Files
azure-image-chooser/app-new/backend/src/azure-service.ts

118 lines
4.1 KiB
TypeScript

import { ComputeManagementClient } from "@azure/arm-compute";
import { DefaultAzureCredential } from "@azure/identity";
import { MemoryCache } from "./cache";
import { sortImageVersionsIfSemantic } from "./version";
import type { LocationOption } from "./types";
const CACHE_TTL_MS = 5 * 60 * 1000;
export class AzureImageService {
private readonly credential = new DefaultAzureCredential();
private readonly computeClient: ComputeManagementClient;
private readonly cache = new MemoryCache();
public constructor(private readonly subscriptionId: string) {
this.computeClient = new ComputeManagementClient(this.credential, subscriptionId);
}
public async getLocations(): Promise<LocationOption[]> {
const cacheKey = "locations";
const cached = this.cache.get<LocationOption[]>(cacheKey);
if (cached) {
return cached;
}
const token = await this.credential.getToken("https://management.azure.com/.default");
const url = `https://management.azure.com/subscriptions/${this.subscriptionId}/locations?api-version=2022-12-01`;
const response = await fetch(url, {
headers: {
Authorization: `Bearer ${token?.token ?? ""}`
}
});
const payload = (await response.json()) as { value?: Array<{ name?: string; displayName?: string; metadata?: { regionType?: string } }> };
const locations = (payload.value ?? [])
.filter((loc) => loc.metadata?.regionType === "Physical" && Boolean(loc.name))
.map((loc) => ({
name: loc.name as string,
displayName: loc.displayName ?? (loc.name as string)
}));
locations.sort((a, b) => a.name.localeCompare(b.name));
this.cache.set(cacheKey, locations, CACHE_TTL_MS);
return locations;
}
public async getPublishers(location: string): Promise<string[]> {
const cacheKey = `publishers:${location}`;
const cached = this.cache.get<string[]>(cacheKey);
if (cached) {
return cached;
}
const response = await this.computeClient.virtualMachineImages.listPublishers(location);
const publishers = this.extractNames(response);
this.cache.set(cacheKey, publishers, CACHE_TTL_MS);
return publishers;
}
public async getOffers(location: string, publisher: string): Promise<string[]> {
const cacheKey = `offers:${location}:${publisher}`;
const cached = this.cache.get<string[]>(cacheKey);
if (cached) {
return cached;
}
const response = await this.computeClient.virtualMachineImages.listOffers(location, publisher);
const offers = this.extractNames(response);
this.cache.set(cacheKey, offers, CACHE_TTL_MS);
return offers;
}
public async getSkus(location: string, publisher: string, offer: string): Promise<string[]> {
const cacheKey = `skus:${location}:${publisher}:${offer}`;
const cached = this.cache.get<string[]>(cacheKey);
if (cached) {
return cached;
}
const response = await this.computeClient.virtualMachineImages.listSkus(location, publisher, offer);
const skus = this.extractNames(response);
this.cache.set(cacheKey, skus, CACHE_TTL_MS);
return skus;
}
public async getVersions(location: string, publisher: string, offer: string, sku: string): Promise<string[]> {
const cacheKey = `versions:${location}:${publisher}:${offer}:${sku}`;
const cached = this.cache.get<string[]>(cacheKey);
if (cached) {
return cached;
}
const response = await this.computeClient.virtualMachineImages.list(location, publisher, offer, sku);
const versions = this.extractNames(response);
const sorted = sortImageVersionsIfSemantic(versions);
this.cache.set(cacheKey, sorted, CACHE_TTL_MS);
return sorted;
}
private extractNames(source: unknown): string[] {
const items = Array.isArray(source)
? source
: typeof source === "object" && source !== null && "value" in source && Array.isArray((source as { value?: unknown }).value)
? ((source as { value: unknown[] }).value as unknown[])
: [];
return items
.map((item) => (typeof item === "object" && item !== null && "name" in item ? (item as { name?: string }).name : undefined))
.filter((value): value is string => Boolean(value));
}
}