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Code.js
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var organizationID = "";
var operatingProjectID = "";
var allProjectIDs = [];
var allProjectNumbersToProject = {};
var allFolderNumbers = [];
var allFolderNumbersToFolder = {};
var spreadsheet;
function runAudit() {
spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
sendGAMP('runAudit');
const auditFunctionsToTrigger = [
'auditAllUsersIAMPolicies',
'auditPublicCloudAssetInventory',
'auditServiceAccounts',
'auditServiceAccountKeyUsage',
'auditGKEClusters',
'auditUnattendedProjects',
'auditIAMRecommendations',
'auditPolicyInsights',
'auditAssetInsights',
'auditLateralMovementInsights',
'auditServiceAccountInsights',
'auditFirewallInsights',
'auditAPIKeys',
'auditBigQueryUserScheduledQueries',
'auditAllGCEVMs'
];
ScriptApp.getUserTriggers(spreadsheet).forEach((trigger) => ScriptApp.deleteTrigger(trigger));
auditFunctionsToTrigger.forEach((functionName, index) => {
ScriptApp.newTrigger(functionName)
.timeBased()
.everyDays(1)
.atHour(index)
.create();
});
initializeGlobals();
auditAllUsersIAMPolicies();
auditPublicCloudAssetInventory();
auditServiceAccounts();
auditServiceAccountKeyUsage();
auditGKEClusters();
auditCloudFunctions();
auditUnattendedProjects();
auditIAMRecommendations();
auditPolicyInsights();
auditAssetInsights();
auditLateralMovementInsights();
auditServiceAccountInsights();
auditFirewallInsights();
auditAPIKeys();
auditBigQueryUserScheduledQueries();
auditAllGCEVMs();
}
// Collect Google Analytics
// Based on https://gist.github.com/mhawksey/9199459
function sendGAMP(action) {
var userProperties = PropertiesService.getUserProperties();
var uuid = userProperties.getProperty('USER_UUID');
if (uuid == null) {
uuid = Utilities.getUuid()
userProperties.setProperty('USER_UUID', uuid);
}
var data = {
'v': '1',
'tid': "UA-210888102-1",
'cid': uuid,
'z': Math.floor(Math.random() * 10E7),
't': 'event',
'ds': 'Apps Script',
'ec': 'execution',
'ea': action,
};
var payload = Object.keys(data).map(function (key) {
return encodeURIComponent(key) + '=' + encodeURIComponent(data[key]);
}).join('&');
var options = {
'method': 'POST',
'payload': payload
};
Logger.log('https://www.google-analytics.com/collect ' + JSON.stringify(options));
UrlFetchApp.fetch('https://www.google-analytics.com/collect', options);
}
function initializeGlobals() {
spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
var projectIDRange = spreadsheet.getRangeByName("ProjectID");
if (projectIDRange == null) {
throw new Error("Could not find Named range 'ProjectID' sheet to read project id with Asset API enabled");
}
operatingProjectID = projectIDRange.getValue();
enableServices(['serviceusage.googleapis.com',
'apikeys.googleapis.com',
'cloudresourcemanager.googleapis.com',
'cloudasset.googleapis.com',
'recommender.googleapis.com']);
organizationID = fetchOrganizationID();
if (allFolderNumbers.length == 0) {
fetchAllFolders((folders) => {
allFolderNumbers = allFolderNumbers.concat(folders.map((folder) => folder.name.split("/")[1]));
folders.forEach((folder) => allFolderNumbersToFolder[folder.name.split("/")[1]] = folder);
// Logger.log(JSON.stringify(folders))
});
}
if (allProjectIDs.length == 0) {
// Fetch all projects in the organization except App Script projects starting with "sys-"
fetchAllProjects((projects) => {
allProjectIDs = allProjectIDs.concat(projects.map((project) => project.projectId).filter((projectID) => !projectID.startsWith("sys-")));
projects.forEach((project) => allProjectNumbersToProject[project.projectNumber] = project);
});
// Logger.log(allProjectIDs.length);
}
}
// These operations should be fairly quick as they query the organization
// directly instead of iterating over each project individually
// Batch run all of these Cloud Asset Inventory audit method together
function auditPublicCloudAssetInventory() {
sendGAMP('auditPublicCloudAssetInventory');
initializeGlobals();
// Collect public resources from Cloud Asset Inventory
auditPublicGCEVMs();
auditPublicCloudSQLInstances();
auditPublicCloudFunctions();
auditPublicGKEClusters();
auditPublicAppEngine();
auditPublicCloudRun();
auditExternalGlobalForwardingRules();
auditExternalForwardingRules();
auditExternalBackendServices();
auditExternalRegionalBackendServices();
}
function fetchOrganizationID() {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'post',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
},
'muteHttpExceptions': true,
};
// https://stackoverflow.com/questions/59749855/how-do-i-get-the-organization-id-of-my-current-project-in-google-cloud-platform
// https://cloud.google.com/resource-manager/reference/rest/v1/projects/getAncestry
Logger.log('https://cloudresourcemanager.googleapis.com/v1/projects/' + operatingProjectID + ':getAncestry');
var response = UrlFetchApp.fetch('https://cloudresourcemanager.googleapis.com/v1/projects/' + operatingProjectID + ':getAncestry', { ...options, });
var ancestors = JSON.parse(response.getContentText());
var organizationAncestor = ancestors.ancestor.find((ancestor) => ancestor.resourceId.type == "organization");
if (organizationAncestor == null) {
throw new Error("Could not find organization associated with project " + operatingProjectID);
}
return organizationAncestor.resourceId.id;
}
function enableServices(services) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'get',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
},
};
payload = { 'payload': JSON.stringify({ 'serviceIds': services }) };
// https://cloud.google.com/service-usage/docs/reference/rest/v1/services/batchEnable
// https://cloud.google.com/service-usage/docs/enable-disable#enabling
var response;
try {
Logger.log('https://serviceusage.googleapis.com/v1/projects/' + operatingProjectID + '/services:batchEnable');
response = UrlFetchApp.fetch('https://serviceusage.googleapis.com/v1/projects/' + operatingProjectID + '/services:batchEnable', { ...options, ...payload });
} catch (error) {
// Ignore the error and try continuing on if the Service Usage API is not yet enabled
// as it needs to be done manually in the Cloud Console UI
if (error.message.includes('Service Usage API has not been used in project')) {
return;
}
// Try enabling services on the the project number given in the error message
var match = error.message.match(/has not been used in project (?<projectNumber>\d+) before or it is disabled/);
if (match != null) {
Logger.log('https://serviceusage.googleapis.com/v1/projects/' + match.groups.projectNumber + '/services:batchEnable')
response = UrlFetchApp.fetch('https://serviceusage.googleapis.com/v1/projects/' + match.groups.projectNumber + '/services:batchEnable', { ...options, ...payload });
}
}
if (response == null) {
return;
}
var jsonResponse = JSON.parse(response.getContentText());
var operationName = jsonResponse.name;
var done = false;
while (!done) {
response = UrlFetchApp.fetch('https://serviceusage.googleapis.com/v1/' + operationName, options);
jsonResponse = JSON.parse(response.getContentText());
done = jsonResponse.done;
}
}
function createSheet(title, columns) {
var sheet = spreadsheet.getSheetByName(title);
if (sheet == null) {
sheet = spreadsheet.insertSheet(title);
}
spreadsheet.setActiveSheet(sheet);
sheet.clear();
sheet.setFrozenRows(1);
sheet.setColumnWidths(1, columns.length, 200);
var firstRow = sheet.getRange(1, 1, 1, columns.length);
firstRow.setValues([columns]);
firstRow.setFontWeight("bold");
sheet.setActiveRange(firstRow.offset(1, 0));
SpreadsheetApp.flush();
return sheet;
}
function deepFind(obj, path, empty = undefined) {
var paths = path.split('.')
, current = obj
, i;
for (i = 0; i < paths.length; ++i) {
if (current[paths[i]] == undefined) {
return empty;
} else {
current = current[paths[i]];
}
}
return current;
}
// https://cloud.google.com/asset-inventory/docs/searching-iam-policies
function fetchIAMPolicies(query, callback) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'get',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
}
};
var nextPageToken = "";
while (nextPageToken != null) {
// https://cloud.google.com/asset-inventory/docs/reference/rest/v1/TopLevel/searchAllIamPolicies
Logger.log('https://cloudasset.googleapis.com/v1/organizations/' + organizationID + ':searchAllIamPolicies?query=' + encodeURIComponent(query) + '&pageSize=1000&pageToken=' + nextPageToken);
var response = UrlFetchApp.fetch('https://cloudasset.googleapis.com/v1/organizations/' + organizationID + ':searchAllIamPolicies?query=' + encodeURIComponent(query) + '&pageSize=1000&pageToken=' + nextPageToken, options);
var jsonResponse = JSON.parse(response.getContentText());
if (jsonResponse.results != null) {
callback(jsonResponse.results);
nextPageToken = jsonResponse.nextPageToken;
} else {
return;
}
}
}
// gcloud beta asset search-all-iam-policies --scope='organizations/12345678910' --query='memberTypes:("allUsers" OR "allAuthenticatedUsers")'
// https://cloud.google.com/asset-inventory/docs/searching-iam-policies-samples#use_case_list_resources_that_have_roles_granted_to_the_public
function auditAllUsersIAMPolicies() {
sendGAMP('auditAllUsersIAMPolicies');
initializeGlobals();
var sheet = createSheet("Public IAM Policies", ["Project", "Asset Type", "Resource", "Policy"])
fetchIAMPolicies('memberTypes:("allUsers" OR "allAuthenticatedUsers")', (results) => {
results.forEach((result) => {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[allProjectNumbersToProject[result.project.split("/")[1]].projectId, result.assetType, result.resource, JSON.stringify(result.policy)]]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
SpreadsheetApp.flush();
});
}
function fetchAllAssets(assetTypes, callback) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'get',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
}
};
var nextPageToken = "";
while (nextPageToken != null) {
// https://cloud.google.com/asset-inventory/docs/reference/rest/v1/assets/list
var response = UrlFetchApp.fetch('https://cloudasset.googleapis.com/v1/organizations/' + organizationID + '/assets?assetTypes=' + assetTypes + '&contentType=resource' + '&pageSize=1000&pageToken=' + nextPageToken, options);
var jsonResponse = JSON.parse(response.getContentText());
callback(jsonResponse.assets);
nextPageToken = jsonResponse.nextPageToken;
}
}
function queryMetrics(projectID, query, callback) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'post',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
}
};
var nextPageToken = "";
while (nextPageToken != null) {
// https://cloud.google.com/monitoring/api/ref_v3/rest/v3/projects.timeSeries/query
options['payload'] = JSON.stringify({
"query": query,
"pageSize": 1000,
"pageToken": nextPageToken
})
var response = UrlFetchApp.fetch('https://monitoring.googleapis.com/v3/projects/' + projectID + '/timeSeries:query', options);
var jsonResponse = JSON.parse(response.getContentText());
callback(jsonResponse);
nextPageToken = jsonResponse.nextPageToken;
}
}
function fetchAllProjects(callback) {
var assetTypes = "cloudresourcemanager.googleapis.com/Project";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
callback(assets.map((asset) => asset.resource.data));
});
}
function fetchAllFolders(callback) {
var assetTypes = "cloudresourcemanager.googleapis.com/Folder";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
callback(assets.map((asset) => asset.resource.data));
});
}
function auditServiceAccounts() {
initializeGlobals();
sendGAMP('auditSerivceAccounts');
var sheet = createSheet("All Service Accounts", ["Project", "Email", "Description", "Status"]);
// https://cloud.google.com/iam/docs/reference/rest/v1/projects.serviceAccounts
var assetTypes = "iam.googleapis.com/ServiceAccount";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
var activeRange = sheet.getActiveRange();
activeRange.setValues([[data.projectId, data.email, data.description, data.disabled ? "DISABLED" : "ACTIVE"]]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
function auditServiceAccountKeyUsage() {
initializeGlobals();
sendGAMP('auditServiceAccountKeyUsage');
var sheet = createSheet("Service Account Key Usage", ["Project", "Service Account", "Key ID", "Key Algorithm", "Valid After", "Valid Before", "Last Used"]);
// https://cloud.google.com/iam/docs/reference/rest/v1/projects.serviceAccounts.keys
var assetTypes = "iam.googleapis.com/ServiceAccountKey";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
const data = asset.resource.data;
if (Date.parse(data.validBeforeTime) > Date.now() && data.keyType == "USER_MANAGED") {
const activeRange = sheet.getActiveRange();
const projectID = asset.name.split("/")[4];
const keyID = data.name.split("/")[5];
queryMetrics(projectID, "fetch iam_service_account | metric 'iam.googleapis.com/service_account/key/authn_events_count' | filter (resource.unique_id == '"+asset.name.split("/")[6]+"') | within -30d | align rate()", (response) => {
if (response.timeSeriesData != null) {
const formattedData = response.timeSeriesData.map((data) => {
return {
keyID: data.labelValues[2].stringValue,
positiveValues: data.pointData.some((point) => point.values.some(( value) => value.doubleValue > 0)),
lastUsed: new Date(Math.max(...data.pointData.map((point) => new Date(point.timeInterval.endTime))))
};
}).filter((data) => data.positiveValues);
var keyIDToLastUsed = {};
for (const data of formattedData) {
const key = data["keyID"];
if (!(key in keyIDToLastUsed)) {
keyIDToLastUsed[key] = data["lastUsed"];
} else {
if (keyIDToLastUsed[key] < data["lastUsed"]) {
keyIDToLastUsed[key] = data["lastUsed"];
}
}
}
activeRange.setValues([[projectID, "=HYPERLINK(\"https://console.cloud.google.com/iam-admin/serviceaccounts/details/"+data.name.split("/")[3]+"/keys?project="+projectID+"\", \""+data.name.split("/")[3]+"\")", keyID, data.keyAlgorithm, data.validAfterTime, data.validBeforeTime, keyID in keyIDToLastUsed ? keyIDToLastUsed[keyID].toISOString() : ""]]);
} else {
activeRange.setValues([[projectID, "=HYPERLINK(\"https://console.cloud.google.com/iam-admin/serviceaccounts/details/"+data.name.split("/")[3]+"/keys?project="+projectID+"\", \""+data.name.split("/")[3]+"\")", keyID, data.keyAlgorithm, data.validAfterTime, data.validBeforeTime, ""]]);
}
sheet.setActiveRange(activeRange.offset(1, 0));
});
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='compute.googleapis.com/Instance' --content-type='resource' --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.networkInterfaces[].accessConfigs[0].natIP, resource.data.status, resource.data.creationTimestamp, resource.data.lastStartTimestamp)" --filter="resource.data.networkInterfaces[].accessConfigs[].type='ONE_TO_ONE_NAT' AND resource.data.status='RUNNING'" > public_instances.csv
function auditPublicGCEVMs() {
sendGAMP('auditPublicGCEVMs');
var sheet = createSheet("Public GCE VMs", ["Project", "Name", "NAT IP", "Status", "Creation Time", "Last Start Time"]);
// https://cloud.google.com/compute/docs/reference/rest/v1/instances
var assetTypes = "compute.googleapis.com/Instance";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
if (deepFind(asset, "resource.data.networkInterfaces", []).some((ni) => deepFind(ni, "accessConfigs", []).some((ac) => ac.type == 'ONE_TO_ONE_NAT')) && deepFind(asset, "resource.data.status", '') == 'RUNNING') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], data.name, data.networkInterfaces[0].accessConfigs[0].natIP, data.status, data.creationTimestamp, data.lastStartTimestamp]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='sqladmin.googleapis.com/Instance' --content-type='resource' --format="csv(resource.data.project, resource.data.name, resource.data.gceZone, resource.data.settings.ipConfiguration.ipv4Enabled, resource.data.settings.ipConfiguration.requireSsl, resource.data.serverCaCert.createTime, resource.data.settings.activationPolicy)" --filter="resource.data.settings.activationPolicy='ALWAYS' AND resource.data.settings.ipConfiguration.ipv4Enabled='TRUE'" > public_cloudsql_instances.csv
function auditPublicCloudSQLInstances() {
sendGAMP('auditPublicCloudSQLInstances');
var sheet = createSheet("Public CloudSQL Instances", ["Project", "Name", "GCE Zone", "Public IP Enabled", "Require SSL", "Authorized Networks", "Create Time", "Activation Policy"]);
// https://cloud.google.com/sql/docs/mysql/admin-api/rest/v1beta4/instances
var assetTypes = "sqladmin.googleapis.com/Instance";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
var ipConfig = data.settings.ipConfiguration;
if (data.settings.activationPolicy == 'ALWAYS' && ipConfig.ipv4Enabled) {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[data.project, data.name, data.gceZone, ipConfig.ipv4Enabled, ipConfig.requireSsl, ipConfig.hasOwnProperty('authorizedNetworks') ? ipConfig.authorizedNetworks.map((acl) => acl.value).join(",") : "", data.createTime, data.settings.activationPolicy]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// Checks for unauthenticated invocations which are allowed by setting allUsers in the service
// IAM policy after January 15, 2020
// https://cloud.google.com/functions/docs/securing/managing-access-iam#allowing_unauthenticated_http_function_invocation
// gcloud beta asset list --organization=1234567891011 --asset-types='cloudfunctions.googleapis.com/CloudFunction' --content-type='resource' --filter="resource.data.status='ACTIVE' AND resource.data.list(show="keys"):'httpsTrigger' AND resource.data.ingressSettings='ALLOW_ALL'" --format="csv(resource.data.httpsTrigger.url)"
// gcloud beta asset search-all-iam-policies --scope='organizations/12345678910' --query='memberTypes:("allUsers" OR "allAuthenticatedUsers") AND policy.role.permissions:cloudfunctions.functions.invoke'
function auditPublicCloudFunctions() {
sendGAMP('auditPublicCloudFunctions');
var sheet = createSheet("Public Cloud Functions", ["Project", "Name", "Runtime", "Ingress Setting", "Security Level", "Status", "Update Time", "Url"]);
var unauthenticatedFunctions = new Set();
fetchIAMPolicies('memberTypes:("allUsers" OR "allAuthenticatedUsers") AND policy.role.permissions:cloudfunctions.functions.invoke', (results) => {
results.forEach((result) => {
unauthenticatedFunctions.add(result.resource);
});
});
// https://cloud.google.com/functions/docs/reference/rest/v1/projects.locations.functions
var assetTypes = "cloudfunctions.googleapis.com/CloudFunction";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
if (data.status == 'ACTIVE' && data.hasOwnProperty('httpsTrigger') && data.ingressSettings == "ALLOW_ALL" && (new Date(data.updateTime) < new Date('2020-01-15') || unauthenticatedFunctions.has(asset.name))) {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.name.split("/")[8], data.runtime, data.ingressSettings, data.httpsTrigger.securityLevel, data.status, data.updateTime, data.httpsTrigger.url]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// Checks for unauthenticated invocations which are allowed by setting allUsers in the service
// IAM policy after January 15, 2020
// https://cloud.google.com/functions/docs/securing/managing-access-iam#allowing_unauthenticated_http_function_invocation
// gcloud beta asset list --organization=1234567891011 --asset-types='cloudfunctions.googleapis.com/CloudFunction' --content-type='resource' --filter="resource.data.status='ACTIVE' AND resource.data.list(show="keys"):'httpsTrigger' AND resource.data.ingressSettings='ALLOW_ALL'" --format="csv(resource.data.httpsTrigger.url)"
// gcloud beta asset search-all-iam-policies --scope='organizations/12345678910' --query='memberTypes:("allUsers" OR "allAuthenticatedUsers") AND policy.role.permissions:cloudfunctions.functions.invoke'
function auditCloudFunctions() {
sendGAMP('auditCloudFunctions');
var sheet = createSheet("All Cloud Functions", ["Project", "Name", "Runtime", "Status", "Update Time"]);
// https://cloud.google.com/functions/docs/reference/rest/v1/projects.locations.functions
var assetTypes = "cloudfunctions.googleapis.com/CloudFunction";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
if (data.status == 'ACTIVE') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.name.split("/")[8], data.runtime, data.status, data.updateTime]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='container.googleapis.com/Cluster' --content-type='resource' --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.endpoint, resource.data.privateClusterConfig.enablePrivateEndpoint, resource.data.masterAuthorizedNetworksConfig.cidrBlocks, resource.data.status, resource.data.createTime)" --filter="resource.data.privateClusterConfig.enabledPrivateEndpoint AND resource.data.status='RUNNING'" > public_clusters.csv
function auditPublicGKEClusters() {
sendGAMP('auditPublicGKEClusters');
var sheet = createSheet("Public GKE Clusters", ["Project", "Name", "Version", "API Public Endpoint IP", "Authentication Methods", "Legacy ABAC", "Workload Identity", "API Authorized Networks", "Status", "Creation Time"]);
// https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1/projects.locations.clusters
var assetTypes = "container.googleapis.com/Cluster";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
if ((!data.hasOwnProperty('privateClusterConfig') || !data.privateClusterConfig.hasOwnProperty('enablePrivateEndpoint')) && data.status == 'RUNNING') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], data.name, data.currentMasterVersion, data.hasOwnProperty('privateClusterConfig') ? data.privateClusterConfig.publicEndpoint : data.endpoint, Object.keys(data.masterAuth).sort().join(","), Object.keys(data.legacyAbac).length > 0 ? data.legacyAbac.enabled : "FALSE", deepFind(data, "workloadIdentityConfig.workloadPool", "").length > 0 ? "TRUE": "FALSE", data.hasOwnProperty('masterAuthorizedNetworksConfig') ? (data.masterAuthorizedNetworksConfig.enabled ? data.masterAuthorizedNetworksConfig.cidrBlocks.map((block) => block.cidrBlock).join(",") : "") : "", data.status, data.createTime]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
function auditGKEClusters() {
initializeGlobals();
sendGAMP('auditGKEClusters');
var sheet = createSheet("All GKE Clusters", ["Project", "Name", "Version", "API Public Endpoint IP", "Authentication Methods", "Legacy ABAC", "Workload Identity", "API Authorized Networks", "Status", "Creation Time"]);
// https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1/projects.locations.clusters
var assetTypes = "container.googleapis.com/Cluster";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], data.name, data.currentMasterVersion, data.hasOwnProperty('privateClusterConfig') ? data.privateClusterConfig.publicEndpoint : data.endpoint, Object.keys(data.masterAuth).sort().join(","), Object.keys(data.legacyAbac).length > 0 ? data.legacyAbac.enabled : "FALSE", deepFind(data, "workloadIdentityConfig.workloadPool", "").length > 0 ? "TRUE": "FALSE", data.hasOwnProperty('masterAuthorizedNetworksConfig') ? (data.masterAuthorizedNetworksConfig.enabled ? data.masterAuthorizedNetworksConfig.cidrBlocks.map((block) => block.cidrBlock).join(",") : "") : "", data.status, data.createTime]]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=123456789101 --asset-types='appengine.googleapis.com/Application' --content-type='resource'
// gcloud beta asset list --organization=123456789101 --asset-types='appengine.googleapis.com/Service' --content-type='resource'
function auditPublicAppEngine() {
sendGAMP('auditPublicAppEngine');
var sheet = createSheet("Public App Engine", ["Project", "Name", "Status", "Identity-Aware Proxy", "Ingress Traffic", "Location", "Update Time", "Hostname"]);
// https://cloud.google.com/appengine/docs/admin-api/reference/rest/v1/apps.services
var assetTypes = "appengine.googleapis.com/Service";
var appToServices = {};
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var data = asset.resource.data;
if (data.networkSettings == null || data.networkSettings.ingressTrafficAllowed != "INGRESS_TRAFFIC_ALLOWED_INTERNAL_ONLY") {
var services = [];
if (asset.resource.parent in appToServices) {
services = appToServices[asset.resource.parent];
}
services.push(asset);
appToServices[asset.resource.parent] = services;
}
});
// Logger.log(assets.length);
});
// https://cloud.google.com/appengine/docs/admin-api/reference/rest/v1/apps
var assetTypes = "appengine.googleapis.com/Application";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var assetData = asset.resource.data;
if (assetData.servingStatus == 'SERVING') {
services = appToServices[asset.name];
if (services == null) {
// Skip these as the App Engine app has been setup, but never deployed
// var activeRange = sheet.getActiveRange();
// activeRange.setValues([[asset.resource.data.id, asset.resource.data.name, asset.resource.data.servingStatus, asset.resource.data.iap != null, "INGRESS_TRAFFIC_ALLOWED_ALL", asset.resource.location, asset.resource.data.defaultHostname ]]);
// sheet.setActiveRange(activeRange.offset(1, 0));
return;
}
services.forEach((service) => {
var serviceData = service.resource.data;
var activeRange = sheet.getActiveRange();
activeRange.setValues([[assetData.id, serviceData.name, assetData.servingStatus, assetData.iap != null, serviceData.networkSettings == null ? "INGRESS_TRAFFIC_ALLOWED_ALL" : serviceData.networkSettings.ingressTrafficAllowed, asset.resource.location, service.updateTime, serviceData.id == "default" ? assetData.defaultHostname : serviceData.id + "-dot-" + assetData.defaultHostname]]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// Checks for unauthenticated invocations which are allowed by setting allUsers in the service IAM policy
// https://cloud.google.com/run/docs/authenticating/public
// gcloud beta asset list --organization=123456787910 --asset-types='run.googleapis.com/Service' --content-type='resource'
function auditPublicCloudRun() {
sendGAMP('auditPublicCloudRun');
var sheet = createSheet("Public Cloud Run", ["Project", "Name", "Location", "Ingress", "Status", "Last Transition", "Url"]);
var unauthenticatedServices = new Set();
fetchIAMPolicies('memberTypes:("allUsers" OR "allAuthenticatedUsers") AND policy.role.permissions:run.routes.invoke', (results) => {
results.forEach((result) => {
unauthenticatedServices.add(result.resource);
});
});
// https://cloud.google.com/compute/docs/reference/rest/v1/instances
var assetTypes = "run.googleapis.com/Service";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
var ingress = deepFind(asset, "resource.data.metadata.annotations", {})["run.googleapis.com/ingress"];
if (ingress != "internal" && asset.resource.data.status.conditions[0].status == "True" && unauthenticatedServices.has(asset.name)) {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.resource.data.metadata.name, asset.resource.location, ingress == null ? "all" : ingress, asset.resource.data.status.conditions[0].type + ": " + asset.resource.data.status.conditions[0].status, asset.resource.data.status.conditions[0].lastTransitionTime, asset.resource.data.status.url]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='compute.googleapis.com/GlobalForwardingRule' --content-type='resource' --filter="resource.data.loadBalancingScheme='EXTERNAL'" --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.IPAddress, resource.data.portRange, resource.data.loadBalancingScheme, resource.data.creationTimestamp)" > external_global_forwarding_rule.csv
function auditExternalGlobalForwardingRules() {
sendGAMP('auditExternalGlobalForwardingRules');
var sheet = createSheet("External Global Forwarding Rules", ["Project", "Name", "IP Address", "Port Range", "Load Balancing Scheme", "Creation Time"]);
// https://cloud.google.com/compute/docs/reference/rest/v1/globalForwardingRules
var assetTypes = "compute.googleapis.com/GlobalForwardingRule";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
if (asset.resource.data.loadBalancingScheme == 'EXTERNAL' || asset.resource.data.loadBalancingScheme == 'EXTERNAL_MANAGED') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.resource.data.name, asset.resource.data.IPAddress, asset.resource.data.portRange, asset.resource.data.loadBalancingScheme, asset.resource.data.creationTimestamp]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='compute.googleapis.com/ForwardingRule' --content-type='resource' --filter="resource.data.loadBalancingScheme='EXTERNAL'" --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.IPAddress, resource.data.portRange, resource.data.loadBalancingScheme, resource.data.creationTimestamp)" > external_forwarding_rule.csv
function auditExternalForwardingRules() {
sendGAMP('auditExternalForwardingRules');
var sheet = createSheet("External Forwarding Rules", ["Project", "Name", "IP Address", "Port Range", "Load Balancing Scheme", "Creation Time"]);
// https://cloud.google.com/compute/docs/reference/rest/v1/forwardingRules
var assetTypes = "compute.googleapis.com/ForwardingRule";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
if (asset.resource.data.loadBalancingScheme == 'EXTERNAL' || asset.resource.data.loadBalancingScheme == 'EXTERNAL_MANAGED') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.resource.data.name, asset.resource.data.IPAddress, asset.resource.data.portRange, asset.resource.data.loadBalancingScheme, asset.resource.data.creationTimestamp]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
// gcloud beta asset list --organization=1234567891011 --asset-types='compute.googleapis.com/BackendService' --content-type='resource' --filter="resource.data.loadBalancingScheme='EXTERNAL'" --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.protocol, resource.data.port, resource.data.loadBalancingScheme, resource.data.creationTimestamp)" > external_backend_service.csv
function auditExternalBackendServices() {
sendGAMP('auditExternalBackendServices');
var sheet = createSheet("External Backend Services", ["Project", "Name", "Protocol", "Port", "Load Balancing Scheme", "Identity-Aware Proxy", "Creation Time"]);
// https://cloud.google.com/compute/docs/reference/rest/v1/backendServices
var assetTypes = "compute.googleapis.com/BackendService";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
if (asset.resource.data.loadBalancingScheme == 'EXTERNAL') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.resource.data.name, asset.resource.data.protocol, asset.resource.data.port, asset.resource.data.loadBalancingScheme, asset.resource.data.iap != null ? asset.resource.data.iap.enabled : false, asset.resource.data.creationTimestamp]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
function auditExternalRegionalBackendServices() {
sendGAMP('auditExternalRegionalBackendServices');
var sheet = createSheet("External Regional Backend Services", ["Project", "Name", "Region", "Protocol", "Port", "Load Balancing Scheme", "Identity-Aware Proxy", "Creation Time"]);
// https://cloud.google.com/compute/docs/reference/rest/v1/regionBackendServices
var assetTypes = "compute.googleapis.com/RegionBackendService";
fetchAllAssets(assetTypes, (assets) => {
if (assets == null) {
return;
}
assets.forEach((asset) => {
// Logger.log(JSON.stringify(asset));
if (asset.resource.data.loadBalancingScheme == 'EXTERNAL') {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[asset.name.split("/")[4], asset.resource.data.name, asset.resource.data.region.split("/")[8], asset.resource.data.protocol, asset.resource.data.port, asset.resource.data.loadBalancingScheme, asset.resource.data.iap != null ? asset.resource.data.iap.enabled : false, asset.resource.data.creationTimestamp]]);
sheet.setActiveRange(activeRange.offset(1, 0));
}
});
// Logger.log(assets.length);
SpreadsheetApp.flush();
});
}
/////// Queries for listing all assets
// gcloud beta asset list --organization=1234567891011 --asset-types='bigquery.googleapis.com/Dataset' --content-type='resource' --format="csv(resource.data.datasetReference.projectId, resource.data.datasetReference.datasetId, resource.data.location, resource.data.creationTime)" > bigquery_datasets.csv
// gcloud beta asset list --organization=1234567891011 --asset-types='compute.googleapis.com/Instance' --content-type='resource' --format="csv(name.scope(projects).segment(0), resource.data.name, resource.data.selfLink.scope(zones).segment(0), resource.data.status)" --filter="resource.data.status='RUNNING'" > running_instances.csv
// gcloud beta asset list --organization=1234567891011 --asset-types='sqladmin.googleapis.com/Instance' --content-type='resource' --format="csv(resource.data.project, resource.data.name, resource.data.gceZone, resource.data.settings.ipConfiguration.ipv4Enabled, resource.data.settings.ipConfiguration.requireSsl, resource.data.serverCaCert.createTime, resource.data.settings.activationPolicy)" --filter="resource.data.settings.activationPolicy='ALWAYS'" > all_cloudsql_instances.csv
// gcloud beta asset list --organization=1234567891011 --asset-types='spanner.googleapis.com/Instance' --content-type='resource' --format="csv(name.sc
// ope(projects).segment(0), name.scope(instances), resource.data.config.scope(instanceConfigs), resource.data.state)" --filter="resource.data.state='READY'" > all_spanner_instances.csv
// gcloud beta asset list --organization=1234567891011 --asset-types='cloudfunctions.googleapis.com/CloudFunction' --content-type='resource' --format="csv(name.scope(projects).segment(0), name.scope(functions).segment(0), name.scope(locations).segment(0), resource.data.updateTime, resource.data.status)" --filter='resource.data.status="ACTIVE"' > all_running_cloud_functions.csv
// gcloud beta asset list --organization=1234567891011 --asset-types='dataproc.googleapis.com/Cluster' --content-type='resource' --format="csv(name.scope(projects).segment(0), resource.data.clusterName, name.scope(regions).segment(0), resource.data.status.state, resource.data.status.stateStartTime)" --filter="resource.data.status.state='RUNNING'" > all_running_dataproc_clusters.csv
/////// Script for listing all project utiliization reccommendations
// ### https://cloud.google.com/recommender/docs/unattended-project-recommender#recommender_id
// ### https://github.com/GoogleCloudPlatform/cloud-shell-tutorials/blob/master/cloud-console-tutorials/active_assist_recommenders/unattended_project_recommender.md
// #!/bin/bash
// set -euo pipefail
// operating_project="project-1234"
// for project in $(gcloud projects list --format="value(projectId)")
// do
// recommendation_id=$(gcloud recommender recommendations list --project=$project --billing-project=$operating_project --recommender=google.resourcemanager.projectUtilization.Recommender --verbosity error --format="value(RECOMMENDATION_ID)" --location=global )
// if [ -z "$recommendation_id" ]
// then
// :
// else
// subtype=$(gcloud recommender recommendations describe $recommendation_id --project=$project --billing-project=$operating_project --recommender=google.resourcemanager.projectUtilization.Recommender --location=global | sed 's/\|/ /' | awk '/recommenderSubtype:/ {print $2}')
// if [ -z "$subtype" ]; then :
// else printf "Project ID: $project\nRecommendation: $subtype\n \n"
// fi
// fi
// done
function fetchAllProjectRecommendations(recommenderID, filter, callback) {
allProjectIDs.forEach((projectID) => {
try {
fetchAllRecommendations('projects/' + projectID, recommenderID, filter, callback);
} catch (error) {
// If the project isn't apart of the organization, then this request will fail with a 403
if (error.message.includes("Request failed for https://recommender.googleapis.com returned code 403")) {
Logger.log('Project ' + projectID + ' is not apart of the organization ' + organizationID + ' and cannot access Recommender API');
} else {
throw error;
}
}
});
}
function fetchAllFolderRecommendations(recommenderID, filter, callback) {
allFolderNumbers.forEach((folderNumber) => {
fetchAllRecommendations('folders/' + folderNumber, recommenderID, filter, callback);
});
}
function fetchAllOrganizationRecommendations(recommenderID, filter, callback) {
fetchAllRecommendations('organizations/' + organizationID, recommenderID, filter, callback);
}
function fetchAllRecommendations(parent, recommenderID, filter, callback) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'get',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
}
};
var nextPageToken = "";
while (nextPageToken != null) {
// https://cloud.google.com/recommender/docs/reference/rest/v1/projects.locations.recommenders.recommendations/list
// https://cloud.google.com/recommender/docs/reference/rest/v1/folders.locations.recommenders.recommendations/list
// https://cloud.google.com/recommender/docs/reference/rest/v1/organizations.locations.recommenders.recommendations/list
Logger.log('https://recommender.googleapis.com/v1/' + parent + '/locations/global/recommenders/' + recommenderID + '/recommendations?' + (filter != null ? 'filter=' + filter + '&' : '') + 'pageSize=1000&pageToken=' + nextPageToken)
var response = UrlFetchApp.fetch('https://recommender.googleapis.com/v1/' + parent + '/locations/global/recommenders/' + recommenderID + '/recommendations?' + (filter != null ? 'filter=' + filter + '&' : '') + '&pageSize=1000&pageToken=' + nextPageToken, options);
var jsonResponse = JSON.parse(response.getContentText());
if (Object.keys(jsonResponse).length > 0 && jsonResponse.recommendations.length > 0) {
callback(parent.split('/')[1], jsonResponse.recommendations);
}
nextPageToken = jsonResponse.nextPageToken;
}
}
function auditUnattendedProjects() {
sendGAMP('auditUnattendedProjects');
initializeGlobals();
var sheet = createSheet("Unused Projects", ["Project", "Recommendation", "Priority", "State", "Refresh Time", "Description"]);
// https://cloud.google.com/recommender/docs/recommenders
fetchAllProjectRecommendations("google.resourcemanager.projectUtilization.Recommender", "recommenderSubtype=CLEANUP_PROJECT", (projectID, recommendations) => {
recommendations.forEach((recommendation) => {
var activeRange = sheet.getActiveRange();
activeRange.setValues([[projectID, recommendation.recommenderSubtype, recommendation.priority, recommendation.stateInfo.state, recommendation.lastRefreshTime, recommendation.description]]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
SpreadsheetApp.flush();
});
}
// https://cloud.google.com/iam/docs/recommender-overview#how-recommender-works
function auditIAMRecommendations() {
sendGAMP('auditIAMRecommendations');
initializeGlobals();
var sheet = createSheet("IAM Recommendations", ["Resource Level", "Resource Name", "Recommendation", "Priority", "State", "Refresh Time", "Resource", "Role(s) to Add", "Role to Remove", "Principle"]);
// https://cloud.google.com/recommender/docs/recommenders
fetchAllOrganizationRecommendations("google.iam.policy.Recommender", "stateInfo.state=ACTIVE", (orgID, recommendations) => {
recommendations.forEach((recommendation) => {
var activeRange = sheet.getActiveRange();
activeRange.setValues([["Organization", orgID, recommendation.recommenderSubtype, recommendation.priority, recommendation.stateInfo.state, recommendation.lastRefreshTime].concat(extractIAMRecommendationContent(recommendation))]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
SpreadsheetApp.flush();
});
fetchAllFolderRecommendations("google.iam.policy.Recommender", "stateInfo.state=ACTIVE", (folderID, recommendations) => {
recommendations.forEach((recommendation) => {
var activeRange = sheet.getActiveRange();
activeRange.setValues([["Folder", allFolderNumbersToFolder[folderID].displayName, recommendation.recommenderSubtype, recommendation.priority, recommendation.stateInfo.state, recommendation.lastRefreshTime].concat(extractIAMRecommendationContent(recommendation))]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
SpreadsheetApp.flush();
});
fetchAllProjectRecommendations("google.iam.policy.Recommender", "stateInfo.state=ACTIVE", (projectID, recommendations) => {
recommendations.forEach((recommendation) => {
var activeRange = sheet.getActiveRange();
// Logger.log(recommendation);
// Logger.log(Object.keys(recommendation));
// Logger.log(recommendation.content.overview.addedRoles);
activeRange.setValues([["Project", projectID, recommendation.recommenderSubtype, recommendation.priority, recommendation.stateInfo.state, recommendation.lastRefreshTime].concat(extractIAMRecommendationContent(recommendation))]);
sheet.setActiveRange(activeRange.offset(1, 0));
});
SpreadsheetApp.flush();
});
}
function extractIAMRecommendationContent(recommendation) {
var overview = recommendation.content.overview;
var operations = recommendation.content.operationGroups[0].operations;
if (overview.resource == null) {
// For REPLACE_ROLE_CUSTOMIZABLE recommendations which don't contain an overview
var addOperations = operations.filter((operation) => operation.action == "add")
var removeOperations = operations.filter((operation) => operation.action == "remove")
return [operations[0].resource.split("/").slice(3).join('/'), addOperations.map((op) => op.pathFilters["/iamPolicy/bindings/*/role"]).join(', '), removeOperations.map((op) => op.pathFilters["/iamPolicy/bindings/*/role"]).join(', '), operations.map((op) => op.pathFilters["/iamPolicy/bindings/*/members/*"]).filter((member) => member != null && member != "").join(', ')]
} else {
return [overview.resource.split("/").slice(3).join('/'), overview.addedRoles == null ? "" : overview.addedRoles.join(', '), overview.removedRole, overview.member];
}
}
function fetchAllProjectInsights(insightID, filter, callback) {
allProjectIDs.forEach((projectID) => {
try {
fetchAllInsights('projects/' + projectID, insightID, filter, callback);
} catch (error) {
// If the project isn't apart of the organization, then this request will fail with a 403
if (error.message.includes("Request failed for https://recommender.googleapis.com returned code 403")) {
Logger.log('Project ' + projectID + ' is not apart of the organization ' + organizationID + ' and cannot access Recommender API');
} else {
throw error;
}
}
});
}
function fetchAllFolderInsights(insightID, filter, callback) {
allFolderNumbers.forEach((folderNumber) => {
fetchAllInsights('folders/' + folderNumber, insightID, filter, callback);
});
}
function fetchAllOrganizationInsights(insightID, filter, callback) {
fetchAllInsights('organizations/' + organizationID, insightID, filter, callback);
}
// https://cloud.google.com/recommender/docs/insights/using-insights
function fetchAllInsights(parent, insightID, filter, callback) {
var oauthToken = ScriptApp.getOAuthToken();
var options = {
'method': 'get',
'contentType': 'application/json',
'headers': {
'x-goog-user-project': operatingProjectID,
'Authorization': 'Bearer ' + oauthToken,
}
};
var nextPageToken = "";