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Refresh OpenShell CI token during long evals #104

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Refresh OpenShell CI token during long evals #104

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cb3aa18
Refresh OpenShell CI OIDC token during long evaluations
tarun-etikala Oct 2, 2026
0688340
Keep refreshed OIDC responses private
tarun-etikala Oct 2, 2026
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40 changes: 40 additions & 0 deletions pipeline/tasks/phases/evaluate.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1826,6 +1826,46 @@ spec:
PY
chmod 600 "$HOME/.config/openshell/gateways/$GW_NAME/oidc_token.json"
echo "OpenShell OIDC token cache populated via client credentials"
# A case can run for 15 minutes, while the client-credentials token
# expires after roughly five. Refresh the CLI cache throughout this
# step so later artifact downloads and sandbox creation stay authorized.
OIDC_TOKEN_CACHE="$HOME/.config/openshell/gateways/$GW_NAME/oidc_token.json"
(
umask 077
trap 'rm -f "${OIDC_TOKEN_JSON}.refresh"' EXIT
while sleep 120; do
if curl -ksSf --max-time 20 \
-u "${OPENSHELL_OIDC_CLIENT_ID}:${OPENSHELL_OIDC_CLIENT_SECRET}" \
-d grant_type=client_credentials \
"${OPENSHELL_OIDC_ISSUER%/}/protocol/openid-connect/token" \
>"${OIDC_TOKEN_JSON}.refresh" 2>/dev/null; then
python3 - "${OIDC_TOKEN_JSON}.refresh" "$OIDC_TOKEN_CACHE" \
"$OPENSHELL_OIDC_ISSUER" "$OPENSHELL_OIDC_CLIENT_ID" <<'REFRESH' || true
import json, os, sys, tempfile, time
src, dst, issuer, client_id = sys.argv[1:]
with open(src, encoding="utf-8") as stream:
payload = json.load(stream)
cache = {"access_token": payload["access_token"],
"expires_at": int(time.time()) + int(payload.get("expires_in", 300)),
"issuer": issuer, "client_id": client_id}
fd, tmp = tempfile.mkstemp(dir=os.path.dirname(dst), prefix=".oidc-token-")
try:
with os.fdopen(fd, "w", encoding="utf-8") as stream:
json.dump(cache, stream)
os.chmod(tmp, 0o600)
os.replace(tmp, dst)
finally:
if os.path.exists(tmp):
os.unlink(tmp)
REFRESH
else
echo "WARN: OpenShell OIDC token refresh failed; retrying" >&2
fi
done
) &
OIDC_REFRESH_PID=$!
trap 'kill "$OIDC_REFRESH_PID" 2>/dev/null || true' EXIT
echo "OpenShell OIDC token refresher started"
export OPENSHELL_GATEWAY="$GW_NAME"
echo "OpenShell OIDC gateway configured: ${GW_NAME}"
else
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