add Installed bool in .proto

Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
Jeff Carr 2024-11-21 18:54:20 -06:00
parent 11e105ec93
commit 5581a4eb9c
6 changed files with 284 additions and 3 deletions

72
apt.go Normal file
View File

@ -0,0 +1,72 @@
package zoopb
import (
"fmt"
"go.wit.com/log"
)
// init the installed package list
func (me *Machine) initPackages() {
// Get the list of installed packages for the detected distro
newP, err := getPackageList(me.Distro)
if err != nil {
fmt.Println("Error:", err)
return
}
// Print the installed packages and their versions
for pkg, version := range newP {
new1 := new(Package)
new1.Name = pkg
new1.Version = version
if me.Packages.Append(new1) {
// log.Info("added", new1.Name, "ok")
} else {
log.Info("added", new1.Name, "failed")
}
}
log.Info(me.Hostname, "has distro", me.Distro, "with", me.Packages.Len(), "packages installed.")
}
func (me *Machine) addNew(name string, version string) bool {
new1 := new(Package)
new1.Name = name
new1.Version = version
return me.Packages.Append(new1)
}
func (me *Machine) updatePackages() string {
// Get the list of installed packages for the detected distro
newP, err := getPackageList(me.Distro)
if err != nil {
fmt.Println("Error:", err)
return fmt.Sprintln("getPackageList()", err)
}
var newCounter, changeCounter int
// Print the installed packages and their versions
for pkg, version := range newP {
found := me.Packages.FindByName(pkg)
if found == nil {
log.Info("adding new", pkg, version)
me.addNew(pkg, version)
newCounter += 1
} else {
found.Version = version
if me.Packages.Update(found) {
changeCounter += 1
}
}
}
footer := fmt.Sprintf("%s has distro %s with %d packages installed", me.Hostname, me.Distro, me.Packages.Len())
if changeCounter != 0 {
footer += fmt.Sprintf(" (%d changed)", changeCounter)
}
if newCounter != 0 {
footer += fmt.Sprintf(" (%d new)", newCounter)
}
return footer
}

72
apt_linux.go Normal file
View File

@ -0,0 +1,72 @@
package zoopb
import (
"bufio"
"fmt"
"os/exec"
"strings"
"go.wit.com/log"
)
// getPackageList returns the list of installed packages based on the distro
func getPackageList(distro string) (map[string]string, error) {
var cmd *exec.Cmd
// Run the appropriate command based on the detected distribution
switch distro {
case "ubuntu", "debian":
return dpkgQuery()
case "fedora", "centos", "rhel":
cmd = exec.Command("rpm", "-qa")
case "arch", "manjaro":
cmd = exec.Command("pacman", "-Q")
default:
return nil, fmt.Errorf("unsupported distribution: %s", distro)
}
// Capture the command's output
output, err := cmd.CombinedOutput()
if err != nil {
return nil, fmt.Errorf("error running command: %v", err)
}
// todo: Split the output into lines and return
lines := strings.Split(string(output), "\n")
log.Info("output had", len(lines), "lines")
return nil, nil
}
func dpkgQuery() (map[string]string, error) {
// Run the dpkg-query command to list installed packages and versions
cmd := exec.Command("dpkg-query", "-W", "-f=${Package} ${Version}\n")
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
// Start the command execution
if err := cmd.Start(); err != nil {
return nil, err
}
defer cmd.Wait()
// Create a map to store package names and versions
installedPackages := make(map[string]string)
// Use a scanner to read the output of the command line by line
scanner := bufio.NewScanner(stdout)
for scanner.Scan() {
line := scanner.Text()
// Split each line into package name and version
parts := strings.SplitN(line, " ", 2)
if len(parts) == 2 {
packageName := parts[0]
version := parts[1]
installedPackages[packageName] = version
}
}
// Return the map with package names and versions
return installedPackages, scanner.Err()
}

View File

@ -24,6 +24,29 @@ func (m *Machines) ConfigSave() error {
configWrite(data) configWrite(data)
return nil return nil
} }
// when running on a single machine, save the file in forge/
// as <hostname>.pb
// write to ~/.config/forge/ unless ENV{FORGE_HOME} is set
func (m *Machine) ConfigSave() error {
if os.Getenv("FORGE_HOME") == "" {
homeDir, _ := os.UserHomeDir()
fullpath := filepath.Join(homeDir, ".config/forge")
os.Setenv("FORGE_HOME", fullpath)
}
data, err := m.Marshal()
if err != nil {
log.Info("proto.Marshal() failed len", len(data), err)
return err
}
log.Info("ConfigSave() proto.Marshal() worked len", len(data))
hostname, _ := os.Hostname()
fname := hostname + ".pb"
return m.configWrite(fname, data)
}
func ConfigSaveRaw(data []byte) error { func ConfigSaveRaw(data []byte) error {
configWrite(data) configWrite(data)
return nil return nil
@ -45,6 +68,30 @@ func (m *Machines) ConfigLoad() error {
return nil return nil
} }
func (m *Machine) ConfigLoad() error {
if m == nil {
return errors.New("It's not safe to run ConfigLoad() on a nil ?")
}
if os.Getenv("FORGE_HOME") == "" {
homeDir, _ := os.UserHomeDir()
fullpath := filepath.Join(homeDir, ".config/forge")
os.Setenv("FORGE_HOME", fullpath)
}
hostname, _ := os.Hostname()
fname := hostname + ".pb"
if data, err := m.loadFile(fname); err == nil {
if err = proto.Unmarshal(data, m); err != nil {
log.Warn("broken zookeeper.pb config file", fname)
return err
}
} else {
return err
}
return nil
}
func loadFile(filename string) ([]byte, error) { func loadFile(filename string) ([]byte, error) {
homeDir, err := os.UserHomeDir() homeDir, err := os.UserHomeDir()
p := filepath.Join(homeDir, ".config/zookeeper") p := filepath.Join(homeDir, ".config/zookeeper")
@ -57,6 +104,17 @@ func loadFile(filename string) ([]byte, error) {
return data, nil return data, nil
} }
func (m *Machine) loadFile(fname string) ([]byte, error) {
fullname := filepath.Join(os.Getenv("FORGE_HOME"), fname)
data, err := os.ReadFile(fullname)
if err != nil {
// log.Info("open config file :", err)
return nil, err
}
return data, nil
}
func configWrite(data []byte) error { func configWrite(data []byte) error {
homeDir, err := os.UserHomeDir() homeDir, err := os.UserHomeDir()
p := filepath.Join(homeDir, ".config/zookeeper") p := filepath.Join(homeDir, ".config/zookeeper")
@ -70,3 +128,16 @@ func configWrite(data []byte) error {
cfgfile.Write(data) cfgfile.Write(data)
return nil return nil
} }
func (m *Machine) configWrite(fname string, data []byte) error {
fullname := filepath.Join(os.Getenv("FORGE_HOME"), fname)
cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE, 0666)
defer cfgfile.Close()
if err != nil {
log.Warn("open config file :", err)
return err
}
cfgfile.Write(data)
return nil
}

61
distro.go Normal file
View File

@ -0,0 +1,61 @@
// Copyright 2024 WIT.COM Inc.
package zoopb
// simple stab at making a human readable distro name
// this is for displaying in a table in the zookeeper app
// it's just so you can easily see what machines in your grid are
// doing what
import (
"bufio"
"fmt"
"os"
"runtime"
"strings"
)
func initDistro() string {
switch runtime.GOOS {
case "windows":
return "windows"
case "macos":
return "macos"
case "linux":
// Detect the Linux distribution
distro := detectDistro()
if distro == "" {
fmt.Println("Unable to detect Linux distribution.")
distro = "fixme"
}
fmt.Printf("Detected distribution: %s\n", distro)
return distro
default:
return runtime.GOOS
}
}
// detectDistro returns the Linux distribution name (if possible)
func detectDistro() string {
// Check if we're on Linux
// Try to read /etc/os-release to determine the distro
file, err := os.Open("/etc/os-release")
if err != nil {
return ""
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
if strings.HasPrefix(line, "ID=") {
parts := strings.SplitN(line, "=", 2)
if len(parts) == 2 {
return strings.Trim(parts[1], `"`)
}
}
}
return ""
}

View File

@ -12,6 +12,9 @@ message Machine {
string distro = 4; string distro = 4;
Packages packages = 5; Packages packages = 5;
google.protobuf.Timestamp laststamp = 6; // the last time we heard anything from this machine google.protobuf.Timestamp laststamp = 6; // the last time we heard anything from this machine
Packages installed = 7; // packages that are installed
Packages available = 8; // packages that are available
Packages wit = 9; // packages that are available from mirrors.wit.com
} }
message Machines { message Machines {

View File

@ -6,9 +6,11 @@ package gitpb;
import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
message Package { message Package {
string name = 1; string name = 1; // name: zookeeper-go
string version = 2; string version = 2; // version: 0.0.3
google.protobuf.Timestamp laststamp = 4; // the last time we heard anything from this droplet google.protobuf.Timestamp laststamp = 3; // the last time this package was seen (used to timeout entries)
string srcPath = 4; // path to the sources (go.wit.com/apps/zookeeper)
bool installed = 5; // installed: true
} }
message Packages { message Packages {