func (self *Huddle) ListInstances(tenant string, bundleType bundletype.BundleType) ([]*Instance, error) {
prefix := self.jujuPrefix(tenant, bundleType)
statuses, err := self.JujuClient.GetServiceStatusList(prefix)
if err != nil {
return nil, err
}
if statuses == nil {
return nil, rs.HttpError(http.StatusNotFound)
}
instances := []*Instance{}
for key, state := range statuses {
_, bundleTypeId, instanceId, module, _, err := ParseUnit(key)
if err != nil {
log.Debug("Ignoring unparseable service: %v", key)
continue
}
assert.That(bundleTypeId == bundleType.Key())
if module != bundleType.PrimaryJujuService() {
continue
}
i := self.NewInstance(tenant, bundleType, instanceId)
i.cacheState(&state)
instances = append(instances, i)
}
return instances, nil
}
// Builds an Instance object representing a particular JXaaS Instance.
// This just builds the object, it does not e.g. check that the instance already exists.
func (self *Huddle) NewInstance(tenant string, bundleType bundletype.BundleType, instanceId string) *Instance {
s := &Instance{}
s.huddle = self
s.tenant = tenant
s.bundleType = bundleType
s.instanceId = instanceId
// The u prefix is for user.
// This is both a way to separate out user services from our services,
// and a way to make sure the service name is valid (is not purely numeric / does not start with a number)
prefix := "u" + tenant + "-" + bundleType.Key() + "-"
prefix = prefix + instanceId + "-"
s.jujuPrefix = prefix
prefix = prefix + bundleType.PrimaryJujuService()
s.primaryServiceId = prefix
return s
}