Files
electric-cherry/src/lib/operation-flow.ts
T

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export interface ActivityEvent { id: number; created_at: string; message: string }
export interface OperationStep { label: string; state: 'pending' | 'current' | 'done' | 'failed' }
interface BetaServer {
stage: string; deployed_at: string | null; restarted_at: string | null;
healthy_at: string | null; match_seen_at: string | null;
}
export function betaFlow(beta: { state: string; wait_for_health: number; wait_for_match: number; testPlan?: boolean }, servers: BetaServer[]): OperationStep[] {
const stages = ['deploying', 'awaiting-empty', 'restarting'];
const labels = ['Stage file changes', 'Wait for empty servers', 'Apply files and restart'];
if (beta.wait_for_health) { stages.push('awaiting-health'); labels.push('Verify health'); }
if (beta.wait_for_match) { stages.push('awaiting-match'); labels.push('Observe a completed match'); }
if (beta.testPlan) { stages.push('observing'); labels.push('Evaluate test requirements'); }
stages.push('ready'); labels.push('Review and promote');
const positions = servers.map(s => {
if (s.stage !== 'failed') return Math.max(0, stages.indexOf(s.stage));
if (!s.deployed_at) return 0;
if (!s.restarted_at) return 2;
if (beta.wait_for_health && !s.healthy_at) return stages.indexOf('awaiting-health');
if (beta.wait_for_match && !s.match_seen_at) return stages.indexOf('awaiting-match');
return stages.length - 1;
});
const current = beta.state === 'promoted' ? stages.length
: beta.state === 'ready-promote' ? stages.length - 1
: positions.length ? Math.min(...positions) : 0;
return labels.map((label, i) => ({ label, state: i < current ? 'done' : i === current
? beta.state === 'rolled-back' ? 'pending' : servers.some((s, j) => s.stage === 'failed' && positions[j] === i) ? 'failed' : 'current'
: 'pending' }));
}
export function campaignFlow(servers: { server?: string; restart_state: string; restarted_at: string | null; files_changed: number }[], finished: boolean,
files: { server: string; snapshot_pending: number; apply_state: string }[] = []): OperationStep[] {
const active = servers.filter(s => !['skipped', 'cancelled'].includes(s.restart_state));
const positions = active.map(s => {
if (s.restart_state === 'done') return 5;
if (s.restarted_at) return 4;
const changes = files.filter(f => f.server === s.server && f.apply_state !== 'cancelled');
if (changes.some(f => f.apply_state === 'applying')) return changes.some(f => f.snapshot_pending) ? 1 : 2;
if (changes.length && changes.every(f => f.apply_state === 'applied')) return 3;
return 0;
});
const current = positions.length ? Math.min(...positions) : finished ? 5 : 0;
return ['Wait for empty servers and restart capacity', 'Capture rollback snapshots', 'Apply file changes', 'Restart servers', 'Verify health'].map((label, i) => ({
label, state: i < current ? 'done' : i !== current ? 'pending'
: active.some((s, j) => s.restart_state === 'failed' && positions[j] === i) ? 'failed'
: active.some(s => ['manual', 'held'].includes(s.restart_state)) ? 'pending' : 'current'
}));
}