github.com/mweagle/Sparta@v1.15.0/docs/reference/application/custom_resources/index.html (about) 1 <!DOCTYPE html> 2 <html lang="en" class="js csstransforms3d"> 3 <head> 4 <meta charset="utf-8"> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0"> 6 <meta name="generator" content="Hugo 0.69.2" /> 7 <meta name="description" content="Sparta - AWS Lambda Microservices"> 8 <meta name="author" content="Matt Weagle"> 9 10 <link rel="icon" href="/images/favicon.png" type="image/png"> 11 12 <title>Custom Resources :: Sparta - AWS Lambda Microservices</title> 13 14 15 <link href="/css/nucleus.css?1588464710" rel="stylesheet"> 16 <link href="/css/fontawesome-all.min.css?1588464710" rel="stylesheet"> 17 <link href="/css/hybrid.css?1588464710" rel="stylesheet"> 18 <link href="/css/featherlight.min.css?1588464710" rel="stylesheet"> 19 <link href="/css/perfect-scrollbar.min.css?1588464710" rel="stylesheet"> 20 <link href="/css/auto-complete.css?1588464710" rel="stylesheet"> 21 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<input data-search-input id="search-by" type="search" placeholder="Search..."> 62 <span data-search-clear=""><i class="fas fa-times"></i></span> 63 </div> 64 65 <script type="text/javascript" src="/js/lunr.min.js?1588464710"></script> 66 <script type="text/javascript" src="/js/auto-complete.js?1588464710"></script> 67 <script type="text/javascript"> 68 69 var baseurl = "\/"; 70 71 </script> 72 <script type="text/javascript" src="/js/search.js?1588464710"></script> 73 74 75 </div> 76 77 <div class="highlightable"> 78 <ul class="topics"> 79 80 81 82 83 84 85 86 87 88 <li data-nav-id="/getting_started/" title="Getting Started" class="dd-item 89 90 91 92 "> 93 <a href="/getting_started/"> 94 Getting Started 95 96 </a> 97 98 99 </li> 100 101 102 103 104 105 106 107 108 109 110 <li data-nav-id="/example_service/" title="Example Service" class="dd-item 111 112 113 114 "> 115 <a href="/example_service/"> 116 Example Service 117 118 </a> 119 120 121 <ul> 122 123 124 125 126 127 128 129 130 131 132 133 134 135 <li data-nav-id="/example_service/step1/" title="Overview" class="dd-item "> 136 <a href="/example_service/step1/"> 137 Overview 138 139 </a> 140 </li> 141 142 143 144 145 146 147 148 149 150 151 152 153 154 <li data-nav-id="/example_service/step2/" title="Details" class="dd-item "> 155 <a href="/example_service/step2/"> 156 Details 157 158 </a> 159 </li> 160 161 162 163 164 165 166 167 </ul> 168 169 </li> 170 171 172 173 174 175 176 177 178 179 180 <li data-nav-id="/concepts/" title="Concepts" class="dd-item 181 182 183 184 "> 185 <a href="/concepts/"> 186 Concepts 187 188 </a> 189 190 191 </li> 192 193 194 195 196 197 198 199 200 201 202 <li data-nav-id="/reference/" title="Reference" class="dd-item 203 parent 204 205 206 "> 207 <a href="/reference/"> 208 Reference 209 210 </a> 211 212 213 <ul> 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 <li data-nav-id="/reference/apigateway/" title="" class="dd-item 230 231 232 233 "> 234 <a href="/reference/apigateway/"> 235 <b>API Gateway</b> 236 237 </a> 238 239 240 <ul> 241 242 243 244 245 246 247 248 249 250 251 252 253 254 <li data-nav-id="/reference/apigateway/echo_event/" title="Echo" class="dd-item "> 255 <a href="/reference/apigateway/echo_event/"> 256 Echo 257 258 </a> 259 </li> 260 261 262 263 264 265 266 267 268 269 270 271 272 273 <li data-nav-id="/reference/apigateway/request_params/" title="Request Parameters" class="dd-item "> 274 <a href="/reference/apigateway/request_params/"> 275 Request Parameters 276 277 </a> 278 </li> 279 280 281 282 283 284 285 286 287 288 289 290 291 292 <li data-nav-id="/reference/apigateway/context/" title="Request Context" class="dd-item "> 293 <a href="/reference/apigateway/context/"> 294 Request Context 295 296 </a> 297 </li> 298 299 300 301 302 303 304 305 306 307 308 309 310 311 <li data-nav-id="/reference/apigateway/cors/" title="CORS" class="dd-item "> 312 <a href="/reference/apigateway/cors/"> 313 CORS 314 315 </a> 316 </li> 317 318 319 320 321 322 323 324 325 326 327 328 329 330 <li data-nav-id="/reference/apigateway/slack/" title="Slack SlashCommand" class="dd-item "> 331 <a href="/reference/apigateway/slack/"> 332 Slack SlashCommand 333 334 </a> 335 </li> 336 337 338 339 340 341 342 343 344 345 346 347 348 349 <li data-nav-id="/reference/apigateway/s3site/" title="S3 Sites with CORS" class="dd-item "> 350 <a href="/reference/apigateway/s3site/"> 351 S3 Sites with CORS 352 353 </a> 354 </li> 355 356 357 358 359 360 361 362 </ul> 363 364 </li> 365 366 367 368 369 370 371 372 373 374 375 376 377 <li data-nav-id="/reference/apiv2gateway/" title="" class="dd-item 378 379 380 381 "> 382 <a href="/reference/apiv2gateway/"> 383 <b>API V2 Gateway</b> 384 385 </a> 386 387 388 </li> 389 390 391 392 393 394 395 396 397 398 399 400 401 <li data-nav-id="/reference/eventsources/" title="" class="dd-item 402 403 404 405 "> 406 <a href="/reference/eventsources/"> 407 <b>Event Sources</b> 408 409 </a> 410 411 412 <ul> 413 414 415 416 417 418 419 420 421 422 423 424 425 426 <li data-nav-id="/reference/eventsources/codecommit/" title="CodeCommit" class="dd-item "> 427 <a href="/reference/eventsources/codecommit/"> 428 CodeCommit 429 430 </a> 431 </li> 432 433 434 435 436 437 438 439 440 441 442 443 444 445 <li data-nav-id="/reference/eventsources/cloudformation/" title="CloudFormation" class="dd-item "> 446 <a href="/reference/eventsources/cloudformation/"> 447 CloudFormation 448 449 </a> 450 </li> 451 452 453 454 455 456 457 458 459 460 461 462 463 464 <li data-nav-id="/reference/eventsources/cloudwatchevents/" title="CloudWatch Events" class="dd-item "> 465 <a href="/reference/eventsources/cloudwatchevents/"> 466 CloudWatch Events 467 468 </a> 469 </li> 470 471 472 473 474 475 476 477 478 479 480 481 482 483 <li data-nav-id="/reference/eventsources/cloudwatchlogs/" title="CloudWatch Logs" class="dd-item "> 484 <a href="/reference/eventsources/cloudwatchlogs/"> 485 CloudWatch Logs 486 487 </a> 488 </li> 489 490 491 492 493 494 495 496 497 498 499 500 501 502 <li data-nav-id="/reference/eventsources/cognito/" title="Cognito" class="dd-item "> 503 <a href="/reference/eventsources/cognito/"> 504 Cognito 505 506 </a> 507 </li> 508 509 510 511 512 513 514 515 516 517 518 519 520 521 <li data-nav-id="/reference/eventsources/dynamodb/" title="DynamoDB" class="dd-item "> 522 <a href="/reference/eventsources/dynamodb/"> 523 DynamoDB 524 525 </a> 526 </li> 527 528 529 530 531 532 533 534 535 536 537 538 539 540 <li data-nav-id="/reference/eventsources/kinesis/" title="Kinesis" class="dd-item "> 541 <a href="/reference/eventsources/kinesis/"> 542 Kinesis 543 544 </a> 545 </li> 546 547 548 549 550 551 552 553 554 555 556 557 558 559 <li data-nav-id="/reference/eventsources/s3/" title="S3" class="dd-item "> 560 <a href="/reference/eventsources/s3/"> 561 S3 562 563 </a> 564 </li> 565 566 567 568 569 570 571 572 573 574 575 576 577 578 <li data-nav-id="/reference/eventsources/ses/" title="SES" class="dd-item "> 579 <a href="/reference/eventsources/ses/"> 580 SES 581 582 </a> 583 </li> 584 585 586 587 588 589 590 591 592 593 594 595 596 597 <li data-nav-id="/reference/eventsources/sns/" title="SNS" class="dd-item "> 598 <a href="/reference/eventsources/sns/"> 599 SNS 600 601 </a> 602 </li> 603 604 605 606 607 608 609 610 611 612 613 614 615 616 <li data-nav-id="/reference/eventsources/sqs/" title="SQS" class="dd-item "> 617 <a href="/reference/eventsources/sqs/"> 618 SQS 619 620 </a> 621 </li> 622 623 624 625 626 627 628 629 </ul> 630 631 </li> 632 633 634 635 636 637 638 639 640 641 642 643 644 <li data-nav-id="/reference/archetypes/" title="" class="dd-item 645 646 647 648 "> 649 <a href="/reference/archetypes/"> 650 <b>Archetype Constructors</b> 651 652 </a> 653 654 655 <ul> 656 657 658 659 660 661 662 663 664 665 666 667 668 669 <li data-nav-id="/reference/archetypes/event_bridge/" title="Event Bridge" class="dd-item "> 670 <a href="/reference/archetypes/event_bridge/"> 671 Event Bridge 672 673 </a> 674 </li> 675 676 677 678 679 680 681 682 683 684 685 686 687 688 <li data-nav-id="/reference/archetypes/codecommit/" title="CodeCommit" class="dd-item "> 689 <a href="/reference/archetypes/codecommit/"> 690 CodeCommit 691 692 </a> 693 </li> 694 695 696 697 698 699 700 701 702 703 704 705 706 707 <li data-nav-id="/reference/archetypes/cloudwatch/" title="CloudWatch" class="dd-item "> 708 <a href="/reference/archetypes/cloudwatch/"> 709 CloudWatch 710 711 </a> 712 </li> 713 714 715 716 717 718 719 720 721 722 723 724 725 726 <li data-nav-id="/reference/archetypes/dynamodb/" title="DynamoDB" class="dd-item "> 727 <a href="/reference/archetypes/dynamodb/"> 728 DynamoDB 729 730 </a> 731 </li> 732 733 734 735 736 737 738 739 740 741 742 743 744 745 <li data-nav-id="/reference/archetypes/kinesis/" title="Kinesis" class="dd-item "> 746 <a href="/reference/archetypes/kinesis/"> 747 Kinesis 748 749 </a> 750 </li> 751 752 753 754 755 756 757 758 759 760 761 762 763 764 <li data-nav-id="/reference/archetypes/kinesis_firehose/" title="Kinesis Firehose" class="dd-item "> 765 <a href="/reference/archetypes/kinesis_firehose/"> 766 Kinesis Firehose 767 768 </a> 769 </li> 770 771 772 773 774 775 776 777 778 779 780 781 782 783 <li data-nav-id="/reference/archetypes/rest/" title="REST Service" class="dd-item "> 784 <a href="/reference/archetypes/rest/"> 785 REST Service 786 787 </a> 788 </li> 789 790 791 792 793 794 795 796 797 798 799 800 801 802 <li data-nav-id="/reference/archetypes/s3/" title="S3" class="dd-item "> 803 <a href="/reference/archetypes/s3/"> 804 S3 805 806 </a> 807 </li> 808 809 810 811 812 813 814 815 816 817 818 819 820 821 <li data-nav-id="/reference/archetypes/sns/" title="SNS" class="dd-item "> 822 <a href="/reference/archetypes/sns/"> 823 SNS 824 825 </a> 826 </li> 827 828 829 830 831 832 833 834 </ul> 835 836 </li> 837 838 839 840 841 842 843 844 845 846 847 848 849 <li data-nav-id="/reference/decorators/" title="" class="dd-item 850 851 852 853 "> 854 <a href="/reference/decorators/"> 855 <b>Build-Time Decorators</b> 856 857 </a> 858 859 860 <ul> 861 862 863 864 865 866 867 868 869 870 871 872 873 874 <li data-nav-id="/reference/decorators/application_load_balancer/" title="Application Load Balancer" class="dd-item "> 875 <a href="/reference/decorators/application_load_balancer/"> 876 Application Load Balancer 877 878 </a> 879 </li> 880 881 882 883 884 885 886 887 888 889 890 891 892 893 <li data-nav-id="/reference/decorators/cloudmap/" title="CloudMap Service Discovery" class="dd-item "> 894 <a href="/reference/decorators/cloudmap/"> 895 CloudMap Service Discovery 896 897 </a> 898 </li> 899 900 901 902 903 904 905 906 907 908 909 910 911 912 <li data-nav-id="/reference/decorators/cloudfront_distribution/" title="CloudFront Distribution" class="dd-item "> 913 <a href="/reference/decorators/cloudfront_distribution/"> 914 CloudFront Distribution 915 916 </a> 917 </li> 918 919 920 921 922 923 924 925 926 927 928 929 930 931 <li data-nav-id="/reference/decorators/lambda_versioning/" title="Lambda Versioning Decorator" class="dd-item "> 932 <a href="/reference/decorators/lambda_versioning/"> 933 Lambda Versioning Decorator 934 935 </a> 936 </li> 937 938 939 940 941 942 943 944 945 946 947 948 949 950 <li data-nav-id="/reference/decorators/publish_outputs/" title="Publishing Outputs" class="dd-item "> 951 <a href="/reference/decorators/publish_outputs/"> 952 Publishing Outputs 953 954 </a> 955 </li> 956 957 958 959 960 961 962 963 964 965 966 967 968 969 <li data-nav-id="/reference/decorators/s3_artifact_publisher/" title="S3 Artifact Publisher" class="dd-item "> 970 <a href="/reference/decorators/s3_artifact_publisher/"> 971 S3 Artifact Publisher 972 973 </a> 974 </li> 975 976 977 978 979 980 981 982 983 984 985 986 987 988 <li data-nav-id="/reference/decorators/dynamic_infrastructure/" title="Dynamic Infrastructure" class="dd-item "> 989 <a href="/reference/decorators/dynamic_infrastructure/"> 990 Dynamic Infrastructure 991 992 </a> 993 </li> 994 995 996 997 998 999 1000 1001 </ul> 1002 1003 </li> 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 <li data-nav-id="/reference/interceptors/" title="" class="dd-item 1017 1018 1019 1020 "> 1021 <a href="/reference/interceptors/"> 1022 <b>Runtime Interceptors</b> 1023 1024 </a> 1025 1026 1027 <ul> 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 <li data-nav-id="/reference/interceptors/xray_interceptor/" title="XRayInterceptor" class="dd-item "> 1042 <a href="/reference/interceptors/xray_interceptor/"> 1043 XRayInterceptor 1044 1045 </a> 1046 </li> 1047 1048 1049 1050 1051 1052 1053 1054 </ul> 1055 1056 </li> 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 <li data-nav-id="/reference/cli_options/" title="" class="dd-item 1070 1071 1072 1073 "> 1074 <a href="/reference/cli_options/"> 1075 <b>Command Line Options</b> 1076 1077 </a> 1078 1079 1080 </li> 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 <li data-nav-id="/reference/application/" title="" class="dd-item 1094 parent 1095 1096 1097 "> 1098 <a href="/reference/application/"> 1099 <b>Application Customization</b> 1100 1101 </a> 1102 1103 1104 <ul> 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 <li data-nav-id="/reference/application/custom_commands/" title="Custom Commands" class="dd-item "> 1119 <a href="/reference/application/custom_commands/"> 1120 Custom Commands 1121 1122 </a> 1123 </li> 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 <li data-nav-id="/reference/application/custom_flags/" title="Custom Flags" class="dd-item "> 1138 <a href="/reference/application/custom_flags/"> 1139 Custom Flags 1140 1141 </a> 1142 </li> 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 <li data-nav-id="/reference/application/environments/" title="Managing Environments" class="dd-item "> 1157 <a href="/reference/application/environments/"> 1158 Managing Environments 1159 1160 </a> 1161 </li> 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 <li data-nav-id="/reference/application/custom_lambda_resources/" title="CloudFormation Resources" class="dd-item "> 1176 <a href="/reference/application/custom_lambda_resources/"> 1177 CloudFormation Resources 1178 1179 </a> 1180 </li> 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 <li data-nav-id="/reference/application/custom_resources/" title="Custom Resources" class="dd-item active"> 1195 <a href="/reference/application/custom_resources/"> 1196 Custom Resources 1197 1198 </a> 1199 </li> 1200 1201 1202 1203 1204 1205 1206 1207 </ul> 1208 1209 </li> 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 <li data-nav-id="/reference/step/" title="" class="dd-item 1223 1224 1225 1226 "> 1227 <a href="/reference/step/"> 1228 <b>Step Functions</b> 1229 1230 </a> 1231 1232 1233 <ul> 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 <li data-nav-id="/reference/step/lambda/" title="Lambda" class="dd-item "> 1250 <a href="/reference/step/lambda/"> 1251 Lambda 1252 1253 </a> 1254 </li> 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 <li data-nav-id="/reference/step/fargate/" title="Fargate" class="dd-item "> 1269 <a href="/reference/step/fargate/"> 1270 Fargate 1271 1272 </a> 1273 </li> 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 <li data-nav-id="/reference/step/services/" title="" class="dd-item 1288 1289 1290 1291 "> 1292 <a href="/reference/step/services/"> 1293 <b>Service Integrations</b> 1294 1295 </a> 1296 1297 1298 <ul> 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 <li data-nav-id="/reference/step/services/dynamodb/" title="Amazon DynamoDb" class="dd-item "> 1313 <a href="/reference/step/services/dynamodb/"> 1314 Amazon DynamoDb 1315 1316 </a> 1317 </li> 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 <li data-nav-id="/reference/step/services/sagemaker/" title="Amazon SageMaker" class="dd-item "> 1332 <a href="/reference/step/services/sagemaker/"> 1333 Amazon SageMaker 1334 1335 </a> 1336 </li> 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 <li data-nav-id="/reference/step/services/sns/" title="Amazon SNS" class="dd-item "> 1351 <a href="/reference/step/services/sns/"> 1352 Amazon SNS 1353 1354 </a> 1355 </li> 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 <li data-nav-id="/reference/step/services/sqs/" title="Amazon SQS" class="dd-item "> 1370 <a href="/reference/step/services/sqs/"> 1371 Amazon SQS 1372 1373 </a> 1374 </li> 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 <li data-nav-id="/reference/step/services/batch/" title="AWS Batch" class="dd-item "> 1389 <a href="/reference/step/services/batch/"> 1390 AWS Batch 1391 1392 </a> 1393 </li> 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 <li data-nav-id="/reference/step/services/fargate/" title="AWS Fargate" class="dd-item "> 1408 <a href="/reference/step/services/fargate/"> 1409 AWS Fargate 1410 1411 </a> 1412 </li> 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 <li data-nav-id="/reference/step/services/glue/" title="AWS Glue" class="dd-item "> 1427 <a href="/reference/step/services/glue/"> 1428 AWS Glue 1429 1430 </a> 1431 </li> 1432 1433 1434 1435 1436 1437 1438 1439 </ul> 1440 1441 </li> 1442 1443 1444 1445 1446 1447 1448 </ul> 1449 1450 </li> 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 <li data-nav-id="/reference/discovery/" title="Discovery Service" class="dd-item "> 1464 <a href="/reference/discovery/"> 1465 Discovery Service 1466 1467 </a> 1468 </li> 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 <li data-nav-id="/reference/docker/" title="Docker" class="dd-item "> 1483 <a href="/reference/docker/"> 1484 Docker 1485 1486 </a> 1487 </li> 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 <li data-nav-id="/reference/hybrid_topologies/" title="Hybrid Topologies" class="dd-item "> 1502 <a href="/reference/hybrid_topologies/"> 1503 Hybrid Topologies 1504 1505 </a> 1506 </li> 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 <li data-nav-id="/reference/operations/" title="" class="dd-item 1521 1522 1523 1524 "> 1525 <a href="/reference/operations/"> 1526 <b>Operations</b> 1527 1528 </a> 1529 1530 1531 <ul> 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 <li data-nav-id="/reference/operations/magefile/" title="Magefiles" class="dd-item "> 1546 <a href="/reference/operations/magefile/"> 1547 Magefiles 1548 1549 </a> 1550 </li> 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 <li data-nav-id="/reference/operations/cloudwatch_alarms/" title="CloudWatch Alarms" class="dd-item "> 1565 <a href="/reference/operations/cloudwatch_alarms/"> 1566 CloudWatch Alarms 1567 1568 </a> 1569 </li> 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 <li data-nav-id="/reference/operations/cloudwatch_dashboard/" title="CloudWatch Dashboard" class="dd-item "> 1584 <a href="/reference/operations/cloudwatch_dashboard/"> 1585 CloudWatch Dashboard 1586 1587 </a> 1588 </li> 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 <li data-nav-id="/reference/operations/codedeploy_service_update/" title="CodeDeploy Service Update" class="dd-item "> 1603 <a href="/reference/operations/codedeploy_service_update/"> 1604 CodeDeploy Service Update 1605 1606 </a> 1607 </li> 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 <li data-nav-id="/reference/operations/cicd/" title="CI/CD" class="dd-item "> 1622 <a href="/reference/operations/cicd/"> 1623 CI/CD 1624 1625 </a> 1626 </li> 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 <li data-nav-id="/reference/operations/deployment_strategies/" title="Deployment Strategies" class="dd-item "> 1641 <a href="/reference/operations/deployment_strategies/"> 1642 Deployment Strategies 1643 1644 </a> 1645 </li> 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 <li data-nav-id="/reference/operations/metrics_publisher/" title="Metrics Publisher" class="dd-item "> 1660 <a href="/reference/operations/metrics_publisher/"> 1661 Metrics Publisher 1662 1663 </a> 1664 </li> 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 <li data-nav-id="/reference/operations/profiling/" title="Profiling" class="dd-item "> 1679 <a href="/reference/operations/profiling/"> 1680 Profiling 1681 1682 </a> 1683 </li> 1684 1685 1686 1687 1688 1689 1690 1691 </ul> 1692 1693 </li> 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 <li data-nav-id="/reference/testing/" title="Testing" class="dd-item "> 1707 <a href="/reference/testing/"> 1708 Testing 1709 1710 </a> 1711 </li> 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 <li data-nav-id="/reference/supporting_packages/" title="Supporting Packages" class="dd-item "> 1726 <a href="/reference/supporting_packages/"> 1727 Supporting Packages 1728 1729 </a> 1730 </li> 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 <li data-nav-id="/reference/limitations/" title="Limitations" class="dd-item "> 1745 <a href="/reference/limitations/"> 1746 Limitations 1747 1748 </a> 1749 </li> 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 <li data-nav-id="/reference/faq/" title="FAQ" class="dd-item "> 1764 <a href="/reference/faq/"> 1765 FAQ 1766 1767 </a> 1768 </li> 1769 1770 1771 1772 1773 1774 1775 1776 </ul> 1777 1778 </li> 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 <li data-nav-id="/presentations/" title="Presentations" class="dd-item 1790 1791 1792 1793 "> 1794 <a href="/presentations/"> 1795 Presentations 1796 1797 </a> 1798 1799 1800 </li> 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 <li data-nav-id="/meta/" title="Meta" class="dd-item 1812 1813 1814 1815 "> 1816 <a href="/meta/"> 1817 Meta 1818 1819 </a> 1820 1821 1822 </li> 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 <li data-nav-id="/credits/" title="Credits" class="dd-item 1834 1835 1836 1837 "> 1838 <a href="/credits/"> 1839 Credits 1840 1841 </a> 1842 1843 1844 </li> 1845 1846 1847 1848 1849 1850 </ul> 1851 1852 1853 1854 <section id="shortcuts"> 1855 <h3>More</h3> 1856 <ul> 1857 1858 <li> 1859 <a class="padding" href="https://github.com/mweagle/Sparta"><i class='fab fa-fw fa-github'></i> Github repo</a> 1860 </li> 1861 1862 <li> 1863 <a class="padding" href="https://github.com/mweagle?utf8=%E2%9C%93&tab=repositories&q=Sparta&type=&language="><i class='fas fa-fw fa-camera'></i> Showcases</a> 1864 </li> 1865 1866 <li> 1867 <a class="padding" href="https://github.com/mweagle/Sparta/blob/master/CHANGES.md"><i class='fas fa-fw fa-signal'></i> Release History</a> 1868 </li> 1869 1870 </ul> 1871 </section> 1872 1873 1874 1875 <section id="footer"> 1876 1877 Build: <a target="_blank" href="https://github.com/mweagle/Sparta/commit/46463572">46463572</a><p/> 1878 Date: 2020-05-02T17:11:50-07:00 1879 1880 1881 <p>Built with <a href="https://github.com/matcornic/hugo-theme-learn"><i class="fas fa-heart"></i></a> from <a href="http://getgrav.org">Grav</a> and <a href="http://gohugo.io/">Hugo</a></p> 1882 1883 </section> 1884 </div> 1885 </nav> 1886 1887 1888 1889 1890 1891 <section id="body"> 1892 <div id="overlay"></div> 1893 <div class="padding highlightable"> 1894 1895 <div> 1896 <div id="top-bar"> 1897 1898 1899 1900 1901 <div id="top-github-link"> 1902 <a class="github-link" title='Edit this page' href="https://github.com/mweagle/Sparta/tree/docs/content/reference/application/custom_resources.md" target="blank"> 1903 <i class="fas fa-code-branch"></i> 1904 <span id="top-github-link-text">Edit this page</span> 1905 </a> 1906 </div> 1907 1908 1909 1910 <div id="breadcrumbs" itemscope="" itemtype="http://data-vocabulary.org/Breadcrumb"> 1911 <span id="sidebar-toggle-span"> 1912 <a href="#" id="sidebar-toggle" data-sidebar-toggle=""> 1913 <i class="fas fa-bars"></i> 1914 </a> 1915 </span> 1916 1917 <span id="toc-menu"><i class="fas fa-list-alt"></i></span> 1918 1919 <span class="links"> 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 <a href='/'></a> > <a href='/reference/'>Reference</a> > <a href='/reference/application/'></a> > Custom Resources 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 </span> 1948 </div> 1949 1950 <div class="progress"> 1951 <div class="wrapper"> 1952 <nav id="TableOfContents"> 1953 <ul> 1954 <li><a href="#components">Components</a> 1955 <ul> 1956 <li><a href="#custom-resource-functioon">Custom Resource Functioon</a></li> 1957 <li><a href="#requirecustomresource">RequireCustomResource</a></li> 1958 <li><a href="#optional---template-decorator">Optional - Template Decorator</a></li> 1959 <li><a href="#optional---discovery">Optional - Discovery</a></li> 1960 </ul> 1961 </li> 1962 <li><a href="#wrapping-up">Wrapping Up</a></li> 1963 </ul> 1964 </nav> 1965 </div> 1966 </div> 1967 1968 1969 </div> 1970 </div> 1971 1972 <div id="head-tags"> 1973 1974 </div> 1975 1976 <div id="body-inner"> 1977 1978 <h1> 1979 1980 Custom Resources 1981 </h1> 1982 1983 1984 1985 1986 1987 1988 <p>In some circumstances your service may need to provision or access resources that fall outside the standard workflow. In this case you can use <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-custom-resources-lambda.html">CloudFormation Lambda-backed CustomResources</a> to create or access resources during your CloudFormation stack’s lifecycle.</p> 1989 <p>Sparta provides unchecked access to the CloudFormation resource lifecycle via the <a href="https://godoc.org/github.com/mweagle/Sparta#LambdaAWSInfo.RequireCustomResource">RequireCustomResource</a> function. This function registers an AWS Lambda Function as an CloudFormation custom resource <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/crpg-ref-requesttypes.html">lifecycle</a>.</p> 1990 <p>In this section we’ll walk through a sample user-defined custom resource and discuss how a custom resource’s outputs can be propagated to an application-level Sparta lambda function.</p> 1991 <h2 id="components">Components</h2> 1992 <p>Defining a custom resource is a two stage process, depending on whether your application-level lambda function requires access to the custom resource outputs:</p> 1993 <ol> 1994 <li>The user-defined AWS Lambda Function 1995 - This function defines your resource’s logic. The multiple return value is <code>map[string]interface{}, error</code> which signify resource results and operation error, respectively.</li> 1996 <li>The <code>LambdaAWSInfo</code> struct which declares a dependency on your custom resource via the <a href="https://godoc.org/github.com/mweagle/Sparta#LambdaAWSInfo.RequireCustomResource">RequireCustomResource</a> member function.</li> 1997 <li><em>Optional</em> - A call to <em>github.com/mweagle/Sparta/aws/cloudformation/resources.SendCloudFormationResponse</em> to signal CloudFormation creation status.</li> 1998 <li><em>Optional</em> - The template decorator that binds your CustomResource’s <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/crpg-ref-responses.html">data results</a> to the owning <code>LambdaAWSInfo</code> caller.</li> 1999 <li><em>Optional</em> - A call from your standard Lambda’s function body to discover the CustomResource outputs via <code>sparta.Discover()</code>.</li> 2000 </ol> 2001 <h3 id="custom-resource-functioon">Custom Resource Functioon</h3> 2002 <p>A Custom Resource Function is a standard AWS Lambda Go function type that 2003 accepts a <code>CloudFormationLambdaEvent</code> input type. This type holds all information 2004 for the requested <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-custom-resources-lambda.html">operation</a>.</p> 2005 <p>The multiple return values denote success with non-empty results, or an error.</p> 2006 <p>As an example, we’ll use the following custom resource function:</p> 2007 <div class="highlight"><pre style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2"><code class="language-go" data-lang="go"><span style="color:#00f">import</span> ( 2008 awsLambdaCtx <span style="color:#a31515">"github.com/aws/aws-lambda-go/lambdacontext"</span> 2009 spartaCFResources <span style="color:#a31515">"github.com/mweagle/Sparta/aws/cloudformation/resources"</span> 2010 ) 2011 2012 <span style="color:#008000">// User defined λ-backed CloudFormation CustomResource 2013 </span><span style="color:#008000"></span><span style="color:#00f">func</span> userDefinedCustomResource(ctx context.Context, 2014 event spartaCFResources.CloudFormationLambdaEvent) (<span style="color:#00f">map</span>[<span style="color:#2b91af">string</span>]<span style="color:#00f">interface</span>{}, <span style="color:#2b91af">error</span>) { 2015 2016 logger, _ := ctx.Value(ContextKeyLogger).(*logrus.Logger) 2017 lambdaCtx, _ := awsLambdaCtx.FromContext(ctx) 2018 2019 <span style="color:#00f">var</span> opResults = <span style="color:#00f">map</span>[<span style="color:#2b91af">string</span>]<span style="color:#00f">interface</span>{}{ 2020 <span style="color:#a31515">"CustomResourceResult"</span>: <span style="color:#a31515">"Victory!"</span>, 2021 } 2022 2023 opErr := spartaCFResources.SendCloudFormationResponse(lambdaCtx, 2024 &event, 2025 opResults, 2026 <span style="color:#00f">nil</span>, 2027 logger) 2028 <span style="color:#00f">return</span> opResults, opErr 2029 } 2030 </code></pre></div><p>This function always succeeds and publishes a non-empty map consisting of a single key (<code>CustomResourceResult</code>) 2031 to CloudFormation. This value can be accessed by other CloudFormation resources.</p> 2032 <h3 id="requirecustomresource">RequireCustomResource</h3> 2033 <p>The next step is to associate this custom resource function with a previously created Sparta <code>LambdaAWSInfo</code> instance via <a href="https://godoc.org/github.com/mweagle/Sparta#LambdaAWSInfo.RequireCustomResource">RequireCustomResource</a>. This function accepts:</p> 2034 <ul> 2035 <li><code>roleNameOrIAMRoleDefinition</code>: The IAM role name or definition under which the custom resource function should be executed. Equivalent to the same argument in <a href="https://godoc.org/github.com/mweagle/Sparta#NewAWSLambda">NewAWSLambda</a>.</li> 2036 <li><code>userFunc</code>: Custom resource function handler</li> 2037 <li><code>lambdaOptions</code>: Lambda execution options. Equivalent to the same argument in <a href="https://godoc.org/github.com/mweagle/Sparta#NewAWSLambda">NewAWSLambda</a>.</li> 2038 <li><code>resourceProps</code>: Arbitrary, optional properties that will be provided to the <code>userFunc</code> during execution.</li> 2039 </ul> 2040 <p>The multiple return values denote the logical, stable CloudFormation resource ID of the new custom resource, or an error if one occurred.</p> 2041 <p>For example, our custom resource function above can be associated via:</p> 2042 <div class="highlight"><pre style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2"><code class="language-go" data-lang="go"><span style="color:#008000">// Standard AWS λ function 2043 </span><span style="color:#008000"></span><span style="color:#00f">func</span> helloWorld(ctx context.Context) (<span style="color:#2b91af">string</span>, <span style="color:#2b91af">error</span>) { 2044 <span style="color:#00f">return</span> <span style="color:#a31515">"Hello World"</span>, <span style="color:#00f">nil</span> 2045 } 2046 2047 <span style="color:#00f">func</span> ExampleLambdaAWSInfo_RequireCustomResource() { 2048 lambdaFn, _ := sparta.NewAWSLambda(sparta.LambdaName(helloWorld), 2049 helloWorld, 2050 sparta.IAMRoleDefinition{}) 2051 2052 cfResName, _ := lambdaFn.RequireCustomResource(IAMRoleDefinition{}, 2053 userDefinedCustomResource, 2054 <span style="color:#00f">nil</span>, 2055 <span style="color:#00f">nil</span>) 2056 } 2057 </code></pre></div><p>Since our custom resource function doesn’t require any additional AWS resources, we provide an empty <a href="https://godoc.org/github.com/mweagle/Sparta#IAMRoleDefinition">IAMRoleDefinition</a>.</p> 2058 <p>These two steps are sufficient to include your custom resource function in the CloudFormation stack lifecycle.</p> 2059 <p>It’s possible to share state from the custom resource to a standard Sparta lambda function by annotating your Sparta lambda function’s metadata and then discovering it at execution time.</p> 2060 <h3 id="optional---template-decorator">Optional - Template Decorator</h3> 2061 <p>To link these resources together, the first step is to include a <a href="https://godoc.org/github.com/mweagle/Sparta#TemplateDecorator">TemplateDecorator</a> that annotates your Sparta lambda function’s CloudFormation resource metadata. This function specifies which user defined output keys (<code>CustomResourceResult</code> in this example) you wish to make available during your lambda function’s execution.</p> 2062 <div class="highlight"><pre style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2"><code class="language-go" data-lang="go">lambdaFn.Decorator = <span style="color:#00f">func</span>(serviceName <span style="color:#2b91af">string</span>, 2063 lambdaResourceName <span style="color:#2b91af">string</span>, 2064 lambdaResource gocf.LambdaFunction, 2065 resourceMetadata <span style="color:#00f">map</span>[<span style="color:#2b91af">string</span>]<span style="color:#00f">interface</span>{}, 2066 S3Bucket <span style="color:#2b91af">string</span>, 2067 S3Key <span style="color:#2b91af">string</span>, 2068 buildID <span style="color:#2b91af">string</span>, 2069 cfTemplate *gocf.Template, 2070 context <span style="color:#00f">map</span>[<span style="color:#2b91af">string</span>]<span style="color:#00f">interface</span>{}, 2071 logger *logrus.Logger) <span style="color:#2b91af">error</span> { 2072 2073 <span style="color:#008000">// Pass CustomResource outputs to the λ function 2074 </span><span style="color:#008000"></span> resourceMetadata[<span style="color:#a31515">"CustomResource"</span>] = gocf.GetAtt(cfResName, <span style="color:#a31515">"CustomResourceResult"</span>) 2075 <span style="color:#00f">return</span> <span style="color:#00f">nil</span> 2076 } 2077 </code></pre></div><p>The <code>cfResName</code> value is the CloudFormation resource name returned by <code>RequireCustomResource</code>. The template decorator specifies which of your <a href="https://godoc.org/github.com/mweagle/Sparta#CustomResourceFunction">CustomResourceFunction</a> outputs should be discoverable during the paren’t lambda functions execution time through a <a href="https://godoc.org/github.com/crewjam/go-cloudformation#GetAtt">go-cloudformation</a> version of <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-getatt.html">Fn::GetAtt</a>.</p> 2078 <h3 id="optional---discovery">Optional - Discovery</h3> 2079 <p>Discovery is handled by <a href="https://godoc.org/github.com/mweagle/Sparta#Discover">sparta.Discover()</a> which returns a <a href="https://godoc.org/github.com/mweagle/Sparta#DiscoveryInfo">DiscoveryInfo</a> instance pointer containing the linked Custom Resource outputs. The calling Sparta lambda function can discover its own <a href="https://godoc.org/github.com/mweagle/Sparta#DiscoveryResource">DiscoveryResource</a> keyname via the top-level <code>ResourceID</code> field. Once found, the calling function then looks up the linked custom resource output via the <code>Properties</code> field using the keyname (<code>CustomResource</code>) provided in the previous template decorator.</p> 2080 <p>In this example, the unmarshalled <em>DiscoveryInfo</em> struct looks like:</p> 2081 <div class="highlight"><pre style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2"><code class="language-json" data-lang="json">{ 2082 "Discovery": { 2083 "ResourceID": <span style="color:#a31515">"mainhelloWorldLambda837e49c53be175a0f75018a148ab6cd22841cbfb"</span>, 2084 "Region": <span style="color:#a31515">"us-west-2"</span>, 2085 "StackID": <span style="color:#a31515">"arn:aws:cloudformation:us-west-2:123412341234:stack/SpartaHelloWorld/70b28170-13f9-11e6-b0c7-50d5ca11b8d2"</span>, 2086 "StackName": <span style="color:#a31515">"SpartaHelloWorld"</span>, 2087 "Resources": { 2088 "mainhelloWorldLambda837e49c53be175a0f75018a148ab6cd22841cbfb": { 2089 "ResourceID": <span style="color:#a31515">"mainhelloWorldLambda837e49c53be175a0f75018a148ab6cd22841cbfb"</span>, 2090 "Properties": { 2091 "CustomResource": <span style="color:#a31515">"Victory!"</span> 2092 }, 2093 "Tags": {} 2094 } 2095 } 2096 }, 2097 "level": <span style="color:#a31515">"info"</span>, 2098 "msg": <span style="color:#a31515">"Custom resource request"</span>, 2099 "time": <span style="color:#a31515">"2016-05-07T14:13:37Z"</span> 2100 } 2101 </code></pre></div><p>To lookup the output, the calling function might do something like:</p> 2102 <div class="highlight"><pre style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2"><code class="language-go" data-lang="go">configuration, _ := sparta.Discover() 2103 customResult := configuration.Resources[configuration.ResourceID].Properties[<span style="color:#a31515">"CustomResourceResult"</span>] 2104 </code></pre></div><h2 id="wrapping-up">Wrapping Up</h2> 2105 <p>CloudFormation Custom Resources are a powerful tool that can help pre-existing applications migrate to a Sparta application.</p> 2106 <h1 id="notes">Notes</h1> 2107 <ul> 2108 <li>Sparta uses <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/template-custom-resources-lambda.html">Lambda-backed CustomResource</a> functions, so they are subject to the same <a href="http://docs.aws.amazon.com/lambda/latest/dg/limits.html">Lambda limits</a> as application-level Sparta lambda functions.</li> 2109 <li>Returning an error from the CustomResourceFunction will result in a <em>FAILED</em> reason being returned in the CloudFormation <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/crpg-ref-responses.html">response object</a>.</li> 2110 </ul> 2111 2112 2113 <footer class="footline"> 2114 2115 </footer> 2116 2117 2118 </div> 2119 2120 2121 </div> 2122 2123 <div id="navigation"> 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 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