func buildPoolMonitoringProfile(pool *pool.ResourcePool, hostIDs []string, client *master.Client) error {
var totalMemory uint64 = 0
var totalCores int = 0
//calculate total memory and total cores
for i := range hostIDs {
host, err := client.GetHost(hostIDs[i])
if err != nil {
glog.Errorf("Failed to get host for id=%s -> %s", hostIDs[i], err)
return err
}
totalCores += host.Cores
totalMemory += host.Memory
}
tags := map[string][]string{"controlplane_host_id": hostIDs}
profile, err := hostPoolProfile.ReBuild("1h-ago", tags)
if err != nil {
glog.Error("Failed to create pool profile: %s", err)
return err
}
//add graphs to profile
profile.GraphConfigs = make([]domain.GraphConfig, 3)
profile.GraphConfigs[0] = newCpuConfigGraph(tags, totalCores)
profile.GraphConfigs[1] = newRSSConfigGraph(tags, totalMemory)
profile.GraphConfigs[2] = newMajorPageFaultGraph(tags)
pool.MonitoringProfile = *profile
return nil
}
func getPoolHostIds(poolID string, client *master.Client) ([]string, error) {
hosts, err := client.FindHostsInPool(poolID)
if err != nil {
glog.Errorf("Could not get hosts: %v", err)
return nil, err
}
hostIDs := make([]string, len(hosts))
for i := range hosts {
hostIDs[i] = hosts[i].ID
}
return hostIDs, nil
}