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416 lines
14 KiB
TypeScript
416 lines
14 KiB
TypeScript
import { uniq } from 'lodash';
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import { DataSourceInstanceSettings } from '@grafana/data';
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import { DataSourceWithBackend, reportInteraction } from '@grafana/runtime';
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import { logsResourceTypes, resourceTypeDisplayNames, resourceTypes } from '../azureMetadata';
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import AzureMonitorDatasource from '../azure_monitor/azure_monitor_datasource';
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import { ResourceRow, ResourceRowGroup, ResourceRowType } from '../components/ResourcePicker/types';
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import {
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addResources,
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findRow,
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parseMultipleResourceDetails,
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parseResourceDetails,
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parseResourceURI,
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resourceToString,
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} from '../components/ResourcePicker/utils';
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import {
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AzureDataSourceJsonData,
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AzureGraphResponse,
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AzureMonitorResource,
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AzureMonitorQuery,
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AzureResourceGraphOptions,
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AzureResourceSummaryItem,
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RawAzureResourceGroupItem,
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RawAzureResourceItem,
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RawAzureSubscriptionItem,
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} from '../types';
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import { routeNames } from '../utils/common';
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const RESOURCE_GRAPH_URL = '/providers/Microsoft.ResourceGraph/resources?api-version=2021-03-01';
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const logsSupportedResourceTypesKusto = logsResourceTypes.map((v) => `"${v}"`).join(',');
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export type ResourcePickerQueryType = 'logs' | 'metrics' | 'traces';
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export default class ResourcePickerData extends DataSourceWithBackend<AzureMonitorQuery, AzureDataSourceJsonData> {
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private resourcePath: string;
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resultLimit = 200;
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azureMonitorDatasource;
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supportedMetricNamespaces = '';
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constructor(
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instanceSettings: DataSourceInstanceSettings<AzureDataSourceJsonData>,
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azureMonitorDatasource: AzureMonitorDatasource
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) {
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super(instanceSettings);
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this.resourcePath = `${routeNames.resourceGraph}`;
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this.azureMonitorDatasource = azureMonitorDatasource;
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}
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async fetchInitialRows(
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type: ResourcePickerQueryType,
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currentSelection?: AzureMonitorResource[]
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): Promise<ResourceRowGroup> {
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const subscriptions = await this.getSubscriptions();
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if (!currentSelection) {
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return subscriptions;
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}
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let resources = subscriptions;
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const promises = currentSelection.map((selection) => async () => {
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if (selection.subscription) {
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const resourceGroupURI = `/subscriptions/${selection.subscription}/resourceGroups/${selection.resourceGroup}`;
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if (selection.resourceGroup && !findRow(resources, resourceGroupURI)) {
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const resourceGroups = await this.getResourceGroupsBySubscriptionId(selection.subscription, type);
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resources = addResources(resources, `/subscriptions/${selection.subscription}`, resourceGroups);
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}
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const resourceURI = resourceToString(selection);
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if (selection.resourceName && !findRow(resources, resourceURI)) {
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const resourcesForResourceGroup = await this.getResourcesForResourceGroup(resourceGroupURI, type);
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resources = addResources(resources, resourceGroupURI, resourcesForResourceGroup);
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}
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}
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});
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for (const promise of promises) {
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// Fetch resources one by one, avoiding re-fetching the same resource
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// and race conditions updating the resources array
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await promise();
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}
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return resources;
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}
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async fetchAndAppendNestedRow(
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rows: ResourceRowGroup,
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parentRow: ResourceRow,
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type: ResourcePickerQueryType
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): Promise<ResourceRowGroup> {
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const nestedRows =
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parentRow.type === ResourceRowType.Subscription
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? await this.getResourceGroupsBySubscriptionId(parentRow.id, type)
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: await this.getResourcesForResourceGroup(parentRow.id, type);
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return addResources(rows, parentRow.uri, nestedRows);
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}
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search = async (searchPhrase: string, searchType: ResourcePickerQueryType): Promise<ResourceRowGroup> => {
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let searchQuery = 'resources';
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if (searchType === 'logs') {
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searchQuery += `
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| union resourcecontainers`;
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}
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searchQuery += `
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| where id contains "${searchPhrase}"
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${await this.filterByType(searchType)}
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| order by tolower(name) asc
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| limit ${this.resultLimit}
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`;
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const { data: response } = await this.makeResourceGraphRequest<RawAzureResourceItem[]>(searchQuery);
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return response.map((item) => {
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const parsedUri = parseResourceURI(item.id);
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if (!parsedUri || !(parsedUri.resourceName || parsedUri.resourceGroup || parsedUri.subscription)) {
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throw new Error('unable to fetch resource details');
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}
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let id = parsedUri.subscription ?? '';
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let type = ResourceRowType.Subscription;
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if (parsedUri.resourceName) {
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id = parsedUri.resourceName;
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type = ResourceRowType.Resource;
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} else if (parsedUri.resourceGroup) {
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id = parsedUri.resourceGroup;
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type = ResourceRowType.ResourceGroup;
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}
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return {
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name: item.name,
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id,
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uri: item.id,
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resourceGroupName: item.resourceGroup,
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type,
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typeLabel: resourceTypeDisplayNames[item.type] || item.type,
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location: item.location,
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};
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});
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};
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// private
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async getSubscriptions(): Promise<ResourceRowGroup> {
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const query = `
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resources
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| join kind=inner (
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ResourceContainers
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| where type == 'microsoft.resources/subscriptions'
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| project subscriptionName=name, subscriptionURI=id, subscriptionId
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) on subscriptionId
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| summarize count() by subscriptionName, subscriptionURI, subscriptionId
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| order by subscriptionName desc
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`;
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let resources: RawAzureSubscriptionItem[] = [];
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let allFetched = false;
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let $skipToken = undefined;
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while (!allFetched) {
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// The response may include several pages
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let options: Partial<AzureResourceGraphOptions> = {};
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if ($skipToken) {
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options = {
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$skipToken,
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};
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}
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const resourceResponse = await this.makeResourceGraphRequest<RawAzureSubscriptionItem[]>(query, 1, options);
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if (!resourceResponse.data.length) {
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throw new Error('No subscriptions were found');
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}
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resources = resources.concat(resourceResponse.data);
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$skipToken = resourceResponse.$skipToken;
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allFetched = !$skipToken;
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}
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return resources.map((subscription) => ({
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name: subscription.subscriptionName,
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id: subscription.subscriptionId,
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uri: `/subscriptions/${subscription.subscriptionId}`,
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typeLabel: 'Subscription',
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type: ResourceRowType.Subscription,
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children: [],
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}));
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}
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async getResourceGroupsBySubscriptionId(
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subscriptionId: string,
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type: ResourcePickerQueryType
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): Promise<ResourceRowGroup> {
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const query = `
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resources
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| join kind=inner (
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ResourceContainers
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| where type == 'microsoft.resources/subscriptions/resourcegroups'
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| project resourceGroupURI=id, resourceGroupName=name, resourceGroup, subscriptionId
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) on resourceGroup, subscriptionId
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${await this.filterByType(type)}
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| where subscriptionId == '${subscriptionId}'
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| summarize count() by resourceGroupName, resourceGroupURI
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| order by resourceGroupURI asc`;
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let resourceGroups: RawAzureResourceGroupItem[] = [];
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let allFetched = false;
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let $skipToken = undefined;
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while (!allFetched) {
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// The response may include several pages
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let options: Partial<AzureResourceGraphOptions> = {};
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if ($skipToken) {
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options = {
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$skipToken,
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};
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}
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const resourceResponse = await this.makeResourceGraphRequest<RawAzureResourceGroupItem[]>(query, 1, options);
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resourceGroups = resourceGroups.concat(resourceResponse.data);
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$skipToken = resourceResponse.$skipToken;
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allFetched = !$skipToken;
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}
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return resourceGroups.map((r) => {
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const parsedUri = parseResourceURI(r.resourceGroupURI);
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if (!parsedUri || !parsedUri.resourceGroup) {
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throw new Error('unable to fetch resource groups');
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}
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return {
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name: r.resourceGroupName,
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uri: r.resourceGroupURI,
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id: parsedUri.resourceGroup,
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type: ResourceRowType.ResourceGroup,
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typeLabel: 'Resource Group',
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children: [],
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};
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});
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}
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async getResourcesForResourceGroup(
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resourceGroupId: string,
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type: ResourcePickerQueryType
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): Promise<ResourceRowGroup> {
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const { data: response } = await this.makeResourceGraphRequest<RawAzureResourceItem[]>(`
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resources
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| where id hasprefix "${resourceGroupId}"
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${await this.filterByType(type)}
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`);
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return response.map((item) => {
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const parsedUri = parseResourceURI(item.id);
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if (!parsedUri || !parsedUri.resourceName) {
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throw new Error('unable to fetch resource details');
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}
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return {
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name: item.name,
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id: parsedUri.resourceName,
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uri: item.id,
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resourceGroupName: item.resourceGroup,
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type: ResourceRowType.Resource,
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typeLabel: resourceTypeDisplayNames[item.type] || item.type,
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locationDisplayName: item.location,
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location: item.location,
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};
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});
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}
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// used to make the select resource button that launches the resource picker show a nicer file path to users
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async getResourceURIDisplayProperties(resourceURI: string): Promise<AzureMonitorResource> {
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const { subscription, resourceGroup, resourceName } = parseResourceDetails(resourceURI) ?? {};
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if (!subscription) {
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throw new Error('Invalid resource URI passed');
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}
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// resourceGroupURI and resourceURI could be invalid values, but that's okay because the join
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// will just silently fail as expected
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const subscriptionURI = `/subscriptions/${subscription}`;
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const resourceGroupURI = `${subscriptionURI}/resourceGroups/${resourceGroup}`;
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const query = `
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resourcecontainers
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| where type == "microsoft.resources/subscriptions"
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| where id =~ "${subscriptionURI}"
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| project subscriptionName=name, subscriptionId
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| join kind=leftouter (
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resourcecontainers
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| where type == "microsoft.resources/subscriptions/resourcegroups"
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| where id =~ "${resourceGroupURI}"
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| project resourceGroupName=name, resourceGroup, subscriptionId
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) on subscriptionId
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| join kind=leftouter (
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resources
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| where id =~ "${resourceURI}"
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| project resourceName=name, subscriptionId
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) on subscriptionId
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| project subscriptionName, resourceGroupName, resourceName
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`;
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const { data: response } = await this.makeResourceGraphRequest<AzureResourceSummaryItem[]>(query);
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if (!response.length) {
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throw new Error('unable to fetch resource details');
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}
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const { subscriptionName, resourceGroupName, resourceName: responseResourceName } = response[0];
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// if the name is undefined it could be because the id is undefined or because we are using a template variable.
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// Either way we can use it as a fallback. We don't really want to interpolate these variables because we want
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// to show the user when they are using template variables `$sub/$rg/$resource`
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return {
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subscription: subscriptionName || subscription,
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resourceGroup: resourceGroupName || resourceGroup,
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resourceName: responseResourceName || resourceName,
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};
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}
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async getResourceURIFromWorkspace(workspace: string) {
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const { data: response } = await this.makeResourceGraphRequest<RawAzureResourceItem[]>(`
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resources
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| where properties['customerId'] == "${workspace}"
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| project id
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`);
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if (!response.length) {
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throw new Error('unable to find resource for workspace ' + workspace);
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}
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return response[0].id;
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}
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async makeResourceGraphRequest<T = unknown>(
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query: string,
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maxRetries = 1,
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reqOptions?: Partial<AzureResourceGraphOptions>
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): Promise<AzureGraphResponse<T>> {
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try {
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return await this.postResource(this.resourcePath + RESOURCE_GRAPH_URL, {
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query: query,
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options: {
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resultFormat: 'objectArray',
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...reqOptions,
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},
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});
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} catch (error) {
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if (maxRetries > 0) {
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return this.makeResourceGraphRequest(query, maxRetries - 1);
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}
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throw error;
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}
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}
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private filterByType = async (t: ResourcePickerQueryType) => {
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if (this.supportedMetricNamespaces === '' && t !== 'logs') {
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await this.fetchAllNamespaces();
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}
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return t === 'logs'
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? `| where type in (${logsSupportedResourceTypesKusto})`
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: `| where type in (${this.supportedMetricNamespaces})`;
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};
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private async fetchAllNamespaces() {
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const subscriptions = await this.getSubscriptions();
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reportInteraction('grafana_ds_azuremonitor_subscriptions_loaded', { subscriptions: subscriptions.length });
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let supportedMetricNamespaces: string[] = [];
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for await (const subscription of subscriptions) {
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const namespaces = await this.azureMonitorDatasource.getMetricNamespaces(
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{
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resourceUri: `/subscriptions/${subscription.id}`,
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},
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true
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);
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if (namespaces) {
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const namespaceVals = namespaces.map((namespace) => `"${namespace.value.toLocaleLowerCase()}"`);
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supportedMetricNamespaces = supportedMetricNamespaces.concat(namespaceVals);
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}
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}
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if (supportedMetricNamespaces.length === 0) {
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throw new Error(
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'Unable to resolve a list of valid metric namespaces. Validate the datasource configuration is correct and required permissions have been granted for all subscriptions. Grafana requires at least the Reader role to be assigned.'
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);
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}
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this.supportedMetricNamespaces = uniq(
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supportedMetricNamespaces.concat(resourceTypes.map((namespace) => `"${namespace}"`))
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).join(',');
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}
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parseRows(resources: Array<string | AzureMonitorResource>): ResourceRow[] {
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const resourceObjs = parseMultipleResourceDetails(resources);
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const newSelectedRows: ResourceRow[] = [];
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resourceObjs.forEach((resource, i) => {
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let id = resource.resourceName;
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let name = resource.resourceName;
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let rtype = ResourceRowType.Resource;
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if (!id) {
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id = resource.resourceGroup;
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name = resource.resourceGroup;
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rtype = ResourceRowType.ResourceGroup;
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if (!id) {
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id = resource.subscription;
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name = resource.subscription;
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rtype = ResourceRowType.Subscription;
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}
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}
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newSelectedRows.push({
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id: id ?? '',
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name: name ?? '',
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type: rtype,
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uri: resourceToString(resource),
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typeLabel:
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resourceTypeDisplayNames[resource.metricNamespace?.toLowerCase() ?? ''] ?? resource.metricNamespace ?? '',
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location: resource.region,
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});
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});
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return newSelectedRows;
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}
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}
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