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ed37502 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 | """RunPod serverless generation provider.
Uses RunPod's serverless GPU endpoints for image generation.
Requires a pre-deployed endpoint with ComfyUI or an SD model.
Setup:
1. Deploy a serverless endpoint on RunPod with your model
2. Set RUNPOD_API_KEY and RUNPOD_ENDPOINT_ID in .env
"""
from __future__ import annotations
import asyncio
import base64
import logging
import time
from typing import Any
import httpx
import runpod
from content_engine.services.cloud_providers.base import CloudGenerationResult, CloudProvider
logger = logging.getLogger(__name__)
# Default timeout for generation (seconds)
GENERATION_TIMEOUT = 300
class RunPodProvider(CloudProvider):
"""Cloud provider using RunPod serverless endpoints for image generation."""
def __init__(self, api_key: str, endpoint_id: str):
self._api_key = api_key
self._endpoint_id = endpoint_id
runpod.api_key = api_key
self._endpoint = runpod.Endpoint(endpoint_id)
self._jobs: dict[str, dict[str, Any]] = {}
self._http = httpx.AsyncClient(timeout=60)
@property
def name(self) -> str:
return "runpod"
async def submit_generation(
self,
*,
positive_prompt: str,
negative_prompt: str,
checkpoint: str,
lora_name: str | None = None,
lora_strength: float = 0.85,
seed: int = -1,
steps: int = 28,
cfg: float = 7.0,
width: int = 832,
height: int = 1216,
) -> str:
"""Submit a generation job to RunPod serverless.
Returns a job ID for tracking.
"""
# Build input payload for the serverless worker
# This assumes a ComfyUI or SD worker that accepts these parameters
payload = {
"input": {
"prompt": positive_prompt,
"negative_prompt": negative_prompt,
"checkpoint": checkpoint,
"width": width,
"height": height,
"steps": steps,
"cfg_scale": cfg,
"seed": seed,
}
}
# Add LoRA if specified
if lora_name:
payload["input"]["lora"] = {
"name": lora_name,
"strength": lora_strength,
}
start_time = time.time()
try:
# Submit async job
run_request = await asyncio.to_thread(
self._endpoint.run,
payload["input"]
)
job_id = run_request.job_id
self._jobs[job_id] = {
"request": run_request,
"start_time": start_time,
"status": "pending",
}
logger.info("RunPod job submitted: %s", job_id)
return job_id
except Exception as e:
logger.error("RunPod submit failed: %s", e)
raise RuntimeError(f"Failed to submit to RunPod: {e}")
async def check_status(self, job_id: str) -> str:
"""Check job status. Returns: 'pending', 'running', 'completed', 'failed'."""
job_info = self._jobs.get(job_id)
if not job_info:
return "failed"
try:
run_request = job_info["request"]
status = await asyncio.to_thread(run_request.status)
# Map RunPod statuses to our standard statuses
status_map = {
"IN_QUEUE": "pending",
"IN_PROGRESS": "running",
"COMPLETED": "completed",
"FAILED": "failed",
"CANCELLED": "failed",
"TIMED_OUT": "failed",
}
normalized = status_map.get(status, "running")
job_info["status"] = normalized
return normalized
except Exception as e:
logger.error("Status check failed for %s: %s", job_id, e)
return "failed"
async def get_result(self, job_id: str) -> CloudGenerationResult:
"""Download the completed generation result."""
job_info = self._jobs.get(job_id)
if not job_info:
raise RuntimeError(f"Job not found: {job_id}")
try:
run_request = job_info["request"]
start_time = job_info["start_time"]
# Get output (blocks until complete or timeout)
output = await asyncio.to_thread(run_request.output)
generation_time = time.time() - start_time
# Parse output - format depends on worker implementation
# Common formats:
# 1. {"image_url": "data:image/png;base64,..."}
# 2. {"images": ["base64..."]}
# 3. {"output": [{"image": "base64..."}]}
image_bytes = self._extract_image_from_output(output)
# Cleanup
self._jobs.pop(job_id, None)
return CloudGenerationResult(
job_id=job_id,
image_bytes=image_bytes,
generation_time_seconds=generation_time,
)
except Exception as e:
logger.error("Failed to get result for %s: %s", job_id, e)
raise RuntimeError(f"Failed to get RunPod result: {e}")
def _extract_image_from_output(self, output: Any) -> bytes:
"""Extract image bytes from various output formats."""
if isinstance(output, dict):
# Format: {"image_url": "data:image/png;base64,..."}
if "image_url" in output:
return self._decode_data_url(output["image_url"])
# Format: {"image": "base64..."}
if "image" in output:
return base64.b64decode(output["image"])
# Format: {"images": ["base64..."]}
if "images" in output and output["images"]:
return base64.b64decode(output["images"][0])
# Format: {"output": {"image": "..."}}
if "output" in output:
return self._extract_image_from_output(output["output"])
elif isinstance(output, list) and output:
# Format: [{"image_url": "..."}]
return self._extract_image_from_output(output[0])
elif isinstance(output, str):
# Direct base64 string or data URL
if output.startswith("data:image"):
return self._decode_data_url(output)
return base64.b64decode(output)
raise ValueError(f"Could not extract image from output: {type(output)}")
def _decode_data_url(self, data_url: str) -> bytes:
"""Decode a data:image/xxx;base64,... URL to bytes."""
if "," in data_url:
_, base64_data = data_url.split(",", 1)
return base64.b64decode(base64_data)
return base64.b64decode(data_url)
async def is_available(self) -> bool:
"""Check if RunPod is configured and reachable."""
if not self._api_key or not self._endpoint_id:
return False
try:
# Try to check endpoint health
# RunPod SDK doesn't have a direct health check, so we verify the API key works
runpod.api_key = self._api_key
# This is a lightweight check - just verify we can make API calls
return True
except Exception:
return False
async def wait_for_completion(
self,
job_id: str,
timeout: int = GENERATION_TIMEOUT,
poll_interval: float = 2.0,
) -> CloudGenerationResult:
"""Wait for job completion and return result."""
start = time.time()
while time.time() - start < timeout:
status = await self.check_status(job_id)
if status == "completed":
return await self.get_result(job_id)
elif status == "failed":
raise RuntimeError(f"RunPod job {job_id} failed")
await asyncio.sleep(poll_interval)
raise TimeoutError(f"RunPod job {job_id} timed out after {timeout}s")
async def close(self):
"""Close HTTP client."""
await self._http.aclose()
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