mirror of
https://github.com/siderolabs/talos.git
synced 2025-08-10 16:47:04 +02:00
edb40437ec
Now default is not to follow the logs (which is similar to `kubectl logs`). Integration test was added for `Logs()` API and `osctl logs` command. Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
101 lines
2.4 KiB
Go
101 lines
2.4 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
package containers
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"syscall"
|
|
|
|
"github.com/talos-systems/talos/pkg/chunker"
|
|
"github.com/talos-systems/talos/pkg/chunker/file"
|
|
"github.com/talos-systems/talos/pkg/chunker/stream"
|
|
)
|
|
|
|
// Container presents information about a container
|
|
type Container struct {
|
|
Inspector Inspector
|
|
|
|
Display string // Friendly Name
|
|
Name string // container name
|
|
ID string // container sha/id
|
|
Digest string // Container Digest
|
|
Image string
|
|
PodName string
|
|
Sandbox string
|
|
Status string // Running state of container
|
|
RestartCount string
|
|
LogPath string
|
|
Metrics *ContainerMetrics
|
|
Pid uint32
|
|
IsPodSandbox bool // real container or just pod sandbox
|
|
}
|
|
|
|
// ContainerMetrics represents container cgroup stats
|
|
type ContainerMetrics struct {
|
|
MemoryUsage uint64
|
|
CPUUsage uint64
|
|
}
|
|
|
|
// GetProcessStderr returns process stderr
|
|
func (c *Container) GetProcessStderr() (string, error) {
|
|
return c.Inspector.GetProcessStderr(c.ID)
|
|
}
|
|
|
|
// GetLogFile returns path to log file, k8s-style
|
|
func (c *Container) GetLogFile() string {
|
|
if c.LogPath != "" {
|
|
return c.LogPath
|
|
}
|
|
|
|
if c.Sandbox == "" || !strings.Contains(c.Display, ":") {
|
|
return ""
|
|
}
|
|
|
|
return filepath.Join(c.Sandbox, c.Name, c.RestartCount+".log")
|
|
}
|
|
|
|
// Kill sends signal to container task
|
|
func (c *Container) Kill(signal syscall.Signal) error {
|
|
return c.Inspector.Kill(c.ID, c.IsPodSandbox, signal)
|
|
}
|
|
|
|
// GetLogChunker returns chunker for container log file
|
|
func (c *Container) GetLogChunker(follow bool) (chunker.Chunker, io.Closer, error) {
|
|
logFile := c.GetLogFile()
|
|
if logFile != "" {
|
|
f, err := os.OpenFile(logFile, os.O_RDONLY, 0)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
chunkerOptions := []file.Option{}
|
|
if follow {
|
|
chunkerOptions = append(chunkerOptions, file.WithFollow())
|
|
}
|
|
|
|
return file.NewChunker(f, chunkerOptions...), f, nil
|
|
}
|
|
|
|
filename, err := c.GetProcessStderr()
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
if filename == "" {
|
|
return nil, nil, fmt.Errorf("no log available")
|
|
}
|
|
|
|
f, err := os.OpenFile(filename, os.O_RDONLY, 0)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
return stream.NewChunker(f), f, nil
|
|
}
|