10 Commits (37b4dd047f7f9c1aa41b0fe08d9dd1bbd3c9b29c)

Author	SHA1	Message	Date
Joe Tsai	77123a569b	wgengine/netlog: include node OS in logged attributes (#17755) ... Include the node's OS with network flow log information. Refactor the JSON-length computation to be a bit more precise. Updates tailscale/corp#33352 Fixes tailscale/corp#34030 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	4 weeks ago
Joe Tsai	478342a642	wgengine/netlog: embed node information in network flow logs (#17668) ... This rewrites the netlog package to support embedding node information in network flow logs. Some bit of complexity comes in trying to pre-compute the expected size of the log message after JSON serialization to ensure that we can respect maximum body limits in log uploading. We also fix a bug in tstun, where we were recording the IP address after SNAT, which was resulting in non-sensible connection flows being logged. Updates tailscale/corp#33352 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	1 month ago
Joe Tsai	e75f13bd93	net/connstats: prepare to remove package (#17554) ... The connstats package was an unnecessary layer of indirection. It was seperated out of wgengine/netlog so that net/tstun and wgengine/magicsock wouldn't need a depenedency on the concrete implementation of network flow logging. Instead, we simply register a callback for counting connections. This PR does the bare minimum work to prepare tstun and magicsock to only care about that callback. A future PR will delete connstats and merge it into netlog. Updates tailscale/corp#33352 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 months ago
Joe Tsai	6d897c4ab4	types/netlogtype: remove CBOR representation (#17545) ... Remove CBOR representation since it was never used. We should support CBOR in the future, but for remove it for now so that it is less work to add more fields. Also, rely on just omitzero for JSON now that it is supported in Go 1.24. Updates tailscale/corp#33352 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	2 months ago
Brad Fitzpatrick	3a49b7464c	all: add ts_omit_tailnetlock as a start of making it build-time modular ... Updates #17115 Change-Id: I6b083c0db4c4d359e49eb129d626b7f128f0a9d2 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	3 months ago
Will Norris	71029cea2d	all: update copyright and license headers ... This updates all source files to use a new standard header for copyright and license declaration. Notably, copyright no longer includes a date, and we now use the standard SPDX-License-Identifier header. This commit was done almost entirely mechanically with perl, and then some minimal manual fixes. Updates #6865 Signed-off-by: Will Norris <will@tailscale.com>	3 years ago
Joe Tsai	d9df023e6f	net/connstats: enforce maximum number of connections (#6760) ... The Tailscale logging service has a hard limit on the maximum log message size that can be accepted. We want to ensure that netlog messages never exceed this limit otherwise a client cannot transmit logs. Move the goroutine for periodically dumping netlog messages from wgengine/netlog to net/connstats. This allows net/connstats to manage when it dumps messages, either based on time or by size. Updates tailscale/corp#8427 Signed-off-by: Joe Tsai <joetsai@digital-static.net>	3 years ago
Joe Tsai	4de643b714	types/netlogtype: add constants for maximum serialized sizes of ConnectionCounts (#6163) ... There is a finite limit to the maximum message size that logtail can upload. We need to make sure network logging messages remain under this size. These constants allow us to compute the maximum number of ConnectionCounts we can buffer before we must flush. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	3 years ago
Joe Tsai	a3602c28bd	wgengine/netlog: embed the StableNodeID of the authoring node (#6105) ... This allows network messages to be annotated with which node it came from. Signed-off-by: Joe Tsai <joetsai@digital-static.net>	3 years ago
Joe Tsai	c21a3c4733	types/netlogtype: new package for network logging types (#6092) ... The netlog.Message type is useful to depend on from other packages, but doing so would transitively cause gvisor and other large packages to be linked in. Avoid this problem by moving all network logging types to a single package. We also update staticcheck to take in: 003d277bcf Signed-off-by: Joe Tsai <joetsai@digital-static.net>	3 years ago