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package yplite
import (
"context"
"encoding/json"
"net"
"net/http"
"os"
"time"
"github.com/ydb-platform/ydb/library/go/core/xerrors"
)
const (
PodSocketPath = "/run/iss/pod.socket"
NodeAgentTimeout = 1 * time.Second
)
var (
httpClient = http.Client{
Transport: &http.Transport{
DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
return net.DialTimeout("unix", PodSocketPath, NodeAgentTimeout)
},
},
Timeout: NodeAgentTimeout,
}
)
func IsAPIAvailable() bool {
if _, err := os.Stat(PodSocketPath); err == nil {
return true
}
return false
}
func FetchPodSpec() (*PodSpec, error) {
res, err := httpClient.Get("http://localhost/pod_spec")
if err != nil {
return nil, xerrors.Errorf("failed to request pod spec: %w", err)
}
defer func() { _ = res.Body.Close() }()
spec := new(PodSpec)
err = json.NewDecoder(res.Body).Decode(spec)
if err != nil {
return nil, xerrors.Errorf("failed to decode pod spec: %w", err)
}
return spec, nil
}
func FetchPodAttributes() (*PodAttributes, error) {
res, err := httpClient.Get("http://localhost/pod_attributes")
if err != nil {
return nil, xerrors.Errorf("failed to request pod attributes: %w", err)
}
defer func() { _ = res.Body.Close() }()
attrs := new(PodAttributes)
err = json.NewDecoder(res.Body).Decode(attrs)
if err != nil {
return nil, xerrors.Errorf("failed to decode pod attributes: %w", err)
}
return attrs, nil
}
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