#!/usr/bin/env perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
use strict;
use warnings;
use Getopt::Long;
use Data::Dumper;

BEGIN
{
    $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : -d '/opt/xcat' ? '/opt/xcat' : '/usr';
}
use lib "$::XCATROOT/lib/perl";
my $rootdir = "$::XCATROOT/share/xcat/tools/autotest";
my $needhelp  = 0;
my $configfile = "$rootdir/default.conf";
my $bundle_list = undef;
my $case_list = undef;
my $cmd_list = undef;
my $needshow = 0;
my $restore = 0;
my $ret = 0;

if (
    !GetOptions("h|?"  => \$needhelp,
                "f=s" => \$configfile,
		"b=s" => \$bundle_list,
		"t=s" => \$case_list,
		"c=s" => \$cmd_list,
		"l" => \$needshow,
                "restore"=>\$restore)
  )
{
    &usage;
    exit 1;
}

if ($needhelp)
{
    &usage;
    exit 0;
}

#load case to $cases
#    key                        type
#$cases[x](x>0):                hash
#    name                       string
#    os:AIX/Linux               string
#    arch:ppc64/x386            string
#    hcp:hmc/mm/bmc/fsp         string
#    cmd:                       array
#    check:                     array

my @cases=();
if($needshow){
    &loadcase;
    exit 0;
}

my $resultdir = "$rootdir/result";
#Create result directory
mkdir $resultdir unless -d $resultdir;

# create a log
my $timestamp = `date +"%Y%m%d%H%M%S"`;
open(LOG, ">$resultdir/xcattest.log.$timestamp")
  or die "Can't open logfile for writing: $!";
&log_this("xCAT automated test started at " . scalar(localtime()));
open(LOG_ERR, ">$resultdir/failedcases.$timestamp")
  or die "Can't open error logfile for writing: $!";

#read config file
#config{object}{type}{name}{attr}
#config{table}{name}{entry}{key}
#config{script_prev}->[]
#config{script_post}->[]
#config{var}{varname}
my %config=();
$ret = &getConfig;
if($ret != 0){
    goto EXIT;
}

$ret = &init;
if($ret != 0){
    goto EXIT;
}
#loading and check cases
$ret = &loadcase;
if($ret != 0){
    goto EXIT;
}
#run case
&runcase;

EXIT:
if($restore){
    &uninit;
}
&log_this("\nxCAT automated test finished at " . scalar(localtime()));
&log_this("Please check results in the $resultdir, \nand see $resultdir/failedcases.$timestamp file for failed cases.");
close(LOG);
close(LOG_ERR);
exit 0;

# end main

#
# logger
#

sub log_this
{
    if($needshow){
        return;
    }
    print LOG join("\n", @_), "\n";
    print join("\n", @_), "\n";
}

sub log_error
{
    print LOG_ERR join("\n", @_), "\n";
}

sub getConfig
{
    log_this("******************************");
    log_this("Reading Configure");
    log_this("******************************");
    if(!(-e $configfile)){
       log_this("Warning: The xCAT test Configure file doesn't exist!");
       return 0;
    }

    my $type = undef;  #Script_Prev,Script_Post,Table,Object,System,Custom
    my $sub_type = undef; # The string after $type_
    # Script-->
    #       Script_Prev
    #       Script_Post
    # Table--->
    #       Table_xxxxx
    # Object-->
    #       Object_xxxx
    # System---->
    # Custom---->

    my $name = undef;
    my $attr = undef;
    my $value = undef;
    my $c = 0;
    my $cmd = undef;

    my $mgt_name = undef;

    open(FILE, "$configfile") or die "can't to open $configfile";
    while(my $line = <FILE>) {
        $line = &trim($line);
        next if(length($line) == 0);

        #Table name can not contain "_"
        if($line =~ /\[\s*(\w+)\_(\w+)\s*\]/) {
            $type = $1;
            $sub_type = $2;
            $name = undef;
            $c = 0;
        }elsif($line =~ /\[\s*System|Custom\s*\]/){
            $type = "Varible";
        }elsif ($type eq "Table") {
            ##TABLE BLOCK##
            if($line =~ /(\w+)\s*=\s*([\w\.\-]+)/) {
                $attr = $1;
                $value = $2;
                if($name&&($config{table}{$sub_type}{$name}{__KEY__} ne $attr)){
                    $config{table}{$sub_type}{$name}{$attr}=$value;
                } else {
                    $name = $value;
                    $config{table}{$sub_type}{$name}{__KEY__}=$attr;
                }
            }
        }elsif ($type eq "Object") {
            ##OBJECT BLOCK##
            if($line =~ /(\w+)\s*=\s*([\w\.\-]+)/) {
               $attr = $1;
               $value = $2;
               if($attr eq "Name"){
                   $name = $value;
               } elsif(!defined($name)){
                   print "Please give name for Object\n";
                   close FILE;
                   return 1;
               } else {
                   $config{object}{$sub_type}{$name}{$attr}=$value;
               }
            }
        }elsif ($type eq "Script") {
            ##SCRIPT_BLOCK##
            if($sub_type eq "Prev") {
                $config{script_prev}->[$c] = $line;
                $c = $c + 1;
            }
            elsif ($sub_type eq "Post") {
                $config{script_post}->[$c] = $line;
                $c = $c + 1;
            }
        } elsif ($type eq "Varible") {
            ##NODE_BLOCK##
            if($line =~ /(\w+)\s*=\s*([\w\.\-\/]+)/) {
                $config{var}{$1} = $2;
            }
        }
    }
    
    if(exists $config{object}){
        foreach my $type (keys %{$config{object}}){
            foreach my $name (keys %{$config{object}{$type}}){
                log_this("OBJECT:$name,TYPE:$type");
                foreach my $attr (keys %{$config{object}{$type}{$name}}){
                    log_this("    $attr = $config{object}{$type}{$name}{$attr};");
                }
            }
        }
    }
    if(exists $config{table}){
        foreach my $type (keys %{$config{table}}){
            log_this("TABLE:$type");
            foreach my $name (keys %{$config{table}{$type}}){
                log_this("    $config{table}{$type}{$name}{__KEY__} = $name");
                foreach my $attr (keys %{$config{table}{$type}{$name}}){
                    if($attr ne '__KEY__'){
                        log_this("    $attr = $config{table}{$type}{$name}{$attr}");
                    }
                }
                log_this("\n");
            }
        }
    }
    if(exists $config{script_prev}){
        log_this("Script_Prev:");
        foreach $cmd (@{$config{script_prev}}){
            log_this("    $cmd");
        }
    }

    if(exists $config{script_post}){
        log_this("Script_Prev:");
        foreach $cmd (@{$config{script_post}}){
            log_this("    $cmd");
        }
    }

    if(exists $config{var}){
        log_this("Varible:");
        foreach my $varname (keys %{$config{var}}){
            log_this("    $varname = $config{var}{$varname}");
        }
    }

    close FILE;
    return 0;
}

sub init
{
    log_this("******************************");
    log_this("initialize xCAT test evironment");
    log_this("******************************");
    my $cmd = undef;
    foreach $cmd (@{$config{script_prev}}){
        log_this("$cmd");
        &runcmd($cmd);
        if($::RUNCMD_RC != 0){
            &log_this("Fail to run $cmd");
            return 1;
        }
    }
    if(exists $config{object}){
        foreach my $type (keys %{$config{object}}){
            foreach my $name (keys %{$config{object}{$type}}){
                $cmd = "chdef -t $type -o $name";
                foreach my $attr (keys %{$config{object}{$type}{$name}}){
                    $cmd = $cmd." $attr=$config{object}{$type}{$name}{$attr}";
                }
                log_this($cmd);
                runcmd($cmd);
                if($::RUNCMD_RC != 0){
                    log_this("Fail to run $cmd");
                    return 1;
                }
            }
        }
    }
    if(exists $config{table}){
        foreach my $type (keys %{$config{table}}){
            foreach my $name (keys %{$config{table}{$type}}){
                $cmd = "chtab $config{table}{$type}{$name}{__KEY__}=$name";
                foreach my $attr (keys %{$config{table}{$type}{$name}}){
                    if($attr ne '__KEY__'){
                        $cmd = $cmd." $type.$attr=$config{table}{$type}{$name}{$attr}";
                    }
                }
                log_this($cmd);
                &runcmd($cmd);
                if($::RUNCMD_RC != 0){
                    &log_this("Fail to run $cmd");
                    return 1;
                }
            }
        }
    }

    if(!exists $config{var}{OS}){
        my @output = runcmd("uname");
        $config{var}{OS} = $output[0];
        log_this("Detecting: OS = $config{var}{OS}");
    }
    if(!exists $config{var}{ARCH}){
        if(!exists $config{var}{CN}){
            $config{var}{ARCH} = "Unknown";
            log_this("No compute node defined,can't get ARCH of compute node");
        } else {
            $config{var}{ARCH} = getnodeattr($config{var}{CN},"arch");
	    if($config{var}{ARCH} =~ /ppc/){
                $config{var}{ARCH} = 'ppc';
            }elsif($config{var}{ARCH}=~/86/){
                $config{var}{ARCH} = 'x86';
            }
            log_this("Detecting: ARCH = $config{var}{ARCH}");
        }
    }
    if(!exists $config{var}{HCP}){
        if(!exists $config{var}{CN}){
            $config{var}{HCP} = "Unknown";
            log_this("No compute node defined,can't get HCP TYPE of compute node");
        } else {
            $config{var}{HCP} = getnodeattr($config{var}{CN}, "mgt");
            log_this("Detecting: HCP = $config{var}{HCP}");
        }

    }
    return 0;
}

sub uninit
{
    log_this("******************************");
    log_this("un-initialize xCAT test evironment");
    log_this("******************************");
    my $cmd = undef;;
    if(exists $config{object}){
        foreach my $type (keys %{$config{object}}){
            foreach my $name (keys %{$config{object}{$type}}){
                $cmd = "rmdef -t $type -o $name";
                log_this($cmd);
                runcmd($cmd);
                if($::RUNCMD_RC != 0){
                    log_this("Fail to run $cmd");
                    return 1;
                }
            }
        }
    }
    if(exists $config{table}){
        foreach my $type (keys %{$config{table}}){
            foreach my $name (keys %{$config{table}{$type}}){
                $cmd = "chtab -d $config{table}{$type}{$name}{__KEY__}=$name $type";
                log_this($cmd);
                runcmd($cmd);
                if($::RUNCMD_RC != 0){
                    log_this("Fail to run $cmd");
                    return 1;
                }
            }
        }
    }
    foreach $cmd (@{$config{script_post}}){
        log_this($cmd);
        runcmd($cmd);
        if($::RUNCMD_RC != 0){
            log_this("Fail to run $cmd");
            return 1;
        }
    }
    return 0;
}

sub loadcase
{
    log_this("******************************");
    log_this("loading test cases");
    log_this("******************************");
    my $casedir = "/opt/xcat/share/xcat/tools/autotest/testcase";
    my @files = ();
    if($cmd_list){
        my @cmds = split /,/,$cmd_list;
        for my $cmd (@cmds){
             push (@files, glob("$casedir/$cmd/*"));
        }
    } else {
        @files = glob("$casedir/*/*");
    }
    my $file;
    my $line;
    my $i = 0;
    my $j = -1;
    my $z = 0;
    my $skip = 0;
    
    my @caserange = ();
    my @rightcase = ();
    my @notrightcase = ();
    if($bundle_list){
        my @bundles = split /,/, $bundle_list;
        foreach my $bundle (@bundles){
            if(!open(FILE, "<$rootdir/bundle/$bundle")){
                log_this("can't open $rootdir/bundle/$bundle");
                return 1;
            }
            while($line=<FILE>){
                $line = trim($line);
                next if(length($line) == 0);
                push(@caserange, $line);
            }
            close(FILE);
        }
    }
    if($case_list){
       @caserange = split /,/, $case_list; 
    }
    foreach $file (@files){
        if(!open(FILE, "<$file")){
            log_this("can't open $file");
            return 1;
        }
        while($line=<FILE>){
            $line = &trim($line);
            next if(length($line) == 0);
            #description line is only a comment
            next if($line =~ /^description\s*:/);

            if($line =~ /^start\s*:\s*(\w+)/){
                $skip = 0;
                my $name = $1;
                if( $caserange[0] && !(grep {/^$name$/} @caserange)){
                    $skip = 1;
                    next;
                }
                $j = -1;
                $cases[$i]={};
                $cases[$i]->{name}=$name;
		$cases[$i]->{filename}=$file;
                if(!$needshow){
                    $cases[$i]->{cmd}=[];
                    $cases[$i]->{check}=[];
                    push(@rightcase, $name);
                }else{
                    $skip = 1;
                    $i = $i + 1;
                }
            }elsif($line =~ /^os\s*:\s*(\w[\w\,]+)/){
                next if $skip;
                $cases[$i]->{os}=$1;
                if($cases[$i]->{os} !~ /$config{var}{OS}/){
                    push(@notrightcase, $cases[$i]->{name});
                    pop(@rightcase);
                    $skip = 1;
                }
              
            }elsif($line =~ /^arch\s*:\s*(\w[\w\,]+)/){
                next if $skip;
                $cases[$i]->{arch}=$1;
                if($cases[$i]->{arch} !~ /$config{var}{ARCH}/){
                    push(@notrightcase, $cases[$i]->{name});
                    pop(@rightcase);
                    $skip = 1;
                }
            }elsif($line =~ /^hcp\s*:\s*(\w[\w\,]+)/){
                next if $skip;
                $cases[$i]->{hcp}=$1;
                if($cases[$i]->{hcp} !~ /$config{var}{HCP}/){
                    push(@notrightcase, $cases[$i]->{name});
                    pop(@rightcase);
                    $skip = 1;
                }
            }elsif($line =~ /^cmd\s*:\s*([\$\w].+)/){
                next if $skip;
                $j = $j + 1;
                $z = 0;
                $cases[$i]->{cmd}->[$j]=&getvar($1);
                if($cases[$i]->{cmd}->[$j] eq ''){
                    close(FILE);
                    return 1;
                }
            }elsif($line =~ /^check\s*:\s*(\w.+)/){
                next if $skip;
                $cases[$i]->{check}->[$j][$z] = &getvar($1);
                if($cases[$i]->{check}->[$j][$z] eq ''){
                    close(FILE);
                    return 1;
                }
                $z = $z + 1;
            }elsif($line =~ /^end/){
                next if $skip;
                $i = $i + 1;
            }
        }

        close(FILE);
    }
    if($needshow){
        foreach my $case (@cases){
            print "$case->{name}\n";
        }
        return 0;
    }
    log_this("To run:", @rightcase);
    log_this("Not to run:", @notrightcase);
    return 0;
}

sub getnodeattr
{
    my ($node, $attr) = @_;
    my @output = runcmd("lsdef -t node -o $node -i $attr");
    if($::RUNCMD_RC){
        return "Unknown";
    }else{
        foreach my $output1 (@output){
            if($output1 =~ /$attr=(\w.+)/){
                return $1;
            }
        }
    }
    return "Unknown";
}
#to remove space and comment
sub trim
{
   my $str = shift @_;
   if($str){
       $str =~ s/^\s+|#.+|\s+$//g;
   }
   return $str;
}

sub getvar
{
    my $str = shift @_;
    while($str =~ /\$\$(\w+)/){
        my $varname = $1;
        if(exists ($config{var}{$varname})){
            $str =~ s/\$\$$varname/$config{var}{$varname}/g;
        } else {
            log_this("Error:can't get varible $varname");
            return '';
        }
    }
    return $str;
}
sub getfunc
{
    my $str = shift @_;
    my $func = undef;
    my @para = ();
    my $parameter = undef;
    my $value = undef;
    while($str =~ /__(\w+)\(([\s\,\w\$]*)\)__/){
        $func = $1;
        $parameter = $2;
        @para = split /\s*,\s*/, trim($parameter);
        if($func eq "GETNODEATTR"){     
            $value= getnodeattr(@para);
            if($value eq "Unknown"){
                $value = '';
            }
        }elsif($func eq "INC"){
            $value = $para[0] + 1;
        }
        $str =~ s/__$func\($parameter\)__/$value/g;
    }
    return $str;
}
sub runcase
{
    log_this("******************************");
    log_this("Start to run test cases");
    log_this("******************************");
    my @output = ();
    my $rc = 0;
    my $j = 0;
    my $z = 0;
    my $lvalue = undef;
    my $rvalue = undef;
    my $op = undef;
    my $failed = 0;
    my $total = 0;
    my $failnum = 0;
    foreach my $case (@cases){
        my @record = ();
        $failed = 0;
        $j = 0;
        $total = $total + 1;
        log_this("------START:$$case{name}------");
        push @record, "------START:$$case{name}------";
	push @record, "FILENAME:$$case{filename}";
        foreach my $cmd (@{$$case{cmd}}){
	    $cmd = getfunc($cmd);
            log_this("\nRUN:$cmd");
            push(@record, "\nRUN:$cmd");
            @output = &runcmd($cmd);
            $rc = $::RUNCMD_RC;
            log_this("RETURN: rc = $rc","OUTPUT:",@output);
            push(@record,("RETURN rc = $rc","OUTPUT:",@output));
            foreach my $check (@{$$case{check}->[$j]}){
                if($failed){
                    last;
                }
                if($check =~ /rc\s*([=!]+)\s*(\d+)/){
                    $lvalue = $rc;
                    $op = $1;
                    $rvalue = $2;
                    if((($op eq '!=') && ($lvalue == $rvalue))
                        ||(($op eq '==') && ($lvalue != $rvalue))){
                        $failed = 1;
                    }
                    if($failed){
                        log_this("CHECK:rc $op $rvalue\t[Failed]");
                        push(@record, "CHECK:rc $op $rvalue\t[Failed]");
                        last;
                    } else {
                        log_this("CHECK:rc $op $rvalue\t[Pass]");
                        push(@record, "CHECK:rc $op $rvalue\t[Pass]");
                    }
                } elsif ($check =~ /output\s*([=!~]+)\s*(\S.*)/){
                    $lvalue = join ("\n",@output);
                    $op = $1;
                    $rvalue = $2;
                    $rvalue = getfunc($rvalue);
                    if((($op eq '=~' )&&($lvalue !~ /$rvalue/))
                        ||(($op eq '!~')&&($lvalue =~ /$rvalue/))
                        ||(($op eq '==')&&($lvalue ne $rvalue))
                        ||(($op eq '!=')&&($lvalue eq $rvalue))){
                        $failed = 1;
                    }
                    if($failed){
                        log_this("CHECK:output $op $rvalue\t[Failed]");
                        push(@record, "CHECK:output $op $rvalue\t[Failed]");
                        last;
                    } else {
                        log_this("CHECK:output $op $rvalue\t[Pass]");
                        push(@record, "CHECK:output $op $rvalue\t[Pass]");
                    }
                }
            }
            $j = $j + 1;
        }
        log_this("------END:$$case{name}------");
        push (@record,"------END:$$case{name}------");
        if($failed){
            $failnum = $failnum + 1;
            log_error(@record);
        }
    }
    log_this("\n\n");
    log_this("------Total: $total , Failed: $failnum------");
}
sub runcmd
{
    my ($cmd) = @_;
    my $rc = 0;
    $::RUNCMD_RC = 0;
    my $outref = [];
    @$outref = `$cmd 2>&1`;
    if ($?)
    {
        $rc = $? ;
        $::RUNCMD_RC = $rc;
    }
    chomp(@$outref);
    return @$outref;

}

sub usage
{
    print "Usage:xcattest - Run xcat test cases.\n";
    print "  xcattest [-?|-h]\n";
    print "  xcattest [-f configure file] [-b case bundle list] [--restore]\n";
    print "  xcattest [-f configure file] [-t case list] [--restore]\n";
    print "  xcattest [-f configure file] [-c cmd list] [-l] [--restore]\n";
    print "\n";
    return;
}