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optimize caching of image data from api

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This commit is contained in:
Blake Blackshear 2022-04-25 08:00:01 -05:00
parent bc0206de9d
commit 91539de3ff
2 changed files with 30 additions and 5 deletions
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25
docker/rootfs/usr/local/nginx/conf/nginx.conf
View File

@ -81,11 +81,13 @@ http {
add_header Access-Control-Expose-Headers 'Server,range,Content-Length,Content-Range';
add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
add_header Access-Control-Allow-Origin '*';
expires -1;
add_header Cache-Control "no-store";
expires off;
}
location /stream/ {
add_header 'Cache-Control' 'no-cache';
add_header Cache-Control "no-store";
expires off;
add_header 'Access-Control-Allow-Origin' "$http_origin" always;
add_header 'Access-Control-Allow-Credentials' 'true';
add_header 'Access-Control-Expose-Headers' 'Content-Length';
@ -170,7 +172,20 @@ http {
proxy_set_header Host $host;
}
location ~* /api/(.*\.(jpg|jpeg|png)$) {
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
proxy_pass http://frigate_api/$1;
proxy_pass_request_headers on;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
}
location /api/ {
add_header Cache-Control "no-store";
expires off;
add_header 'Access-Control-Allow-Origin' '*';
add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
proxy_pass http://frigate_api/;
@ -180,11 +195,11 @@ http {
proxy_set_header X-Forwarded-Proto $scheme;
}
location / {
add_header Cache-Control "no-cache";
add_header Cache-Control "no-store";
expires off;
location ~* \.(?:js|css|svg|ico|png)$ {
location /assets/ {
access_log off;
expires 1y;
add_header Cache-Control "public";

10
frigate/http.py
View File

@ -318,6 +318,8 @@ def event_thumbnail(id):
response.headers["Content-Type"] = "image/jpeg"
if event_complete:
response.headers["Cache-Control"] = "private, max-age=31536000"
else:
response.headers["Cache-Control"] = "no-store"
return response
@ -350,15 +352,18 @@ def label_thumbnail(camera_name, label):
response = make_response(jpg.tobytes())
response.headers["Content-Type"] = "image/jpeg"
response.headers["Cache-Control"] = "no-store"
return response
@bp.route("/events/<id>/snapshot.jpg")
def event_snapshot(id):
download = request.args.get("download", type=bool)
event_complete = False
jpg_bytes = None
try:
event = Event.get(Event.id == id, Event.end_time != None)
event_complete = True
if not event.has_snapshot:
return "Snapshot not available", 404
# read snapshot from disk
@ -391,6 +396,10 @@ def event_snapshot(id):
response = make_response(jpg_bytes)
response.headers["Content-Type"] = "image/jpeg"
if event_complete:
response.headers["Cache-Control"] = "private, max-age=31536000"
else:
response.headers["Cache-Control"] = "no-store"
if download:
response.headers[
"Content-Disposition"
@ -606,6 +615,7 @@ def latest_frame(camera_name):
)
response = make_response(jpg.tobytes())
response.headers["Content-Type"] = "image/jpeg"
response.headers["Cache-Control"] = "no-store"
return response
else:
return "Camera named {} not found".format(camera_name), 404