CI: Use self-hosted Azure GPU runners

.azure/README.md

@@ -0,0 +1,46 @@
+# Creation GPU self-hosted agent pool
+
+## Prepare the machine
+
+This is a slightly modified version of the script from
+https://docs.microsoft.com/en-us/azure/devops/pipelines/agents/docker
+
+```bash
+apt-get update
+apt-get install -y --no-install-recommends \
+    ca-certificates \
+    curl \
+    jq \
+    git \
+    iputils-ping \
+    libcurl4 \
+    libunwind8 \
+    netcat \
+    libssl1.0
+
+curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash
+mkdir /azp
+```
+
+## Stating the agents
+
+```bash
+export TARGETARCH=linux-x64
+export AZP_URL="https://dev.azure.com/Lightning-AI"
+export AZP_TOKEN="xxxxxxxxxxxxxxxxxxxxxxxxxx"
+export AZP_POOL="lit-rtx-3090"
+
+for i in {0..7..2}
+do
+     nohup bash .azure/start.sh \
+        "AZP_AGENT_NAME=litGPU-YX_$i,$((i+1))" \
+        "CUDA_VISIBLE_DEVICES=$i,$((i+1))" \
+     > "agent-$i.log" &
+done
+```
+
+## Check running agents
+
+```bash
+ps aux | grep start.sh
+```

.azure/gpu-tests-lite.yml

@@ -41,12 +41,16 @@ jobs:
     timeoutInMinutes: "20"
     # how much time to give 'run always even if cancelled tasks' before stopping them
     cancelTimeoutInMinutes: "2"
-    pool: azure-jirka-spot
+    pool: lit-rtx-3090
+    variables:
+      DEVICES: $( python -c 'print("$(Agent.Name)".split("_")[-1])' )
     container:
       image: "pytorchlightning/pytorch_lightning:base-cuda-py3.9-torch1.12-cuda11.6.1"
       # default shm size is 64m. Increase it to avoid:
       # 'Error while creating shared memory: unhandled system error, NCCL version 2.7.8'
-      options: "--runtime=nvidia -e NVIDIA_VISIBLE_DEVICES=all --shm-size=512m"
+      # argument `--runtime=nvidia` was deprecated in favor of `--gpus=all`
+      # see: https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4585
+      options: "--gpus=all --shm-size=2gb"
     workspace:
       clean: all
 
@@ -61,6 +65,10 @@ jobs:
         pip list
       displayName: 'Image info & NVIDIA'
 
+    - bash: |
+        echo "##vso[task.setvariable variable=CUDA_VISIBLE_DEVICES]$(DEVICES)"
+      displayName: 'set visible devices'
+
     - bash: |
         set -e
         PYTORCH_VERSION=$(python -c "import torch; print(torch.__version__.split('+')[0])")
@@ -78,8 +86,9 @@ jobs:
 
     - bash: |
         set -e
+        echo $CUDA_VISIBLE_DEVICES
         python requirements/collect_env_details.py
-        python -c "import torch ; mgpu = torch.cuda.device_count() ; assert mgpu >= 2, f'GPU: {mgpu}'"
+        python -c "import torch ; mgpu = torch.cuda.device_count() ; assert mgpu == 2, f'GPU: {mgpu}'"
       displayName: 'Env details'
 
     - bash: python -m coverage run --source lightning_lite -m pytest --ignore benchmarks -v --junitxml=$(Build.StagingDirectory)/test-results.xml --durations=50

.azure/gpu-tests.yml

@@ -67,12 +67,16 @@ jobs:
     timeoutInMinutes: "80"
     # how much time to give 'run always even if cancelled tasks' before stopping them
     cancelTimeoutInMinutes: "2"
-    pool: azure-jirka-spot
+    pool: lit-rtx-3090
+    variables:
+      DEVICES: $( python -c 'print("$(Agent.Name)".split("_")[-1])' )
     container:
       image: $(image)
       # default shm size is 64m. Increase it to avoid:
       # 'Error while creating shared memory: unhandled system error, NCCL version 2.7.8'
-      options: "--runtime=nvidia -e NVIDIA_VISIBLE_DEVICES=all --shm-size=512m"
+      # argument `--runtime=nvidia` was deprecated in favor of `--gpus=all`
+      # see: https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4585
+      options: "--gpus=all --shm-size=2gb"
     workspace:
       clean: all
 
@@ -87,6 +91,10 @@ jobs:
         pip list
       displayName: 'Image info & NVIDIA'
 
+    - bash: |
+        echo "##vso[task.setvariable variable=CUDA_VISIBLE_DEVICES]$(DEVICES)"
+      displayName: 'set visible devices'
+
     - bash: |
         set -e
         python -c "fname = 'requirements/pytorch/strategies.txt' ; lines = [line for line in open(fname).readlines() if 'horovod' not in line] ; open(fname, 'w').writelines(lines)"
@@ -112,16 +120,17 @@ jobs:
 
     - bash: |
         set -e
+        echo $CUDA_VISIBLE_DEVICES
         python requirements/collect_env_details.py
-        python -c "import torch ; mgpu = torch.cuda.device_count() ; assert mgpu >= 2, f'GPU: {mgpu}'"
+        python -c "import torch ; mgpu = torch.cuda.device_count() ; assert mgpu == 2, f'GPU: {mgpu}'"
         python requirements/pytorch/check-avail-strategies.py
         python requirements/pytorch/check-avail-extras.py
       displayName: 'Env details'
 
     - bash: bash .actions/pull_legacy_checkpoints.sh
       displayName: 'Get legacy checkpoints'
 
-    - bash: python -m coverage run --source pytorch_lightning -m pytest
+    - bash: python -m coverage run --source pytorch_lightning -m pytest .
       workingDirectory: src/pytorch_lightning
       displayName: 'Testing: PyTorch doctests'
 

dockers/ci-runner-hpu/start.sh → .azure/start.sh

@@ -5,6 +5,15 @@
 
 set -e
 
+# export all args as env variables
+for var in "$@"
+do
+    echo "$var"
+    eval "export $var"
+done
+
+printenv
+
 if [ -z "$AZP_URL" ]; then
   echo 1>&2 "error: missing AZP_URL environment variable"
   exit 1
@@ -26,9 +35,9 @@ if [ -n "$AZP_WORK" ]; then
   mkdir -p "$AZP_WORK"
 fi
 
-rm -rf /azp/agent
-mkdir /azp/agent
-cd /azp/agent
+rm -rf /azp/agent-$AZP_AGENT_NAME
+mkdir /azp/agent-$AZP_AGENT_NAME
+cd /azp/agent-$AZP_AGENT_NAME
 
 export AGENT_ALLOW_RUNASROOT="1"
 
@@ -74,7 +83,7 @@ curl -LsS $AZP_AGENTPACKAGE_URL | tar -xz & wait $!
 
 source ./env.sh
 
-print_header "3. Configuring Azure Pipelines agent..."
+print_header "3. Configuring Azure Pipelines agent $AZP_AGENT_NAME..."
 
 ./config.sh --unattended \
   --agent "${AZP_AGENT_NAME:-$(hostname)}" \

dockers/ci-runner-hpu/Dockerfile

@@ -59,7 +59,7 @@ RUN pip uninstall pytorch-lightning -y
 
 WORKDIR /azp
 
-COPY ./dockers/ci-runner-hpu/start.sh /usr/local/bin/
+COPY ./.azure/start.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/start.sh
 
 ENTRYPOINT ["/usr/local/bin/start.sh"]

dockers/ci-runner-ipu/Dockerfile

@@ -23,7 +23,7 @@ RUN echo "ALL ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 
 WORKDIR /azp
 
-COPY ./dockers/ci-runner-ipu/start.sh /usr/local/bin/
+COPY ./.azure/start.sh /usr/local/bin/
 
 RUN curl -o /usr/local/bin/installdependencies.sh \
     "https://raw.githubusercontent.com/microsoft/azure-pipelines-agent/d2acd5f77c6b3914cdb6ed0e5fbea672929c7da9/src/Misc/layoutbin/installdependencies.sh" && \