DRIVERS-3077 Drop support for Python 3.8 (#567)

Co-authored-by: Noah Stapp <[email protected]>

.evergreen/config.yml

@@ -1381,7 +1381,6 @@ buildvariants:
   display_name: Docker
   run_on:
     - ubuntu2204-small
-    - macos-14
   tasks:
     - ".docker"  # Run all tasks with the "docker" tag
 

.evergreen/docker/README.md

@@ -45,17 +45,13 @@ Note that the default `TOPOLOGY` is [`servers`](https://github.com/mongodb-labs/
 TOPOLOGY=replica_set ORCHESTRATION_FILE=auth.json bash ./run-server.sh
 ```
 
-If you want to test server versions older than 4.4, you can use the 18.04 image, e.g.:
+If you want to test server versions older than 4.4, you can use the rhel8 image, e.g.:
 
-```bash
-TOPOLOGY=sharded_cluster MONGODB_VERSION=4.2 TARGET_IMAGE=ubuntu18.04 ./run-server.sh
-```
-
-You must also specify `ARCH=amd64` in order to run MongoDB 3.6 and 4.0, since `aarch` support
-is not available in Ubuntu 18.04 for those versions.
+You must also specify `ARCH=amd64` in order to run MongoDB versions older than 4.4 on RHEL8, since `aarch` support
+is not available in RHEL8 for those versions.
 
 ```bash
-ARCH=amd64 TOPOLOGY=sharded_cluster MONGODB_VERSION=3.6 TARGET_IMAGE=ubuntu18.04 ./run-server.sh
+ARCH=amd64 TOPOLOGY=sharded_cluster MONGODB_VERSION=4.2 TARGET_IMAGE=rhel8 ./run-server.sh
 ```
 
 ### Get Logs

.evergreen/docker/rhel8/Dockerfile

@@ -0,0 +1,38 @@
+FROM registry.access.redhat.com/ubi8/ubi:8.4
+
+# Install mongodb 4.4 server to get older deps.
+RUN echo -e "\
+[mongodb-enterprise-4.4] \n\
+name=MongoDB Enterprise Repository \n\
+baseurl=https://repo.mongodb.com/yum/redhat/8/mongodb-enterprise/4.4/$(uname -m)/ \n\
+enabled         = 1 \n\
+gpgkey=https://pgp.mongodb.com/server-4.4.asc \n\
+gpgcheck        = 1\
+" > /etc/yum.repos.d/mongodb-enterprise-4.4.repo
+
+RUN dnf update -y && \
+  dnf install -y \
+    git \
+    ca-certificates \
+    curl \
+    wget \
+    sudo \
+    make \
+    gnupg \
+    python3.9 \
+    mongodb-enterprise \
+    lsof < /dev/null > /dev/null
+
+# Alias python3 -> python3.9
+RUN ln -f -s /usr/bin/python3.9 /usr/bin/python3
+
+ARG USER_ID
+ARG GROUP_ID
+
+ENV DRIVERS_TOOLS=/root/drivers-tools
+ENV MONGO_ORCHESTRATION_HOME=/root/drivers-tools/.evergreen/orchestration
+ENV MONGODB_BINARIES=/root/drivers-tools/mongodb/bin
+ENV DOCKER_RUNNING=true
+
+COPY . /root/drivers-tools
+COPY .evergreen/docker/rhel8/*.sh /root

.evergreen/docker/ubuntu20.04/Dockerfile

@@ -10,14 +10,21 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
   sudo \
   gnupg \
   python \
-  python3 \
-  python3.8-venv \
   lsof \
   software-properties-common \
   libsnmp35 \
   net-tools < /dev/null > /dev/null \
  && rm -rf /var/lib/apt/lists/*
 
+# Install python 3.9 from ppa
+RUN export DEBIAN_FRONTEND=noninteractive \
+&& export TZ=Etc/UTC \
+&& add-apt-repository ppa:deadsnakes/ppa \
+&& apt-get -qq update \
+&& apt-get -qq -y install python3.9 python3.9-venv python3-venv < /dev/null > /dev/null \
+&& ln -sf /usr/bin/python3.9 /usr/bin/python3 \
+&& rm -rf /var/lib/apt/lists/*
+
 ARG USER_ID
 ARG GROUP_ID
 

.evergreen/find-python3.sh

@@ -57,8 +57,9 @@ is_python3() (
     return 1
   fi
 
+  # The minimum version we support is Python 3.9.  All other versions are EOL.
   # shellcheck disable=SC2091
-  if ! $("$bin" -c "import sys; exit(sys.version_info[0] == 3 and sys.version_info[1] < 8)"); then
+  if ! $("$bin" -c "import sys; exit(sys.version_info[0] == 3 and sys.version_info[1] < 9)"); then
     version=$($bin --version)
     echo "Detected EOL Python ${version}, skipping."
     return 1

.evergreen/pyproject.toml

@@ -6,7 +6,7 @@ build-backend = "hatchling.build"
 name = "drivers-evergreen-tools"
 version = "0.1.0"
 description = 'Scripts for drivers-evergreen-tools'
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = "MIT"
 keywords = []
 authors = [

.evergreen/tests/test-csfle.sh

@@ -29,7 +29,7 @@ if [[ "$(uname -s)" == CYGWIN* ]]; then
 fi
 
 # Test with supported pythons
-pythons="3.8 3.9 3.10 3.11 3.12 3.13"
+pythons="3.9 3.10 3.11 3.12 3.13"
 for python in $pythons; do
   if [ "$(uname -s)" = "Darwin" ]; then
     PYTHON_BINARY="/Library/Frameworks/Python.Framework/Versions/$python/bin/python3"