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import { defaultProvider } from "@aws-sdk/credential-provider-node";
import { Client, Connection, errors as OpensearchErrors } from "@opensearch-project/opensearch";
import * as aws4 from "aws4";
import { aws4Interceptor } from "aws4-axios";
import axios from "axios";
import { opensearch } from "shared-types";
import { Document as OSDocument, ItemResult } from "shared-types/opensearch/main";
import { getDomainAndNamespace } from "./utils";
let client: Client;
export async function getClient(host: string) {
return new Client({
...createAwsConnector(await defaultProvider()()),
node: host,
});
}
function createAwsConnector(credentials: any) {
class AmazonConnection extends Connection {
buildRequestObject(params: any) {
const request = super.buildRequestObject(params);
request.headers = request.headers || {};
request.headers["host"] = request.hostname ?? undefined;
// request.headers["Content-Type"] = "application/json; charset=UTF-8"; // Ensure Content-Type header is set
return aws4.sign(<any>request, credentials);
}
}
return {
Connection: AmazonConnection,
};
}
export async function updateData(host: string, indexObject: any) {
client = client || (await getClient(host));
// Add a document to the index.
await client.update(indexObject);
}
function sleep(ms: number): Promise<void> {
return new Promise((resolve) => setTimeout(resolve, ms));
}
interface Document {
id: string;
[key: string]: any;
}
export async function bulkUpdateData(
host: string,
index: string,
arrayOfDocuments: Document[],
): Promise<void> {
if (arrayOfDocuments.length === 0) {
console.log("No documents to update. Skipping bulk update operation.");
return;
}
client = client || (await getClient(host));
const body: any[] = [];
for (const doc of arrayOfDocuments) {
if (doc.delete) {
body.push({ delete: { _index: index, _id: doc.id } });
} else {
body.push({ update: { _index: index, _id: doc.id } }, { doc: doc, doc_as_upsert: true });
}
}
async function attemptBulkUpdate(retries: number = 5, delay: number = 1000): Promise<void> {
try {
const response = await client.bulk({ refresh: true, body: body });
Iif (response.body.errors) {
// Check for 429 status within response errors
const hasRateLimitErrors = response.body.items.some(
(item: any) => item.update.status === 429,
);
if (hasRateLimitErrors && retries > 0) {
console.log(`Rate limit exceeded, retrying in ${delay}ms...`);
await sleep(delay);
return attemptBulkUpdate(retries - 1, delay * 2); // Exponential backoff
}
if (!hasRateLimitErrors) {
// Handle or throw other errors normally
console.error("Bulk update errors:", JSON.stringify(response.body.items, null, 2));
}
} else {
console.log("Bulk update successful.");
}
} catch (error: any) {
if (error.statusCode === 429 && retries > 0) {
console.log(`Rate limit exceeded, retrying in ${delay}ms...`, error.message);
await sleep(delay);
return attemptBulkUpdate(retries - 1, delay * 2); // Exponential backoff
}
console.error("An error occurred:", error);
throw error;
}
}
await attemptBulkUpdate();
}
export async function deleteIndex(host: string, index: opensearch.Index) {
client = client || (await getClient(host));
try {
await client.indices.delete({ index });
} catch (error) {
Iif (
error instanceof OpensearchErrors.ResponseError &&
error.message.includes("index_not_found_exception")
) {
console.log(`Index ${index} not found. Continuing...`);
} else {
throw error;
}
}
}
export async function mapRole(
host: string,
masterRoleToAssume: string,
osRoleName: string,
iamRoleName: string,
) {
try {
const sts = new STSClient({
region: process.env.region,
});
const assumedRoleCommandData = await sts.send(
new AssumeRoleCommand({
RoleArn: masterRoleToAssume,
RoleSessionName: "RoleMappingSession",
ExternalId: "foo",
}),
);
const interceptor = aws4Interceptor({
options: {
region: process.env.region,
},
credentials: {
accessKeyId: assumedRoleCommandData?.Credentials?.AccessKeyId || "",
secretAccessKey: assumedRoleCommandData?.Credentials?.SecretAccessKey || "",
sessionToken: assumedRoleCommandData?.Credentials?.SessionToken,
},
});
axios.interceptors.request.use(interceptor);
const patchResponse = await axios.patch(
`${host}/_plugins/_security/api/rolesmapping/${osRoleName}`,
[
{
op: "add",
path: "/and_backend_roles",
value: [iamRoleName],
},
],
);
return decodeUtf8(patchResponse.data);
} catch (error) {
console.error("Error making PUT request:", error);
throw error;
}
}
export async function search(host: string, index: opensearch.Index, query: any) {
client = client || (await getClient(host));
const response = await client.search({
index: index,
body: query,
});
return decodeUtf8(response).body;
}
export async function getItem(
host: string,
index: opensearch.Index,
id: string,
): Promise<ItemResult | undefined> {
try {
client = client || (await getClient(host));
const response = await client.get({ id, index });
const item = decodeUtf8(response).body;
if (item.found === false || !item._source) {
return undefined;
}
return item;
} catch (error) {
Iif (
(error instanceof OpensearchErrors.ResponseError && error.statusCode === 404) ||
error.meta?.statusCode === 404
) {
console.log("Error (404) retrieving in OpenSearch:", error);
return undefined;
}
throw error;
}
}
export async function getItemAndThrowAllErrors(
host: string,
index: opensearch.Index,
id: string,
): Promise<ItemResult | undefined> {
client = client || (await getClient(host));
const response = await client.get({ id, index });
const item = decodeUtf8(response).body;
Iif (item.found === false || !item._source) {
return undefined;
}
return item;
}
export async function getItems(ids: string[]): Promise<OSDocument[]> {
try {
const { domain, index } = getDomainAndNamespace("main");
client = client || (await getClient(domain));
const response = await client.mget<{ docs: ItemResult[] }>({
index,
body: {
ids,
},
});
return response.body.docs.reduce<OSDocument[]>((acc, doc) => {
if (doc && doc.found && doc._source) {
return acc.concat(doc._source);
}
console.error(`Document with ID ${doc._id} not found.`);
return acc;
}, []);
} catch (e) {
console.log({ e });
return [];
}
}
// check it exists - then create
export async function createIndex(host: string, index: opensearch.Index) {
client = client || (await getClient(host));
try {
const exists = await client.indices.exists({ index });
Eif (exists.body) return;
await client.indices.create({ index });
} catch (error) {
console.error("Error creating index:", error);
throw error;
}
}
export async function updateFieldMapping(
host: string,
index: opensearch.Index,
properties: object,
) {
client = client || (await getClient(host));
try {
const response = await client.indices.putMapping({
index: index,
body: {
properties,
},
});
console.log("Field mapping updated:", response);
} catch (error) {
console.error("Error updating field mapping:", error);
throw error;
}
}
export function decodeUtf8(data: any): any {
if (typeof data === "string") {
try {
return decodeURIComponent(escape(data));
} catch {
return data;
}
}
if (Array.isArray(data)) {
return data.map((item) => decodeUtf8(item));
}
if (typeof data === "object" && data !== null) {
return Object.keys(data).reduce((acc, key) => {
acc[key] = decodeUtf8(data[key]);
return acc;
}, {} as any);
}
return data;
}
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