Implement memlog store operations#19533
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urso merged 3 commits intoelastic:masterfrom Jul 2, 2020
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Pinging @elastic/integrations-services (Team:Services) |
urso
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Jun 30, 2020
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This is currently required by the filebeat migration (PR not open yet). When migrating the old store we create a temporary store in the same directory and convert all entries before updating the meta-data file (migration supports 3 different formats, which made the process a little hairy).
urso
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Jun 30, 2020
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yay, go modules and version pinning :/
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July 1, 2020 13:54
Implement store operation that get/set key value pairs from the in-memory store, and log update operations. This change also include unit tests and store compliance tests. The addition of the statestore package is split up into multiple changeset to ease review. The final version of the package can be found [here](https://github.com/urso/beats/tree/fb-input-v2-combined/libbeat/statestore). Once finalized, the libbeat/statestore package contains: - The statestore frontend and interface for use within Beats - Interfaces for the store backend - A common set of tests store backends need to support - a storetest package for testing new features that require a store. The testing helpers use map[string]interface{} that can be initialized or queried after the test run for validation purposes. - The default memlog backend + tests
faec
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Jul 1, 2020
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Looks good, a couple typos and minor suggestions but nothing blocking. Approved.
| fileMode := r.settings.FileMode | ||
| bufSz := r.settings.BufferSize | ||
| store, err := openStore(logger, home, fileMode, bufSz, r.settings.Checkpoint) | ||
| store, err := openStore(logger, home, fileMode, bufSz, !r.settings.IgnoreVersionCheck, r.settings.Checkpoint) |
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Any reason for the parity flip between Settings and the function parameter? All else being equal I'd prefer if the parameter was ignoreVersionCheck also instead of mustCheckMeta (or at least that they were both the same)
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Bad habits :)
Update to ignoreVersionCheck.
| t.Fatal(err) | ||
| } | ||
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| cases := list[:0] |
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I'm not sure I understand this construction -- this should be equivalent to cases := []os.FileInfo{}, right? Is this a type inference shortcut in the spirit of c++ auto, or something else?
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this should be equivalent to cases := []os.FileInfo{}, right?
kinda. As we have slices the construct creates a slice of length 0, but with the old capacity.
It's an in-place filtering loop for removing files from the list (e.g. the Readme.md). See: https://github.com/golang/go/wiki/SliceTricks#filtering-without-allocating
But yeah, this is me being lazy :)
| return nil, err | ||
| } | ||
| } else if !fi.Mode().IsDir() { | ||
| return nil, fmt.Errorf("'%v' is no directory", home) |
| // Error indicates the log file was incomplete or corrupted. | ||
| // Anyways, we already have the table in a valid state and will | ||
| // continue opening the store from here. | ||
| logp.Warn("Incomplete or corrupted log file in %v. Continue with last known complete and consistend state. Reason: %v", home, err) |
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Filebeat tests are all green. CI failed notifying github |
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Jul 3, 2020
…ne-beats * upstream/master: (35 commits) [ci] fix env variable name for xpack filebeats (elastic#19617) Cache error responses for cloudfoundry apps metadata (elastic#19181) ci: user fixed type of agent (elastic#19625) Input v2 cursor testing (elastic#19573) Update Jenkinsfile to not inspect removed vendor (elastic#19610) Fix ordering and duplicate configs on autodiscover (elastic#19317) Prepare input/file for changes in the registrar (elastic#19516) Cursor input and manager implementation (elastic#19571) [Filebeat] Fix tls mapping in suricata module (elastic#19494) [Ingest Manager] Make Agent beta and Constraints experimental (elastic#19586) Accept prefix as metric_types for stackdriver metricset in GCP (elastic#19345) Implement memlog store operations (elastic#19533) introduce journalbeat/pkg in order to provide reusable shared code (elastic#19581) Add descriptions to HAProxy fields in Metricbeat (elastic#19561) ci: apm-server-update trigered only on upstream, comments, and manual triggered (elastic#19590) ci: enable upstream triggering on the packaging job (elastic#19589) ci: some jjbb improvements (elastic#19588) [MetricBeat] set tags correctly if the dimension value is ARN (elastic#19433) [Filebeat] Add default_fields: false to fields.yml in aws module (elastic#19568) Add publisher implementation for stateful inputs (elastic#19530) ...
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Jul 7, 2020
Implement store operation that get/set key value pairs from the in-memory store, and log update operations. This change also include unit tests and store compliance tests. The addition of the statestore package is split up into multiple changeset to ease review. The final version of the package can be found [here](https://github.com/urso/beats/tree/fb-input-v2-combined/libbeat/statestore). Once finalized, the libbeat/statestore package contains: - The statestore frontend and interface for use within Beats - Interfaces for the store backend - A common set of tests store backends need to support - a storetest package for testing new features that require a store. The testing helpers use map[string]interface{} that can be initialized or queried after the test run for validation purposes. - The default memlog backend + tests
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melchiormoulin
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Oct 14, 2020
Implement store operation that get/set key value pairs from the in-memory store, and log update operations. This change also include unit tests and store compliance tests. The addition of the statestore package is split up into multiple changeset to ease review. The final version of the package can be found [here](https://github.com/urso/beats/tree/fb-input-v2-combined/libbeat/statestore). Once finalized, the libbeat/statestore package contains: - The statestore frontend and interface for use within Beats - Interfaces for the store backend - A common set of tests store backends need to support - a storetest package for testing new features that require a store. The testing helpers use map[string]interface{} that can be initialized or queried after the test run for validation purposes. - The default memlog backend + tests
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What does this PR do?
Implement store operation that get/set key value pairs from
the in-memory store, and log update operations.
This change also include unit tests and store compliance tests.
The addition of the statestore package is split up into multiple
changeset to ease review. The final version of the package can be found
here.
Once finalized, the libbeat/statestore package contains:
testing helpers use map[string]interface{} that can be initialized or
queried after the test run for validation purposes.
Why is it important?
The statestore introduces a simple key-value store to Beats. The statestore will be used to replace the registry in filebeat in the future.
Checklist
- [ ] I have made corresponding changes to the documentation- [ ] I have made corresponding change to the default configuration files- [ ] I have added an entry inCHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.Author's Checklist
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