Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat(attributes): add proc status and mem info for linux #25

Merged
merged 3 commits into from
Nov 28, 2024
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 7 additions & 3 deletions main.go
Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,15 @@ var (
windowsGUIDCommand = []string{"reg", "query", "\"HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Cryptography\"", "/v", "MachineGuid"}
linuxGUIDCommand = []string{"sh", "-c", "( cat /var/lib/dbus/machine-id /etc/machine-id 2> /dev/null || hostname ) | head -n 1 || :"}
freebsdGUIDCommand = []string{"sh", "-c", "kenv -q smbios.system.uuid || sysctl -n kern.hostuuid"}
darwinGUIDCommand = []string{"sh", "-c", "ioreg -rd1 -c IOPlatformExpertDevice | grep IOPlatformUUID | awk -F'= \"' '{print $2}' | tr -d '\"'"}
darwinGUIDCommand = []string{"sh", "-c", "ioreg -rd1 -c IOPlatformExpertDevice | grep IOPlatformUUID | awk -F'= \"' '{print $2}' | tr -d '\"' | tr -d '\n'"}

windowsCPUCommand = []string{"wmic", "CPU", "get", "NAME"}
linuxCPUCommand = []string{"sh", "-c", "lscpu | grep \"Model name\" | awk -F':' '{print $2}' | sed 's/^[[:space:]]*//'"}
darwinCPUCommand = []string{"sh", "-c", "sysctl -n machdep.cpu.brand_string"}
darwinCPUCommand = []string{"sh", "-c", "sysctl -n machdep.cpu.brand_string | tr -d '\n'"}
freebsdCPUCommand = []string{"sh", "-c", "sysctl -n hw.model"}

linuxOSVersionCommand = []string{"sh", "-c", "cat /etc/os-release | grep VERSION= | awk -F'=\"' '{print $2}' | tr -d '\"'"}
darwinOSVersionCommand = []string{"sh", "-c", "sw_vers | grep ProductVersion | awk -F':' '{print $2}' | tr -d '\t'"}
darwinOSVersionCommand = []string{"sh", "-c", "sw_vers | grep ProductVersion | awk -F':' '{print $2}' | tr -d '\t' | tr -d '\n'"}
freebsdOSVersionCommand = []string{"sh", "-c", "cat /etc/os-release | grep VERSION= | awk -F'=\"' '{print $2}' | tr -d '\"'"}
)

Expand Down Expand Up @@ -370,6 +370,10 @@ func processAndSend(payload *reportPayload) {
report["sourceCode"] = sourceCode
report["classifiers"] = []string{payload.classifier}

if runtime.GOOS == "linux" {
readMemProcInfo()
}

fullUrl := Options.Endpoint

if len(Options.Token) != 0 { // if token is set that means its old URL.
Expand Down
108 changes: 108 additions & 0 deletions procmeminfo.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,108 @@
package bt

import (
"bufio"
"fmt"
"io"
"log"
"os"
"strconv"
"strings"
)

const (
memPath = "/proc/meminfo"
procPath = "/proc/self/status"
)

var (
paths = []string{memPath, procPath}
mapper = map[string]string{
"MemTotal": "system.memory.total",
"MemFree": "system.memory.free",
"MemAvailable": "system.memory.available",
"Buffers": "system.memory.buffers",
"Cached": "system.memory.cached",
"SwapCached": "system.memory.swap.cached",
"Active": "system.memory.active",
"Inactive": "system.memory.inactive",
"SwapTotal": "system.memory.swap.total",
"SwapFree": "system.memory.swap.free",
"Dirty": "system.memory.dirty",
"Writeback": "system.memory.writeback",
"Slab": "system.memory.slab",
"VmallocTotal": "system.memory.vmalloc.total",
"VmallocUsed": "system.memory.vmalloc.used",
"VmallocChunk": "system.memory.vmalloc.chunk",
"nonvoluntary_ctxt_switches": "sched.cs.involuntary",
"voluntary_ctxt_switches": "sched.cs.voluntary",
"FDSize": "descriptor.count",
"VmData": "vm.data.size",
"VmLck": "vm.locked.size",
"VmPTE": "vm.pte.size",
"VmHWM": "vm.rss.peak",
"VmRSS": "vm.rss.size",
"VmLib": "vm.shared.size",
"VmStk": "vm.stack.size",
"VmSwap": "vm.swap.size",
"VmPeak": "vm.vma.peak",
"VmSize": "vm.vma.size",
}
)

func readMemProcInfo() {
for _, path := range paths {
readFile(path)
}
}

func readFile(path string) {
file, err := os.Open(path)
if err != nil {
log.Fatal(err)
}
defer file.Close()

reader := bufio.NewReader(file)
for {
l, _, err := reader.ReadLine()
if err != nil {
if err == io.EOF {
break
} else {
if Options.DebugBacktrace {
log.Printf("readFile err: %v", err)
}
break
}
}

values := strings.Split(string(l), ":")
if len(values) == 2 {
if attr, exists := mapper[values[0]]; exists {
value, err := getValue(values[1])
if err != nil {
continue
}
Options.Attributes[attr] = value
}
}
}
}

func getValue(value string) (string, error) {
value = strings.TrimSpace(value)
if strings.HasSuffix(value, "kB") {
value = strings.TrimSuffix(value, " kB")

atoi, err := strconv.ParseInt(value, 10, 64)
if err != nil && Options.DebugBacktrace {
log.Printf("readFile err: %v", err)
return "", err
}
atoi *= 1024
return fmt.Sprintf("%d", atoi), err
}

return value, nil
}
Loading