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main.go
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main.go
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package main
import (
"bufio"
"encoding/base64"
"fmt"
"hash/maphash"
"io"
"log"
"log/slog"
"os"
"os/signal"
"path/filepath"
"runtime"
"strconv"
"strings"
"syscall"
"time"
isatty "github.com/mattn/go-isatty"
lib "github.com/tongson/gl"
terminal "golang.org/x/term"
)
var start = time.Now()
var serrLog *slog.Logger
type logWriter struct{}
type optT struct {
hostname string
id string
interp string
password string
sshconfig string
mode int
call int
sudo int
sudopwd int
phase int
}
type scriptT struct {
namespace string
script string
nsscript string
prescript string
precode string
postscript string
postcode string
lib string
code string
log string
interp string
}
type b64T struct {
stdout string
stderr string
code string
}
func logInt() {
tm := time.Since(start).Truncate(time.Second).String()
if tm == "0s" {
tm = "<1s"
}
jsonFile, _ := os.OpenFile(cLOG, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0600)
defer jsonFile.Close()
jsonLog := slog.New(slog.NewJSONHandler(jsonFile, &slog.HandlerOptions{Level: slog.LevelDebug}))
jsonLog.Debug("sigint", "app", "rr", "id", "???", "start", start.Format(cTIME), "task", "INTERRUPTED", "target", "???", "namespace", "???", "script", "???", "duration", tm)
_ = jsonFile.Close()
}
// CITATION: Konstantin Shaposhnikov - https://groups.google.com/forum/#!topic/golang-nuts/kTVAbtee9UA
// REFERENCE: https://gist.github.com/jlinoff/e8e26b4ffa38d379c7f1891fd174a6d0
var initTermState *terminal.State
var cleanUpFn func(string) = func(a string) {
_, _ = fmt.Fprintf(os.Stderr, "%s.", a)
}
func init() {
var err error
initTermState, err = terminal.GetState(int(os.Stdin.Fd()))
if err != nil {
return
}
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
logInt()
cleanUpFn("Caught signal. Exiting.\n")
_ = terminal.Restore(int(os.Stdin.Fd()), initTermState)
os.Exit(2)
}()
}
func setupScript(o optT, argMode int) scriptT {
var sh strings.Builder
var namespace string
var script string
var precode string
var prescript string
var postcode string
var postscript string
var dumplib string
var code string
var oplog string
var f bool
switch argMode {
case cArgLocalSolo:
namespace, script, f = os.Args[1], ".", true
case cArgLocalHier:
namespace, script, f = strings.Cut(os.Args[1], ":")
case cArgRemoteSolo:
namespace, script, f = os.Args[2], ".", true
case cArgRemoteHier:
if lib.IsDir(os.Args[2]) {
namespace, script, f = os.Args[2], ".", true
} else {
namespace, script, f = strings.Cut(os.Args[2], ":")
}
default:
namespace, script, f = "", "", false
}
if !f {
switch o.mode {
case cTerm, cPlain:
_, _ = fmt.Fprintln(os.Stderr, "Namespace and script not set")
os.Exit(2)
case cJson:
serrLog.Error("Namespace and script not set", "namespace", "")
os.Exit(2)
}
}
if !lib.IsDir(namespace) {
switch o.mode {
case cTerm, cPlain:
_, _ = fmt.Fprintf(os.Stderr, "Namespace `%s` is not a directory\n", namespace)
os.Exit(2)
case cJson:
serrLog.Error("Namespace is not a directory", "namespace", namespace)
os.Exit(2)
}
}
if !lib.IsDir(namespace + "/" + script) {
switch o.mode {
case cTerm, cPlain:
_, _ = fmt.Fprintf(os.Stderr, "`%s/%s` is not a directory\n", namespace, script)
os.Exit(2)
case cJson:
serrLog.Error("namespace/script is not a directory", "namespace", namespace, "script", script)
os.Exit(2)
}
}
if !lib.IsFile(namespace + "/" + script + "/" + cRUN) {
switch o.mode {
case cTerm, cPlain:
_, _ = fmt.Fprintf(os.Stderr, "`%s/%s/%s` script not found\n", namespace, script, cRUN)
os.Exit(2)
case cJson:
serrLog.Error("Script not found", "namespace", namespace, "script", script)
os.Exit(2)
}
}
var interp string = lib.FileRead(namespace + "/" + script + "/" + cINTERP)
interp = strings.TrimSuffix(interp, "\n")
if interp == "" {
interp = "sh"
}
var arguments []string
if argMode == cArgRemoteSolo || argMode == cArgRemoteHier {
arguments = []string{}
arguments = append(arguments, os.Args[3:]...)
} else {
arguments = os.Args[2:]
}
// Set LOG field
if eop, ok := os.LookupEnv(cOP); !ok {
if len(arguments) == 0 {
oplog = "UNDEFINED"
} else {
oplog = strings.Join(arguments, " ")
}
} else {
oplog = eop
}
if len(arguments) > 0 {
arguments = lib.InsertStr(arguments, "set --", 0)
sh.WriteString(strings.Join(arguments, " "))
sh.WriteString("\n")
}
fnWalkDir := lib.PathWalker(&sh)
if lib.IsFile(cINC) {
sh.WriteString(lib.FileRead(cINC) + "\n")
}
if lib.IsDir(".lib") {
alib, _ := filepath.EvalSymlinks(".lib")
if err := filepath.WalkDir(alib, fnWalkDir); err != nil {
_, _ = fmt.Fprint(os.Stderr, "Problem accessing .lib")
os.Exit(255)
}
}
if nslib := namespace + "/.lib"; lib.IsDir(nslib) {
anslib, _ := filepath.EvalSymlinks(nslib)
if err := filepath.WalkDir(anslib, fnWalkDir); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "Problem accessing %s\n", nslib)
os.Exit(255)
}
}
if nsslib := namespace + "/" + script + "/.lib"; lib.IsDir(nsslib) {
ansslib, _ := filepath.EvalSymlinks(nsslib)
if err := filepath.WalkDir(ansslib, fnWalkDir); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "Problem accessing %s\n", nsslib)
os.Exit(255)
}
}
dumplib = sh.String()
//Pass environment variables with `rr` prefix
for _, e := range os.Environ() {
if strings.HasPrefix(e, "rr__") {
sh.WriteString("export " + strings.TrimPrefix(e, "rr__") + "\n")
}
}
if lib.IsFile(namespace + "/" + script + "/" + cPRE) {
precode = lib.FileRead(namespace + "/" + script + "/" + cPRE)
prescript = sh.String() + precode
}
if lib.IsFile(namespace + "/" + script + "/" + cPOST) {
postcode = lib.FileRead(namespace + "/" + script + "/" + cPOST)
postscript = sh.String() + postcode
}
code = lib.FileRead(namespace + "/" + script + "/" + cRUN)
sh.WriteString(code)
return scriptT{
nsscript: sh.String(),
namespace: namespace,
script: script,
code: code,
lib: dumplib,
prescript: prescript,
precode: precode,
postscript: postscript,
postcode: postcode,
log: oplog,
interp: interp,
}
}
func b64(stdout string, stderr string, code string) b64T {
var s b64T
s.stdout = base64.StdEncoding.EncodeToString([]byte(stdout))
s.stderr = base64.StdEncoding.EncodeToString([]byte(stderr))
s.code = base64.StdEncoding.EncodeToString([]byte(code))
return s
}
func since(s time.Time) string {
tm := time.Since(s).Truncate(time.Second).String()
if tm == "0s" {
tm = "<1s"
}
return tm
}
func getPassword(prompt string) (string, error) {
var err error
fmt.Print(prompt)
p, err := terminal.ReadPassword(int(os.Stdin.Fd()))
fmt.Println("")
if err != nil {
return "", err
}
return string(p), err
}
func (writer logWriter) Write(bytes []byte) (int, error) {
return fmt.Printf(cANSI, time.Now().Format(time.RFC822Z), string(bytes))
}
func soOutput(h string, m int) func(string) {
switch m {
case cTerm:
return func(so string) {
if strings.Contains(so, "\n") {
fmt.Printf(" %s │ %s", h, so)
} else if so != "" {
fmt.Printf(" %s │ %s\n", h, so)
}
}
default:
return func(_ string) {
}
}
}
func conOutput(o string, h string, c string) (string, string, string) {
rh, rb, rf := "", "", ""
if o != "" {
rh = " " + h + c + "\n"
rb = lib.PipeStr(h, o) + "\n"
rf = " " + h + cFOOTER + "\n"
}
return rh, rb, rf
}
func stdWriter(stdout string, stderr string) {
if stdout != "" {
_, _ = fmt.Fprint(os.Stdout, stdout)
}
if stderr != "" {
_, _ = fmt.Fprint(os.Stderr, stderr+"\n")
}
}
func sshExec(o *optT, script string) (bool, lib.RunOut) {
tmps := ".__rr_src_" + (*o).id
// ssh hostname 'cat - > src'
log.Printf("CONNECTION: copying script…")
sshenv := []string{"LC_ALL=C"}
var ssha lib.RunArg
var sshb lib.RunArg
var sshc lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
args := []string{"-T", (*o).hostname, "cat - > " + tmps}
ssha = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte(script)}
case cTeleport:
args := []string{"ssh", (*o).hostname, "cat - > " + tmps}
ssha = lib.RunArg{Exe: "tsh", Args: args, Env: sshenv, Stdin: []byte(script)}
}
default:
args := []string{"-F", (*o).sshconfig, "-T", (*o).hostname, "cat - > " + tmps}
ssha = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte(script)}
}
if ret, out := ssha.Run(); !ret {
return ret, out
}
var ret bool
var out lib.RunOut
soFn := soOutput((*o).hostname, (*o).mode)
switch len((*o).sshconfig) {
case 0:
switch (*o).sudo {
default:
switch (*o).call {
default:
args := []string{"-T", (*o).hostname, (*o).interp, tmps}
sshb = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdout: soFn}
case cTeleport:
args := []string{"ssh", (*o).hostname, (*o).interp, tmps}
sshb = lib.RunArg{Exe: "tsh", Args: args, Env: sshenv, Stdout: soFn}
}
case cSudo:
switch (*o).call {
default:
args := []string{
"-T",
(*o).hostname,
"sudo",
"-k",
"--prompt=\"\"",
"-S",
"-s",
"--",
(*o).interp, tmps,
}
sshb = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte((*o).password), Stdout: soFn}
case cTeleport:
args := []string{
"ssh",
(*o).hostname,
"sudo",
"-k",
"--prompt=\"\"",
"-S",
"-s",
"--",
(*o).interp, tmps,
}
sshb = lib.RunArg{Exe: "tsh", Args: args, Env: sshenv, Stdin: []byte((*o).password), Stdout: soFn}
}
}
default:
switch (*o).sudo {
default:
args := []string{"-F", (*o).sshconfig, "-T", (*o).hostname, (*o).interp, tmps}
sshb = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte((*o).password), Stdout: soFn}
case cSudo:
args := []string{
"-F",
(*o).sshconfig,
"-T",
(*o).hostname,
"sudo",
"-k",
"--prompt=\"\"",
"-S",
"-s",
"--",
(*o).interp,
tmps,
}
sshb = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte((*o).password), Stdout: soFn}
}
}
sshCleanUpFn := func(x bool) func(string) {
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
args := []string{"-T", (*o).hostname, "rm -f " + tmps}
sshc = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv}
case cTeleport:
args := []string{"ssh", (*o).hostname, "rm -f " + tmps}
sshc = lib.RunArg{Exe: "tsh", Args: args, Env: sshenv}
}
default:
args := []string{"-F", (*o).sshconfig, "-T", (*o).hostname, "rm -f " + tmps}
sshc = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv}
}
return func(a string) {
if x {
_, _ = sshc.Run()
}
if a != "" {
_, _ = fmt.Fprintf(os.Stderr, "%s.", a)
}
}
}
cleanUpFn = sshCleanUpFn(true)
// ssh hostname 'sh src'
log.Printf("CONNECTION: running script…")
ret, out = sshb.Run()
// ssh hostname 'rm -f src'
log.Printf("CONNECTION: cleaning up…")
cleanUpFn("")
return ret, out
}
func sudoCopy(o *optT, dir string) (bool, lib.RunOut) {
// Three stage connection for ssh+sudo+passwd untar
// 1. ssh hostname 'cat - > untar.sh'
// 2. sh -c 'tar -czf - | ssh hostname 'tar -xf -'
// 3. ssh hostname 'sudo untar.sh'
// Why three connections? sudo STDIN is for the password
tmpd := ".__rr.dir." + (*o).id
tmpf := ".__rr.tar." + (*o).id
// untar stage #3 script
tarcmd := `
set -efu
export LC_ALL=C
tar -C %s %s -cf - . | tar -C / %s -xf -
rm -rf %s
rm -f %s
`
tarexec := fmt.Sprintf(tarcmd, tmpd, cTARC, cTARX, tmpd, tmpf)
sshenv := []string{"LC_ALL=C"}
var untar1 lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
untar1 = lib.RunArg{
Exe: "ssh",
Args: []string{
"-T",
(*o).hostname,
"cat - > " + tmpf,
},
Env: sshenv,
Stdin: []byte(tarexec),
}
case cTeleport:
untar1 = lib.RunArg{Exe: "tsh", Args: []string{
"ssh",
(*o).hostname,
"cat - > " + tmpf},
Env: sshenv,
Stdin: []byte(tarexec),
}
}
default:
args := []string{"-F", (*o).sshconfig, "-T", (*o).hostname, "cat - > " + tmpf}
untar1 = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte(tarexec)}
}
if ret, out := untar1.Run(); !ret {
return ret, out
}
// untar stage #3 script
untarDefault := `
set -efu
RRHOST="%s"
RRSRC="%s"
RRDEST="%s"
RRSCRIPT="%s"
tar -C "$RRSRC" %s -czf - . | ssh -T "$RRHOST" tar --one-top-level="$RRDEST" -xzf - %s
`
teleportDefault := `
set -efu
RRHOST="%s"
RRSRC="%s"
RRDEST="%s"
RRSCRIPT="%s"
tar -C "$RRSRC" %s -czf - . | tsh ssh "$RRHOST" tar --one-top-level="$RRDEST" -xzf - %s
`
untarConfig := `
set -efu
RRHOST="%s"
RRSRC="%s"
RRDEST="%s"
RRCONFIG="%s"
RRSCRIPT="%s"
tar -C "$RRSRC" %s -czf - . | ssh -F "$RRCONFIG" -T "$RRHOST" tar --one-top-level="$RRDEST" -xzf - %s
`
tarenv := []string{"LC_ALL=C"}
var untar2 lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
untar2 = lib.RunArg{
Exe: (*o).interp,
Args: []string{
"-c",
fmt.Sprintf(untarDefault, (*o).hostname, dir, tmpd, tmpf, cTARC, cTARX),
},
Env: tarenv,
}
case cTeleport:
untar2 = lib.RunArg{Exe: (*o).interp, Args: []string{
"-c",
fmt.Sprintf(teleportDefault, (*o).hostname, dir, tmpd, tmpf, cTARC, cTARX)},
Env: tarenv,
}
}
default:
untar2 = lib.RunArg{Exe: (*o).interp, Args: []string{
"-c",
fmt.Sprintf(untarConfig, (*o).hostname, dir, tmpd, (*o).sshconfig, tmpf, cTARC, cTARX)},
Env: tarenv,
}
}
if ret, out := untar2.Run(); !ret {
return ret, out
}
var untar3 lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
args := []string{
"-T",
(*o).hostname,
"sudo",
"-k",
"--prompt=\"\"",
"-S",
"-s",
"--",
(*o).interp,
tmpf,
}
untar3 = lib.RunArg{
Exe: "ssh",
Args: args,
Env: sshenv,
Stdin: []byte((*o).password),
}
case cTeleport:
args := []string{"ssh", (*o).hostname, "sudo", "-k", "--prompt=\"\"", "-S", "-s", "--", (*o).interp, tmpf}
untar3 = lib.RunArg{Exe: "tsh", Args: args, Env: sshenv, Stdin: []byte((*o).password)}
}
default:
args := []string{"-F",
(*o).sshconfig,
"-T",
(*o).hostname,
"sudo",
"-k",
"--prompt=\"\"",
"-S",
"-s",
"--",
(*o).interp, tmpf,
}
untar3 = lib.RunArg{Exe: "ssh", Args: args, Env: sshenv, Stdin: []byte((*o).password)}
}
return untar3.Run()
}
func sudoCopyNopasswd(o *optT, dir string) (bool, lib.RunOut) {
tarDefault := `
set -efu
tar -C %s %s -czf - . | ssh -T %s sudo -k -- tar -C / %s -xzf -
`
tarTeleport := `
set -efu
tar -C %s %s -czf - . | tsh ssh %s sudo -k -- tar -C / %s -xzf -
`
tarConfig := `
set -efu
tar -C %s %s -czf - . | ssh -F %s -T %s sudo -k -- tar -C / %s -xzf -
`
tarenv := []string{"LC_ALL=C"}
var tar lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
tar = lib.RunArg{
Exe: (*o).interp,
Args: []string{"-c", fmt.Sprintf(tarDefault, dir, cTARC, (*o).hostname, cTARX)},
Env: tarenv,
}
case cTeleport:
tar = lib.RunArg{Exe: (*o).interp, Args: []string{
"-c",
fmt.Sprintf(tarTeleport, dir, cTARC, (*o).hostname, cTARX)},
Env: tarenv,
}
}
default:
tar = lib.RunArg{Exe: (*o).interp, Args: []string{"-c",
fmt.Sprintf(tarConfig, dir, cTARC, (*o).sshconfig, (*o).hostname, cTARX)},
Env: tarenv,
}
}
return tar.Run()
}
func quickCopy(o *optT, dir string) (bool, lib.RunOut) {
tarDefault := `
set -efu
tar -C %s %s -czf - . | ssh -T %s tar -C / %s --delay-directory-restore -xzf -
`
tarTeleport := `
set -efu
tar -C %s %s -czf - . | tsh ssh %s tar -C / %s --delay-directory-restore -xzf -
`
tarConfig := `
set -efu
tar -C %s %s -czf - . | ssh -F %s -T %s tar -C / %s --delay-directory-restore -xzf -
`
tarenv := []string{"LC_ALL=C"}
var tar lib.RunArg
switch len((*o).sshconfig) {
case 0:
switch (*o).call {
default:
tar = lib.RunArg{
Exe: (*o).interp,
Args: []string{"-c", fmt.Sprintf(tarDefault, dir, cTARC, (*o).hostname, cTARX)},
Env: tarenv,
}
case cTeleport:
tar = lib.RunArg{Exe: (*o).interp, Args: []string{
"-c",
fmt.Sprintf(tarTeleport, dir, cTARC, (*o).hostname, cTARX)},
Env: tarenv,
}
}
default:
tar = lib.RunArg{Exe: (*o).interp, Args: []string{"-c",
fmt.Sprintf(tarConfig, dir, cTARC, (*o).sshconfig, (*o).hostname, cTARX)},
Env: tarenv,
}
}
return tar.Run()
}
func generateHashID() string {
h := new(maphash.Hash)
uid := fmt.Sprintf("%016X", h.Sum64())
return string([]rune(uid)[:8])
}
func customResult(stdout *bufio.Scanner, stderr *bufio.Scanner) string {
var result string = cOK
for stderr.Scan() {
if strings.Contains(stderr.Text(), cREPAIRED) {
result = "repaired"
}
}
// It's unlikely we are gonna look for cCHANGED and cREPAIRED at the same time.
// cCHANGED (Ansible output) has priority.
for stdout.Scan() {
if strings.Contains(stdout.Text(), cCHANGED) {
result = "changed"
}
}
return result
}
func main() {
runtime.MemProfileRate = 0
var opt optT
var failed bool = false
var result string = cOK
if call := os.Args[0]; len(call) < 3 || call[len(call)-2:] == "rr" {
log.SetOutput(io.Discard)
} else {
switch mode := call[len(call)-3:]; mode {
case "rrp":
opt.mode = cPlain
log.SetOutput(io.Discard)
case "rrv":
opt.mode = cTerm
log.SetOutput(new(logWriter))
case "rrd":
opt.call = cDump
log.SetOutput(io.Discard)
case "rrl":
opt.call = cLog
log.SetOutput(io.Discard)
case "rrs":
opt.sudopwd = cSudoPasswd
opt.sudo = cSudo
case "rrt":
opt.call = cTeleport
case "rro":
opt.call = cTeleport
opt.sudo = cSudo
case "rru":
opt.sudo = cSudo
opt.sudopwd = cNoSudoPasswd
default:
valid := cPmodes
_, _ = fmt.Fprintf(os.Stderr, "ERROR: Unsupported executable name. Valid modes:\n%s\n", lib.PipeStr("", valid))
os.Exit(2)
}
}
// rrl mode
if cLog == opt.call {
rrlMain()
os.Exit(0)
}
log.SetFlags(0)
if opt.mode != cPlain {
if isatty.IsTerminal(os.Stdout.Fd()) {
opt.mode = cTerm
log.SetOutput(new(logWriter))
} else {
serrLog = slog.New(slog.NewJSONHandler(os.Stderr, nil))
log.SetOutput(io.Discard)
}
}
// Handle top-level README
if len(os.Args) < 2 {
isReadme := func() (bool, string) {
match, _ := lib.FileGlob("README*")
for _, m := range match {
if lib.IsFile(m) {
return true, m
}
}
return false, ""
}
printReadme := func(s string) {
switch opt.mode {
case cTerm:
for _, each := range lib.FileLines(s) {
fmt.Printf(" \x1b[38;2;85;85;85m⋮\x1b[0m %s\n", each)
}
fmt.Printf("\n")
case cPlain:
fmt.Print(lib.FileRead(s))
case cJson:
serrLog.Error("README output disabled in this mode.")
os.Exit(2)
}
}
if found1, readme1 := isReadme(); found1 && readme1 != "" {
log.Printf("Showing %s…", readme1)
printReadme(readme1)
os.Exit(0)
}
switch opt.mode {
case cJson:
serrLog.Error(eUNSPECIFIED)
os.Exit(2)
case cTerm, cPlain:
_, _ = fmt.Fprintln(os.Stderr, eUNSPECIFIED)
os.Exit(2)
}
}
// Handle namespace/script readmes
{
isReadme := func(s string) (bool, string) {
s = strings.TrimSuffix(s, "/")
s = strings.TrimSuffix(s, ":")
match, _ := lib.FileGlob(s + "/" + cDOC + "*")
for _, m := range match {
if lib.IsFile(m) {
return true, m
}
}
return false, ""
}
printReadme := func(s string) {
switch opt.mode {
case cTerm:
ps := strings.Split(s, "/")
s1 := ps[0]
var s2 string
var s3 string
if len(ps) == 2 {
s2 = "*"
s3 = ps[1]
} else {
s2 = ps[1]
s3 = ps[2]
}
pps := "rr " + s1 + ":" + s2 + " (" + s3 + ")"
sz := len(pps)
line := strings.Repeat("─", sz+2)
fmt.Printf("%s┐\n", line)
fmt.Printf(" \x1b[37;1m%s\x1b[0m │\n", pps)
fmt.Printf("%s┘\n", line)
for _, each := range lib.FileLines(s) {
fmt.Printf(" \x1b[38;2;85;85;85m⋮\x1b[0m %s\n", each)
}
fmt.Printf("\n")
case cPlain:
fmt.Print(lib.FileRead(s))
case cJson:
serrLog.Error("README output disabled in this mode.")
os.Exit(2)
}
}
if found1, readme1 := isReadme(os.Args[1]); found1 && readme1 != "" {
log.Print("Showing README…")
printReadme(readme1)
os.Exit(0)
} else if len(os.Args) > 2 {
if found2, readme2 := isReadme(os.Args[2]); found2 && readme2 != "" {
log.Print("Showing README…")
printReadme(readme2)
os.Exit(0)
}
}
}
var argMode int
var hostname string
var id string = generateHashID()
opt.id = id // used for the random suffix in the temp filename
switch {
case len(os.Args) > 2 && strings.Contains(os.Args[2], ":"):
b, _, _ := strings.Cut(os.Args[2], ":")
if lib.IsDir(b) == true || lib.IsDir(os.Args[2]) {
argMode = cArgRemoteHier
hostname = os.Args[1]
} else {
argMode = cArgNone
}
case len(os.Args) > 2 && lib.IsDir(os.Args[2]):
argMode = cArgRemoteSolo
hostname = os.Args[1]
case strings.Contains(os.Args[1], ":"):
b, _, _ := strings.Cut(os.Args[1], ":")
if lib.IsDir(b) == true {
argMode = cArgLocalHier
hostname = "local"
} else {
argMode = cArgNone
}
case lib.IsDir(os.Args[1]):
argMode = cArgLocalSolo
hostname = "local"
default:
argMode = cArgNone
}
if argMode == cArgNone {
switch opt.mode {
case cTerm, cPlain:
_, _ = fmt.Fprintln(os.Stderr, eUNSPECIFIED)
os.Exit(2)
case cJson:
serrLog.Error(eUNSPECIFIED)
os.Exit(2)
}
}
opt.hostname = hostname
jsonFile, _ := os.OpenFile(cLOG, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0600)
defer jsonFile.Close()
jsonLog := slog.New(slog.NewJSONHandler(jsonFile, &slog.HandlerOptions{Level: slog.LevelDebug}))
var scr scriptT = setupScript(opt, argMode)
// rrd mode
if cDump == opt.call {
fmt.Print(scr.lib)
fmt.Print(scr.code)
os.Exit(0)
}
// $nsScript is the actual script to execute
// $code is the sanitized script without rr__ variables
opt.interp = scr.interp
failedLogPrint := func(s scriptT, o optT, t lib.RunOut) {
var hostname string
var code string
switch o.phase {
case cPhasePrelude:
hostname = "prelude"
code = s.precode
case cPhaseEpilogue:
hostname = "epilogue"
code = s.postcode
default:
hostname = o.hostname
code = s.code
}
he, be, fe := conOutput(t.Stderr, hostname, cSTDERR)
hd, bd, fd := conOutput(t.Error, hostname, cSTDDBG)
b64Out := b64(t.Stdout, t.Stderr, code)
jsonLog.Error(s.log, "app", "rr", "id", o.id, "code", b64Out.code, "stdout", b64Out.stdout, "stderr", b64Out.stderr, "error", t.Error)
switch o.mode {
case cPlain:
stdWriter(t.Stdout, t.Stderr)
case cJson:
serrLog.Error(s.log, "stdout", t.Stdout, "stderr", t.Stderr, "error", t.Error)
case cTerm:
log.Printf("Failure running script!\n%s%s%s%s%s%s", he, be, fe, hd, bd, fd)
}
}
okLogPrint := func(s scriptT, o optT, t lib.RunOut) {
var hostname string
var code string
switch o.phase {
case cPhasePrelude:
hostname = "prelude"
code = s.precode
case cPhaseEpilogue:
hostname = "epilogue"
code = s.postcode
default:
hostname = o.hostname
code = s.code
}
he, be, fe := conOutput(t.Stderr, hostname, cSTDERR)
hd, bd, fd := conOutput(t.Error, hostname, cSTDDBG)
b64Out := b64(t.Stdout, t.Stderr, code)
jsonLog.Debug(s.log, "app", "rr", "id", o.id, "code", b64Out.code, "stdout", b64Out.stdout, "stderr", b64Out.stderr, "error", t.Error)
jsonLog.Info(s.log, "app", "rr", "id", o.id, "result", result)
switch o.mode {
case cPlain:
stdWriter(t.Stdout, t.Stderr)
case cTerm:
if t.Stderr != "" || t.Error != "" {
log.Printf("Done. Output:\n%s%s%s%s%s%s", he, be, fe, hd, bd, fd)
}
case cJson:
if t.Stdout != "" || t.Stderr != "" || t.Error != "" {
serrLog.Info(s.log, "stdout", t.Stdout, "stderr", t.Stderr, "error", t.Error)
}
}
}
// Start execution routine
log.Printf("taarr %s “%s”", cVERSION, cCODE)
jsonLog.Info(scr.log, "app", "rr", "id", id, "namespace", scr.namespace, "script", scr.script, "target", hostname)
if lib.IsFile(scr.namespace + "/" + scr.script + "/" + cPRE) {
preStart := time.Now()
log.Printf("Found prelude script for %s:%s. Running locally…", scr.namespace, scr.script)
jsonLog.Debug("prelude", "app", "rr", "id", id, "script", scr.script)
soFn := soOutput("prelude", opt.mode)
rargs := lib.RunArg{Exe: scr.interp, Stdin: []byte(scr.prescript), Stdout: soFn}
ret, out := rargs.Run()
if opt.phase = cPhasePrelude; !ret {
failed = true
failedLogPrint(scr, opt, out)
} else {
okLogPrint(scr, opt, out)
}
if tm := since(preStart); !failed {
jsonLog.Debug(result, "app", "rr", "id", id, "start", start.Format(cTIME), "task", scr.log, "target", "prelude", "namespace", scr.namespace, "script", scr.script, "duration", tm)
if opt.mode == cTerm {
log.Printf("Prelude run time: %s. Ok.", tm)
}
} else {
jsonLog.Debug("failed", "app", "rr", "id", id, "start", start.Format(cTIME), "task", scr.log, "target", "prelude", "namespace", scr.namespace, "script", scr.script, "duration", tm)
switch opt.mode {
case cPlain:
// Nothing to do
case cTerm:
log.Printf("Prelude run time: %s. Something went wrong.", tm)