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// SPDX-License-Identifier: GPL-3.0-or-later
package main
import (
"errors"
"fmt"
"log/slog"
"os"
"os/user"
"path/filepath"
"strings"
"github.com/netdata/netdata/go/go.d.plugin/agent"
"github.com/netdata/netdata/go/go.d.plugin/agent/executable"
"github.com/netdata/netdata/go/go.d.plugin/cli"
"github.com/netdata/netdata/go/go.d.plugin/logger"
"github.com/netdata/netdata/go/go.d.plugin/pkg/buildinfo"
"github.com/netdata/netdata/go/go.d.plugin/pkg/multipath"
"github.com/jessevdk/go-flags"
"golang.org/x/net/http/httpproxy"
_ "github.com/netdata/netdata/go/go.d.plugin/modules"
)
var (
cd, _ = os.Getwd()
name = "go.d"
userDir = os.Getenv("NETDATA_USER_CONFIG_DIR")
stockDir = os.Getenv("NETDATA_STOCK_CONFIG_DIR")
varLibDir = os.Getenv("NETDATA_LIB_DIR")
lockDir = os.Getenv("NETDATA_LOCK_DIR")
watchPath = os.Getenv("NETDATA_PLUGINS_GOD_WATCH_PATH")
envLogLevel = os.Getenv("NETDATA_LOG_LEVEL")
)
func confDir(opts *cli.Option) multipath.MultiPath {
if len(opts.ConfDir) > 0 {
return opts.ConfDir
}
if userDir != "" || stockDir != "" {
return multipath.New(
userDir,
stockDir,
)
}
if executable.Directory != "" {
return multipath.New(
filepath.Join(executable.Directory, "/../../../../etc/netdata"),
filepath.Join(executable.Directory, "/../../../../usr/lib/netdata/conf.d"),
)
}
return multipath.New(
filepath.Join(cd, "/../../../../etc/netdata"),
filepath.Join(cd, "/../../../../usr/lib/netdata/conf.d"),
)
}
func modulesConfDir(opts *cli.Option) (mpath multipath.MultiPath) {
if len(opts.ConfDir) > 0 {
return opts.ConfDir
}
if userDir != "" || stockDir != "" {
if userDir != "" {
mpath = append(mpath, filepath.Join(userDir, name))
}
if stockDir != "" {
mpath = append(mpath, filepath.Join(stockDir, name))
}
return multipath.New(mpath...)
}
if executable.Directory != "" {
return multipath.New(
filepath.Join(executable.Directory, "/../../../../etc/netdata", name),
filepath.Join(executable.Directory, "/../../../../usr/lib/netdata/conf.d", name),
)
}
return multipath.New(
filepath.Join(cd, "/../../../../etc/netdata", name),
filepath.Join(cd, "/../../../../usr/lib/netdata/conf.d", name),
)
}
func modulesConfSDDir(confDir multipath.MultiPath) (mpath multipath.MultiPath) {
for _, v := range confDir {
mpath = append(mpath, filepath.Join(v, "sd"))
}
return mpath
}
func watchPaths(opts *cli.Option) []string {
if watchPath == "" {
return opts.WatchPath
}
return append(opts.WatchPath, watchPath)
}
func stateFile() string {
if varLibDir == "" {
return ""
}
return filepath.Join(varLibDir, "god-jobs-statuses.json")
}
func init() {
// https://github.com/netdata/netdata/issues/8949#issuecomment-638294959
if v := os.Getenv("TZ"); strings.HasPrefix(v, ":") {
_ = os.Unsetenv("TZ")
}
}
func main() {
opts := parseCLI()
if opts.Version {
fmt.Printf("go.d.plugin, version: %s\n", buildinfo.Version)
return
}
if envLogLevel != "" {
logger.Level.SetByName(envLogLevel)
}
if opts.Debug {
logger.Level.Set(slog.LevelDebug)
}
dir := modulesConfDir(opts)
a := agent.New(agent.Config{
Name: name,
ConfDir: confDir(opts),
ModulesConfDir: dir,
ModulesConfSDDir: modulesConfSDDir(dir),
ModulesConfWatchPath: watchPaths(opts),
VnodesConfDir: confDir(opts),
StateFile: stateFile(),
LockDir: lockDir,
RunModule: opts.Module,
MinUpdateEvery: opts.UpdateEvery,
})
a.Debugf("plugin: name=%s, version=%s", a.Name, buildinfo.Version)
if u, err := user.Current(); err == nil {
a.Debugf("current user: name=%s, uid=%s", u.Username, u.Uid)
}
cfg := httpproxy.FromEnvironment()
a.Infof("env HTTP_PROXY '%s', HTTPS_PROXY '%s'", cfg.HTTPProxy, cfg.HTTPSProxy)
a.Run()
}
func parseCLI() *cli.Option {
opt, err := cli.Parse(os.Args)
if err != nil {
var flagsErr *flags.Error
if errors.As(err, &flagsErr) && errors.Is(flagsErr.Type, flags.ErrHelp) {
os.Exit(0)
} else {
os.Exit(1)
}
}
return opt
}
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