skypilot-multi-cloud-orchestration

# Task name (optional)
name: my-task
 
# Resource requirements
resources:
  cloud: aws              # Optional: auto-select if omitted
  region: us-west-2       # Optional: auto-select if omitted
  accelerators: A100:4    # GPU type and count
  cpus: 8+                # Minimum CPUs
  memory: 32+             # Minimum memory (GB)
  use_spot: true          # Use spot instances
  disk_size: 256          # Disk size (GB)
 
# Number of nodes for distributed training
num_nodes: 2
 
# Working directory (synced to ~/sky_workdir)
workdir: .
 
# Setup commands (run once)
setup: |
  pip install -r requirements.txt
 
# Run commands
run: |
  python train.py

# NVIDIA GPUs
accelerators: T4:1
accelerators: L4:1
accelerators: A10G:1
accelerators: L40S:1
accelerators: A100:4
accelerators: A100-80GB:8
accelerators: H100:8
 
# Cloud-specific
accelerators: V100:4         # AWS/GCP
accelerators: TPU-v4-8       # GCP TPUs

resources:
  accelerators:
    H100: 8
    A100-80GB: 8
    A100: 8
  any_of:
    - cloud: gcp
    - cloud: aws
    - cloud: azure

resources:
  accelerators: A100:8
  use_spot: true
  spot_recovery: FAILOVER  # Auto-recover on preemption

# Launch new cluster
sky launch -c mycluster task.yaml
 
# Run on existing cluster (skip setup)
sky exec mycluster another_task.yaml
 
# Interactive SSH
ssh mycluster
 
# Stream logs
sky logs mycluster

resources:
  accelerators: A100:4
  autostop:
    idle_minutes: 30
    down: true  # Terminate instead of stop

# Set autostop via CLI
sky autostop mycluster -i 30 --down

# All clusters
sky status
 
# Detailed view
sky status -a

resources:
  accelerators: A100:8
 
num_nodes: 4  # 4 nodes × 8 GPUs = 32 GPUs total
 
setup: |
  pip install torch torchvision
 
run: |
  torchrun \
    --nnodes=$SKYPILOT_NUM_NODES \
    --nproc_per_node=$SKYPILOT_NUM_GPUS_PER_NODE \
    --node_rank=$SKYPILOT_NODE_RANK \
    --master_addr=$(echo "$SKYPILOT_NODE_IPS" | head -n1) \
    --master_port=12355 \
    train.py

run: |
  if [ "${SKYPILOT_NODE_RANK}" == "0" ]; then
    python orchestrate.py
  fi

# Launch managed job with spot recovery
sky jobs launch -n my-job train.yaml

name: training-job
 
file_mounts:
  /checkpoints:
    name: my-checkpoints
    store: s3
    mode: MOUNT
 
resources:
  accelerators: A100:8
  use_spot: true
 
run: |
  python train.py \
    --checkpoint-dir /checkpoints \
    --resume-from-latest

# List jobs
sky jobs queue
 
# View logs
sky jobs logs my-job
 
# Cancel job
sky jobs cancel my-job

workdir: ./my-project  # Synced to ~/sky_workdir
 
file_mounts:
  /data/config.yaml: ./config.yaml
  ~/.vimrc: ~/.vimrc

file_mounts:
  # Mount S3 bucket
  /datasets:
    source: s3://my-bucket/datasets
    mode: MOUNT  # Stream from S3
 
  # Copy GCS bucket
  /models:
    source: gs://my-bucket/models
    mode: COPY  # Pre-fetch to disk
 
  # Cached mount (fast writes)
  /outputs:
    name: my-outputs
    store: s3
    mode: MOUNT_CACHED

# service.yaml
service:
  readiness_probe: /health
  replica_policy:
    min_replicas: 1
    max_replicas: 10
    target_qps_per_replica: 2.0
 
resources:
  accelerators: A100:1
 
run: |
  python -m vllm.entrypoints.openai.api_server \
    --model meta-llama/Llama-2-7b-chat-hf \
    --port 8000

# Deploy
sky serve up -n my-service service.yaml
 
# Check status
sky serve status
 
# Get endpoint
sky serve status my-service

service:
  replica_policy:
    min_replicas: 1
    max_replicas: 10
    target_qps_per_replica: 2.0
    upscale_delay_seconds: 60
    downscale_delay_seconds: 300
  load_balancing_policy: round_robin

# SkyPilot finds cheapest option
resources:
  accelerators: A100:8
  # No cloud specified - auto-select cheapest

# Show optimizer decision
sky launch task.yaml --dryrun

resources:
  accelerators: A100:8
  any_of:
    - cloud: gcp
      region: us-central1
    - cloud: aws
      region: us-east-1
    - cloud: azure

envs:
  HF_TOKEN: $HF_TOKEN  # Inherited from local env
  WANDB_API_KEY: $WANDB_API_KEY
 
# Or use secrets
secrets:
  - HF_TOKEN
  - WANDB_API_KEY

name: llm-finetune
 
file_mounts:
  /checkpoints:
    name: finetune-checkpoints
    store: s3
    mode: MOUNT_CACHED
 
resources:
  accelerators: A100:8
  use_spot: true
 
setup: |
  pip install transformers accelerate
 
run: |
  python train.py \
    --checkpoint-dir /checkpoints \
    --resume

name: hp-sweep-${RUN_ID}
 
envs:
  RUN_ID: 0
  LEARNING_RATE: 1e-4
  BATCH_SIZE: 32
 
resources:
  accelerators: A100:1
  use_spot: true
 
run: |
  python train.py \
    --lr $LEARNING_RATE \
    --batch-size $BATCH_SIZE \
    --run-id $RUN_ID

# Launch multiple jobs
for i in {1..10}; do
  sky jobs launch sweep.yaml \
    --env RUN_ID=$i \
    --env LEARNING_RATE=$(python -c "import random; print(10**random.uniform(-5,-3))")
done

# SSH to cluster
ssh mycluster
 
# View logs
sky logs mycluster
 
# Check job queue
sky queue mycluster
 
# View managed job logs
sky jobs logs my-job