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new 6459601 Add default configuration for environment (#242)
6459601 is described below
commit 645960115a80ffb042d5265868b55336b1b8203f
Author: Guangning <[email protected]>
AuthorDate: Mon Jan 13 17:15:31 2020 +0800
Add default configuration for environment (#242)
Fixes
https://github.com/apache/pulsar-manager/issues/233
https://github.com/apache/pulsar-manager/issues/225
### Motivation
When deploying k8s, a default environment is required.
### Modifications
* Add a default configuration for environment
---
.../pulsar/manager/PulsarApplicationListener.java | 95 ++++++++++++++++++++++
src/main/resources/application.properties | 4 +
2 files changed, 99 insertions(+)
diff --git
a/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
b/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
new file mode 100644
index 0000000..ec1048f
--- /dev/null
+++ b/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
@@ -0,0 +1,95 @@
+/**
+ * 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.
+ */
+package org.apache.pulsar.manager;
+
+import com.github.pagehelper.Page;
+import com.google.common.collect.Maps;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.pulsar.manager.entity.EnvironmentEntity;
+import org.apache.pulsar.manager.entity.EnvironmentsRepository;
+import org.apache.pulsar.manager.utils.HttpUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.stereotype.Component;
+
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * PulsarApplicationListener do something after the spring framework
initialization is complete.
+ */
+@Component
+public class PulsarApplicationListener implements
ApplicationListener<ContextRefreshedEvent> {
+
+ private static final Logger log =
LoggerFactory.getLogger(PulsarApplicationListener.class);
+
+ private final EnvironmentsRepository environmentsRepository;
+
+ @Value("${default.environment.name}")
+ private String defaultEnvironmentName;
+
+ @Value("${default.environment.service_url}")
+ private String defaultEnvironmentServiceUrl;
+
+ @Value("${backend.jwt.token}")
+ private String pulsarJwtToken;
+
+ public PulsarApplicationListener(EnvironmentsRepository
environmentsRepository) {
+ this.environmentsRepository = environmentsRepository;
+ }
+
+ @Override
+ public void onApplicationEvent(ContextRefreshedEvent event) {
+ log.info("Start onApplicationEvent");
+ Page<EnvironmentEntity> environmentEntities = environmentsRepository
+ .getEnvironmentsList(1, 1);
+ if (environmentEntities.getResult().size() <= 0) {
+ Optional<EnvironmentEntity> environmentEntityOptional =
environmentsRepository
+ .findByName(defaultEnvironmentName);
+ if (defaultEnvironmentName != null
+ && defaultEnvironmentServiceUrl != null
+ && defaultEnvironmentName.length() > 0
+ && defaultEnvironmentServiceUrl.length() > 0
+ && !environmentEntityOptional.isPresent()) {
+ Map<String, String> header = Maps.newHashMap();
+ header.put("Content-Type", "application/json");
+ if (StringUtils.isNotBlank(pulsarJwtToken)) {
+ header.put("Authorization", String.format("Bearer %s",
pulsarJwtToken));
+ }
+ String httpTestResult =
HttpUtil.doGet(defaultEnvironmentServiceUrl + "/metrics", header);
+ if (httpTestResult != null) {
+ EnvironmentEntity environmentEntity = new
EnvironmentEntity();
+ environmentEntity.setBroker(defaultEnvironmentServiceUrl);
+ environmentEntity.setName(defaultEnvironmentName);
+ environmentsRepository.save(environmentEntity);
+ log.info("Successfully added a default environment: name =
{}, service_url = {}.",
+ defaultEnvironmentName,
defaultEnvironmentServiceUrl);
+ } else {
+ log.error("Unable to connect default environment {} via
{}, " +
+ "please check if `environment.default.name` " +
+ "and `environment.default.broker` are set
correctly, " +
+ "environmentDefaultName, environmentDefaultBroker",
+ defaultEnvironmentName,
defaultEnvironmentServiceUrl);
+ System.exit(-1);
+ }
+ } else {
+ log.warn("The default environment already exists.");
+ }
+ }
+ log.debug("Environments already exist.");
+ }
+}
diff --git a/src/main/resources/application.properties
b/src/main/resources/application.properties
index 22f5045..fd9f41a 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -130,3 +130,7 @@ spring.thymeleaf.suffix=.html
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.servlet.content-type=text/html
spring.thymeleaf.mode=HTML5
+
+# default environment configuration
+default.environment.name=
+default.environment.service_url=
