protected ChildScalingRequirements getChildScalingRequirements(AutoScaleRequest request) {
ChildScalingRequirements scalingRequirements = null;
ProfileRequirements profileRequirements = request.getProfileRequirements();
if (profileRequirements != null) {
scalingRequirements = profileRequirements.getChildScalingRequirements();
}
return scalingRequirements;
}
protected void assertProfileMinimumSize(String profile, Integer expected) throws IOException {
FabricRequirements requirements = getFabricService().getRequirements();
ProfileRequirements profileRequirements = requirements.getOrCreateProfileRequirement(profile);
Assert.assertNotNull(
"Should have profile requirements for profile " + profile, profileRequirements);
Assert.assertEquals(
"profile " + profile + " minimum instances",
expected,
profileRequirements.getMinimumInstances());
System.out.println("Profile " + profile + " now has requirements " + profileRequirements);
}
@Override
protected void printRequirements(PrintStream out, FabricRequirements requirements) {
out.println(
String.format(
"%-40s %-14s %-14s %s", "[profile]", "[# minimum]", "[# maximum]", "[depends on]"));
List<ProfileRequirements> profileRequirements = requirements.getProfileRequirements();
for (ProfileRequirements profile : profileRequirements) {
out.println(
String.format(
"%-40s %-14s %-14s %s",
profile.getProfile(),
getStringOrBlank(profile.getMinimumInstances()),
getStringOrBlank(profile.getMaximumInstances()),
getStringOrBlank(profile.getDependentProfiles())));
}
}
@Override
public boolean scaleProfile(String profile, int numberOfInstances) throws IOException {
if (numberOfInstances == 0) {
throw new IllegalArgumentException("numberOfInstances should be greater or less than zero");
}
FabricRequirements requirements = getRequirements();
ProfileRequirements profileRequirements = requirements.getOrCreateProfileRequirement(profile);
Integer minimumInstances = profileRequirements.getMinimumInstances();
List<Container> containers = Containers.containersForProfile(getContainers(), profile);
int containerCount = containers.size();
int newCount = containerCount + numberOfInstances;
if (newCount < 0) {
newCount = 0;
}
boolean update = minimumInstances == null || newCount != minimumInstances;
if (update) {
profileRequirements.setMinimumInstances(newCount);
setRequirements(requirements);
}
return update;
}
