Root cause: innerHTML does not execute <script> tags in modern browsers.
The _analysis.html and polling.html fragments had inline <script> blocks
that were silently dropped, causing:
- Confirm form's submitJob() undefined → form submitted as normal GET
back to '/' (user saw 'New Conversion Session' instead of polling)
- Polling page's poll() never started → stuck on 'Waiting for backend...'
Fix:
- Stripped all <script> tags from _analysis.html and polling.html
- Moved all JS logic into index.html (executed on page load)
- initConfirmForm() attaches submit/change listeners after analysis HTML
is injected via innerHTML
- initPolling() attaches poll timer + reuse button handlers after
polling fragment is injected
- Polling fragment replaces step1/analysis content while keeping
base.html header/footer intact
- Reuse buttons now use onclick attached via JS (not inline)
guestfish needs more than 30s to probe a 7.5 GiB VMDK image
(mount filesystem, read /etc/os-release, check EFI partition).
Other endpoints keep the 30s default.
{job_id} in f-strings was interpreted as Python variable instead
of FastAPI path parameter. Double braces {{job_id}} produce
literal {job_id} in the route string.
Large-file handling:
- Set TMPDIR=/mnt/converter/in in service to spool uploads to
shared storage instead of 24 GB LXC rootfs (critical for >24GB)
- Chunked upload streaming (8 MiB) with progress logging every 1 GiB
- Pre-flight disk space check via Content-Length header
- Clean up partial files on upload/download failure
- Download timeout extended to 7200s (2 hours) for 88 GB images
- Switched wget from --show-progress to --progress=dot:giga
(compact output, won't fill memory on large transfers)
- uvicorn --timeout-keep-alive 300 on both frontend and backend
VM name:
- Added vm_name field to initial session form (step 1)
- Falls back to auto-generated 'os_type-vmid' if left blank
- Pre-filled & editable in confirm form (step 2)
