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fix(workspace): default PLATFORM_URL to host.docker.internal in all modules (#475)

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Co-authored-by: Molecule AI Infra-Runtime-BE <infra-runtime-be@agents.moleculesai.app>
Co-committed-by: Molecule AI Infra-Runtime-BE <infra-runtime-be@agents.moleculesai.app>
This commit is contained in:
Molecule AI · infra-runtime-be 2026-05-11 15:17:53 +00:00 committed by Molecule AI · core-lead
parent 635a42745a
commit c4dcfbb089
3 changed files with 24 additions and 12 deletions
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8
workspace/a2a_cli.py
View File

@ -25,10 +25,10 @@ _WORKSPACE_ID_raw = os.environ.get("WORKSPACE_ID")
if not _WORKSPACE_ID_raw:
raise RuntimeError("WORKSPACE_ID environment variable is required but not set")
WORKSPACE_ID = _WORKSPACE_ID_raw
if os.path.exists("/.dockerenv") or os.environ.get("DOCKER_VERSION"):
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://host.docker.internal:8080")
else:
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://localhost:8080")
# Platform URL: always host.docker.internal inside containers. The platform API
# is only reachable via the Docker network mesh from inside a workspace
# container regardless of the runtime environment (Docker/host).
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://host.docker.internal:8080")
async def discover(target_id: str) -> dict | None:

8
workspace/a2a_client.py
View File

@ -26,10 +26,10 @@ _WORKSPACE_ID_raw = os.environ.get("WORKSPACE_ID")
if not _WORKSPACE_ID_raw:
raise RuntimeError("WORKSPACE_ID environment variable is required but not set")
WORKSPACE_ID = _WORKSPACE_ID_raw
if os.path.exists("/.dockerenv") or os.environ.get("DOCKER_VERSION"):
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://host.docker.internal:8080")
else:
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://localhost:8080")
# Platform URL: always host.docker.internal inside containers. The platform API
# is only reachable via the Docker network mesh from inside a workspace
# container regardless of the runtime environment (Docker/host).
PLATFORM_URL = os.environ.get("PLATFORM_URL", "http://host.docker.internal:8080")
# Cache workspace ID → name mappings (populated by list_peers calls)
_peer_names: dict[str, str] = {}

20
workspace/builtin_tools/temporal_workflow.py
View File

@ -54,6 +54,18 @@ import httpx
logger = logging.getLogger(__name__)
def _platform_url() -> str:
"""Return the platform URL, defaulting to host.docker.internal.
The workspace runtime always runs inside a Docker container, so
``localhost`` refers to the container itself, not the platform host.
The platform API is only reachable via ``host.docker.internal`` from
within a workspace container, regardless of how the container was started.
"""
return os.environ.get("PLATFORM_URL", "http://host.docker.internal:8080")
# ─────────────────────────────────────────────────────────────────────────────
# Constants
# ─────────────────────────────────────────────────────────────────────────────
@ -79,12 +91,12 @@ async def _fetch_latest_checkpoint(workspace_id: str) -> Optional[dict]:
workspace_id: The workspace to query.
Reads:
PLATFORM_URL Platform base URL (default ``http://localhost:8080``).
PLATFORM_URL Platform base URL (default ``http://host.docker.internal:8080``).
"""
try:
from platform_auth import auth_headers as _auth_headers # type: ignore[import]
platform_url = os.environ.get("PLATFORM_URL", "http://localhost:8080")
platform_url = _platform_url()
url = f"{platform_url}/workspaces/{workspace_id}/checkpoints/latest"
async with httpx.AsyncClient(timeout=5.0) as client:
resp = await client.get(url, headers=_auth_headers())
@ -125,12 +137,12 @@ async def _save_checkpoint(
payload: Optional JSON-serialisable dict stored as JSONB.
Reads:
PLATFORM_URL Platform base URL (default ``http://localhost:8080``).
PLATFORM_URL Platform base URL (default ``http://host.docker.internal:8080``).
"""
try:
from platform_auth import auth_headers as _auth_headers # type: ignore[import]
platform_url = os.environ.get("PLATFORM_URL", "http://localhost:8080")
platform_url = _platform_url()
url = f"{platform_url}/workspaces/{workspace_id}/checkpoints"
body: dict = {
"workflow_id": workflow_id,