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feat(core): Coordinate manual workflow activation and deactivation in multi-main scenario (#7643)

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Followup to #7566 | Story: https://linear.app/n8n/issue/PAY-926

### Manual workflow activation and deactivation

In a multi-main scenario, if the user manually activates or deactivates
a workflow, the process (whether leader or follower) that handles the
PATCH request and updates its internal state should send a message into
the command channel, so that all other main processes update their
internal state accordingly:

- Add to `ActiveWorkflows` if activating
- Remove from `ActiveWorkflows` if deactivating
- Remove and re-add to `ActiveWorkflows` if the update did not change
activation status.

After updating their internal state, if activating or deactivating, the
recipient main processes should push a message to all connected
frontends so that these can update their stores and so reflect the value
in the UI.

### Workflow activation errors

On failure to activate a workflow, the main instance should record the
error in Redis - main instances should always pull activation errors
from Redis in a multi-main scenario.

### Leadership change

On leadership change...

- The old leader should stop pruning and the new leader should start
pruning.
- The old leader should remove trigger- and poller-based workflows and
the new leader should add them.
This commit is contained in:
Iván Ovejero
2023-11-17 15:58:50 +01:00
committed by GitHub
parent b3a3f16bc2
commit 4c4082503c
33 changed files with 639 additions and 336 deletions
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15
packages/cli/src/commands/BaseCommand.ts
View File

@@ -243,21 +243,6 @@ export abstract class BaseCommand extends Command {
}
async initLicense(): Promise<void> {
if (config.getEnv('executions.mode') === 'queue' && config.getEnv('leaderSelection.enabled')) {
const { MultiMainInstancePublisher } = await import(
'@/services/orchestration/main/MultiMainInstance.publisher.ee'
);
const multiMainInstancePublisher = Container.get(MultiMainInstancePublisher);
await multiMainInstancePublisher.init();
if (multiMainInstancePublisher.isFollower) {
this.logger.debug('Instance is follower, skipping license initialization...');
return;
}
}
const license = Container.get(License);
await license.init(this.instanceType ?? 'main');