--- /dev/null
+#!/usr/bin/env python3
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+from typing import NoReturn
+import unittest
+
+from ops.model import BlockedStatus
+from ops.testing import Harness
+
+from charm import PrometheusCharm
+
+
+class TestCharm(unittest.TestCase):
+ """Prometheus Charm unit tests."""
+
+ def setUp(self) -> NoReturn:
+ """Test setup"""
+ self.harness = Harness(PrometheusCharm)
+ self.harness.set_leader(is_leader=True)
+ self.harness.begin()
+
+ def test_ingress_resources_without_http(self) -> NoReturn:
+ """Test ingress resources without HTTP."""
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "prometheus",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "prometheus",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {},
+ "volumeConfig": [
+ {
+ "name": "config",
+ "mountPath": "/etc/prometheus",
+ "files": [
+ {
+ "path": "prometheus.yml",
+ "content": (
+ "global:"
+ " scrape_interval: 15s"
+ " evaluation_interval: 15s"
+ "alerting:"
+ " alertmanagers:"
+ " - static_configs:"
+ " - targets:"
+ "rule_files:"
+ "scrape_configs:"
+ " - job_name: 'prometheus'"
+ " static_configs:"
+ " - targets: [{}]".format("")
+ ),
+ }
+ ],
+ }
+ ],
+ "command": [
+ "sh",
+ "-c",
+ "/bin/prometheus",
+ "--config.file=/etc/prometheus/prometheus.yml",
+ "--storage.tsdb.path=/prometheus",
+ "--web.console.libraries=/usr/share/prometheus/console_libraries",
+ "--web.console.templates=/usr/share/prometheus/consoles",
+ "--web.route-prefix={}".format("/"),
+ "--web.external-url=http://localhost:{}{}".format(9090, "/"),
+ ],
+ "kubernetes": {
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/-/ready",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 10,
+ "timeoutSeconds": 30,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/-/healthy",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 30,
+ "periodSeconds": 30,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {"ingressResources": []},
+ }
+
+ self.harness.charm.on.start.emit()
+
+ # Verifying status
+ self.assertNotIsInstance(self.harness.charm.unit.status, BlockedStatus)
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_ingress_resources_with_http(self) -> NoReturn:
+ """Test ingress resources with HTTP."""
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "prometheus",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "prometheus",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {},
+ "volumeConfig": [
+ {
+ "name": "config",
+ "mountPath": "/etc/prometheus",
+ "files": [
+ {
+ "path": "prometheus.yml",
+ "content": (
+ "global:"
+ " scrape_interval: 15s"
+ " evaluation_interval: 15s"
+ "alerting:"
+ " alertmanagers:"
+ " - static_configs:"
+ " - targets:"
+ "rule_files:"
+ "scrape_configs:"
+ " - job_name: 'prometheus'"
+ " static_configs:"
+ " - targets: [{}]".format("")
+ ),
+ }
+ ],
+ }
+ ],
+ "command": [
+ "sh",
+ "-c",
+ "/bin/prometheus",
+ "--config.file=/etc/prometheus/prometheus.yml",
+ "--storage.tsdb.path=/prometheus",
+ "--web.console.libraries=/usr/share/prometheus/console_libraries",
+ "--web.console.templates=/usr/share/prometheus/consoles",
+ "--web.route-prefix={}".format("/"),
+ "--web.external-url=http://localhost:{}{}".format(9090, "/"),
+ ],
+ "kubernetes": {
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/-/ready",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 10,
+ "timeoutSeconds": 30,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/-/healthy",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 30,
+ "periodSeconds": 30,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {
+ "ingressResources": [
+ {
+ "name": "prometheus-ingress",
+ "annotations": {
+ "nginx.ingress.kubernetes.io/proxy-body-size": "0",
+ "nginx.ingress.kubernetes.io/ssl-redirect": "false",
+ },
+ "spec": {
+ "rules": [
+ {
+ "host": "prometheus",
+ "http": {
+ "paths": [
+ {
+ "path": "/",
+ "backend": {
+ "serviceName": "prometheus",
+ "servicePort": 9090,
+ },
+ }
+ ]
+ },
+ }
+ ]
+ },
+ }
+ ],
+ },
+ }
+
+ self.harness.charm.on.start.emit()
+
+ self.harness.update_config({"site_url": "http://prometheus"})
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_ingress_resources_with_https(self) -> NoReturn:
+ """Test ingress resources with HTTPS."""
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "prometheus",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "prometheus",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {},
+ "volumeConfig": [
+ {
+ "name": "config",
+ "mountPath": "/etc/prometheus",
+ "files": [
+ {
+ "path": "prometheus.yml",
+ "content": (
+ "global:"
+ " scrape_interval: 15s"
+ " evaluation_interval: 15s"
+ "alerting:"
+ " alertmanagers:"
+ " - static_configs:"
+ " - targets:"
+ "rule_files:"
+ "scrape_configs:"
+ " - job_name: 'prometheus'"
+ " static_configs:"
+ " - targets: [{}]".format("")
+ ),
+ }
+ ],
+ }
+ ],
+ "command": [
+ "sh",
+ "-c",
+ "/bin/prometheus",
+ "--config.file=/etc/prometheus/prometheus.yml",
+ "--storage.tsdb.path=/prometheus",
+ "--web.console.libraries=/usr/share/prometheus/console_libraries",
+ "--web.console.templates=/usr/share/prometheus/consoles",
+ "--web.route-prefix={}".format("/"),
+ "--web.external-url=http://localhost:{}{}".format(9090, "/"),
+ ],
+ "kubernetes": {
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/-/ready",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 10,
+ "timeoutSeconds": 30,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/-/healthy",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 30,
+ "periodSeconds": 30,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {
+ "ingressResources": [
+ {
+ "name": "prometheus-ingress",
+ "annotations": {
+ "nginx.ingress.kubernetes.io/proxy-body-size": "0",
+ },
+ "spec": {
+ "rules": [
+ {
+ "host": "prometheus",
+ "http": {
+ "paths": [
+ {
+ "path": "/",
+ "backend": {
+ "serviceName": "prometheus",
+ "servicePort": 9090,
+ },
+ }
+ ]
+ },
+ }
+ ],
+ "tls": [
+ {"hosts": ["prometheus"], "secretName": "prometheus"}
+ ],
+ },
+ }
+ ],
+ },
+ }
+
+ self.harness.charm.on.start.emit()
+
+ self.harness.update_config(
+ {"site_url": "https://prometheus", "tls_secret_name": "prometheus"}
+ )
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_ingress_resources_with_https_and_ingress_whitelist(self) -> NoReturn:
+ """Test ingress resources with HTTPS and ingress whitelist."""
+ expected_result = {
+ "version": 3,
+ "containers": [
+ {
+ "name": "prometheus",
+ "imageDetails": self.harness.charm.image.fetch(),
+ "imagePullPolicy": "Always",
+ "ports": [
+ {
+ "name": "prometheus",
+ "containerPort": 9090,
+ "protocol": "TCP",
+ }
+ ],
+ "envConfig": {},
+ "volumeConfig": [
+ {
+ "name": "config",
+ "mountPath": "/etc/prometheus",
+ "files": [
+ {
+ "path": "prometheus.yml",
+ "content": (
+ "global:"
+ " scrape_interval: 15s"
+ " evaluation_interval: 15s"
+ "alerting:"
+ " alertmanagers:"
+ " - static_configs:"
+ " - targets:"
+ "rule_files:"
+ "scrape_configs:"
+ " - job_name: 'prometheus'"
+ " static_configs:"
+ " - targets: [{}]".format("")
+ ),
+ }
+ ],
+ }
+ ],
+ "command": [
+ "sh",
+ "-c",
+ "/bin/prometheus",
+ "--config.file=/etc/prometheus/prometheus.yml",
+ "--storage.tsdb.path=/prometheus",
+ "--web.console.libraries=/usr/share/prometheus/console_libraries",
+ "--web.console.templates=/usr/share/prometheus/consoles",
+ "--web.route-prefix={}".format("/"),
+ "--web.external-url=http://localhost:{}{}".format(9090, "/"),
+ ],
+ "kubernetes": {
+ "readinessProbe": {
+ "httpGet": {
+ "path": "/-/ready",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 10,
+ "timeoutSeconds": 30,
+ },
+ "livenessProbe": {
+ "httpGet": {
+ "path": "/-/healthy",
+ "port": 9090,
+ },
+ "initialDelaySeconds": 30,
+ "periodSeconds": 30,
+ },
+ },
+ }
+ ],
+ "kubernetesResources": {
+ "ingressResources": [
+ {
+ "name": "prometheus-ingress",
+ "annotations": {
+ "nginx.ingress.kubernetes.io/proxy-body-size": "0",
+ "nginx.ingress.kubernetes.io/whitelist-source-range": "0.0.0.0/0",
+ },
+ "spec": {
+ "rules": [
+ {
+ "host": "prometheus",
+ "http": {
+ "paths": [
+ {
+ "path": "/",
+ "backend": {
+ "serviceName": "prometheus",
+ "servicePort": 9090,
+ },
+ }
+ ]
+ },
+ }
+ ],
+ "tls": [
+ {"hosts": ["prometheus"], "secretName": "prometheus"}
+ ],
+ },
+ }
+ ],
+ },
+ }
+
+ self.harness.charm.on.start.emit()
+
+ self.harness.update_config(
+ {
+ "site_url": "https://prometheus",
+ "tls_secret_name": "prometheus",
+ "ingress_whitelist_source_range": "0.0.0.0/0",
+ }
+ )
+
+ pod_spec, _ = self.harness.get_pod_spec()
+
+ self.assertDictEqual(expected_result, pod_spec)
+
+ def test_publish_prometheus_info(self) -> NoReturn:
+ """Test to see if prometheus relation is updated."""
+ expected_result = {
+ "host": "prometheus",
+ "port": "9090",
+ }
+
+ self.harness.charm.on.start.emit()
+
+ relation_id = self.harness.add_relation("prometheus", "mon")
+ self.harness.add_relation_unit(relation_id, "mon/0")
+ relation_data = self.harness.get_relation_data(relation_id, "prometheus")
+
+ self.assertDictEqual(expected_result, relation_data)
+
+
+if __name__ == "__main__":
+ unittest.main()
projects / osm / devops.git / blobdiff