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@ -7,22 +7,77 @@ User-Visible Changes in Tahoe-LAFS
Release 1.12.0 (?) Release 1.12.0 (?)
'''''''''''''''''' ''''''''''''''''''
1720: New Features
------------
The default tahoe.cfg setting of ``web.static = public_html``, where "Magic Folders" is an experimental two-way directory synchronization tool,
``NODEDIR/public_html/`` does not exist, no longer causes web browsers to contributed by Least Authority Enterprises, which replaces the previous
display a traceback which reveals somewhat-private information like the value experimental (one-way) "dropbox" feature. This allows multiple users to keep
of NODEDIR, and the Python/OS versions in use. Instead it just shows a plain a single directory in-sync, using Tahoe as the backing store. See
404 error. docs/frontends/magic-folder.rst for details and configuration instructions.
2367.removal: Tor/I2P integration: This release makes it easy to::
* use Tor to hide your IP address during external network activity
* connect to Tor/I2P-based storage servers
* run an Introducer or a storage node as a Tor "onion service"
See docs/anonymity-configuration.rst for instructions and new node-creation
arguments (--hide-ip, --listen=tor). This includes ways to use SOCKS servers
for outbound connections. Tor/I2P/Socks support requires extra python
libraries to be installed (e.g. 'pip install tahoe-lafs[tor]'), as well as
having the matching (non-python) daemons available on the host system. #517
Nodes now cache the announcements they receive in a YAML file, and use their
cached information at startup until the Introducer connection is
re-established. This makes nodes more tolerant of Introducers that are
temporarily offline. Nodes admins can copy text from the cache into a new
``private/servers.yaml`` file to add "static servers", which augment/override
what the Introducer offers. This can modify aspects of the server, or use
servers that were never introduced in the first place. #2788
Nodes can use multiple introducers by adding entries to a new
``private/introducers.yaml`` file, or stop using introduction entirely by
omitting the ``introducer.furl`` key from tahoe.cfg (introducerless clients
should use static servers to connect anywhere). Server announcements are sent
to all connected Introducers, and clients merge all announcements they see.
This can improve the reliability of introduction. #68
Removed Features
----------------
The little-used "manhole" debugging feature has been removed. This allowed The little-used "manhole" debugging feature has been removed. This allowed
you to SSH or Telnet "into" a Tahoe node, providing an interactive you to SSH or Telnet "into" a Tahoe node, providing an interactive
Read-Eval-Print-Loop (REPL) that executed inside the context of the running Read-Eval-Print-Loop (REPL) that executed inside the context of the running
process. The SSH authentication code used a deprecated feature of Twisted, process. The SSH authentication code used a deprecated feature of Twisted,
this code had no unit-test coverage, and I haven't personally used it in at this code had no unit-test coverage, and I haven't personally used it in at
least 6 years (despite writing it in the first place). Time to go. least 6 years (despite writing it in the first place). Time to go. #2367
2783.docs:
The "key-generator" node type has been removed. This was a standalone process
that maintained a queue of RSA keys. Clients could offload the key-generation
work by adding "key_generator.furl=" in their tahoe.cfg files, to create
mutable files and directories faster. This seemed important back in 2006, but
these days computers are faster and RSA key generation only takes about 90ms.
This removes the "tahoe create-key-generator" command. Any
"key_generator.furl" settings in tahoe.cfg will log a warning and otherwise
ignored. Attempts to "tahoe start" a previously-generated key-generator node
will result in an error.
* 2784 remove v1 introducer (sigs now required)
* 2754 remove _appname.py
* 1903 document "/file/" as deprecated, replace with "/named/"
* 2735 CLI remove 'debug trial' and 'debug repl'
* 1942 remove google-based timing chart on mapupdate page (privacy)
Configuration Changes
---------------------
2491.config: 2491.config:
* tub.port is now an Endpoint server specification string (which is pretty * tub.port is now an Endpoint server specification string (which is pretty
@ -51,6 +106,76 @@ least 6 years (despite writing it in the first place). Time to go.
be signalled immediately, via stderr. In these cases, the "tahoe start" be signalled immediately, via stderr. In these cases, the "tahoe start"
process will exit with a non-zero return code. process will exit with a non-zero return code.
2773.docs:
The "stats-gatherer", an operation-helper service used to collect runtime
statistics from a fleet of Tahoe storage servers, must now be assigned a
hostname, or location+port pair, at creation time. The "tahoe
create-stats-gatherer" command now requires either "--hostname=", or both
"--location=" and "--port".
Previously, "tahoe create-stats-gatherer NODEDIR" would attempt to guess its
location by running something like /sbin/ifconfig to collect local IP
addresses. While this works if the host has a public IP address (or at least
lives in the same LAN as the storage servers it monitors), most sysadmins
would prefer the FURL be created with a real hostname.
To keep your old stats-gatherers working, with their original FURL, you must
determine a suitable --location and --port, and write their values into
NODEDIR/location and NODEDIR/port, respectively. Or you could simply rebuild
it by re-running "tahoe create-stats-gatherer" with the new arguments.
See docs/stats.rst for details.
* 2816 empty tub.port means don't listen at all
* 2809 reject unrecognized tahoe.cfg options at startup
* 867 tub.port takes multiple endpoints (comma-separated)
* 1010 tahoe.cfg reveal-ip-address = false, create-client --hide-ip
* 2773 create-node/create-introducer --location/--port --hostname --listen
* 2490 --listen=tor
Dependency/Installation changes
-------------------------------
2776.change:
Tahoe's testing-only dependencies can now be installed by asking for the
[test] extra, so if you want to set up a virtualenv for testing, use "pip
install -e .[test]" instead just of "pip install -e ." . At the moment this
only includes "coverage" and "pyflakes", but in the future it might include
"mock" and other utility libraries.
2781.packaging:
Tahoe now requires Twisted >= 16.1.0, so ensure that unit tests do not fail
because of uncancelled timers left running by HostnameEndpoint.
Compatibility Issues
--------------------
Debian/Jesse foolscap problem
* 1363 use pubkey as serverid, not tubid. affects new-helper vs old-uploader
Developer Changes
-----------------
* lots of tox environment cleanups, moving most tooling from Makefile to tox,
including code-checks, deprecation warnings, code-coverage
UNEDITED:
1720:
The default tahoe.cfg setting of ``web.static = public_html``, where
``NODEDIR/public_html/`` does not exist, no longer causes web browsers to
display a traceback which reveals somewhat-private information like the value
of NODEDIR, and the Python/OS versions in use. Instead it just shows a plain
404 error.
2759.docs: 2759.docs:
Tahoe now uses a separate Foolscap tub for each outbound storage server Tahoe now uses a separate Foolscap tub for each outbound storage server
connection. This has two benefits: connection. This has two benefits:
@ -78,49 +203,6 @@ and a few drawbacks:
Accounting (#666) lands and a client-id is used for log messages, it will Accounting (#666) lands and a client-id is used for log messages, it will
be difficult to identify exactly which client the log is referencing. be difficult to identify exactly which client the log is referencing.
2773.docs:
The "stats-gatherer", an operation-helper service used to collect runtime
statistics from a fleet of Tahoe storage servers, must now be assigned a
hostname, or location+port pair, at creation time. The "tahoe
create-stats-gatherer" command now requires either "--hostname=", or both
"--location=" and "--port".
Previously, "tahoe create-stats-gatherer NODEDIR" would attempt to guess its
location by running something like /sbin/ifconfig to collect local IP
addresses. While this works if the host has a public IP address (or at least
lives in the same LAN as the storage servers it monitors), most sysadmins
would prefer the FURL be created with a real hostname.
To keep your old stats-gatherers working, with their original FURL, you must
determine a suitable --location and --port, and write their values into
NODEDIR/location and NODEDIR/port, respectively. Or you could simply rebuild
it by re-running "tahoe create-stats-gatherer" with the new arguments.
See docs/stats.rst for details.
2776.change:
Tahoe's testing-only dependencies can now be installed by asking for the
[test] extra, so if you want to set up a virtualenv for testing, use "pip
install -e .[test]" instead just of "pip install -e ." . At the moment this
only includes "coverage" and "pyflakes", but in the future it might include
"mock" and other utility libraries.
2781.packaging:
Tahoe now requires Twisted >= 16.1.0, so ensure that unit tests do not fail
because of uncancelled timers left running by HostnameEndpoint.
2783.docs:
The "key-generator" node type has been removed. This was a standalone process
that maintained a queue of RSA keys. Clients could offload the key-generation
work by adding "key_generator.furl=" in their tahoe.cfg files, to create
mutable files and directories faster. This seemed important back in 2006, but
these days computers are faster and RSA key generation only takes about 90ms.
This removes the "tahoe create-key-generator" command. Any
"key_generator.furl" settings in tahoe.cfg will log a warning and otherwise
ignored. Attempts to "tahoe start" a previously-generated key-generator node
will result in an error.
2794.change: 2794.change:
The little-used "control port" now uses a separate (ephemeral) Tub. This The little-used "control port" now uses a separate (ephemeral) Tub. This
means the FURL changes each time the node is restarted, and it only listens means the FURL changes each time the node is restarted, and it only listens
@ -145,35 +227,17 @@ match, and must be re-installed and re-configured if you use munin.
more: more:
* lots of tox environment cleanups, moving most tooling from Makefile to tox,
including code-checks, deprecation warnings, code-coverage
* 2774 add internal progress API (for magic-folder)
* 1903 document "/file/" as deprecated, replace with "/named/"
* 1449 don't start magic-folder until "connected enough"
* 2491 start Tub synchronously, improves error delivery at startup
* docs are now hosted at tahoe-lafs.readsthedocs.io (not .org) * docs are now hosted at tahoe-lafs.readsthedocs.io (not .org)
* 2491 start Tub synchronously, improves error delivery at startup
* client uses separate Tub per storage server (privacy improvement) * client uses separate Tub per storage server (privacy improvement)
* 2788 introducer cache, yaml file, loaded at startup until real introducer
arrives: tolerates introducer failure better. static servers can be
configured by adding a servers.yaml
* 2784 remove v1 introducer (sigs now required)
* BIG replace drop-upload with magic-folders
* 2754 remove _appname.py
* 1363 use pubkey as serverid, not tubid. affects new-helper vs old-uploader
* 517: connection handlers: socks/tor/i2p, tahoe.cfg [connections]
* 2810 disable foolscap gifts
* 2816 empty tub.port means don't listen at all
* 1010 tahoe.cfg reveal-ip-address = false, create-client --hide-ip
* 2818 show connection hints on welcome page * 2818 show connection hints on welcome page
* 1942 remove google-based timing chart on mapupdate page (privacy)
* 2809 reject unrecognized tahoe.cfg options at startup
* 2735 CLI remove 'debug trial' and 'debug repl'
* 2773 create-node/create-introducer --location/--port --hostname --listen
* 68 introducers.yaml, multiple introducers, no introducers
* 2827 explain ipv6 * 2827 explain ipv6
* 867 tub.port takes multiple endpoints (comma-separated)
* 2490 --listen=tor Not user visible:
* fix IP-autodetect on RHEL (for tests) * fix IP-autodetect on RHEL (for tests)
* 2810 disable foolscap gifts
* 1449 don't start magic-folder until "connected enough"
* 2774 add internal progress API (for magic-folder)