public MesosSlaveInfo getMesosSlaveInfoForLabel(Label label) {
if (!matchesLabel(label)) {
return null;
}
if (label == null) {
if (getLabelString() == null) {
return this;
} else {
return null;
}
}
if (label.matches(Label.parse(getLabelString()))) {
return this;
}
if (!containerInfo.getDockerImageCustomizable()) {
return null;
}
String customImage = getCustomImage(label);
if (customImage == null) {
return null;
}
return copyWithDockerImage(label.toString(), customImage);
}
/**
* Check if the label in the slave matches the provided label, either both are null or are the
* same.
*
* @param label
* @return Whether the slave label matches.
*/
public boolean matchesLabel(@CheckForNull Label label) {
if (label == null || getLabelString() == null) {
return label == null && getLabelString() == null;
}
if (label.matches(Label.parse(getLabelString()))) {
return true;
}
if (containerInfo == null || !containerInfo.getDockerImageCustomizable()) {
return false;
}
String customImage = getCustomImage(label);
return customImage != null
&& getLabelWithoutCustomImage(label, customImage).matches(Label.parse(getLabelString()));
}
/** Initializes data structure that we don't persist. */
protected Object readResolve() {
labelSet = Label.parse(labels);
securityGroupSet = parseSecurityGroups();
/**
* In releases of this plugin prior to 1.18, template-specific instance caps could be configured
* but were not enforced. As a result, it was possible to have the instance cap for a template
* be configured to 0 (zero) with no ill effects. Starting with version 1.18, template-specific
* instance caps are enforced, so if a configuration has a cap of zero for a template, no
* instances will be launched from that template. Since there is no practical value of
* intentionally setting the cap to zero, this block will override such a setting to a value
* that means 'no cap'.
*/
if (instanceCap == 0) {
instanceCap = Integer.MAX_VALUE;
}
if (amiType == null) {
amiType = new UnixData(rootCommandPrefix, sshPort);
}
return this;
}