SILO-GROUP/rex
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implemented execution context. needs thoroughly tested.

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This commit is contained in:
Phanes
2017-12-07 22:37:42 -05:00
parent 9d89f5ad6a
commit 46e56b8d6f
10 changed files with 196 additions and 36 deletions
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52
examplar.cpp
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@@ -23,8 +23,8 @@
#include "src/loaders/loaders.h"
#include <unistd.h>
#include <getopt.h>
#include <syslog.h>
#include "src/loaders/helpers.h"
/*
* TODO Commandline switches
@@ -32,34 +32,45 @@
void print_usage()
{
printf("examplar [ -h | --help ] [ -v | --verbose ] [ -c | --config CONFIG_PATH ]\n\n");
printf("examplar [ -h | --help ] [ -v | --verbose ] [ -e | --execution-context EXECUTION_CONTEXT ][ -c | --config CONFIG_PATH ]\n\n");
}
int main( int argc, char * argv[] )
{
int flags, opt;
bool verbose = false;
bool show_help = false;
// indicator of whether examplar should use a commandline argument for overriding the context
// instead of what's supplied in the conf file
bool cli_context_supplied = false;
std::string config_path = "/etc/Examplar/config.json";
std::string execution_context;
// commandline switches:
// -h help
// -v verbose
// -c CONFIG_FILE_PATH -- defaults to '/etc/Examplar/config.json'
// -e EXECUTION_CONTEXT -- current working directory when executing unit targets
while (1)
{
static struct option long_options[] =
{
{"verbose", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"config", required_argument, 0, 'c'},
{"verbose", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"config", required_argument, 0, 'c'},
{"execution-context", required_argument, 0, 'e'},
{0, 0}
};
int option_index = 0;
opt = getopt_long (argc, argv, "vhc:",
long_options, &option_index);
opt = getopt_long (argc, argv, "vhec:", long_options, &option_index);
if (opt == -1)
break;
@@ -80,6 +91,10 @@ int main( int argc, char * argv[] )
case '?':
print_usage();
exit(1);
case 'e':
cli_context_supplied = true;
execution_context = std::string(optarg);
break;
default:
break;
}
@@ -99,14 +114,33 @@ int main( int argc, char * argv[] )
// A Plan declares what units are executed and a Suite declares the definitions of those units.
Conf configuration = Conf(config_path, verbose );
// load the configuration file which contains filepaths to definitions of a plan and definitions of units.
// if the user set this option as a commandline argument
if ( cli_context_supplied == true )
{
// override the conf file's specified execution context
configuration.set_execution_context( execution_context );
}
// check if context override
if ( configuration.has_context_override() )
{
// if so, set the CWD.
chdir( configuration.get_execution_context().c_str() );
std::ostringstream infostring;
infostring << "Execution context: " << get_working_path() << std::endl;
syslog(LOG_INFO, infostring.str().c_str() );
std::cout << infostring.str();
}
// load the filepaths to definitions of a plan and definitions of units.
std::string definitions_file = configuration.get_units_path();
std::string plan_file = configuration.get_plan_path();
Suite available_definitions;
available_definitions.load_units_file( definitions_file, verbose );
Plan plan;
Plan plan( &configuration );
plan.load_plan_file( plan_file, verbose );
plan.load_definitions( available_definitions, verbose );