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bitbake: hashserv: Support read-only server

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The -r/--readonly argument is added to the bitbake-hashserv app. If this
argument is given then clients may only perform read operations against
the server. The read-only mode is implemented by simply not installing
handlers for write operations, this keeps the permission model simple
and reduces the risk of accidentally allowing write operations.

As a sqlite database can be safely opened by multiple processes in
parallel, it's possible to start two hashserv instances against a single
database if you wish to export both a read-only port and a read-write
port.

(Bitbake rev: 492bb02eb0e071c792407ac3113f92492da1a9cc)

Signed-off-by: Paul Barker <pbarker@konsulko.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Barker
2021-02-05 11:26:07 +00:00
committed by Richard Purdie
parent f5188da2f1
commit 3b559bb16d
4 changed files with 53 additions and 12 deletions
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bitbake/lib/hashserv/__init__.py
+2 -2
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@@ -94,10 +94,10 @@ def chunkify(msg, max_chunk):
yield "\n"
def create_server(addr, dbname, *, sync=True, upstream=None):
def create_server(addr, dbname, *, sync=True, upstream=None, read_only=False):
from . import server
db = setup_database(dbname, sync=sync)
s = server.Server(db, upstream=upstream)
s = server.Server(db, upstream=upstream, read_only=read_only)
(typ, a) = parse_address(addr)
if typ == ADDR_TYPE_UNIX: