Add the rustic filesystem snapshot store - #3949

Merged

kmatasfp merged 126 commits into

filesystem-snapshotfrom

gol-604-rustic-snapshot-store

Sep 28, 2026

Commits on Sep 25, 2026

Add the filesystem snapshots configuration block with its parse refusals
kmatasfp
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41e8eb8
Give the executor image the POSIX time zone UTC0
kmatasfp
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e6cf655
Classify a failed rustic operation as a snapshot store error
kmatasfp
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7845f9b
Cancel, stage and write conditionally in the rustic backend, and publish a staged snapshot file
kmatasfp
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13f0854
Add the prune ledger of a snapshot scope and the rule that makes a prune due
kmatasfp
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9d167c8
Copy and delete a snapshot scope on its blobs
kmatasfp
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a358148
Hold the delete of a dropped publish until the test reads the file
kmatasfp
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96d550a
Write the blobs of a scope copy in the reverse order of the listing
kmatasfp
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ba222da
Separate the key constant of the configuration tests
kmatasfp
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ac83e53
Take the storage call deadline of the rustic bridge from the configuration default
kmatasfp
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6b3f431
Open the repository of the writer that makes the config file first
kmatasfp
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56157e3
Add the rustic filesystem snapshot store
kmatasfp
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a9f8ea1
Decide from a pure function whether a prune leaves marked packs, and sort listed snapshots on borrowed labels
kmatasfp
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bba479a
Test the snapshot reads, the ledger, the tree check, the tracker and the restore phases of the rustic store
kmatasfp
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4384f42
Require that a refused tree leaves the scope without a blob
kmatasfp
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7c832e9
Wake the waits for gateway bodies when a body starts, and let the test timeout bound them
kmatasfp
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785cb08
Try the dropped-save contract case in new scopes until a save does not end in its first poll
kmatasfp
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94b2321
Classify a prune error as a storage error, and test the real chain of a failed extended attribute
kmatasfp
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c73a5dc
Shorten the doc of the default storage call deadline
kmatasfp
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c0e489d
Pass the blobs of a scope as one value with one target label, share staged paths, and tighten the store tests
kmatasfp
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855fd18
Run the rule of the scripted test storage one time for each call
kmatasfp
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224e1a4
Keep the tree packs of one operation in memory, with one read for each pack
kmatasfp
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a49c636
Run saves and prunes at nice 19 on their own threads
kmatasfp
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ccd253e
Give each save and prune a rayon pool of its own, and start the global rayon pool when the store is made
kmatasfp
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a359a2b
Check that lowering the own priority gives Ok and nice 19
kmatasfp
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f18d52a
Let the caller of a save name its parent and choose the change detection
kmatasfp
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fb620d1
Shorten the docs of the change detection and the save options, and return the options from the match
kmatasfp
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8be6236
Pass the name of low-priority work as a static str, and read the thread id of the test nice with try_from
kmatasfp
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b5c2b09
Check that a failed read of the snapshot files while a save finds its parent gives storage and publishes nothing
kmatasfp
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f7af20e
Check every storage call of the work of a save and of a prune at nice 19, reads included
kmatasfp
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ff8047e
Set the approved defaults of the filesystem snapshot store: a 60 s deadline, 6 restore readers and 2 save threads
kmatasfp
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361a1d2
Keep marked packs for 15 minutes and repack fast in a prune of the store
kmatasfp
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3f85464
Prune a scope when its deleted snapshots free 10 percent of the size of its packs
kmatasfp
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1fdc959
Check the listing of the packs against the grace period alone, with a ledger that holds no marked packs
kmatasfp
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2eb1a16
Record the packs that no index lists as marked packs of a prune
kmatasfp
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73bcc7a
Stop the blob calls of an operation at shut down, and let shut down wait for a publish
kmatasfp
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1e8c0c6
Keep one constant for the path of the config file of a repository
kmatasfp
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79fdad4
Poll the shut down of the publish test again only when its first wait timed out
kmatasfp
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ad50366
Publish nothing when a save reaches its publish after shut down
kmatasfp
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66c9ee7
Wrap the doc of the shut down of the store
kmatasfp
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2a11af9
Check that a cancel ends a running blob call of a copy
kmatasfp
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a5a2047
Check that a blob call of a cancelled operation does not start
kmatasfp
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754f1f9
Give each waiting test of the rustic store a time limit
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f8e94e6
Wait for a blob call of the store and of the backend in one function
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c621440
Take a claim before a prune, so concurrent deletes make one prune
kmatasfp
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c334780
Say that the prune threshold is 10 percent of the size, rounded down
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9c94050
Check that a claim is taken one time and listed with its time
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d83cd13
Prune only when the ledger did not change after the claim
kmatasfp
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5e67f23
Check that a failed prune and a failed second read each delete the claim
kmatasfp
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bc746e2

Commits on Sep 26, 2026

Commits on Sep 27, 2026

Commits on Sep 28, 2026