/
get.go
142 lines (121 loc) · 3.96 KB
/
get.go
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package openstack
import (
"context"
"fmt"
"time"
"github.com/gophercloud/gophercloud/openstack/compute/v2/flavors"
"github.com/gophercloud/gophercloud/openstack/compute/v2/images"
"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
"github.com/rockbears/log"
"github.com/ovh/cds/sdk"
cdslog "github.com/ovh/cds/sdk/log"
)
// Find image ID from image name
func (h *HatcheryOpenstack) imageID(ctx context.Context, img string) (string, error) {
for _, i := range h.getImages(ctx) {
if i.Name == img {
return i.ID, nil
}
}
return "", sdk.WithStack(fmt.Errorf("image '%s' not found", img))
}
// Find flavor ID from flavor name
func (h *HatcheryOpenstack) flavor(flavor string) (flavors.Flavor, error) {
if flavor == "" {
return flavors.Flavor{}, sdk.WithStack(fmt.Errorf("no flavor specified"))
}
for i := range h.flavors {
if h.flavors[i].Name == flavor {
return h.flavors[i], nil
}
}
return flavors.Flavor{}, sdk.WithStack(fmt.Errorf("flavor '%s' not found", flavor))
}
// Find flavor ID from flavor name
func (h *HatcheryOpenstack) getSmallerFlavorThan(flavor flavors.Flavor) flavors.Flavor {
var smaller *flavors.Flavor
for i := range h.flavors {
// If the flavor is not the given one and need less CPUs its
if h.flavors[i].ID != flavor.ID && h.flavors[i].VCPUs < flavor.VCPUs && (smaller == nil || smaller.VCPUs < h.flavors[i].VCPUs) {
smaller = &h.flavors[i]
}
}
if smaller == nil {
return flavor
}
return *smaller
}
func (h *HatcheryOpenstack) getImages(ctx context.Context) []images.Image {
t := time.Now()
defer func() { log.Debug(ctx, "getImages(): %fs", time.Since(t).Seconds()) }()
is, expired := h.cache.Getimages()
if len(is) > 0 && !expired {
return is
}
if err := h.refreshImagesCache(ctx); err != nil {
log.ErrorWithStackTrace(ctx, err)
}
is, _ = h.cache.Getimages()
return is
}
func (h *HatcheryOpenstack) refreshImagesCache(ctx context.Context) error {
all, err := images.ListDetail(h.openstackClient, nil).AllPages()
if err != nil {
return sdk.WrapError(err, "cannot list openstack images")
}
imgs, err := images.ExtractImages(all)
if err != nil {
return sdk.WrapError(err, "cannot extract openstack images")
}
activeImages := make([]images.Image, 0, len(imgs))
for i := range imgs {
if imgs[i].Status == "ACTIVE" {
activeImages = append(activeImages, imgs[i])
}
}
h.cache.SetImages(activeImages)
return nil
}
func (h *HatcheryOpenstack) getServers(ctx context.Context) []servers.Server {
t := time.Now()
defer func() { log.Debug(ctx, "getServers() : %fs", time.Since(t).Seconds()) }()
srvs, expired := h.cache.GetServers()
if len(srvs) > 0 && !expired {
return srvs
}
if err := h.refreshServersCache(ctx); err != nil {
log.ErrorWithStackTrace(ctx, err)
}
srvs, _ = h.cache.GetServers()
return srvs
}
func (h *HatcheryOpenstack) refreshServersCache(ctx context.Context) error {
ctx = context.WithValue(ctx, cdslog.Component, "refreshServersCache")
all, err := servers.List(h.openstackClient, nil).AllPages()
if err != nil {
return sdk.WrapError(err, "cannot list openstack servers")
}
serverList, err := servers.ExtractServers(all)
if err != nil {
return sdk.WrapError(err, "cannot extract openstack servers")
}
filteredServerList := make([]servers.Server, 0, len(serverList))
for _, s := range serverList {
if _, worker := s.Metadata["worker"]; !worker {
continue
}
workerHatcheryName := s.Metadata["hatchery_name"]
if workerHatcheryName == "" || workerHatcheryName != h.Name() {
continue
}
filteredServerList = append(filteredServerList, s)
log.Info(ctx, "worker %q (ID=%s, IP=%s) status=%s", s.Name, s.ID, s.AccessIPv4, s.Status)
}
h.cache.SetServers(filteredServerList)
return nil
}
func (h *HatcheryOpenstack) getConsoleLog(s servers.Server) (string, error) {
result := servers.ShowConsoleOutput(h.openstackClient, s.ID, servers.ShowConsoleOutputOpts{})
info, err := result.Extract()
return info, sdk.WrapError(err, "unable to get console log from %s", s.ID)
}