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refactor: move getRootMountPoint to disk.go

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henrygd
2025-11-14 14:06:46 -05:00
parent 79adfd2c0d
commit 3650482b09
2 changed files with 29 additions and 37 deletions
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37
agent/agent.go
View File

@@ -229,40 +229,3 @@ func (a *Agent) getFingerprint() string {
return fingerprint return fingerprint
} }
// getRootMountPoint returns the appropriate root mount point for the system
// For immutable systems like Fedora Silverblue, it returns /sysroot instead of /
func (a *Agent) getRootMountPoint() string {
// Check for typical immutable system indicators
// 1. Check if /etc/os-release contains indicators of an immutable system
if osReleaseContent, err := os.ReadFile("/etc/os-release"); err == nil {
content := string(osReleaseContent)
// Look for indicators of atomic/immutable systems
if strings.Contains(content, "fedora") && strings.Contains(content, "silverblue") ||
strings.Contains(content, "coreos") ||
strings.Contains(content, "flatcar") ||
strings.Contains(content, "rhel-atomic") ||
strings.Contains(content, "centos-atomic") {
// Verify that /sysroot exists before returning it
if _, err := os.Stat("/sysroot"); err == nil {
return "/sysroot"
}
}
}
// 2. Check if /run/ostree is present (ostree-based systems like Silverblue)
if _, err := os.Stat("/run/ostree"); err == nil {
// Verify that /sysroot exists before returning it
if _, err := os.Stat("/sysroot"); err == nil {
return "/sysroot"
}
}
return "/"
}
// isImmutableSystem detects if the system is likely an immutable system like Fedora Silverblue
// where the real root filesystem is mounted at /sysroot instead of /
func (a *Agent) isImmutableSystem() bool {
return a.getRootMountPoint() != "/"
}

29
agent/disk.go
View File

@@ -315,3 +315,32 @@ func (a *Agent) updateDiskIo(cacheTimeMs uint16, systemStats *system.Stats) {
} }
} }
} }
// getRootMountPoint returns the appropriate root mount point for the system
// For immutable systems like Fedora Silverblue, it returns /sysroot instead of /
func (a *Agent) getRootMountPoint() string {
// 1. Check if /etc/os-release contains indicators of an immutable system
if osReleaseContent, err := os.ReadFile("/etc/os-release"); err == nil {
content := string(osReleaseContent)
if strings.Contains(content, "fedora") && strings.Contains(content, "silverblue") ||
strings.Contains(content, "coreos") ||
strings.Contains(content, "flatcar") ||
strings.Contains(content, "rhel-atomic") ||
strings.Contains(content, "centos-atomic") {
// Verify that /sysroot exists before returning it
if _, err := os.Stat("/sysroot"); err == nil {
return "/sysroot"
}
}
}
// 2. Check if /run/ostree is present (ostree-based systems like Silverblue)
if _, err := os.Stat("/run/ostree"); err == nil {
// Verify that /sysroot exists before returning it
if _, err := os.Stat("/sysroot"); err == nil {
return "/sysroot"
}
}
return "/"
}