fix: failure to commit leads to inconsistencies between workflow and database #302
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…database When a µTask worker fails to commit its current state to the database, it was sometimes not stopping the execution of its resolution. This leads to inconsistencies, as the step was currently RUNNING, but database state indicates TODO. In that way, if the worker crashes, then the new worker will restart with wrong information, inducing workflow issues. Signed-off-by: Romain Beuque <556072+rbeuque74@users.noreply.github.com>
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CDS Report test#1183.0 ✘
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rbeuque74
commented
Nov 30, 2021
| @@ -699,7 +715,9 @@ func runAvailableSteps(dbp zesty.DBProvider, modifiedSteps map[string]bool, res | |||
| if s.State != step.StateAfterrunError { | |||
| res.SetStepState(s.Name, step.StateRunning) | |||
| step.PreRun(s, res.Values, resolutionStateSetter(res, preRunModifiedSteps), executedSteps) | |||
| commit(dbp, res, nil) | |||
| if err := commit(dbp, res, nil); err != nil { | |||
| return 0, err | |||
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Problem in my current implementation is that exiting the runAvailableSteps here, will close the main loop, while some step might still be running.
Not sure how we should handle this.
rbeuque74
changed the title
Signed-off-by: Romain Beuque <556072+rbeuque74@users.noreply.github.com>
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CDS Report package#1184.0 ✘
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wI2L
reviewed
Nov 30, 2021
| if async { | ||
| go resolve(dbp, res, t, sm, e.wg, debugLogger) | ||
| } else { | ||
| resolve(dbp, res, t, sm, e.wg, debugLogger) | ||
| err = resolve(dbp, res, t, sm, e.wg, debugLogger) |
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Might be replaced with return resolve(...), nil, since there is nothing to do after the if statement, which spares the declaration of err above.
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What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
Bug Fix
What is the current behavior? (You can also link to an open issue here)
When a µTask worker fails to commit its current state to the database,
it was sometimes not stopping the execution of its resolution. This
leads to inconsistencies, as the step was currently RUNNING, but
database state indicates TODO. In that way, if the worker crashes, then
the new worker will restart with wrong information, inducing workflow
issues.
Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
No
Other information: