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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.hosted.provision.maintenance;
import com.yahoo.config.provision.NodeType;
import com.yahoo.jdisc.Metric;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeList;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.node.Agent;
import com.yahoo.vespa.hosted.provision.node.IP;
import com.yahoo.vespa.hosted.provision.provisioning.FatalProvisioningException;
import com.yahoo.vespa.hosted.provision.provisioning.HostIpConfig;
import com.yahoo.vespa.hosted.provision.provisioning.HostProvisioner;
import com.yahoo.yolean.Exceptions;
import javax.naming.NamingException;
import java.time.Duration;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Resumes provisioning (requests additional IP addresses, updates DNS when IPs are ready) of hosts in state provisioned
*
* @author freva
* @author mpolden
*/
public class HostResumeProvisioner extends NodeRepositoryMaintainer {
private static final Logger log = Logger.getLogger(HostResumeProvisioner.class.getName());
private final HostProvisioner hostProvisioner;
HostResumeProvisioner(NodeRepository nodeRepository, Duration interval, Metric metric, HostProvisioner hostProvisioner) {
super(nodeRepository, interval, metric);
this.hostProvisioner = hostProvisioner;
}
@Override
protected double maintain() {
NodeList allNodes = nodeRepository().nodes().list();
NodeList hosts = allNodes.state(Node.State.provisioned).nodeType(NodeType.host, NodeType.confighost, NodeType.controllerhost);
int failures = 0;
for (Node host : hosts) {
NodeList children = allNodes.childrenOf(host);
try {
HostIpConfig hostIpConfig = hostProvisioner.provision(host, children.asSet());
setIpConfig(host, children, hostIpConfig);
} catch (IllegalArgumentException | IllegalStateException e) {
log.log(Level.INFO, "Could not provision " + host.hostname() + " with " + children.size() + " children, will retry in " +
interval() + ": " + Exceptions.toMessageString(e));
} catch (FatalProvisioningException e) {
failures++;
log.log(Level.SEVERE, "Failed to provision " + host.hostname() + " with " + children.size() +
" children, failing out the host recursively", e);
nodeRepository().nodes().failOrMarkRecursively(
host.hostname(), Agent.HostResumeProvisioner, "Failed by HostResumeProvisioner due to provisioning failure");
} catch (RuntimeException e) {
if (e.getCause() instanceof NamingException)
log.log(Level.INFO, "Could not provision " + host.hostname() + ", will retry in " + interval() + ": " + Exceptions.toMessageString(e));
else {
failures++;
log.log(Level.WARNING, "Failed to provision " + host.hostname() + ", will retry in " + interval(), e);
}
}
}
return asSuccessFactorDeviation(hosts.size(), failures);
}
private void setIpConfig(Node host, NodeList children, HostIpConfig hostIpConfig) {
if (hostIpConfig.isEmpty()) return;
NodeList nodes = NodeList.of(host).and(children);
for (var node : nodes) {
verifyDns(node, hostIpConfig.require(node.hostname()));
}
nodeRepository().nodes().setIpConfig(hostIpConfig);
}
/** Verify DNS configuration of given node */
private void verifyDns(Node node, IP.Config ipConfig) {
boolean enclave = node.cloudAccount().isEnclave(nodeRepository().zone());
for (var ipAddress : ipConfig.primary()) {
IP.verifyDns(node.hostname(), ipAddress, nodeRepository().nameResolver(), !enclave);
}
}
}
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