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13426 commits

Author SHA1 Message Date
Chad Little
e077d2f7a7 Reorganize phui-object-item CSS, add drag ui
Summary: Reorgaizes the CSS here a bit, by object list style, adds in a new drag ui class, which will be used in menu ordering.

Test Plan:
Workboards, Home Apps.

{F2126266}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17057
2016-12-14 11:53:17 -08:00
epriestley
ae0e97a499 Remove unusual explicit calls to policy capability descriptions from Diviner
Summary: Fixes T12015. This is weird and probably got copy/pasted from something else that was also being weird, since the methods were empty and I previously removed them.

Test Plan: Edited a book in Diviner.

Reviewers: chad, avivey

Reviewed By: avivey

Maniphest Tasks: T12015

Differential Revision: https://secure.phabricator.com/D17056
2016-12-14 11:23:05 -08:00
epriestley
102ea3cfa4 Replace Differential Edit controller with EditEngine-driven EditPro controller
Summary:
Ref T11114. This replaces the old edit controller with a new one based entirely on EditEngine.

This removes the CustomFieldEditEngineExtension hack for Differential, since remaining field types are fairly straightforward and work with existing EditEngine support, as far as I can tell.

Test Plan:
  - Created a revision via web diffs.
  - Updated a revision via web diffs.
  - Edited a revision via web.
  - Edited nonstandard custom fields ("Blame Revision", "JIRA Issues").
  - Created a revision via CLI.
  - Updated a revision via CLI.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17054
2016-12-14 07:27:39 -08:00
epriestley
32ce21a181 Allow the new Differential EditEngine form to create/update diffs for revisions
Summary: Ref T11114. Much of this is around making the "comment-while-updating" flow work correctly.

Test Plan:
  - Created new diffs by copy/pasting, then:
    - used one to create a new revision;
    - used one to update an existing revision, with a comment.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17053
2016-12-14 07:27:25 -08:00
epriestley
5215eb3067 Fix an issue where unexpected debugging output would run afoul of automatic compression
Summary:
If you put "echo" or "print" statements into the code at random places (as I frequently do during development), they would emit before we enabled compression.

This would confuse the compression mechanism and browser. I tried using `headers_sent()` to selectively disable compression but that didn't appear to fix this interaction (I think emitting this text does not cause headers to send, but does let contet escape into some buffer which the compressor can not access).

Instead, push the header down a little bit so it renders after we activate compression.

Also make it slightly fancier / more hideous. WOW.

Test Plan: {F2122927}

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D17052
2016-12-14 07:27:08 -08:00
epriestley
0c6e03d5af Fix a ModularTransactions exception with custom fields that support change details
Summary: We're throwing here when we actually want to return `null` so we make it into custom field handling code. See Conpherence.

Test Plan: Found a failing task and re-executed it with `bin/worker execute --id <id>`; after this change, it didn't fatal.

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D17051
2016-12-13 18:21:26 -08:00
epriestley
7f99f2cde8 Add EditEngine + Modular Transactions for reviewers
Summary: Ref T11114. This one is a bit more complex, but I think I covered everything.

Test Plan:
  - Added reviewers.
  - Removed reviewers.
  - Made reviewers blocking.
  - Made reviewers nonblocking.
  - Tried to make the author a reviewer.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17050
2016-12-13 18:20:58 -08:00
epriestley
6c9af81f7a Support "Test Plan" with modular transactions and EditEngine
Summary: Ref T11114. The only real trick here is that we respect configuration in `differential.fields`.

Test Plan: Turned plan on and off, tried to remove the plan, edited the plan.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17048
2016-12-13 18:20:16 -08:00
epriestley
5349d6bd5c Add Summary and Repository EditEngine fields + Modular Transactions to Differential
Summary: Ref T11114. These are unambiguous and always-enabled.

Test Plan: {F2117777}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17047
2016-12-13 18:18:32 -08:00
epriestley
0906bf547b Begin adding "pro" modular transaction fields to Differential
Summary:
Ref T11114. Currently, all of Differential is extremely custom CustomFields. I want to back away from that somewhat and leverage more EditEngine / ModularTransactions infrastructure.

This allows EditEngine, ModularTransactions, and CustomFields to coexist in an uneasy peace. The "EditPro" controller applies a //different edit// than the CustomFields do, but everything works out in the end. I think.

Hopefully the horrible mess I am creating here will be short-lived.

Test Plan:
  - Edited a revision with the normal editor.
  - Edited a revision with the pro editor.
  - Created a revision with `arc diff`.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17044
2016-12-13 14:50:31 -08:00
epriestley
eda64b8549 Add a very basic EditPro controller for Differential
Summary: Ref T11114. This doesn't really support anything yet, but technically works if you manually go to `/editpro/`.

Test Plan: {F2117302}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11114

Differential Revision: https://secure.phabricator.com/D17043
2016-12-13 14:36:06 -08:00
epriestley
77fa1ea738 Rename "DifferentialReviewer" to "DifferentialReviewerProxy"
Summary: Ref T10967. This makes room for a `DifferentialReviewer` object which can be a real storage table.

Test Plan: Grepped for `DifferentialReviewer`, browsed Differential.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10967

Differential Revision: https://secure.phabricator.com/D17041
2016-12-13 14:35:35 -08:00
epriestley
1e9a462baa Remove most of the legacy hunk code
Summary: Ref T8475. This gets rid of most of the old "legacy hunk" code. I'll nuke the rest (and drop the old table) once we're more sure that we're in the clear.

Test Plan: Browsed Differential.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T8475

Differential Revision: https://secure.phabricator.com/D17040
2016-12-13 14:34:36 -08:00
epriestley
c67e87c809 Force hunk storage migration to the modern format
Summary:
Ref T8475. This forces installs to migrate hunks to the modern format.

We stopped writing to the legacy format a very long time ago (2+ years?) without issues.

This doesn't destroy any data. T8623 has guidance and I'll publish more changelog guidance.

Test Plan: Faked some legacy data and migrated it.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T8475

Differential Revision: https://secure.phabricator.com/D17039
2016-12-13 14:34:08 -08:00
epriestley
fc6bfbdb10 Truncate the one-line diff update summary when updating a revision to 250 bytes
Summary:
Fixes T7899. If you create or update a revision and type an enormously long first line, we currently fatal trying to insert it into the database.

This text is only used to show a single-line summary of the diff in the "History" tab, which should probably be updated anyway. For now, stop fataling.

Test Plan:
Uploaded a diff with the description "MMMM..." (thousands of them).

Before patch: fatal on description being too long.
After patch: beautiful "MMMM" summary.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T7899

Differential Revision: https://secure.phabricator.com/D17038
2016-12-13 14:28:24 -08:00
epriestley
9d2feacfab Rename a missed Profile -> MenuItem
Summary: Didn't grep this good enough.

Test Plan: `bin/storage upgrade -f --apply ..`, got a clean apply.

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D17046
2016-12-13 14:27:00 -08:00
epriestley
842710608e Don't combine automatic output compression with "Content-Length"
Summary:
Fixes T12013. Send either "Content-Length" or enable output compression, but not both.

Prefer compression for static resources (CSS, JS, etc).

Test Plan: Ran `curl -v ...`, no longer saw responses with both compression and `Content-Length`.

Reviewers: chad, avivey

Reviewed By: avivey

Subscribers: avivey

Maniphest Tasks: T12013

Differential Revision: https://secure.phabricator.com/D17045
2016-12-13 14:25:49 -08:00
Chad Little
26127b9c5f Allow Dashboards to set an icon
Summary: Allows users set an icon (for reuse on upcoming home) for their dashboard based on 16 descriminating choices.

Test Plan: Create a new dashboard, set new icon. Edit an existing dashboard, set icon.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17042
2016-12-13 11:30:22 -08:00
Chad Little
c03a412d5c Add authorPHID to Dashboard Panels
Summary: Adds authorPHID to panels so we can default to the panels you made.

Test Plan: Run upgrade, visit manage panels, see my panels. Create a new panel. Edit a panel.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17036
2016-12-13 10:07:16 -08:00
epriestley
8a2afa14d2 Make the documentation more clear that storage.mysql-engine.max-size is measured in bytes
Summary: Fixes T12001. I think we're consistent about using bytes everywhere, but users won't necessarily know that and this documentation could certainly be more clear.

Test Plan: Read new text.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T12001

Differential Revision: https://secure.phabricator.com/D17037
2016-12-13 07:34:20 -08:00
epriestley
776a1f3aec Rename dashboard author patches so that the backfill patch happens
after the column it is adding is created

Auditors: chad
2016-12-12 15:44:28 -08:00
Chad Little
59f3b5125d Add authorPHID to Dashboards
Summary: Adds an authorPHIDs, populates olds ones.

Test Plan: Make a new Dashboard, see that I created it.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17022
2016-12-12 15:26:43 -08:00
epriestley
39b618039f Remove a very old piece of config documentation
Summary: Ref T571. This was accidentally left behind in D12266.

Test Plan: Used {key command F} to search for "bulk".

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T571

Differential Revision: https://secure.phabricator.com/D17034
2016-12-12 23:22:21 +00:00
epriestley
3277e78732 Move timeline anchor targets up to evade a Chrome 55 behavioral change
Summary: Fixes T11997. This lifts the targets out of the containing `overflow: hidden;` div so Chrome is willing to target them.

Test Plan: In Chrome, visited direct comment links and ended up in the right place. Clicked comment anchors, saw browser jump around again.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11997

Differential Revision: https://secure.phabricator.com/D17033
2016-12-12 10:39:02 -08:00
epriestley
8e0d936f72 Fix two overzealous renames of getPanelKey()
Summary: Fixes T11999. These are actual panels (SettingsPanel) which are panelley so it's OK.

Test Plan: Clicked "Customize Menu..." on Home.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11999

Differential Revision: https://secure.phabricator.com/D17032
2016-12-12 10:33:30 -08:00
Chad Little
a79e4b786e Restrict hover styles in action list to only href
Summary: We're currently applying these styles to labels, restrict them to only list elements that have an href.

Test Plan: Test a label, an anchor, and a button as an action item.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17031
2016-12-12 09:06:46 -08:00
Chad Little
d8b028b51b Clean up Profile Menu Item page
Summary: Cleans up the UI on the page here, uses two column layout, places actions as actionlist instead of dropdown. Changes edit pages to dialogs.

Test Plan: Add an application, divider, link, and facts to a menu page.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17030
2016-12-12 08:38:23 -08:00
epriestley
237f94b830 Fix flaky subscribers policy rule unit test
Summary:
I'm about 90% sure this fixes the intermittent test failure on `testObjectSubscribersPolicyRule()` or whatever.

We use `spl_object_hash()` to identify objects when passing hints about policy changes to policy rules. This is hacky, and I think it's the source of the unit test issue.

Specifically, `spl_object_hash()` is approximately just returning the memory address of the object, and two objects can occasionally use the same memory address (one gets garbage collected; another uses the same memory).

If I replace `spl_object_hash()` with a static value like "zebra", the test failure reproduces.

Instead, sneak an object ID onto a runtime property. This is at least as hacky but shouldn't suffer from the same intermittent failure.

Test Plan: Ran `arc unit --everything`, but I never got a reliable repro of the issue in the first place, so who knows.

Reviewers: chad

Reviewed By: chad

Differential Revision: https://secure.phabricator.com/D17029
2016-12-11 12:27:57 -08:00
epriestley
42896f9f90 Rename all ProfilePanels into ProfileMenuItems
Summary: Ref T11957.

Test Plan:
  - Viewed an existing project profile.
  - Viewed a user profile.
  - Created a new project.
  - Edited a profile menu.
  - Added new profile items.
  - Grepped for renamed symbols.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11957

Differential Revision: https://secure.phabricator.com/D17028
2016-12-11 11:44:38 -08:00
epriestley
8480776ccd Rename "ProfilePanelConfiguration" to "ProfileMenuItemConfiguration"
Summary:
Ref T11957. This renames the Configuration storage, transaction, query, and PHID type.

No rename on the actual menu item types yet, that's next (and should be the end of this, I think).

Test Plan:
  - Viewed projects.
  - Viewed profiles.
  - Edited a project menu.
  - Grepped for all renamed symbols, I think?

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11957

Differential Revision: https://secure.phabricator.com/D17027
2016-12-11 11:44:22 -08:00
epriestley
d6704705a7 Rename "ProfilePanelEditEngine" to "ProfileMenuEditEngine"
Summary: Ref T11957.

Test Plan: Edited profile menus, grepped for renamed symbol.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11957

Differential Revision: https://secure.phabricator.com/D17026
2016-12-11 11:44:01 -08:00
epriestley
923d3d3060 Rename "PanelEngine" to "MenuEngine"
Summary: Ref T11957.

Test Plan:
Grepped for "PanelEngine", renamed everything except "PanelEditEngine".

Grepped for these changed symbols:

```
ispanelengineconfigurable
getprofilepanelengine
setprofilepanelengine
setpanelengine
getpanelengine
PhabricatorProfilePanelEditEngine
```

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11957

Differential Revision: https://secure.phabricator.com/D17025
2016-12-11 11:43:42 -08:00
Chad Little
fddd467400 Fake an outline ring on buttons
Summary: Fixes T11990. Chrome/Ubuntu doesn't respect `outline: auto`, so this is the only workaround I could fine. Somewhat nicer than stock Chrome.

Test Plan: tab tab tab tab, ubuntu, chrome, windows, safari.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T11990

Differential Revision: https://secure.phabricator.com/D17023
2016-12-11 17:21:16 +00:00
epriestley
f3d9a0b930 Fix two cache issues (global settings; initial setup)
Summary:
  - Fixes T11995. This got moved but I missed renaming this callsite.
  - Fixes T11993. If you have valid credentials, but haven't run `storage upgrade` yet, we can hit this exception during setup. Just ignore it instead.

Test Plan:
  - Saved global settings, no more fatal.
  - Changed `storage-namespace` to junk, loaded web UI with valid database credentials.

{F2106358}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11993, T11995

Differential Revision: https://secure.phabricator.com/D17024
2016-12-11 08:28:10 -08:00
Chad Little
f0b6952391 Add an ApplicationProfilePanel
Summary: Allows applications to be added as profile menu items

Test Plan: Add an application to a project, see menu item, click on menu. Uninstall application, see menu without application.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17016
2016-12-09 13:35:17 -08:00
epriestley
9c72c1b1da When rendering the "you were invited" header, query the inviting user with the omnipotent viewer
Summary: Fixes T11982. If an install is not public, the registering user may not be able to see the inviting user.

Test Plan: {F2097656}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11982

Differential Revision: https://secure.phabricator.com/D17015
2016-12-09 08:35:34 -08:00
epriestley
9017bb9925 Add a setup check for installation on a burstable instance type
Summary: Fixes T11544. Attempt to detect if we're on a tiny, burstable-CPU AWS instance and complain.

Test Plan:
  - Completely faked this locally.
  - Hit the URI on an EC2 instance to check that it's correct (got back "m3.large", since that was the instance class).

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11544

Differential Revision: https://secure.phabricator.com/D17014
2016-12-09 08:32:16 -08:00
epriestley
9c38b61e51 Fix an issue where tokenizers can sort milestone results into the wrong query phase
Summary:
Fixes T11955. Currently, milestones have an internal name of "Parent (Milestone) ...".

This makes them look like they're prefix matches for "Parent", but they're actually prefix matches for "Milestone".

Reorder the names so that the internal name is "Milestone Parent ...".

Test Plan: Created a project "AAA" with milestone "BBB". Searched for "AAA", found "AAA" and milestone "AAA (BBB)".

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11955

Differential Revision: https://secure.phabricator.com/D17013
2016-12-09 08:07:12 -08:00
epriestley
5a95efaa4b Tokenize datasource indexes on "(" and ")"
Summary:
Fixes T11955. Milestone names are currently tokenizing and indexing awkwardly. For example, "A (B C D)" becomes the tokens "A", "(B", "C" and "D)".

The token "(B" can't be searched for since "(" is tokenized on the client.

Instead, tokenize "A (B C D)" into "A", "B", "C", "D".

Test Plan:
  - Added unit tests.
  - Used `bin/search index --type project --force` to reindex.
  - Searched for "A", "B", "C", "D", etc., for real examples.
  - Now, found milestones more consistently.
  - Also serached for `viewer()`, `members()`, etc.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11955

Differential Revision: https://secure.phabricator.com/D17012
2016-12-09 08:06:47 -08:00
epriestley
cde37acb4b When a custom logo is configured but has a restrictive visibility policy, fall back to the default logo
Summary: Fixes T11982. Currently, configuring a custom logo and then setting the policy restrictively locks off the whole install.

Test Plan:
  - Configured `ui.logo`.
  - Searched for the file PHID in global search to find the underlying file.
  - Set the policy to something restrictive ("only me").
  - Purged cache (`bin/cache purge --purge-all`).
  - Restarted webserver to nuke APC.
  - Loaded a page as a different user.
  - Before change: policy exception while trying to load the logo.
  - After change: fallback to default logo.
  - Loaded page as user who can see the logo, got custom logo.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11982

Differential Revision: https://secure.phabricator.com/D17011
2016-12-09 07:50:59 -08:00
epriestley
ffdc082852 Add a wide range of HTTP-request-based setup checks
Summary:
Ref T11553. With some regularity, users make various configuration mistakes which we can detect by making a request to ourselves.

I use a magical header to make this request because we want to test everything else (parameters, path).

  - Fixes T4854, probably. Tries to detect mod_pagespeed by looking for a header. This is a documentation-based "fix", I didn't actually install mod_pagespeed or formally test this.
  - Fixes T6866. We now test for parameters (e.g., user somehow lost "QSA").
  - Ref T6709. We now test that stuff is decoded exactly once (e.g., user somehow lost "B").
  - Fixes T4921. We now test that Authorization survives the request.
  - Fixes T2226. Adds a setup check to determine whether gzip is enabled on the web server, and attempts to enable it at the PHP level.
  - Fixes `<space space newline newline space><?php` in `preamble.php`.

Test Plan: Tested all of these setup warnings, although mostly by faking them.

Reviewers: joshuaspence, chad

Reviewed By: chad

Subscribers: Korvin

Maniphest Tasks: T4854, T4921, T6709, T6866, T11553, T2226

Differential Revision: https://secure.phabricator.com/D12622
2016-12-08 15:46:23 -08:00
epriestley
be4f66a5a3 In Remarkup, render archived Herald rules with strikethrough for consistency
Summary: Fixes T11969.

Test Plan: {T11969}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11969

Differential Revision: https://secure.phabricator.com/D17010
2016-12-08 12:37:54 -08:00
epriestley
5f26dd9b66 Use futures to improve clustered repository main page performance
Summary:
Ref T11954. In cluster configurations, we get repository information by making HTTP calls over Conduit.

These are slower than local calls, so clustering imposes a performance penalty. However, we can use futures and parallelize them so that clustering actually improves overall performance.

When not running in clustered mode, this just makes us run stuff inline.

Test Plan:
  - Browsed Git, Mercurial and Subversion repositories.
  - Locally, saw a 700ms wall time page drop to 200ms.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11954

Differential Revision: https://secure.phabricator.com/D17009
2016-12-08 07:26:32 -08:00
epriestley
4950926130 Validate settings before writing them to the user cache
Summary:
Fixes T11960. In D16998 I removed some code which validated settings on read to improve performance, but lost this replacement validation in shuffling the patch stack.

This restores similar validation before we write the cache. This has the same effect, it's just faster.

Also, bump the cache key to wipe out anything that got bitten (like my account on `secure` rendering dates wrong).

Test Plan:
  - Edited settings, verified the edits held.
  - Faked invalid settings, saw the check throw exceptions.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11960

Differential Revision: https://secure.phabricator.com/D17008
2016-12-07 13:34:37 -08:00
epriestley
e8d9c676b1 Fix a bad link in the database partitioning docs
Summary: Fixes T11959. Also, minor wordsmithing.

Test Plan: Read vv carefully.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11959

Differential Revision: https://secure.phabricator.com/D17007
2016-12-07 13:33:37 -08:00
Chad Little
0dfe665539 More consistent icon spacing on menus
Summary: Use one set of spacing everywhere for action menus

Test Plan: Review dropdowns, action lists.

Reviewers: epriestley, tyhtest

Reviewed By: tyhtest

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17006
2016-12-07 13:29:51 -08:00
Chad Little
8bbed7974d Fix some form layout issues in settings
Summary: Form inputs with just text or certain selects had extra space. This uses better text centering.

Test Plan: Review forms on all Settings pages, Custom Policy, Herald.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17005
2016-12-07 13:28:03 -08:00
epriestley
58ea40ad64 Hash Diffusion README cachekey components
Without this, we end up with an overlong cache key in some cases.

Auditors: chad
2016-12-06 10:03:10 -08:00
epriestley
b869e742b9 Cache README content for repositories
Summary:
Ref T11954. Especially with higher-latency file stores like S3, we can spend a lot of time reading README data and then pulling it out of file storage.

Instead, cache it.

Test Plan: Browsed a repostory with a README, saw faster pages.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11954

Differential Revision: https://secure.phabricator.com/D17002
2016-12-06 09:59:17 -08:00
epriestley
e6ddd6d0e9 Cache Almanac URIs for repositories
Summary:
Ref T11954. This is kind of complex and I'm not sure I want to actually land it, but it gives us a fairly good improvement for clustered repositories so I'm leaning toward moving forward.

When we make (or receive) clustered repository requests, we must first load a bunch of stuff out of Almanac to figure out where to send the request (or if we can handle the request ourselves).

This involves several round trip queries into Almanac (service, device, interfaces, bindings, properties) and generally is fairly slow/expensive. The actual data we get out of it is just a list of URIs.

Caching this would be very easy, except that invalidating the cache is difficult, since editing any binding, property, interface, or device may invalidate the cache for indirectly connected services and repositories.

To address this, introduce `PhabricatorCacheEngine`, which is an extensible engine like `PhabricatorDestructionEngine` for propagating cache updates. It has two modes:

  - Discover linked objects (that is: find related objects which may need to have caches invalidated).
  - Invalidate caches (that is: nuke any caches which need to be nuked).

Both modes are extensible, so third-party code can build repository-dependent caches or whatever. This may be overkill but even if Almanac is the only thing we use it for it feels like a fairly clean solution to the problem.

With `CacheEngine`, make any edit to Almanac stuff propagate up to the Service, and then from the Service to any linked Repositories.

Once we hit repositories, invalidate their caches when Almanac changes.

Test Plan:
  - Observed a 20-30ms performance improvement with `ab -n 100`.
  - (The main page making Conduit calls also gets a performance improvement, although that's a little trickier to measure directly.)
  - Added debugging code to the cache engine stuff to observe the linking and invalidation phases.
  - Made invalidation throw; verified that editing properties, bindings, etc, properly invalidates the cache of any indirectly linked repositories.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11954

Differential Revision: https://secure.phabricator.com/D17000
2016-12-06 09:14:45 -08:00