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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.node.admin.container;
import com.yahoo.config.provision.DockerImage;
import java.time.Instant;
import java.util.Map;
import java.util.Objects;
/**
* A partial container, containing only fields returned by a container list command such as 'podman ps'.
*
* @author mpolden
*/
public class PartialContainer {
private final ContainerId id;
private final ContainerName name;
private final Instant createdAt;
private final State state;
private final String imageId;
private final DockerImage image;
private final Map<String, String> labels;
private final int pid;
private final boolean managed;
public PartialContainer(ContainerId id, ContainerName name, Instant createdAt, State state, String imageId,
DockerImage image, Map<String, String> labels, int pid, boolean managed) {
this.id = Objects.requireNonNull(id);
this.name = Objects.requireNonNull(name);
this.createdAt = Objects.requireNonNull(createdAt);
this.state = Objects.requireNonNull(state);
this.imageId = Objects.requireNonNull(imageId);
this.image = Objects.requireNonNull(image);
this.labels = Map.copyOf(Objects.requireNonNull(labels));
this.pid = pid;
this.managed = managed;
}
/** A unique identifier for this. Typically generated by the container engine */
public ContainerId id() {
return id;
}
/** The given name of this */
public ContainerName name() {
return name;
}
/** Timestamp when this container was created */
public Instant createdAt() {
return createdAt;
}
/** Current state of this */
public State state() {
return state;
}
/** A unique identifier for the image in use by this */
public String imageId() {
return imageId;
}
/** The image in use by this */
public DockerImage image() {
return image;
}
/** The labels set on this */
public Map<String, String> labels() {
return labels;
}
/** The PID of this */
public int pid() {
return pid;
}
/** Returns whether this container is managed by node-admin */
public boolean managed() {
return managed;
}
/** Returns the value of given label key */
public String label(String key) {
String labelValue = labels.get(key);
if (labelValue == null) throw new IllegalArgumentException("No such label '" + key + "'");
return labelValue;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PartialContainer that = (PartialContainer) o;
return pid == that.pid && managed == that.managed && id.equals(that.id) && name.equals(that.name) && createdAt.equals(that.createdAt) && state == that.state && imageId.equals(that.imageId) && image.equals(that.image) && labels.equals(that.labels);
}
@Override
public int hashCode() {
return Objects.hash(id, name, createdAt, state, imageId, image, labels, pid, managed);
}
/** The state of a container */
public enum State {
unknown,
configured,
created,
running,
stopped,
paused,
exited,
removing,
stopping;
public boolean isRunning() {
return this == running;
}
public static Container.State from(String state) {
switch (state) {
case "unknown": return unknown;
case "configured": return configured;
case "created": return created;
case "running": return running;
case "stopped": return stopped;
case "paused": return paused;
case "exited": return exited;
case "removing": return removing;
case "stopping": return stopping;
}
throw new IllegalArgumentException("Invalid state '" + state + "'");
}
}
}
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