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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.cloud;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import javax.annotation.PostConstruct;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonRootName;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.builder.EqualsBuilder;
/**
* JavaBean JSON class for a CloudConfig. This bean maps a JSON-format cloud
* configuration file to Java. The CloudConfig contains information about
* Openstack cloud configurations. It includes:
* - CloudIdentity objects,representing DCP nodes (Openstack Identity Service)
* - CloudSite objects, representing LCP nodes (Openstack Compute & other services)
*
* Note that this is only used to access Cloud Configurations loaded from a JSON
* config file, so there are no explicit property setters.
*
* This class also contains methods to query cloud sites and/or identity
* services by ID.
*
*/
@Configuration
@JsonRootName("cloud_config")
@ConfigurationProperties(prefix="cloud_config")
public class CloudConfig {
private static final String CLOUD_SITE_VERSION = "2.5";
private static final String DEFAULT_CLOUD_SITE_ID = "default";
@JsonProperty("identity_services")
private Map<String, CloudIdentity> identityServices = new HashMap<>();
@JsonProperty("cloud_sites")
private Map <String, CloudSite> cloudSites = new HashMap<>();
@JsonProperty("cloudify_managers")
private Map <String, CloudifyManager> cloudifyManagers = new HashMap<>();
@PostConstruct
private void init() {
for (Entry<String, CloudIdentity> entry : identityServices.entrySet()) {
entry.getValue().setId(entry.getKey());
}
for (Entry<String, CloudSite> entry : cloudSites.entrySet()) {
entry.getValue().setId(entry.getKey());
}
for (Entry<String, CloudifyManager> entry : cloudifyManagers.entrySet()) {
entry.getValue().setId(entry.getKey());
}
}
/**
* Get a map of all identity services that have been loaded.
*/
public Map<String, CloudIdentity> getIdentityServices() {
return identityServices;
}
/**
* Get a map of all cloud sites that have been loaded.
*/
public Map<String, CloudSite> getCloudSites() {
return cloudSites;
}
/**
* Get a Map of all CloudifyManagers that have been loaded.
* @return the Map
*/
public Map<String,CloudifyManager> getCloudifyManagers() {
return cloudifyManagers;
}
/**
* Get a specific CloudSites, based on an ID. The ID is first checked
* against the regions, and if no match is found there, then against
* individual entries to try and find one with a CLLI that matches the ID
* and an AIC version of 2.5.
*
* @param id the ID to match
* @return an Optional of CloudSite object.
*/
public synchronized Optional<CloudSite> getCloudSite(String id) {
if (id == null) {
return Optional.empty();
}
if (cloudSites.containsKey(id)) {
return Optional.ofNullable(cloudSites.get(id));
} else {
return getCloudSiteWithClli(id);
}
}
public String getCloudSiteId(CloudSite cloudSite) {
for(Entry<String, CloudSite> entry : this.getCloudSites().entrySet()){
if(entry.getValue().equals(cloudSite))
return entry.getKey();
}
return null;
}
/**
* Get a specific CloudSites, based on a CLLI and (optional) version, which
* will be matched against the aic_version field of the CloudSite.
*
* @param clli
* the CLLI to match
* @param version
* the version to match; may be null in which case any version
* matches
* @return a CloudSite, or null of no match found
*/
private Optional<CloudSite> getCloudSiteWithClli(String clli) {
Optional <CloudSite> cloudSiteOptional = cloudSites.values().stream().filter(cs ->
cs.getClli() != null && clli.equals(cs.getClli()) && (CLOUD_SITE_VERSION.equals(cs.getAicVersion())))
.findAny();
if (cloudSiteOptional.isPresent()) {
return cloudSiteOptional;
} else {
return getDefaultCloudSite(clli);
}
}
private Optional<CloudSite> getDefaultCloudSite(String clli) {
Optional<CloudSite> cloudSiteOpt = cloudSites.values().stream()
.filter(cs -> cs.getId().equalsIgnoreCase(DEFAULT_CLOUD_SITE_ID)).findAny();
if (cloudSiteOpt.isPresent()) {
CloudSite defaultCloudSite = cloudSiteOpt.get();
CloudSite clone = new CloudSite(defaultCloudSite);
clone.setRegionId(clli);
clone.setId(clli);
return Optional.of(clone);
} else {
return Optional.empty();
}
}
/**
* Get a specific CloudIdentity, based on an ID.
*
* @param id
* the ID to match
* @return a CloudIdentity, or null of no match found
*/
public CloudIdentity getIdentityService(String id) {
return identityServices.get(id);
}
/**
* Get a specific CloudifyManager, based on an ID.
* @param id the ID to match
* @return a CloudifyManager, or null of no match found
*/
public CloudifyManager getCloudifyManager (String id) {
return cloudifyManagers.get(id);
}
@Override
public String toString() {
return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE)
.append("identityServices", getIdentityServices()).append("cloudSites", getCloudSites()).toString();
}
@Override
public boolean equals(final Object other) {
if (other == null) {
return false;
}
if (!getClass().equals(other.getClass())) {
return false;
}
CloudConfig castOther = (CloudConfig) other;
return new EqualsBuilder().append(getIdentityServices(), castOther.getIdentityServices())
.append(getCloudSites(), castOther.getCloudSites()).isEquals();
}
@Override
public int hashCode() {
return new HashCodeBuilder(1, 31).append(getIdentityServices()).append(getCloudSites()).toHashCode();
}
}
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