make a canonical 'not found' error for our core sentinels. This replaces the graph.DeletedInFlight error, which acted as an interpretation of "not found".
---
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#### Issue(s)
* #4685
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some housecleaning before reviewing deadlock issues
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correct the tree post-process traversal, ensuring the root folder doesn't appear twice in the path. And provide the drive name to the collection so that the backup details can utilize it.
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#### Type of change
- [x] 🐛 Bugfix
#### Issue(s)
* #4689
#### Test Plan
- [x] 💪 Manual
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<!-- PR description-->
Switch to using `custom.DriveItem` instead of `models.DriveItemable` during backups. There is a slight impact to restore as well, since backup and restore both use a few common interfaces e.g. `AugmentItemInfo`.
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1. Move cache miss logs to debug, as it can be chatty sometimes. We will leverage the end of operation `URLCacheMiss` counter to get this information instead.
2. Counter renaming.
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We are logging a recoverable error in 2 places for the same failure during lazy item download. See the [code](6307d8cbf6/src/internal/kopia/upload.go (L228)) for the other location. For e.g. below 2 recoverable errors are referring to the same graph 400 failure.
`running backup: recoverable error 1 of 6: downloading item content: retrieving expired item: getting item: Invalid request: Invalid request`
`
running backup: recoverable error 2 of 6: kopia reported error: fetching item content: retrieving expired item: getting item: Invalid request: Invalid request`
Removing the duplicate since it can be confusing to the end user & devs.
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Add logic and tests for preview backups in drive-backed services.
Does slightly change a few of the options for preview backup limits
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Increase proliferation of the count bus to record runtime stats.
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Currently we specify the service to rate limiter type bindings in `ProduceBackupCollections`. This means we lose the binding during `ConsumeBackupCollections` and default to using the exchange token bucket limiter for all services. Onedrive & SP are an exception here since we bind again during `streamItems`.
This PR moves the binding call one level above, to `do` scope so that the same bindings stay applied for the entirety of the backup op.
Note: This change has a slight side effect on integration tests which directly test `ProduceBackupCollections`. We'll default to using exchange token bucket limiter for such integ tests for all services. This shouldn't impact test runs too much since exch limts(16 per sec) or upto 1160 per min are still pretty good compared to 1200 per min for onedrive. Also, since these tests are short running & won't be doing a load test, we should be fine here.
If there is an objection, I can add rate limiter bindings manually for these `ProduceBackupCollections` tests.
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this is an alternative possible response from graph api when the client is updating the token in-flight. We normally catch this for item downloads, but are defaulting on permission downloads.
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replace all cases of new|wrap|stack(...).WithClues(ctx) with the flattened new|wrap|stackWC(ctx, ...) functions introduced in the latest clues bump.
Other changes added:
* remove WithClues builders when the error producer already called it.
* corrected some usages of ictx within loops.
no logic changes, just cleanup.
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1. moves the m365/graph package from internal to pkg/services/api so that options are accessible to sdk users.
2. exposes graph.Options in the api client.Service call.
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We aren't using this property as an enum, nor does it look like we have reason to do so in the future. Currently, the enumeration values obscure the point of tracking the property. This value change should make that more clear.
Next PR will handle identifying parent-child package relationships.
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This enhances the check that allows skipping OneNote files that cannot be downloaded
with a mime type check.
This handles cases where the folder the item is in does not have the `package` facet.
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some additional logging context for collection scope.
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<!-- PR description-->
**Changes:**
1. Count item download requests under drive rate limit quota . Currently this is under exchange limiter.
2. Use 1 rate limit token instead of 2 for drive calls by default.
3. Use 2 tokens instead of 1 for initial delta query ( which has no token).
Sharing internal docs separately to go along with the review.
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hands the backup resource into the drive collection for the handler to use to record as the siteID
---
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#### Issue(s)
* #3988
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Temporarily remove the large file size check that controls skipping a OneNote file download that failed with a
503 error.
We've observed this error condition to be persistent even with smaller OneNote files.
This allows us to unblock backup for these resources while we investigate the issue.
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Leverage the generic item struct to inject
serialization format information for all
items
Unwires the old code that injected versions
in kopia wrapper but leaves some code in
the wrapper to strip out the serialization
format during restore
Future PRs should move the process of
pulling out serialization format to
individual services
Viewing by commit may make review
easier
---
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#### Type of change
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#### Issue(s)
* #4328
#### Test Plan
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Switch all metadata files (of all types) to use the generic unindexed
item type. Transitioned items include:
* previous paths and deltas for all services
* site list for groups
* drive .meta files
---
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#### Type of change
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#### Issue(s)
* #4191
#### Test Plan
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Use generic lazy item implementation for drive
backups. This is a bit of a stop-gap
implementation since the drive logic is more
complex than exchange logic
Refactoring the drive logic to streamline it
would help reduce the number of functions
called to download a single item etc.
---
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#### Issue(s)
* #4191
#### Test Plan
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groups collection item streaming is missing
recoverable errors, and is only logging at this time. This may be causing backups to succeed even
when errors should cause a failure.
---
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#### Issue(s)
* #3988
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This was an accidental mis-use of the skipped item pattern. Items deleted during in flight during backup due to race conditions do not count as permanent
skips in the way that other skipped items do.
---
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#### Issue(s)
* closes#4044
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<!-- PR description-->
---
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This was somehow sliced out of changes persisted
in prior branch merges. It re-adds persisting replies as part of message content retrieval.
---
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#### Issue(s)
* #3989
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Update the API for Item.Info to return an error.
This can then be leveraged to add lazy readers
to exchange backups
See #2023 for more info on how to add lazy
readers to exchange
---
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#### Issue(s)
* #2023
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A Stream is a continuous transmission of data.
An item is a single structure. Crossing the two
definitions generates confusion.
Primarily code movement/renaming. Though there
is also some reduction/replacement of structs
where we'd made a variety of testable Item implementations
instead of re-using the generic mock.
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Only code movement, no code changes.
Moved services to `/internal/m365/services/{onedrive,sharepoint,exchange}`
Moved collections to `/internal/m365/collection/{drive,site}`
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