installers/charm/mongodb-exporter/tests/test_charm.py

   1 #!/usr/bin/env python3
   2 # Copyright 2021 Canonical Ltd.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   5 # not use this file except in compliance with the License. You may obtain
   6 # a copy of the License at
   7 #
   8 #         http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13 # License for the specific language governing permissions and limitations
  14 # under the License.
  15 #
  16 # For those usages not covered by the Apache License, Version 2.0 please
  17 # contact: legal@canonical.com
  18 #
  19 # To get in touch with the maintainers, please contact:
  20 # osm-charmers@lists.launchpad.net
  21 ##
  22
  23 import sys
  24 from typing import NoReturn
  25 import unittest
  26
  27 from charm import MongodbExporterCharm
  28 from ops.model import ActiveStatus, BlockedStatus
  29 from ops.testing import Harness
  30
  31
  32 class TestCharm(unittest.TestCase):
  33     """Mongodb Exporter Charm unit tests."""
  34
  35     def setUp(self) -> NoReturn:
  36         """Test setup"""
  37         self.image_info = sys.modules["oci_image"].OCIImageResource().fetch()
  38         self.harness = Harness(MongodbExporterCharm)
  39         self.harness.set_leader(is_leader=True)
  40         self.harness.begin()
  41         self.config = {
  42             "ingress_whitelist_source_range": "",
  43             "tls_secret_name": "",
  44             "site_url": "https://mongodb-exporter.192.168.100.100.nip.io",
  45             "cluster_issuer": "vault-issuer",
  46         }
  47         self.harness.update_config(self.config)
  48
  49     def test_config_changed_no_relations(
  50         self,
  51     ) -> NoReturn:
  52         """Test ingress resources without HTTP."""
  53
  54         self.harness.charm.on.config_changed.emit()
  55
  56         # Assertions
  57         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
  58         print(self.harness.charm.unit.status.message)
  59         self.assertTrue(
  60             all(
  61                 relation in self.harness.charm.unit.status.message
  62                 for relation in ["mongodb"]
  63             )
  64         )
  65
  66     def test_config_changed_non_leader(
  67         self,
  68     ) -> NoReturn:
  69         """Test ingress resources without HTTP."""
  70         self.harness.set_leader(is_leader=False)
  71         self.harness.charm.on.config_changed.emit()
  72
  73         # Assertions
  74         self.assertIsInstance(self.harness.charm.unit.status, ActiveStatus)
  75
  76     def test_with_relations(
  77         self,
  78     ) -> NoReturn:
  79         "Test with relations"
  80         self.initialize_mongo_relation()
  81
  82         # Verifying status
  83         self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
  84
  85     def test_with_config(
  86         self,
  87     ) -> NoReturn:
  88         "Test with config"
  89         self.initialize_mongo_relation()
  90
  91         # Verifying status
  92         self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
  93
  94     def test_mongodb_exception_relation_and_config(
  95         self,
  96     ) -> NoReturn:
  97         self.initialize_mongo_config()
  98         self.initialize_mongo_relation()
  99
 100         # Verifying status
 101         self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
 102
 103     def initialize_mongo_relation(self):
 104         mongodb_relation_id = self.harness.add_relation("mongodb", "mongodb")
 105         self.harness.add_relation_unit(mongodb_relation_id, "mongodb/0")
 106         self.harness.update_relation_data(
 107             mongodb_relation_id,
 108             "mongodb/0",
 109             {"connection_string": "mongodb://mongo:27017"},
 110         )
 111
 112     def initialize_mongo_config(self):
 113         self.harness.update_config({"mongodb_uri": "mongodb://mongo:27017"})
 114
 115
 116 if __name__ == "__main__":
 117     unittest.main()
 118
 119
 120 # class TestCharm(unittest.TestCase):
 121 #    """Mongodb Exporter Charm unit tests."""
 122 #
 123 #    def setUp(self) -> NoReturn:
 124 #        """Test setup"""
 125 #        self.harness = Harness(MongodbExporterCharm)
 126 #        self.harness.set_leader(is_leader=True)
 127 #        self.harness.begin()
 128 #
 129 #    def test_on_start_without_relations(self) -> NoReturn:
 130 #        """Test installation without any relation."""
 131 #        self.harness.charm.on.start.emit()
 132 #
 133 #        # Verifying status
 134 #        self.assertIsInstance(self.harness.charm.unit.status, BlockedStatus)
 135 #
 136 #        # Verifying status message
 137 #        self.assertGreater(len(self.harness.charm.unit.status.message), 0)
 138 #        self.assertTrue(
 139 #            self.harness.charm.unit.status.message.startswith("Waiting for ")
 140 #        )
 141 #        self.assertIn("mongodb", self.harness.charm.unit.status.message)
 142 #        self.assertTrue(self.harness.charm.unit.status.message.endswith(" relation"))
 143 #
 144 #    def test_on_start_with_relations_without_http(self) -> NoReturn:
 145 #        """Test deployment."""
 146 #        expected_result = {
 147 #            "version": 3,
 148 #            "containers": [
 149 #                {
 150 #                    "name": "mongodb-exporter",
 151 #                    "imageDetails": self.harness.charm.image.fetch(),
 152 #                    "imagePullPolicy": "Always",
 153 #                    "ports": [
 154 #                        {
 155 #                            "name": "mongo-exporter",
 156 #                            "containerPort": 9216,
 157 #                            "protocol": "TCP",
 158 #                        }
 159 #                    ],
 160 #                    "envConfig": {
 161 #                        "MONGODB_URI": "mongodb://mongo",
 162 #                    },
 163 #                    "kubernetes": {
 164 #                        "readinessProbe": {
 165 #                            "httpGet": {
 166 #                                "path": "/api/health",
 167 #                                "port": 9216,
 168 #                            },
 169 #                            "initialDelaySeconds": 10,
 170 #                            "periodSeconds": 10,
 171 #                            "timeoutSeconds": 5,
 172 #                            "successThreshold": 1,
 173 #                            "failureThreshold": 3,
 174 #                        },
 175 #                        "livenessProbe": {
 176 #                            "httpGet": {
 177 #                                "path": "/api/health",
 178 #                                "port": 9216,
 179 #                            },
 180 #                            "initialDelaySeconds": 60,
 181 #                            "timeoutSeconds": 30,
 182 #                            "failureThreshold": 10,
 183 #                        },
 184 #                    },
 185 #                },
 186 #            ],
 187 #            "kubernetesResources": {"ingressResources": []},
 188 #        }
 189 #
 190 #        self.harness.charm.on.start.emit()
 191 #
 192 #        # Initializing the mongodb relation
 193 #        relation_id = self.harness.add_relation("mongodb", "mongodb")
 194 #        self.harness.add_relation_unit(relation_id, "mongodb/0")
 195 #        self.harness.update_relation_data(
 196 #            relation_id,
 197 #            "mongodb/0",
 198 #            {
 199 #                "connection_string": "mongodb://mongo",
 200 #            },
 201 #        )
 202 #
 203 #        # Verifying status
 204 #        self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
 205 #
 206 #        pod_spec, _ = self.harness.get_pod_spec()
 207 #
 208 #        self.assertDictEqual(expected_result, pod_spec)
 209 #
 210 #    def test_ingress_resources_with_http(self) -> NoReturn:
 211 #        """Test ingress resources with HTTP."""
 212 #        expected_result = {
 213 #            "version": 3,
 214 #            "containers": [
 215 #                {
 216 #                    "name": "mongodb-exporter",
 217 #                    "imageDetails": self.harness.charm.image.fetch(),
 218 #                    "imagePullPolicy": "Always",
 219 #                    "ports": [
 220 #                        {
 221 #                            "name": "mongo-exporter",
 222 #                            "containerPort": 9216,
 223 #                            "protocol": "TCP",
 224 #                        }
 225 #                    ],
 226 #                    "envConfig": {
 227 #                        "MONGODB_URI": "mongodb://mongo",
 228 #                    },
 229 #                    "kubernetes": {
 230 #                        "readinessProbe": {
 231 #                            "httpGet": {
 232 #                                "path": "/api/health",
 233 #                                "port": 9216,
 234 #                            },
 235 #                            "initialDelaySeconds": 10,
 236 #                            "periodSeconds": 10,
 237 #                            "timeoutSeconds": 5,
 238 #                            "successThreshold": 1,
 239 #                            "failureThreshold": 3,
 240 #                        },
 241 #                        "livenessProbe": {
 242 #                            "httpGet": {
 243 #                                "path": "/api/health",
 244 #                                "port": 9216,
 245 #                            },
 246 #                            "initialDelaySeconds": 60,
 247 #                            "timeoutSeconds": 30,
 248 #                            "failureThreshold": 10,
 249 #                        },
 250 #                    },
 251 #                },
 252 #            ],
 253 #            "kubernetesResources": {
 254 #                "ingressResources": [
 255 #                    {
 256 #                        "name": "mongodb-exporter-ingress",
 257 #                        "annotations": {
 258 #                            "nginx.ingress.kubernetes.io/ssl-redirect": "false",
 259 #                        },
 260 #                        "spec": {
 261 #                            "rules": [
 262 #                                {
 263 #                                    "host": "mongodb-exporter",
 264 #                                    "http": {
 265 #                                        "paths": [
 266 #                                            {
 267 #                                                "path": "/",
 268 #                                                "backend": {
 269 #                                                    "serviceName": "mongodb-exporter",
 270 #                                                    "servicePort": 9216,
 271 #                                                },
 272 #                                            }
 273 #                                        ]
 274 #                                    },
 275 #                                }
 276 #                            ]
 277 #                        },
 278 #                    }
 279 #                ],
 280 #            },
 281 #        }
 282 #
 283 #        self.harness.charm.on.start.emit()
 284 #
 285 #        # Initializing the mongodb relation
 286 #        relation_id = self.harness.add_relation("mongodb", "mongodb")
 287 #        self.harness.add_relation_unit(relation_id, "mongodb/0")
 288 #        self.harness.update_relation_data(
 289 #            relation_id,
 290 #            "mongodb/0",
 291 #            {
 292 #                "connection_string": "mongodb://mongo",
 293 #            },
 294 #        )
 295 #
 296 #        self.harness.update_config({"site_url": "http://mongodb-exporter"})
 297 #
 298 #        pod_spec, _ = self.harness.get_pod_spec()
 299 #
 300 #        self.assertDictEqual(expected_result, pod_spec)
 301 #
 302 #    def test_ingress_resources_with_https(self) -> NoReturn:
 303 #        """Test ingress resources with HTTPS."""
 304 #        expected_result = {
 305 #            "version": 3,
 306 #            "containers": [
 307 #                {
 308 #                    "name": "mongodb-exporter",
 309 #                    "imageDetails": self.harness.charm.image.fetch(),
 310 #                    "imagePullPolicy": "Always",
 311 #                    "ports": [
 312 #                        {
 313 #                            "name": "mongo-exporter",
 314 #                            "containerPort": 9216,
 315 #                            "protocol": "TCP",
 316 #                        }
 317 #                    ],
 318 #                    "envConfig": {
 319 #                        "MONGODB_URI": "mongodb://mongo",
 320 #                    },
 321 #                    "kubernetes": {
 322 #                        "readinessProbe": {
 323 #                            "httpGet": {
 324 #                                "path": "/api/health",
 325 #                                "port": 9216,
 326 #                            },
 327 #                            "initialDelaySeconds": 10,
 328 #                            "periodSeconds": 10,
 329 #                            "timeoutSeconds": 5,
 330 #                            "successThreshold": 1,
 331 #                            "failureThreshold": 3,
 332 #                        },
 333 #                        "livenessProbe": {
 334 #                            "httpGet": {
 335 #                                "path": "/api/health",
 336 #                                "port": 9216,
 337 #                            },
 338 #                            "initialDelaySeconds": 60,
 339 #                            "timeoutSeconds": 30,
 340 #                            "failureThreshold": 10,
 341 #                        },
 342 #                    },
 343 #                },
 344 #            ],
 345 #            "kubernetesResources": {
 346 #                "ingressResources": [
 347 #                    {
 348 #                        "name": "mongodb-exporter-ingress",
 349 #                        "annotations": {},
 350 #                        "spec": {
 351 #                            "rules": [
 352 #                                {
 353 #                                    "host": "mongodb-exporter",
 354 #                                    "http": {
 355 #                                        "paths": [
 356 #                                            {
 357 #                                                "path": "/",
 358 #                                                "backend": {
 359 #                                                    "serviceName": "mongodb-exporter",
 360 #                                                    "servicePort": 9216,
 361 #                                                },
 362 #                                            }
 363 #                                        ]
 364 #                                    },
 365 #                                }
 366 #                            ],
 367 #                            "tls": [
 368 #                                {
 369 #                                    "hosts": ["mongodb-exporter"],
 370 #                                    "secretName": "mongodb-exporter",
 371 #                                }
 372 #                            ],
 373 #                        },
 374 #                    }
 375 #                ],
 376 #            },
 377 #        }
 378 #
 379 #        self.harness.charm.on.start.emit()
 380 #
 381 #        # Initializing the mongodb relation
 382 #        relation_id = self.harness.add_relation("mongodb", "mongodb")
 383 #        self.harness.add_relation_unit(relation_id, "mongodb/0")
 384 #        self.harness.update_relation_data(
 385 #            relation_id,
 386 #            "mongodb/0",
 387 #            {
 388 #                "connection_string": "mongodb://mongo",
 389 #            },
 390 #        )
 391 #
 392 #        self.harness.update_config(
 393 #            {
 394 #                "site_url": "https://mongodb-exporter",
 395 #                "tls_secret_name": "mongodb-exporter",
 396 #            }
 397 #        )
 398 #
 399 #        pod_spec, _ = self.harness.get_pod_spec()
 400 #
 401 #        self.assertDictEqual(expected_result, pod_spec)
 402 #
 403 #    def test_ingress_resources_with_https_and_ingress_whitelist(self) -> NoReturn:
 404 #        """Test ingress resources with HTTPS and ingress whitelist."""
 405 #        expected_result = {
 406 #            "version": 3,
 407 #            "containers": [
 408 #                {
 409 #                    "name": "mongodb-exporter",
 410 #                    "imageDetails": self.harness.charm.image.fetch(),
 411 #                    "imagePullPolicy": "Always",
 412 #                    "ports": [
 413 #                        {
 414 #                            "name": "mongo-exporter",
 415 #                            "containerPort": 9216,
 416 #                            "protocol": "TCP",
 417 #                        }
 418 #                    ],
 419 #                    "envConfig": {
 420 #                        "MONGODB_URI": "mongodb://mongo",
 421 #                    },
 422 #                    "kubernetes": {
 423 #                        "readinessProbe": {
 424 #                            "httpGet": {
 425 #                                "path": "/api/health",
 426 #                                "port": 9216,
 427 #                            },
 428 #                            "initialDelaySeconds": 10,
 429 #                            "periodSeconds": 10,
 430 #                            "timeoutSeconds": 5,
 431 #                            "successThreshold": 1,
 432 #                            "failureThreshold": 3,
 433 #                        },
 434 #                        "livenessProbe": {
 435 #                            "httpGet": {
 436 #                                "path": "/api/health",
 437 #                                "port": 9216,
 438 #                            },
 439 #                            "initialDelaySeconds": 60,
 440 #                            "timeoutSeconds": 30,
 441 #                            "failureThreshold": 10,
 442 #                        },
 443 #                    },
 444 #                },
 445 #            ],
 446 #            "kubernetesResources": {
 447 #                "ingressResources": [
 448 #                    {
 449 #                        "name": "mongodb-exporter-ingress",
 450 #                        "annotations": {
 451 #                            "nginx.ingress.kubernetes.io/whitelist-source-range": "0.0.0.0/0",
 452 #                        },
 453 #                        "spec": {
 454 #                            "rules": [
 455 #                                {
 456 #                                    "host": "mongodb-exporter",
 457 #                                    "http": {
 458 #                                        "paths": [
 459 #                                            {
 460 #                                                "path": "/",
 461 #                                                "backend": {
 462 #                                                    "serviceName": "mongodb-exporter",
 463 #                                                    "servicePort": 9216,
 464 #                                                },
 465 #                                            }
 466 #                                        ]
 467 #                                    },
 468 #                                }
 469 #                            ],
 470 #                            "tls": [
 471 #                                {
 472 #                                    "hosts": ["mongodb-exporter"],
 473 #                                    "secretName": "mongodb-exporter",
 474 #                                }
 475 #                            ],
 476 #                        },
 477 #                    }
 478 #                ],
 479 #            },
 480 #        }
 481 #
 482 #        self.harness.charm.on.start.emit()
 483 #
 484 #        # Initializing the mongodb relation
 485 #        relation_id = self.harness.add_relation("mongodb", "mongodb")
 486 #        self.harness.add_relation_unit(relation_id, "mongodb/0")
 487 #        self.harness.update_relation_data(
 488 #            relation_id,
 489 #            "mongodb/0",
 490 #            {
 491 #                "connection_string": "mongodb://mongo",
 492 #            },
 493 #        )
 494 #
 495 #        self.harness.update_config(
 496 #            {
 497 #                "site_url": "https://mongodb-exporter",
 498 #                "tls_secret_name": "mongodb-exporter",
 499 #                "ingress_whitelist_source_range": "0.0.0.0/0",
 500 #            }
 501 #        )
 502 #
 503 #        pod_spec, _ = self.harness.get_pod_spec()
 504 #
 505 #        self.assertDictEqual(expected_result, pod_spec)
 506 #
 507 #    def test_on_mongodb_unit_relation_changed(self) -> NoReturn:
 508 #        """Test to see if mongodb relation is updated."""
 509 #        self.harness.charm.on.start.emit()
 510 #
 511 #        # Initializing the mongodb relation
 512 #        relation_id = self.harness.add_relation("mongodb", "mongodb")
 513 #        self.harness.add_relation_unit(relation_id, "mongodb/0")
 514 #        self.harness.update_relation_data(
 515 #            relation_id,
 516 #            "mongodb/0",
 517 #            {
 518 #                "connection_string": "mongodb://mongo",
 519 #            },
 520 #        )
 521 #
 522 #        # Verifying status
 523 #        self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
 524 #
 525 #    def test_publish_scrape_info(self) -> NoReturn:
 526 #        """Test to see if scrape relation is updated."""
 527 #        expected_result = {
 528 #            "hostname": "mongodb-exporter",
 529 #            "port": "9216",
 530 #            "metrics_path": "/metrics",
 531 #            "scrape_interval": "30s",
 532 #            "scrape_timeout": "15s",
 533 #        }
 534 #
 535 #        self.harness.charm.on.start.emit()
 536 #
 537 #        relation_id = self.harness.add_relation("prometheus-scrape", "prometheus")
 538 #        self.harness.add_relation_unit(relation_id, "prometheus/0")
 539 #        relation_data = self.harness.get_relation_data(
 540 #            relation_id, "mongodb-exporter/0"
 541 #        )
 542 #
 543 #        self.assertDictEqual(expected_result, relation_data)
 544 #
 545 #    def test_publish_scrape_info_with_site_url(self) -> NoReturn:
 546 #        """Test to see if target relation is updated."""
 547 #        expected_result = {
 548 #            "hostname": "mongodb-exporter-osm",
 549 #            "port": "80",
 550 #            "metrics_path": "/metrics",
 551 #            "scrape_interval": "30s",
 552 #            "scrape_timeout": "15s",
 553 #        }
 554 #
 555 #        self.harness.charm.on.start.emit()
 556 #
 557 #        self.harness.update_config({"site_url": "http://mongodb-exporter-osm"})
 558 #
 559 #        relation_id = self.harness.add_relation("prometheus-scrape", "prometheus")
 560 #        self.harness.add_relation_unit(relation_id, "prometheus/0")
 561 #        relation_data = self.harness.get_relation_data(
 562 #            relation_id, "mongodb-exporter/0"
 563 #        )
 564 #
 565 #        self.assertDictEqual(expected_result, relation_data)
 566 #
 567 #    def test_publish_dashboard_info(self) -> NoReturn:
 568 #        """Test to see if dashboard relation is updated."""
 569 #        self.harness.charm.on.start.emit()
 570 #
 571 #        relation_id = self.harness.add_relation("grafana-dashboard", "grafana")
 572 #        self.harness.add_relation_unit(relation_id, "grafana/0")
 573 #        relation_data = self.harness.get_relation_data(
 574 #            relation_id, "mongodb-exporter/0"
 575 #        )
 576 #
 577 #        self.assertEqual("osm-mongodb", relation_data["name"])
 578 #        self.assertTrue("dashboard" in relation_data)
 579 #        self.assertTrue(len(relation_data["dashboard"]) > 0)
 580 #
 581 #
 582 # if __name__ == "__main__":
 583 #    unittest.main()