/**
* Validate RSL attributes
*
* Checks that all of the RSL attributes in the request's RSL match
* a validation record. If an RSL has an enumerated list of values,
* then the value of the RSL is compared against that list.
*
* @param request
* The job request containing the RSL to validate.
* @param when
* Which RSL validation time scope we will use to decide
* whether to use the default values or not.
*/
static
int
globus_l_gram_job_manager_check_rsl_attributes(
globus_gram_jobmanager_request_t * request,
globus_rsl_t * rsl,
globus_gram_job_manager_validation_when_t
when)
{
globus_list_t * operands;
globus_list_t * node;
globus_rsl_t * relation;
char * attribute;
char * value_str;
globus_rvf_record_t * record;
globus_rsl_value_t * value;
int rc = GLOBUS_SUCCESS;
static const char * operation_types[] =
{
"??",
"=",
"!=",
">",
">=",
"<",
"<=",
"??",
"&",
"|",
"+"
};
operands = globus_rsl_boolean_get_operand_list(rsl);
/* Check to make sure that every attribute is recognized by this
* job manager.
*/
while(!globus_list_empty(operands))
{
relation = globus_list_first(operands);
operands = globus_list_rest(operands);
if (!globus_rsl_is_relation(relation))
{
int operator = globus_rsl_boolean_get_operator(relation);
if (operator > 10 || operator < 0)
{
operator = 0;
}
globus_gram_job_manager_request_log(
request,
GLOBUS_GRAM_JOB_MANAGER_LOG_ERROR,
"event=gram.validate_rsl.end "
"level=ERROR "
"msg=\"Required RSL relation, got boolean\" "
"operator=%s "
"status=%d "
"\n",
operation_types[operator],
-GLOBUS_GRAM_PROTOCOL_ERROR_BAD_RSL);
if (request->gt3_failure_message == NULL)
{
request->gt3_failure_message = globus_common_create_string(
"Required RSL relation, got boolean %s",
operation_types[operator]);
}
}
else if (!globus_rsl_is_relation_eq(relation))
{
int operator = globus_rsl_relation_get_operator(relation);
if (operator > 10 || operator < 0)
{
operator = 0;
}
globus_gram_job_manager_request_log(
request,
GLOBUS_GRAM_JOB_MANAGER_LOG_ERROR,
"event=gram.validate_rsl.end "
"level=ERROR "
"msg=\"Unsupported RSL operation\" "
"attribute=%s "
"operator=%s "
"status=%d "
"\n",
globus_rsl_relation_get_attribute(relation),
operation_types[operator],
-GLOBUS_GRAM_PROTOCOL_ERROR_BAD_RSL);
if (request->gt3_failure_message == NULL)
{
request->gt3_failure_message = globus_common_create_string(
"the job manager does not support the RSL operator "
"\"%s\" for the %s attribute",
operation_types[operator],
globus_rsl_relation_get_attribute(relation));
}
return GLOBUS_GRAM_PROTOCOL_ERROR_BAD_RSL;
}
attribute = globus_rsl_relation_get_attribute(relation);
node = globus_list_search_pred(
request->manager->validation_records,
globus_l_gram_job_manager_attribute_match,
attribute);
if(!node)
{
globus_gram_job_manager_request_log(
request,
GLOBUS_GRAM_JOB_MANAGER_LOG_ERROR,
"event=gram.validate_rsl.end "
"level=ERROR "
"msg=\"Unsupported RSL attribute\" "
"attribute=%s "
"status=%d "
"\n",
globus_rsl_relation_get_attribute(relation),
-GLOBUS_GRAM_PROTOCOL_ERROR_BAD_RSL);
if (request->gt3_failure_message == NULL)
{
request->gt3_failure_message = globus_common_create_string(
"the RSL attribute \"%s\" is not supported by the LRM adapter",
globus_rsl_relation_get_attribute(relation));
}
return GLOBUS_GRAM_PROTOCOL_ERROR_PARAMETER_NOT_SUPPORTED;
}
record = globus_list_first(node);
/* Check valid_when */
if((record->valid_when & when) == 0)
{
const char * whenstr = "unknown operation";
switch(when)
{
case GLOBUS_GRAM_VALIDATE_JOB_SUBMIT:
whenstr = "submit";
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_SUBMIT_ATTRIBUTE;
break;
case GLOBUS_GRAM_VALIDATE_JOB_MANAGER_RESTART:
whenstr = "restart";
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_RESTART_ATTRIBUTE;
break;
case GLOBUS_GRAM_VALIDATE_STDIO_UPDATE:
whenstr = "stdio_update";
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_STDIO_UPDATE_ATTRIBUTE;
break;
}
globus_gram_job_manager_request_log(
request,
GLOBUS_GRAM_JOB_MANAGER_LOG_ERROR,
"event=gram.validate_rsl.end "
"level=ERROR "
"msg=\"Invalid RSL attribute for operation\" "
"attribute=%s "
"operation=%s "
"status=%d "
"\n",
globus_rsl_relation_get_attribute(relation),
whenstr,
-rc);
if (request->gt3_failure_message == NULL)
{
request->gt3_failure_message = globus_common_create_string(
"Invalid RSL attribute \"%s\" for %s",
globus_rsl_relation_get_attribute(relation),
whenstr);
}
return rc;
}
/* Check enumerated values if applicable */
if(record->enumerated_values)
{
value = globus_rsl_relation_get_single_value(relation);
if(!value)
{
return
globus_l_gram_job_manager_validation_rsl_error(attribute);
}
value_str = globus_rsl_value_literal_get_string(value);
if(!value_str)
{
return globus_l_gram_job_manager_validation_rsl_error(
attribute);
}
if(strstr(record->enumerated_values, value_str) == GLOBUS_NULL)
{
rc = globus_l_gram_job_manager_validation_value_error(
request,
attribute,
value_str,
record->enumerated_values);
globus_gram_job_manager_request_log(
request,
GLOBUS_GRAM_JOB_MANAGER_LOG_ERROR,
"event=gram.validate_rsl.end "
"level=ERROR "
"msg=\"RSL attribute value not in enumeration\" "
"attribute=%s "
"value=%s "
"enumeration=\"%s\" "
"status=%d "
"\n",
record->attribute,
value_str,
record->enumerated_values,
-rc);
return rc;
}
}
}
return GLOBUS_SUCCESS;
}
static bool
value_to_expr(globus_rsl_value_t * value, classad::ExprTree*& expr)
{
if (globus_rsl_value_is_literal(value))
{
char * literal = globus_rsl_value_literal_get_string(value);
if (!literal) { return false; }
classad::Value val;
try
{
val.SetIntegerValue(boost::lexical_cast<long long>(literal));
}
catch (const boost::bad_lexical_cast &)
{
try
{
val.SetRealValue(boost::lexical_cast<double>(literal));
}
catch (const boost::bad_lexical_cast &)
{
std::string lower = literal;
boost::algorithm::to_lower(lower);
if (lower == "true") { val.SetBooleanValue(true); }
else if (lower == "false") { val.SetBooleanValue(false); }
else { val.SetStringValue(literal); }
}
}
expr = classad::Literal::MakeLiteral(val);
if (!expr) { return false; }
return true;
}
else if (globus_rsl_value_is_sequence(value))
{
globus_list_t * value_list = globus_rsl_value_sequence_get_value_list(value);
if (!value_list) { return false; }
classad::ExprList expr_list;
while (!globus_list_empty(value_list))
{
globus_rsl_value_t *list_item = static_cast<globus_rsl_value_t*>(globus_list_first(value_list));
value_list = globus_list_rest(value_list);
if (!list_item) { continue; }
classad::ExprTree *expr_item = NULL;
if (!value_to_expr(list_item, expr_item) || !expr_item) { continue; }
expr_list.push_back(expr_item);
}
expr = expr_list.Copy();
return expr ? true : false;
}
else if (globus_rsl_value_is_concatenation(value))
{
globus_rsl_value_t *left_value = globus_rsl_value_concatenation_get_left(value);
globus_rsl_value_t *right_value = globus_rsl_value_concatenation_get_right(value);
if (!left_value || !right_value) { return false; }
classad::ExprTree *left_expr = NULL, *right_expr = NULL;
if (!value_to_expr(left_value, left_expr) || !left_expr || !value_to_expr(right_value, right_expr) || !right_expr) { return false; }
std::vector<classad::ExprTree*> argList; argList.push_back(left_expr); argList.push_back(right_expr);
expr = classad::FunctionCall::MakeFunctionCall("strcat", argList);
return expr ? true : false;
}
else if (globus_rsl_value_is_variable(value))
{
char * char_variable_name = globus_rsl_value_variable_get_name(value);
char * default_value = globus_rsl_value_variable_get_default(value);
if (!char_variable_name) { return false; }
// Canonical forms of Globus RSL strip out all underscores and makes the string
// lowercase. As ClassAds are case-preserving (and underscores are significant),
// we just do the former transform.
std::string variable_name(char_variable_name);
boost::algorithm::replace_all(variable_name, "_", "");
if (default_value)
{
// ifThenElse(isUndefined(variable_name), default_value, variable_name)
std::vector<classad::ExprTree*> ifArgList;
classad::ExprTree *attr1 = classad::AttributeReference::MakeAttributeReference(NULL, variable_name);
if (!attr1) { return false; }
std::vector<classad::ExprTree*> argList; argList.push_back(attr1);
classad::ExprTree *isUndefined = classad::FunctionCall::MakeFunctionCall("isUndefined", argList);
ifArgList.push_back(isUndefined);
classad::Value val; val.SetStringValue(default_value);
classad::ExprTree *lit = classad::Literal::MakeLiteral(val);
if (!lit) { return false; }
ifArgList.push_back(lit);
classad::ExprTree *attr2 = classad::AttributeReference::MakeAttributeReference(NULL, variable_name);
if (!attr2) { return false; }
ifArgList.push_back(attr2);
expr = classad::FunctionCall::MakeFunctionCall("ifThenElse", ifArgList);
}
else
{
expr = classad::AttributeReference::MakeAttributeReference(NULL, variable_name);
}
return expr ? true : false;
}
return false;
}
