Create Azure pipeline for multi-node tests (#97)

Create Azure pipeline to run mscclpp-test on multi-nodes

.azure-pipelines/multi-nodes-test.yml

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+trigger:
+- main
+
+# Do not run multi-nodes-test for PR, we can trigger it manually
+pr: none
+
+pool:
+  name: mscclpp-it
+container:
+  image: ghcr.io/microsoft/mscclpp/mscclpp:base-cuda12.1
+
+steps:
+- task: Bash@3
+  name: Build
+  displayName: Build
+  inputs:
+    targetType: 'inline'
+    script: |
+      curl -L https://github.com/Kitware/CMake/releases/download/v3.26.4/cmake-3.26.4-linux-x86_64.tar.gz -o /tmp/cmake-3.26.4-linux-x86_64.tar.gz
+      tar xzf /tmp/cmake-3.26.4-linux-x86_64.tar.gz -C /tmp
+      mkdir build && cd build
+      MPI_HOME=/usr/local/mpi /tmp/cmake-3.26.4-linux-x86_64/bin/cmake -DCMAKE_BUILD_TYPE=Release ..
+      make -j
+    workingDirectory: '$(System.DefaultWorkingDirectory)'
+
+- task: DownloadSecureFile@1
+  name: SshKeyFile
+  displayName: Download key file
+  inputs:
+    secureFile: ssh.key
+
+- task: Bash@3
+  name: InstallPackages
+  displayName: Install Packages
+  inputs:
+    targetType: 'inline'
+    script: |
+      sudo apt-get update -y
+      sudo apt-get install pssh -y
+      curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash
+
+- task: AzureCLI@2
+  name: StartVMSS
+  displayName: Start VMSS
+  inputs:
+    azureSubscription: mscclpp
+    scriptType: bash
+    scriptLocation: inlineScript
+    inlineScript: |
+      az vmss start --name mscclpp-it-vmss --resource-group msccl-dev
+
+- task: Bash@3
+  name: DeployTestEnv
+  displayName: Deploy Test Env
+  inputs:
+    targetType: filePath
+    filePath: test/mscclpp-test/deploy/deploy.sh
+    workingDirectory: '$(System.DefaultWorkingDirectory)'
+
+- task: Bash@3
+  name: RunTests
+  displayName: Run multi-nodes test
+  inputs:
+    targetType: 'inline'
+    script: |
+      HOSTFILE=$(System.DefaultWorkingDirectory)/test/mscclpp-test/deploy/hostfile
+      SSH_OPTION="StrictHostKeyChecking=no"
+      KeyFilePath=${SSHKEYFILE_SECUREFILEPATH}
+      mkdir -p output
+      touch output/mscclpp-it-000000
+      tail -f output/mscclpp-it-000000 &
+      parallel-ssh -i -t 0 -H mscclpp-it-000000 -l azureuser -x "-i ${KeyFilePath}" \
+      -O $SSH_OPTION -o output 'sudo docker exec -t mscclpp-test bash /root/mscclpp/run_tests.sh'
+
+- task: AzureCLI@2
+  name: StopVMSS
+  displayName: Deallocate VMSS
+  condition: always()
+  inputs:
+    azureSubscription: mscclpp
+    scriptType: bash
+    scriptLocation: inlineScript
+    inlineScript: |
+      az vmss deallocate  --name mscclpp-it-vmss --resource-group msccl-dev

test/mscclpp-test/deploy/config

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+Host mscclpp-it-000000
+  Port 22345
+  IdentityFile /root/mscclpp/sshkey
+  StrictHostKeyChecking no
+Host mscclpp-it-000001
+  Port 22345
+  IdentityFile /root/mscclpp/sshkey
+  StrictHostKeyChecking no

test/mscclpp-test/deploy/deploy.sh

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+set -e
+
+KeyFilePath=${SSHKEYFILE_SECUREFILEPATH}
+SRC_DIR="${SYSTEM_DEFAULTWORKINGDIRECTORY}/build"
+DST_DIR="/tmp/mscclpp"
+HOSTFILE="${SYSTEM_DEFAULTWORKINGDIRECTORY}/test/mscclpp-test/deploy/hostfile"
+DEPLOY_DIR="${SYSTEM_DEFAULTWORKINGDIRECTORY}/test/mscclpp-test/deploy"
+SSH_OPTION="StrictHostKeyChecking=no"
+
+chmod 400 ${KeyFilePath}
+ssh-keygen -t rsa -f sshkey -P ""
+
+while true; do
+  set +e
+  parallel-ssh -i -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION "hostname"
+  if [ $? -eq 0 ]; then
+    break
+  fi
+  echo "Waiting for sshd to start..."
+  sleep 5
+done
+
+set -e
+parallel-ssh -i -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION "rm -rf ${DST_DIR}"
+parallel-ssh -i -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION "mkdir -p ${DST_DIR}"
+parallel-scp -t 0 -r -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION ${SRC_DIR} ${DST_DIR}
+
+parallel-scp -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION sshkey ${DST_DIR}
+parallel-scp -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION sshkey.pub ${DST_DIR}
+parallel-scp -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION ${DEPLOY_DIR}/* ${DST_DIR}
+
+parallel-ssh -i -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION \
+  "sudo docker run --rm -itd --privileged --net=host --ipc=host --gpus=all \
+  -w /root -v ${DST_DIR}:/root/mscclpp --name=mscclpp-test \
+  --entrypoint /bin/bash ghcr.io/microsoft/mscclpp/mscclpp:base-cuda12.1"
+parallel-ssh -i -t 0 -h ${HOSTFILE} -x "-i ${KeyFilePath}" -O $SSH_OPTION \
+  "sudo docker exec -t --user root mscclpp-test bash '/root/mscclpp/setup.sh'"
+

test/mscclpp-test/deploy/hostfile

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+azureuser@mscclpp-it-000000
+azureuser@mscclpp-it-000001

test/mscclpp-test/deploy/hostfile_mpi

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+mscclpp-it-000000
+mscclpp-it-000001

test/mscclpp-test/deploy/run_tests.sh

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+set -e
+
+echo "=================Run allgather_test_perf on 2 nodes========================="
+/usr/local/mpi/bin/mpirun --allow-run-as-root -np 16 --bind-to numa -hostfile /root/mscclpp/hostfile_mpi \
+  -x MSCCLPP_DEBUG=WARN -x LD_LIBRARY_PATH=/root/mscclpp/build:$LD_LIBRARY_PATH \
+  -npernode 8 /root/mscclpp/build/test/mscclpp-test/allgather_test_perf -b 1K -e 1G -f 2 -k 0
+
+# For kernel 2, the message size must can be divided by 3
+/usr/local/mpi/bin/mpirun --allow-run-as-root -np 16 --bind-to numa -hostfile /root/mscclpp/hostfile_mpi \
+  -x MSCCLPP_DEBUG=WARN -x LD_LIBRARY_PATH=/root/mscclpp/build:$LD_LIBRARY_PATH \
+  -npernode 8 /root/mscclpp/build/test/mscclpp-test/allgather_test_perf -b 3K -e 3G -f 2 -k 2
+
+echo "==================Run alltoall_test_perf on 2 nodes========================="
+/usr/local/mpi/bin/mpirun --allow-run-as-root -np 16 --bind-to numa -hostfile /root/mscclpp/hostfile_mpi \
+  -x MSCCLPP_DEBUG=WARN -x LD_LIBRARY_PATH=/root/mscclpp/build:$LD_LIBRARY_PATH \
+  -npernode 8 /root/mscclpp/build/test/mscclpp-test/alltoall_test_perf -b 1K -e 1G -f 2 -k 0

test/mscclpp-test/deploy/setup.sh

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+set -e
+
+mkdir -p /root/.ssh
+mv /root/mscclpp/sshkey.pub /root/.ssh/authorized_keys
+chown root:root /root/.ssh/authorized_keys
+mv /root/mscclpp/config /root/.ssh/config
+chown root:root /root/.ssh/config
+chmod 400 /root/mscclpp/sshkey
+chown root:root /root/mscclpp/sshkey
+
+apt-get update -y
+apt-get install openssh-server -y
+
+mkdir -p /var/run/sshd
+/usr/sbin/sshd -p 22345