not need to run coverage on Helm tests
     if: >
       needs.build-info.outputs.needs-helm-tests == 'true' &&
       (github.repository == 'apache/airflow' || github.event_name != 'schedule') &&
@@ -1089,6 +1089,7 @@ jobs:
       MYSQL_VERSION: "${{matrix.mysql-version}}"
       BACKEND_VERSION: "${{matrix.mysql-version}}"
       JOB_ID: "mysql-${{matrix.mysql-version}}-${{matrix.python-version}}"
+      COVERAGE: "${{needs.build-info.outputs.run-coverage}}"
     if: needs.build-info.outputs.run-tests == 'true'
     steps:
       - name: Cleanup repo
diff --git a/codecov.yml b/codecov.yml
index 3caf236b58be9..e78b83b58206b 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -25,7 +25,7 @@ codecov:
 coverage:
   precision: 2
   round: down
-  range: 55..80
+  range: 60..85
   status:
     project:
       default: