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Neil
46fa97a6b4
* refactor(relay): group route, forwarding and connection owners * refactor(relay): use explicit defining-owner type imports
22 lines
709 B
TypeScript
22 lines
709 B
TypeScript
const INSTANCE_ZONE_URL = 'http://metadata.google.internal/computeMetadata/v1/instance/zone'
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const REQUEST_TIMEOUT_MS = 3_000
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// Zone only labels logs; metadata lookup failure must not fail boot.
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export async function readCloudRunInstanceZone(
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fetchImpl: typeof fetch = fetch
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): Promise<string | undefined> {
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try {
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const response = await fetchImpl(INSTANCE_ZONE_URL, {
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headers: { 'Metadata-Flavor': 'Google' },
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signal: AbortSignal.timeout(REQUEST_TIMEOUT_MS)
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})
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if (!response.ok) {
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return undefined
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}
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const zone = (await response.text()).trim().split('/').at(-1)
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return zone && /^[a-z0-9-]+$/.test(zone) ? zone : undefined
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} catch {
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return undefined
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}
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}
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