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eris/api/workersRoute.ts

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import { subMinutes } from "date-fns";
import { Model } from "indexed_kv";
import createOpenApiFetch from "openapi_fetch";
import { info } from "std/log/mod.ts";
import { Elysia, NotFoundError, Static, t } from "elysia";
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import { activeGenerationWorkers } from "../app/generationQueue.ts";
import { generationStore } from "../app/generationStore.ts";
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import * as SdApi from "../app/sdApi.ts";
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import {
WorkerInstance,
workerInstanceSchema,
workerInstanceStore,
} from "../app/workerInstanceStore.ts";
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import { getAuthHeader } from "../utils/getAuthHeader.ts";
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import { omitUndef } from "../utils/omitUndef.ts";
import { withSessionAdmin } from "./getUser.ts";
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const workerResponseSchema = t.Intersect([
t.Object({ id: t.String() }),
t.Omit(workerInstanceSchema, ["sdUrl", "sdAuth"]),
t.Object({
isActive: t.Boolean(),
imagesPerMinute: t.Number(),
stepsPerMinute: t.Number(),
pixelsPerMinute: t.Number(),
pixelStepsPerMinute: t.Number(),
}),
]);
export type WorkerResponse = Static<typeof workerResponseSchema>;
const workerRequestSchema = t.Omit(workerInstanceSchema, ["lastOnlineTime", "lastError"]);
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const STATS_INTERVAL_MIN = 10;
async function getWorkerResponse(workerInstance: Model<WorkerInstance>): Promise<WorkerResponse> {
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const after = subMinutes(new Date(), STATS_INTERVAL_MIN);
const generations = await generationStore.getBy("workerInstanceKey", {
value: workerInstance.value.key,
after: after,
});
const imagesPerMinute = generations.length / STATS_INTERVAL_MIN;
const stepsPerMinute = generations
.map((generation) => generation.value.info?.steps ?? 0)
.reduce((sum, steps) => sum + steps, 0) / STATS_INTERVAL_MIN;
const pixelsPerMinute = generations
.map((generation) => (generation.value.info?.width ?? 0) * (generation.value.info?.height ?? 0))
.reduce((sum, pixels) => sum + pixels, 0) / STATS_INTERVAL_MIN;
const pixelStepsPerMinute = generations
.map((generation) =>
(generation.value.info?.width ?? 0) * (generation.value.info?.height ?? 0) *
(generation.value.info?.steps ?? 0)
)
.reduce((sum, pixelSteps) => sum + pixelSteps, 0) / STATS_INTERVAL_MIN;
return omitUndef({
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id: workerInstance.id,
key: workerInstance.value.key,
name: workerInstance.value.name,
lastError: workerInstance.value.lastError,
lastOnlineTime: workerInstance.value.lastOnlineTime,
isActive: activeGenerationWorkers.get(workerInstance.id)?.isProcessing ?? false,
imagesPerMinute,
stepsPerMinute,
pixelsPerMinute,
pixelStepsPerMinute,
});
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}
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export const workersRoute = new Elysia()
.get(
"",
async () => {
const workerInstances = await workerInstanceStore.getAll();
const workers = await Promise.all(workerInstances.map(getWorkerResponse));
return workers;
},
{
response: t.Array(workerResponseSchema),
},
)
.post(
"",
async ({ query, body, set }) => {
return withSessionAdmin({ query, set }, async (sessionUser) => {
const workerInstance = await workerInstanceStore.create(body);
info(`User ${sessionUser.first_name} created worker ${workerInstance.value.name}`);
return await getWorkerResponse(workerInstance);
});
},
{
query: t.Object({ sessionId: t.String() }),
body: workerRequestSchema,
response: {
200: workerResponseSchema,
401: t.Literal("Must be logged in"),
403: t.Literal("Must be an admin"),
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},
},
)
.get(
"/:workerId",
async ({ params }) => {
const workerInstance = await workerInstanceStore.getById(params.workerId);
if (!workerInstance) {
throw new NotFoundError("Worker not found");
}
return await getWorkerResponse(workerInstance);
},
{
params: t.Object({ workerId: t.String() }),
response: {
200: workerResponseSchema,
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},
},
)
.patch(
"/:workerId",
async ({ params, query, body, set }) => {
const workerInstance = await workerInstanceStore.getById(params.workerId);
if (!workerInstance) {
throw new NotFoundError("Worker not found");
}
return withSessionAdmin({ query, set }, async (sessionUser) => {
info(
`User ${sessionUser.first_name} updated worker ${workerInstance.value.name}: ${
JSON.stringify(body)
}`,
);
await workerInstance.update(body);
return await getWorkerResponse(workerInstance);
});
},
{
params: t.Object({ workerId: t.String() }),
query: t.Object({ sessionId: t.String() }),
body: t.Partial(workerRequestSchema),
response: {
200: workerResponseSchema,
401: t.Literal("Must be logged in"),
403: t.Literal("Must be an admin"),
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},
},
)
.delete(
"/:workerId",
async ({ params, query, set }) => {
const workerInstance = await workerInstanceStore.getById(params.workerId);
if (!workerInstance) {
throw new Error("Worker not found");
}
return withSessionAdmin({ query, set }, async (sessionUser) => {
info(`User ${sessionUser.first_name} deleted worker ${workerInstance.value.name}`);
await workerInstance.delete();
return null;
});
},
{
params: t.Object({ workerId: t.String() }),
query: t.Object({ sessionId: t.String() }),
response: {
200: t.Null(),
401: t.Literal("Must be logged in"),
403: t.Literal("Must be an admin"),
},
},
)
.get(
"/:workerId/loras",
async ({ params }) => {
const workerInstance = await workerInstanceStore.getById(params.workerId);
if (!workerInstance) {
throw new NotFoundError("Worker not found");
}
const sdClient = createOpenApiFetch<SdApi.paths>({
baseUrl: workerInstance.value.sdUrl,
headers: getAuthHeader(workerInstance.value.sdAuth),
});
const lorasResponse = await sdClient.GET("/sdapi/v1/loras", {});
if (lorasResponse.error) {
throw new Error(
`Loras request failed: ${lorasResponse["error"]}`,
);
}
const loras = (lorasResponse.data as Lora[]).map((lora) => ({
name: lora.name,
alias: lora.alias ?? null,
}));
return loras;
},
{
params: t.Object({ workerId: t.String() }),
response: t.Array(
t.Object({
name: t.String(),
alias: t.Nullable(t.String()),
}),
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),
},
)
.get(
"/:workerId/models",
async ({ params }) => {
const workerInstance = await workerInstanceStore.getById(params.workerId);
if (!workerInstance) {
throw new NotFoundError("Worker not found");
}
const sdClient = createOpenApiFetch<SdApi.paths>({
baseUrl: workerInstance.value.sdUrl,
headers: getAuthHeader(workerInstance.value.sdAuth),
});
const modelsResponse = await sdClient.GET("/sdapi/v1/sd-models", {});
if (modelsResponse.error) {
throw new Error(
`Models request failed: ${modelsResponse["error"]}`,
);
}
const models = modelsResponse.data.map((model) => ({
title: model.title,
modelName: model.model_name,
hash: model.hash ?? null,
sha256: model.sha256 ?? null,
}));
return models;
},
{
params: t.Object({ workerId: t.String() }),
response: t.Array(
t.Object({
title: t.String(),
modelName: t.String(),
hash: t.Nullable(t.String()),
sha256: t.Nullable(t.String()),
}),
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),
},
);
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export interface Lora {
name: string;
alias: string | null;
metadata: object;
}