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144 lines
4.3 KiB
144 lines
4.3 KiB
///
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/// Copyright 2016 Oliver Giles
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///
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/// This file is part of Laminar
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///
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/// Laminar is free software: you can redistribute it and/or modify
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/// it under the terms of the GNU General Public License as published by
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/// the Free Software Foundation, either version 3 of the License, or
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/// (at your option) any later version.
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///
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/// Laminar is distributed in the hope that it will be useful,
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/// but WITHOUT ANY WARRANTY; without even the implied warranty of
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/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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/// GNU General Public License for more details.
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///
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/// You should have received a copy of the GNU General Public License
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/// along with Laminar. If not, see <http://www.gnu.org/licenses/>
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///
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#include "run.h"
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#include "node.h"
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#include "conf.h"
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#include "log.h"
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#include <iostream>
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#include <unistd.h>
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#include <signal.h>
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#include <boost/filesystem.hpp>
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namespace fs = boost::filesystem;
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std::string to_string(const RunState& rs) {
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switch(rs) {
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case RunState::PENDING: return "pending";
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case RunState::RUNNING: return "running";
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case RunState::ABORTED: return "aborted";
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case RunState::FAILED: return "failed";
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case RunState::SUCCESS: return "success";
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case RunState::UNKNOWN:
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default:
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return "unknown";
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}
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}
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Run::Run() {
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result = RunState::SUCCESS;
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lastResult = RunState::UNKNOWN;
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}
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Run::~Run() {
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LLOG(INFO, "Run destroyed");
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}
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std::string Run::reason() const {
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if(!parentName.empty()) {
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return std::string("Triggered by upstream ") + parentName + " #" + std::to_string(parentBuild);
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}
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return reasonMsg;
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}
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bool Run::step() {
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if(!currentScript.path.empty() && procStatus != 0)
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result = RunState::FAILED;
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if(scripts.size()) {
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currentScript = scripts.front();
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scripts.pop();
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int pfd[2];
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pipe(pfd);
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pid_t pid = fork();
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if(pid == 0) { // child
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// reset signal mask (SIGCHLD blocked in Laminar::start)
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sigset_t mask;
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sigemptyset(&mask);
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sigaddset(&mask, SIGCHLD);
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sigprocmask(SIG_UNBLOCK, &mask, NULL);
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close(pfd[0]);
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dup2(pfd[1], 1);
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dup2(pfd[1], 2);
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close(pfd[1]);
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std::string buildNum = std::to_string(build);
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std::string PATH = (fs::path(laminarHome)/"cfg"/"scripts").string() + ":";
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if(const char* p = getenv("PATH")) {
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PATH.append(p);
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}
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chdir(currentScript.cwd.c_str());
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// conf file env vars
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for(std::string file : env) {
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StringMap vars = parseConfFile(file.c_str());
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for(auto& it : vars) {
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setenv(it.first.c_str(), it.second.c_str(), true);
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}
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}
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// parameterized vars
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for(auto& pair : params) {
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setenv(pair.first.c_str(), pair.second.c_str(), false);
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}
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setenv("PATH", PATH.c_str(), true);
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setenv("RUN", buildNum.c_str(), true);
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setenv("JOB", name.c_str(), true);
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if(!node->name.empty())
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setenv("NODE", node->name.c_str(), true);
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setenv("RESULT", to_string(result).c_str(), true);
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setenv("LAST_RESULT", to_string(lastResult).c_str(), true);
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setenv("WORKSPACE", (fs::path(laminarHome)/"run"/name/"workspace").string().c_str(), true);
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setenv("ARCHIVE", (fs::path(laminarHome)/"archive"/name/buildNum.c_str()).string().c_str(), true);
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fprintf(stderr, "[laminar] Executing %s\n", currentScript.path.c_str());
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execl(currentScript.path.c_str(), currentScript.path.c_str(), NULL);
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// cannot use LLOG because stdout/stderr are captured
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fprintf(stderr, "[laminar] Failed to execute %s\n", currentScript.path.c_str());
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_exit(1);
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}
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LLOG(INFO, "Forked", currentScript.path, currentScript.cwd, pid);
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close(pfd[1]);
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fd = pfd[0];
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this->pid = pid;
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return false;
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} else {
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return true;
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}
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}
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void Run::addScript(std::string scriptPath, std::string scriptWorkingDir) {
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scripts.push({scriptPath, scriptWorkingDir});
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}
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void Run::addEnv(std::string path) {
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env.push_back(path);
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}
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void Run::reaped(int status) {
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procStatus = status;
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}
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void Run::complete() {
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notifyCompletion(this);
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}
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