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package com.jcabi.beanstalk.maven.plugin; |
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|
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import com.amazonaws.services.elasticbeanstalk.AWSElasticBeanstalk; |
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import com.amazonaws.services.elasticbeanstalk.model.ConfigurationOptionSetting; |
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import com.amazonaws.services.elasticbeanstalk.model.ConfigurationSettingsDescription; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeConfigurationSettingsRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeConfigurationSettingsResult; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeEnvironmentsRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeEnvironmentsResult; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeEventsRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.DescribeEventsResult; |
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import com.amazonaws.services.elasticbeanstalk.model.EnvironmentDescription; |
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import com.amazonaws.services.elasticbeanstalk.model.EnvironmentInfoDescription; |
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import com.amazonaws.services.elasticbeanstalk.model.EnvironmentInfoType; |
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import com.amazonaws.services.elasticbeanstalk.model.EventDescription; |
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import com.amazonaws.services.elasticbeanstalk.model.RequestEnvironmentInfoRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.RetrieveEnvironmentInfoRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.TerminateEnvironmentRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.TerminateEnvironmentResult; |
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import com.amazonaws.services.elasticbeanstalk.model.UpdateEnvironmentRequest; |
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import com.amazonaws.services.elasticbeanstalk.model.UpdateEnvironmentResult; |
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import com.jcabi.aspects.Loggable; |
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import com.jcabi.aspects.Tv; |
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import com.jcabi.log.Logger; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.Collection; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.concurrent.TimeUnit; |
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import javax.validation.constraints.NotNull; |
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import lombok.EqualsAndHashCode; |
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import org.apache.commons.io.IOUtils; |
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|
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|
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|
72 | 0 | @EqualsAndHashCode(of = { "client", "eid" }) |
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@SuppressWarnings({ "PMD.TooManyMethods", "PMD.ExcessiveImports" }) |
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@Loggable(Loggable.DEBUG) |
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final class Environment { |
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|
80 | 1 | private static final long DELAY_MS = TimeUnit.MINUTES.toMillis(Tv.THIRTY); |
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|
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private final transient AWSElasticBeanstalk client; |
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|
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private final transient String eid; |
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|
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protected Environment(@NotNull final AWSElasticBeanstalk clnt, |
98 | 4 | @NotNull final String idnt) { |
99 | 4 | this.client = clnt; |
100 | 4 | this.eid = idnt; |
101 | 4 | final EnvironmentDescription desc = this.description(); |
102 | 4 | final String template = desc.getTemplateName(); |
103 | 4 | if (template != null) { |
104 | 0 | final DescribeConfigurationSettingsResult res = |
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this.client.describeConfigurationSettings( |
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new DescribeConfigurationSettingsRequest() |
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.withApplicationName(desc.getApplicationName()) |
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.withTemplateName(template) |
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); |
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for (final ConfigurationSettingsDescription config |
111 | 0 | : res.getConfigurationSettings()) { |
112 | 0 | Logger.debug( |
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Environment.class, |
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"Environment '%s/%s/%s' settings:", |
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config.getApplicationName(), config.getEnvironmentName() |
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); |
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for (final ConfigurationOptionSetting opt |
118 | 0 | : config.getOptionSettings()) { |
119 | 0 | Logger.debug( |
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Environment.class, |
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" %s/%s: %s", |
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opt.getNamespace(), opt.getOptionName(), opt.getValue() |
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); |
124 | 0 | } |
125 | 0 | } |
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} |
127 | 4 | } |
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|
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@Override |
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public String toString() { |
134 | 2 | final EnvironmentDescription desc = this.description(); |
135 | 2 | return String.format( |
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"%s/%s/%s", |
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desc.getEnvironmentName(), desc.getEnvironmentId(), desc.getCNAME() |
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); |
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} |
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|
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public boolean primary() { |
146 | 2 | final EnvironmentDescription desc = this.description(); |
147 | 1 | final String prefix = String.format("%s.", desc.getApplicationName()); |
148 | 1 | final boolean primary = this.stable() |
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&& desc.getCNAME().startsWith(prefix); |
150 | 1 | if (primary) { |
151 | 0 | Logger.info( |
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this, |
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"Environment '%s' considered primary", this |
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); |
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} else { |
156 | 1 | Logger.info( |
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this, |
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|
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"Environment '%s' considered secondary since its CNAME doesn't start with '%s'", |
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this, prefix |
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); |
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} |
163 | 1 | return primary; |
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} |
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|
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public String name() { |
171 | 2 | return this.description().getEnvironmentName(); |
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} |
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|
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|
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public boolean green() { |
179 | 2 | return this.stable() && "Green".equals(this.description().getHealth()); |
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} |
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|
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|
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|
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|
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public boolean stable() { |
187 | 10 | return this.until( |
188 | 5 | new Environment.Barrier() { |
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@Override |
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public String message() { |
191 | 0 | return "stable state"; |
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} |
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@Override |
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public boolean allow(final EnvironmentDescription desc) { |
195 | 5 | return !desc.getStatus().matches(".*ing$"); |
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} |
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} |
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); |
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} |
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|
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|
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public boolean terminated() { |
206 | 4 | return this.stable() |
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&& "Terminated".equals(this.description().getStatus()); |
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} |
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|
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|
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|
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|
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public void terminate() { |
214 | 2 | if (!this.stable()) { |
215 | 0 | throw new DeploymentException( |
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String.format( |
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"env '%s' is not stable, can't terminate", |
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this.eid |
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) |
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); |
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} |
222 | 1 | if (!this.terminated()) { |
223 | 1 | final TerminateEnvironmentResult res = |
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this.client.terminateEnvironment( |
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new TerminateEnvironmentRequest() |
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.withEnvironmentId(this.eid) |
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.withTerminateResources(true) |
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); |
229 | 1 | Logger.info( |
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this, |
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"Environment '%s/%s/%s' is terminated (label:'%s', status:%s)", |
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res.getApplicationName(), res.getEnvironmentName(), |
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res.getEnvironmentId(), |
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res.getVersionLabel(), res.getStatus() |
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); |
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} |
237 | 1 | } |
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|
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|
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public String[] events() { |
244 | 0 | if (!this.stable()) { |
245 | 0 | throw new DeploymentException( |
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String.format( |
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"env '%s' is not stable, can't get list of events", |
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this.eid |
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) |
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); |
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} |
252 | 0 | final DescribeEventsResult res = this.client.describeEvents( |
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new DescribeEventsRequest().withEnvironmentId(this.eid) |
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); |
255 | 0 | final Collection<String> events = new LinkedList<String>(); |
256 | 0 | for (final EventDescription desc : res.getEvents()) { |
257 | 0 | events.add( |
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String.format("[%s]: %s", desc.getSeverity(), desc.getMessage()) |
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); |
260 | 0 | } |
261 | 0 | return events.toArray(new String[events.size()]); |
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} |
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|
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|
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|
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public String tail() { |
269 | 0 | if (!this.stable()) { |
270 | 0 | throw new DeploymentException( |
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String.format( |
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"env '%s' is not stable, can't get TAIL report", |
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this.eid |
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) |
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); |
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} |
277 | 0 | if (this.terminated()) { |
278 | 0 | throw new DeploymentException( |
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String.format( |
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"env '%s' is terminated, can't get TAIL report", |
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this.eid |
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) |
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); |
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} |
285 | 0 | this.client.requestEnvironmentInfo( |
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new RequestEnvironmentInfoRequest() |
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.withEnvironmentId(this.eid) |
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.withInfoType(EnvironmentInfoType.Tail) |
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); |
290 | 0 | final RetrieveEnvironmentInfoRequest req = |
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new RetrieveEnvironmentInfoRequest() |
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.withEnvironmentId(this.eid) |
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.withInfoType(EnvironmentInfoType.Tail); |
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List<EnvironmentInfoDescription> infos; |
295 | 0 | final long start = System.currentTimeMillis(); |
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do { |
297 | 0 | if (System.currentTimeMillis() - start > Environment.DELAY_MS) { |
298 | 0 | throw new DeploymentException( |
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String.format( |
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"env '%s' doesn't report its TAIL, time out", |
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this.eid |
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) |
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); |
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} |
305 | 0 | Logger.info( |
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this, |
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"Waiting for TAIL report of %s", |
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this.eid |
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); |
310 | 0 | infos = this.client |
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.retrieveEnvironmentInfo(req) |
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.getEnvironmentInfo(); |
313 | 0 | } while (infos.isEmpty()); |
314 | 0 | final EnvironmentInfoDescription desc = infos.get(0); |
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try { |
316 | 0 | return IOUtils.toString(new URL(desc.getMessage()).openStream()); |
317 | 0 | } catch (final IOException ex) { |
318 | 0 | throw new IllegalStateException(ex); |
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} |
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} |
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|
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|
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|
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|
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|
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public void update(final Version version) { |
327 | 0 | final UpdateEnvironmentResult res = this.client.updateEnvironment( |
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new UpdateEnvironmentRequest() |
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.withEnvironmentId(this.eid) |
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.withVersionLabel(version.label()) |
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); |
332 | 0 | Logger.info( |
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this, |
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"Environment '%s' updated to '%s'", |
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res.getEnvironmentId(), res.getVersionLabel() |
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); |
337 | 0 | } |
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|
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|
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|
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|
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|
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private EnvironmentDescription description() { |
344 | 16 | final DescribeEnvironmentsResult res = this.client.describeEnvironments( |
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new DescribeEnvironmentsRequest() |
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.withEnvironmentIds(this.eid) |
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); |
348 | 16 | if (res.getEnvironments().isEmpty()) { |
349 | 0 | throw new DeploymentException( |
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String.format("environment '%s' not found", this.eid) |
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); |
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} |
353 | 16 | final EnvironmentDescription desc = res.getEnvironments().get(0); |
354 | 16 | Logger.debug( |
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this, |
356 | |
|
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"ID=%s, env=%s, app=%s, CNAME=%s, label=%s, template=%s, status=%s, health=%s", |
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desc.getEnvironmentId(), desc.getEnvironmentName(), |
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desc.getApplicationName(), desc.getCNAME(), |
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desc.getVersionLabel(), desc.getTemplateName(), desc.getStatus(), |
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desc.getHealth() |
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); |
363 | 16 | return desc; |
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} |
365 | |
|
366 | |
|
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|
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|
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|
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|
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private boolean until(final Environment.Barrier barrier) { |
372 | 5 | boolean passed = false; |
373 | 5 | final long start = System.currentTimeMillis(); |
374 | |
while (true) { |
375 | 5 | final EnvironmentDescription desc = this.description(); |
376 | 5 | if (barrier.allow(desc)) { |
377 | 5 | passed = true; |
378 | 5 | Logger.info( |
379 | |
this, |
380 | |
"Environment '%s/%s/%s': health=%s, status=%s", |
381 | |
desc.getApplicationName(), desc.getEnvironmentName(), |
382 | |
desc.getEnvironmentId(), desc.getHealth(), |
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desc.getStatus() |
384 | |
); |
385 | 5 | break; |
386 | |
} |
387 | 0 | Logger.info( |
388 | |
this, |
389 | |
|
390 | |
"Environment '%s/%s/%s': health=%s, status=%s (waiting for %s, %[ms]s)", |
391 | |
desc.getApplicationName(), desc.getEnvironmentName(), |
392 | |
desc.getEnvironmentId(), desc.getHealth(), |
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desc.getStatus(), barrier.message(), |
394 | |
System.currentTimeMillis() - start |
395 | |
); |
396 | 0 | if (System.currentTimeMillis() - start > Environment.DELAY_MS) { |
397 | 0 | Logger.warn( |
398 | |
this, |
399 | |
"Environment failed to reach '%s' after %[ms]s", |
400 | |
barrier.message(), System.currentTimeMillis() - start |
401 | |
); |
402 | 0 | break; |
403 | |
} |
404 | |
try { |
405 | 0 | TimeUnit.MINUTES.sleep(1); |
406 | 0 | } catch (final InterruptedException ex) { |
407 | 0 | Thread.currentThread().interrupt(); |
408 | 0 | throw new DeploymentException(ex); |
409 | 0 | } |
410 | 0 | } |
411 | 5 | return passed; |
412 | |
} |
413 | |
|
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|
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|
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|
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private interface Barrier { |
418 | |
|
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|
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|
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|
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|
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|
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boolean allow(EnvironmentDescription desc); |
425 | |
|
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|
427 | |
|
428 | |
|
429 | |
String message(); |
430 | |
} |
431 | |
|
432 | |
} |