immich mergerfs

This commit is contained in:
azykov@mail.ru
2026-08-22 09:55:19 +03:00
parent a1d621e7f9
commit 3e78e30eb2
3 changed files with 245 additions and 40 deletions
+113 -29
View File
@@ -13,23 +13,34 @@ data:
import json
from datetime import datetime, timezone
SRC = "/source/"
DST = "/data/"
# source mirrors immich's own folder layout 1:1 (library, backups,
# encoded-video, profile, thumbs, upload all sit directly under this).
SRC_ROOT = "/source"
LIBRARY_RECENT_DST = "/disks/library-recent"
LIBRARY_ARCHIVE_DST = "/disks/library-archive"
OTHER_DST = "/data"
OUT_DIR = "/www"
FILELIST_DIR = "/tmp/filelists"
CUTOFF = datetime(2025, 7, 1, tzinfo=timezone.utc).timestamp()
PHASES = ["listing", "library (recent)", "library (archive)", "other folders"]
state_lock = threading.Lock()
state = {
"status": "starting",
"phase": "",
"phases_done": [],
"percent": 0.0,
"processed": 0,
"total": 0,
"rate": "",
"eta": "",
"bytes_transferred": "",
"recent_files": 0,
"archive_files": 0,
"started_at": None,
"finished_at": None,
"error": None,
"returncode": None,
}
# matches lines from `rsync --info=progress2`, e.g.:
@@ -44,15 +55,20 @@ data:
def render_html(s):
progress_html = ""
if s["status"] == "scanning":
progress_html = "<p>Building file list...</p>"
elif s["status"] in ("syncing", "done", "error"):
if s["status"] in ("syncing", "done", "error") and s["phase"]:
progress_html = f"""
<p>Phase: <b>{s['phase']}</b></p>
<p>Progress: {s['processed']} / {s['total']} files ({s['percent']:.1f}%)</p>
<div class="bar"><div class="fill" style="width:{s['percent']:.1f}%"></div></div>
<p>Transferred: {s['bytes_transferred']} bytes &middot; {s['rate']} &middot; ETA {s['eta']}</p>
"""
elif s["status"] == "listing":
progress_html = "<p>Scanning source and splitting library by date...</p>"
error_html = f"<p class='err'>Error: {s['error']}</p>" if s["error"] else ""
phases_html = "".join(
f"<li>{'&#10003;' if p in s['phases_done'] else ('&rarr;' if p == s['phase'] else '&middot;')} {p}</li>"
for p in PHASES
)
return f"""<!doctype html>
<html><head><meta charset="utf-8"><title>Immich NAS rsync</title>
<meta http-equiv="refresh" content="5">
@@ -60,19 +76,22 @@ data:
body {{ font-family: monospace; background: #111; color: #eee; padding: 2rem; }}
table {{ border-collapse: collapse; }}
td {{ padding: .25rem 1.5rem .25rem 0; }}
ul {{ list-style: none; padding: 0; }}
.bar {{ background: #333; border-radius: 4px; overflow: hidden; width: 300px; height: 14px; }}
.fill {{ background: #4caf50; height: 100%; }}
.err {{ color: #f66; }}
</style></head><body>
<h1>Immich NAS rsync</h1>
<p>{SRC} &rarr; {DST}</p>
<p>{SRC_ROOT} &rarr; library (split by date) + everything else</p>
<p>Status: <b>{s['status']}</b></p>
<ul>{phases_html}</ul>
{progress_html}
{error_html}
<table>
<tr><td>Library files &ge; 2025-07-01</td><td>{s['recent_files']}</td></tr>
<tr><td>Library files &lt; 2025-07-01</td><td>{s['archive_files']}</td></tr>
<tr><td>Started</td><td>{s['started_at'] or '-'}</td></tr>
<tr><td>Finished</td><td>{s['finished_at'] or '-'}</td></tr>
<tr><td>Exit code</td><td>{s['returncode'] if s['returncode'] is not None else '-'}</td></tr>
</table>
</body></html>"""
@@ -93,21 +112,32 @@ data:
os.replace(tmp, os.path.join(OUT_DIR, "stats.json"))
def run_rsync():
def split_library_by_date():
"""Walk source/library once, bucket relative file paths by mtime."""
lib_root = os.path.join(SRC_ROOT, "library")
recent, archive = [], []
if os.path.isdir(lib_root):
for dirpath, _dirs, files in os.walk(lib_root):
for name in files:
fp = os.path.join(dirpath, name)
try:
mtime = os.stat(fp).st_mtime
except OSError:
continue
# rsync --files-from always wants "/"-separated paths
rel = os.path.relpath(fp, lib_root).replace(os.sep, "/")
(recent if mtime >= CUTOFF else archive).append(rel)
return recent, archive
def run_rsync(args, phase_label):
with state_lock:
state.update(status="scanning", started_at=datetime.now(timezone.utc).isoformat())
state.update(status="syncing", phase=phase_label, processed=0, total=0, percent=0.0,
bytes_transferred="", rate="", eta="")
write_output()
proc = subprocess.Popen(
[
"rsync",
"-a",
"--info=progress2",
"--no-inc-recursive",
"--outbuf=L",
SRC,
DST,
],
args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
text=True,
@@ -124,7 +154,6 @@ data:
if m:
bytes_transferred, percent, rate, eta, _xfr, to_chk_left, to_chk_total = m.groups()
with state_lock:
state["status"] = "syncing"
state["bytes_transferred"] = bytes_transferred
state["percent"] = float(percent)
state["rate"] = rate
@@ -141,23 +170,78 @@ data:
last_write = now
returncode = proc.wait()
if returncode != 0:
raise RuntimeError("".join(tail[-5:]).strip() or f"rsync exited {returncode}")
def run_filelist_rsync(src_dir, dst_dir, filelist_path, phase_label):
run_rsync(
[
"rsync", "-a", "--info=progress2", "--no-inc-recursive", "--outbuf=L",
f"--files-from={filelist_path}", src_dir, dst_dir,
],
phase_label,
)
def run_other_folders():
run_rsync(
[
"rsync", "-a", "--info=progress2", "--no-inc-recursive", "--outbuf=L",
"--exclude=library", SRC_ROOT + "/", OTHER_DST + "/",
],
"other folders",
)
def main_flow():
with state_lock:
state["returncode"] = returncode
state["finished_at"] = datetime.now(timezone.utc).isoformat()
if returncode == 0:
state["status"] = "done"
state["percent"] = 100.0
else:
state["status"] = "error"
state["error"] = "".join(tail[-5:]).strip() or f"rsync exited {returncode}"
state.update(status="listing", phase="listing", started_at=datetime.now(timezone.utc).isoformat())
write_output()
recent, archive = split_library_by_date()
with state_lock:
state["recent_files"] = len(recent)
state["archive_files"] = len(archive)
state["phases_done"].append("listing")
write_output()
os.makedirs(FILELIST_DIR, exist_ok=True)
recent_list = os.path.join(FILELIST_DIR, "recent.txt")
archive_list = os.path.join(FILELIST_DIR, "archive.txt")
with open(recent_list, "w") as f:
f.write("\n".join(recent))
with open(archive_list, "w") as f:
f.write("\n".join(archive))
lib_src = os.path.join(SRC_ROOT, "library") + "/"
run_filelist_rsync(lib_src, LIBRARY_RECENT_DST + "/", recent_list, "library (recent)")
with state_lock:
state["phases_done"].append("library (recent)")
write_output()
run_filelist_rsync(lib_src, LIBRARY_ARCHIVE_DST + "/", archive_list, "library (archive)")
with state_lock:
state["phases_done"].append("library (archive)")
write_output()
run_other_folders()
with state_lock:
state["phases_done"].append("other folders")
write_output()
def main():
os.makedirs(OUT_DIR, exist_ok=True)
write_output()
run_rsync()
try:
main_flow()
with state_lock:
state.update(status="done", percent=100.0, finished_at=datetime.now(timezone.utc).isoformat())
except Exception as e:
with state_lock:
state.update(status="error", error=str(e), finished_at=datetime.now(timezone.utc).isoformat())
write_output()
# stay alive so the pod doesn't restart-loop after a one-shot sync;
# the status page keeps showing the final result.
while True:
@@ -13,6 +13,66 @@ spec:
values:
controllers:
server:
strategy: Recreate
podDisruptionBudget:
maxUnavailable: "0"
initContainers:
fix-permissions:
image:
repository: hectorm/nfs-ganesha
tag: v10
command:
- sh
- -c
- chmod -R a+rwX /disks/library-recent /disks/library-archive
# native sidecar (restartPolicy: Always): mounts the two library
# disks and exposes their union at /disks/merged-library via
# FUSE. It must be up and actually mounted *before* the "app"
# container is created, since HostToContainer propagation only
# relays mounts made *after* the receiving container's own mount
# exists - it won't retroactively pick up a FUSE mount that's
# already there. Running it as a restartPolicy:Always init
# container (started, gated on the startupProbe below, before
# regular containers) guarantees that ordering; a regular sidecar
# container racing "app" on every pod start does not. Same
# pattern as clusters/base/apps/nfs-photo.
mergerfs:
dependsOn:
- fix-permissions
restartPolicy: Always
image:
repository: ghcr.io/hotio/mergerfs
tag: release-v2.42.0
args:
- "-o"
# library-recent listed first: category.create=ff means new
# files created through the merged mount (i.e. new immich
# uploads going forward) land on library-recent by default,
# which is exactly what's wanted for freshly-uploaded photos.
- "allow_other,use_ino,func.create=ff,category.action=all,category.create=ff,category.search=newest"
- "/disks/library-recent:/disks/library-archive"
- "/disks/merged-library"
securityContext:
privileged: true
probes:
startup:
enabled: true
custom: true
spec:
exec:
command:
- sh
- -c
- grep -q fuse.mergerfs /proc/mounts
periodSeconds: 1
timeoutSeconds: 2
failureThreshold: 30
resources:
requests:
cpu: 50m
memory: 64Mi
limits:
memory: 512Mi
containers:
app:
image:
@@ -54,10 +114,12 @@ spec:
limits:
memory: 4Gi
# one-shot migration copy from the old NAS-hosted docker install
# into this install's own library volume (see "library" below).
# into this install's own volumes (see "persistence" below).
# rsync is idempotent, so a pod restart mid-copy just resumes
# cleanly; once done it sleeps forever instead of exiting, so the
# container doesn't restart-loop and the status page stays up.
# (starts after all initContainers - fix-permissions and the
# mergerfs sidecar's startupProbe - complete, same as "app")
rsync:
image:
repository: python
@@ -68,10 +130,10 @@ spec:
- apk add --no-cache rsync >/dev/null && python3 /app/rsync.py
resources:
requests:
cpu: 50m
memory: 64Mi
limits:
cpu: 100m
memory: 256Mi
limits:
memory: 1Gi
rsync-web:
image:
repository: nginx
@@ -141,15 +203,70 @@ spec:
- rsync.photo.aggtaa.com
persistence:
# brand new, dedicated library - deliberately not reusing the old
# docker-compose install's NAS data, and not nfs-photo either.
library:
# Immich's "library" folder, mergerfs-merged from two disks: recent
# files (per the rsync migration's cutoff) and everything else.
# New uploads going forward land on library-recent (see mergerfs
# category.create above). Not reusing the old single 800Gi library
# PVC/PV - this replaces it (that PVC becomes orphaned, retained,
# and unused; clean it up separately if no longer wanted).
library-recent:
type: persistentVolumeClaim
accessMode: ReadWriteOnce
size: 800Gi
size: 200Gi
storageClass: longhorn-single-replica
retain: true
globalMounts:
advancedMounts:
server:
mergerfs:
- path: /disks/library-recent
fix-permissions:
- path: /disks/library-recent
rsync:
- path: /disks/library-recent
library-archive:
type: persistentVolumeClaim
accessMode: ReadWriteOnce
size: 500Gi
storageClass: longhorn-single-replica
retain: true
advancedMounts:
server:
mergerfs:
- path: /disks/library-archive
fix-permissions:
- path: /disks/library-archive
rsync:
- path: /disks/library-archive
merged-library:
type: emptyDir
advancedMounts:
server:
mergerfs:
- path: /disks/merged-library
mountPropagation: Bidirectional
app:
- path: /data/library
mountPropagation: HostToContainer
dev-fuse:
type: hostPath
hostPath: /dev/fuse
advancedMounts:
server:
mergerfs:
- path: /dev/fuse
# everything immich keeps outside "library" (backups, encoded-video,
# profile, thumbs, upload) - plain volume, no mergerfs involved.
other:
type: persistentVolumeClaim
accessMode: ReadWriteOnce
size: 100Gi
storageClass: longhorn-single-replica
retain: true
advancedMounts:
server:
app:
- path: /data
rsync:
- path: /data
nas-source:
type: persistentVolumeClaim
@@ -14,7 +14,11 @@ spec:
- nolock
nfs:
server: 10.0.64.80
path: /mnt/sdb2/immich
# .../uploads specifically, not just .../immich: this aligns 1:1 with
# immich's own folder names (library, backups, encoded-video, profile,
# thumbs, upload) sitting directly under /source, matching what
# rsync.py expects.
path: /mnt/sdb2/immich/uploads
readOnly: true
claimRef:
namespace: photo