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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.configchange;
import com.yahoo.config.model.api.ConfigChangeAction;
import com.yahoo.config.model.api.ServiceInfo;
import java.util.*;
import java.util.stream.Collectors;
/**
* Represents all actions to restart services in order to handle a config change.
*
* @author geirst
*/
public class RestartActions {
public static class Entry {
private final String clusterName;
private final String clusterType;
private final String serviceType;
private final boolean ignoreForInternalRedeploy;
private final Set<ServiceInfo> services = new LinkedHashSet<>();
private final Set<String> messages = new TreeSet<>();
private Entry addService(ServiceInfo service) {
services.add(service);
return this;
}
private void addMessage(String message) {
messages.add(message);
}
private Entry(String clusterName, String clusterType, String serviceType, boolean ignoreForInternalRedeploy) {
this.clusterName = clusterName;
this.clusterType = clusterType;
this.serviceType = serviceType;
this.ignoreForInternalRedeploy = ignoreForInternalRedeploy;
}
public String getClusterName() {
return clusterName;
}
public String getClusterType() {
return clusterType;
}
public String getServiceType() {
return serviceType;
}
public boolean ignoreForInternalRedeploy() {
return ignoreForInternalRedeploy;
}
public Set<ServiceInfo> getServices() {
return services;
}
public Set<String> getMessages() {
return messages;
}
}
private final Map<String, Entry> actions = new TreeMap<>();
public RestartActions() { }
private RestartActions(Map<String, Entry> actions) {
this.actions.putAll(actions);
}
public RestartActions(List<ConfigChangeAction> actions) {
for (ConfigChangeAction action : actions) {
if (action.getType().equals(ConfigChangeAction.Type.RESTART)) {
for (ServiceInfo service : action.getServices()) {
addEntry(service, action.ignoreForInternalRedeploy()).
addService(service).
addMessage(action.getMessage());
}
}
}
}
private Entry addEntry(ServiceInfo service, boolean ignoreForInternalRedeploy) {
String clusterName = service.getProperty("clustername").orElse("");
String clusterType = service.getProperty("clustertype").orElse("");
String entryId = clusterType + "." + clusterName + "." + service.getServiceType() + "." + ignoreForInternalRedeploy;
Entry entry = actions.get(entryId);
if (entry == null) {
entry = new Entry(clusterName, clusterType, service.getServiceType(), ignoreForInternalRedeploy);
actions.put(entryId, entry);
}
return entry;
}
public RestartActions useForInternalRestart(boolean useForInternalRestart) {
return new RestartActions(actions.entrySet().stream()
.filter(entry -> !useForInternalRestart || !entry.getValue().ignoreForInternalRedeploy())
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)));
}
public List<Entry> getEntries() {
return new ArrayList<>(actions.values());
}
public String format() {
return new RestartActionsFormatter(this).format();
}
public boolean isEmpty() {
return actions.isEmpty();
}
public Set<String> hostnames() {
return getEntries().stream()
.flatMap(entry -> entry.getServices().stream())
.map(ServiceInfo::getHostName)
.collect(Collectors.toUnmodifiableSet());
}
}
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