Mirrored_Repos/rmmagent
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix linux agent update when /tmp on different fs fixes #10

Browse Source
This commit is contained in:
wh1te909 2022-07-01 19:10:10 +00:00
parent ac2637d14b
commit 38907f6bc2
1 changed files with 24 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
agent/agent_unix.go
View File

@ -18,6 +18,7 @@ import (
"bufio"
"fmt"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
@ -249,8 +250,29 @@ func (a *Agent) AgentUpdate(url, inno, version string) {
os.Chmod(f.Name(), 0755)
err = os.Rename(f.Name(), self)
if err != nil {
a.Logger.Errorln("AgentUpdate() os.Rename():", err)
return
a.Logger.Debugln("Detected /tmp on different filesystem")
// rename does not work when src and dest are on different filesystems
// so we need to manually copy it to the same fs then rename it
cwd, err := os.Getwd()
if err != nil {
a.Logger.Errorln("AgentUpdate() os.Getwd():", err)
return
}
// create a tmpfile in same fs as agent
tmpfile := filepath.Join(cwd, GenerateAgentID())
defer os.Remove(tmpfile)
a.Logger.Debugln("Copying tmpfile from", f.Name(), "to", tmpfile)
cperr := copyFile(f.Name(), tmpfile)
if cperr != nil {
a.Logger.Errorln("AgentUpdate() copyFile:", cperr)
return
}
os.Chmod(tmpfile, 0755)
rerr := os.Rename(tmpfile, self)
if rerr != nil {
a.Logger.Errorln("AgentUpdate() os.Rename():", rerr)
return
}
}
opts := a.NewCMDOpts()