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package project
import (
"context"
"fmt"
"strconv"
"strings"
"github.com/lxc/incus/v6/internal/server/db"
"github.com/lxc/incus/v6/internal/server/instance/instancetype"
"github.com/lxc/incus/v6/shared/api"
)
// GetCurrentAllocations returns the current resource utilization for a given project.
func GetCurrentAllocations(ctx context.Context, tx *db.ClusterTx, projectName string) (map[string]api.ProjectStateResource, error) {
result := map[string]api.ProjectStateResource{}
// Get the project.
info, err := fetchProject(tx, projectName, false)
if err != nil {
return nil, err
}
if info == nil {
return nil, fmt.Errorf("Project %q returned empty info struct", projectName)
}
info.Instances, err = expandInstancesConfigAndDevices(info.Instances, info.Profiles)
if err != nil {
return nil, err
}
// Get per-pool limits.
poolLimits := []string{}
for k := range info.Project.Config {
if strings.HasPrefix(k, projectLimitDiskPool) {
poolLimits = append(poolLimits, k)
}
}
allAggregateLimits := append(allAggregateLimits, poolLimits...)
// Get the instance aggregated values.
raw, err := getAggregateLimits(info, allAggregateLimits)
if err != nil {
return nil, err
}
result["cpu"] = raw["limits.cpu"]
result["disk"] = raw["limits.disk"]
result["memory"] = raw["limits.memory"]
result["networks"] = raw["limits.networks"]
result["processes"] = raw["limits.processes"]
// Add the pool-specific disk limits.
for k, v := range raw {
if strings.HasPrefix(k, projectLimitDiskPool) && v.Limit > 0 {
result[fmt.Sprintf("disk.%s", strings.SplitN(k, ".", 4)[3])] = v
}
}
// Get the instance count values.
count, limit, err := getTotalInstanceCountLimit(info)
if err != nil {
return nil, err
}
result["instances"] = api.ProjectStateResource{
Limit: int64(limit),
Usage: int64(count),
}
count, limit, err = getInstanceCountLimit(info, instancetype.Container)
if err != nil {
return nil, err
}
result["containers"] = api.ProjectStateResource{
Limit: int64(limit),
Usage: int64(count),
}
count, limit, err = getInstanceCountLimit(info, instancetype.VM)
if err != nil {
return nil, err
}
result["virtual-machines"] = api.ProjectStateResource{
Limit: int64(limit),
Usage: int64(count),
}
// Get the network limit and usage.
overallValue, ok := info.Project.Config["limits.networks"]
limit = -1
if ok {
limit, err = strconv.Atoi(overallValue)
if err != nil {
return nil, err
}
}
networks, err := tx.GetCreatedNetworks(ctx)
if err != nil {
return nil, err
}
result["networks"] = api.ProjectStateResource{
Limit: int64(limit),
Usage: int64(len(networks[projectName])),
}
return result, nil
}
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