int DockerAPI::inspect( const std::string & containerID, ClassAd * dockerAd, CondorError & /* err */ ) {
if( dockerAd == NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "dockerAd is NULL.\n" );
return -2;
}
ArgList inspectArgs;
if ( ! add_docker_arg(inspectArgs))
return -1;
inspectArgs.AppendArg( "inspect" );
inspectArgs.AppendArg( "--format" );
StringList formatElements( "ContainerId=\"{{.Id}}\" "
"Pid={{.State.Pid}} "
"Name=\"{{.Name}}\" "
"Running={{.State.Running}} "
"ExitCode={{.State.ExitCode}} "
"StartedAt=\"{{.State.StartedAt}}\" "
"FinishedAt=\"{{.State.FinishedAt}}\" "
"DockerError=\"{{.State.Error}}\" "
"OOMKilled=\"{{.State.OOMKilled}}\" " );
char * formatArg = formatElements.print_to_delimed_string( "\n" );
inspectArgs.AppendArg( formatArg );
free( formatArg );
inspectArgs.AppendArg( containerID );
MyString displayString;
inspectArgs.GetArgsStringForLogging( & displayString );
dprintf( D_FULLDEBUG, "Attempting to run: %s\n", displayString.c_str() );
#if 1
MyPopenTimer pgm;
if (pgm.start_program(inspectArgs, true, NULL, false) < 0) {
dprintf( D_ALWAYS | D_FAILURE, "Failed to run '%s'.\n", displayString.c_str() );
return -6;
}
MyStringSource * src = NULL;
if (pgm.wait_and_close(default_timeout)) {
src = &pgm.output();
}
int expected_rows = formatElements.number();
dprintf( D_FULLDEBUG, "exit_status=%d, error=%d, %d bytes. expecting %d lines\n",
pgm.exit_status(), pgm.error_code(), pgm.output_size(), expected_rows );
// If the output isn't exactly formatElements.number() lines long,
// something has gone wrong and we'll at least be able to print out
// the error message(s).
std::vector<std::string> correctOutput(expected_rows);
if (src) {
MyString line;
int i=0;
while (line.readLine(*src,false)) {
line.chomp();
//dprintf( D_FULLDEBUG, "\t[%2d] %s\n", i, line.c_str() );
if (i >= expected_rows) {
if (line.empty()) continue;
correctOutput.push_back(line.c_str());
} else {
correctOutput[i] = line.c_str();
}
std::string::iterator first =
std::find(correctOutput[i].begin(),
correctOutput[i].end(),
'\"');
if (first != correctOutput[i].end()) {
std::replace(++first,
--correctOutput[i].end(), '\"','\'');
}
//dprintf( D_FULLDEBUG, "\tfix: %s\n", correctOutput[i].c_str() );
++i;
}
}
#else
FILE * dockerResults = my_popen( inspectArgs, "r", 1 , 0, false);
if( dockerResults == NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "Unable to run '%s'.\n", displayString.c_str() );
return -6;
}
// If the output isn't exactly formatElements.number() lines long,
// something has gone wrong and we'll at least be able to print out
// the error message(s).
char buffer[1024];
std::vector<std::string> correctOutput(formatElements.number());
for( int i = 0; i < formatElements.number(); ++i ) {
if( fgets( buffer, 1024, dockerResults ) != NULL ) {
correctOutput[i] = buffer;
std::string::iterator first =
std::find(correctOutput[i].begin(),
correctOutput[i].end(),
'\"');
if (first != correctOutput[i].end()) {
std::replace(++first,
-- --correctOutput[i].end(), '\"','\'');
}
}
}
my_pclose( dockerResults );
#endif
int attrCount = 0;
for( int i = 0; i < formatElements.number(); ++i ) {
if( correctOutput[i].empty() || dockerAd->Insert( correctOutput[i].c_str() ) == FALSE ) {
break;
}
++attrCount;
}
if( attrCount != formatElements.number() ) {
dprintf( D_ALWAYS | D_FAILURE, "Failed to create classad from Docker output (%d). Printing up to the first %d (nonblank) lines.\n", attrCount, formatElements.number() );
for( int i = 0; i < formatElements.number() && ! correctOutput[i].empty(); ++i ) {
dprintf( D_ALWAYS | D_FAILURE, "%s", correctOutput[i].c_str() );
}
return -4;
}
dprintf( D_FULLDEBUG, "docker inspect printed:\n" );
for( int i = 0; i < formatElements.number() && ! correctOutput[i].empty(); ++i ) {
dprintf( D_FULLDEBUG, "\t%s\n", correctOutput[i].c_str() );
}
return 0;
}
int DockerAPI::inspect( const std::string & containerID, ClassAd * dockerAd, CondorError & /* err */ ) {
if( dockerAd == NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "dockerAd is NULL.\n" );
return -2;
}
ArgList inspectArgs;
if ( ! add_docker_arg(inspectArgs))
return -1;
inspectArgs.AppendArg( "inspect" );
inspectArgs.AppendArg( "--format" );
StringList formatElements( "ContainerId=\"{{.Id}}\" "
"Pid={{.State.Pid}} "
"Name=\"{{.Name}}\" "
"Running={{.State.Running}} "
"ExitCode={{.State.ExitCode}} "
"StartedAt=\"{{.State.StartedAt}}\" "
"FinishedAt=\"{{.State.FinishedAt}}\" "
"DockerError=\"{{.State.Error}}\" "
"OOMKilled=\"{{.State.OOMKilled}}\" " );
char * formatArg = formatElements.print_to_delimed_string( "\n" );
inspectArgs.AppendArg( formatArg );
free( formatArg );
inspectArgs.AppendArg( containerID );
MyString displayString;
inspectArgs.GetArgsStringForLogging( & displayString );
dprintf( D_FULLDEBUG, "Attempting to run: %s\n", displayString.c_str() );
FILE * dockerResults = my_popen( inspectArgs, "r", 1 , 0, false);
if( dockerResults == NULL ) {
dprintf( D_ALWAYS | D_FAILURE, "Unable to run '%s'.\n", displayString.c_str() );
return -6;
}
// If the output isn't exactly formatElements.number() lines long,
// something has gone wrong and we'll at least be able to print out
// the error message(s).
char buffer[1024];
std::vector<std::string> correctOutput(formatElements.number());
for( int i = 0; i < formatElements.number(); ++i ) {
if( fgets( buffer, 1024, dockerResults ) != NULL ) {
correctOutput[i] = buffer;
std::string::iterator first =
std::find(correctOutput[i].begin(),
correctOutput[i].end(),
'\"');
if (first != correctOutput[i].end()) {
std::replace(++first,
-- --correctOutput[i].end(), '\"','\'');
}
}
}
my_pclose( dockerResults );
int attrCount = 0;
for( int i = 0; i < formatElements.number(); ++i ) {
if( correctOutput[i].empty() || dockerAd->Insert( correctOutput[i].c_str() ) == FALSE ) {
break;
}
++attrCount;
}
if( attrCount != formatElements.number() ) {
dprintf( D_ALWAYS | D_FAILURE, "Failed to create classad from Docker output (%d). Printing up to the first %d (nonblank) lines.\n", attrCount, formatElements.number() );
for( int i = 0; i < formatElements.number() && ! correctOutput[i].empty(); ++i ) {
dprintf( D_ALWAYS | D_FAILURE, "%s", correctOutput[i].c_str() );
}
return -4;
}
dprintf( D_FULLDEBUG, "docker inspect printed:\n" );
for( int i = 0; i < formatElements.number() && ! correctOutput[i].empty(); ++i ) {
dprintf( D_FULLDEBUG, "\t%s", correctOutput[i].c_str() );
}
return 0;
}
