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fix(agent): detect rootless Docker/Podman sockets for other users (#1200)

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When the agent runs as root, os.Getuid() returns 0 so it only probes
/run/user/0/docker.sock. Rootless Docker installs live at
/run/user/1000/docker.sock (or similar). Glob /run/user/*/docker.sock
and /run/user/*/podman/podman.sock to discover sockets for all users.
This commit is contained in:
rcourtman
2026-03-05 09:34:30 +00:00
parent 10872c8ca8
commit 0493fb78bf
1 changed files with 35 additions and 0 deletions
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internal/dockeragent/agent.go
+35
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@@ -441,6 +441,18 @@ func buildRuntimeCandidates(preference RuntimeKind) []runtimeCandidate {
label: "podman rootless socket",
})
// Discover rootless Podman sockets for other users (e.g. agent runs as root
// but Podman rootless is installed for uid 1000)
if matches, err := filepath.Glob("/run/user/*/podman/podman.sock"); err == nil {
for _, match := range matches {
sockURI := "unix://" + match
add(runtimeCandidate{
host: sockURI,
label: fmt.Sprintf("podman rootless socket (%s)", match),
})
}
}
add(runtimeCandidate{
host: "unix:///run/podman/podman.sock",
label: "podman system socket",
@@ -489,6 +501,17 @@ func buildRuntimeCandidates(preference RuntimeKind) []runtimeCandidate {
label: "podman rootless socket",
})
// Discover rootless Podman sockets for other users
if matches, err := filepath.Glob("/run/user/*/podman/podman.sock"); err == nil {
for _, match := range matches {
sockURI := "unix://" + match
add(runtimeCandidate{
host: sockURI,
label: fmt.Sprintf("podman rootless socket (%s)", match),
})
}
}
add(runtimeCandidate{
host: "unix:///run/podman/podman.sock",
label: "podman system socket",
@@ -509,6 +532,18 @@ func buildRuntimeCandidates(preference RuntimeKind) []runtimeCandidate {
label: "docker rootless socket",
})
// Discover rootless Docker sockets for other users (e.g. agent runs as root
// but Docker rootless is installed for uid 1000)
if matches, err := filepath.Glob("/run/user/*/docker.sock"); err == nil {
for _, match := range matches {
sockURI := "unix://" + match
add(runtimeCandidate{
host: sockURI,
label: fmt.Sprintf("docker rootless socket (%s)", match),
})
}
}
// macOS Docker Desktop socket
if home := os.Getenv("HOME"); home != "" {
add(runtimeCandidate{