Print necessary stackstace information when crashed

containers/mgmt_frontend/mgmt_frontend_entry.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+ARGS=$@
+
+cmd() {
+    /clipper/release/src/management/management_frontend ${ARGS}
+}
+
+ulimit -c unlimited
+
+cmd & pid=$!
+
+wait ${pid}
+
+RESULT=$?
+
+exit ${RESULT}

containers/query_frontend/query_frontend_entry.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+ARGS=$@
+
+cmd() {
+    /clipper/release/src/frontends/query_frontend ${ARGS}
+}
+
+ulimit -c unlimited
+
+cmd & pid=$!
+
+wait ${pid}
+
+RESULT=$?
+
+exit ${RESULT}

dockerfiles/ManagementFrontendDockerfile

@@ -14,6 +14,10 @@ RUN cd /clipper/src/libs/spdlog \
     && cd release \
     && make -j4 management_frontend
 
-ENTRYPOINT ["/clipper/release/src/management/management_frontend"]
+COPY containers/mgmt_frontend/mgmt_frontend_entry.sh /clipper/
+
+WORKDIR /clipper/
+
+ENTRYPOINT ["/clipper/mgmt_frontend_entry.sh"]
 
 # vim: set filetype=dockerfile:

dockerfiles/QueryFrontendDockerfile

@@ -14,6 +14,10 @@ RUN cd /clipper/src/libs/spdlog \
     && cd release \
     && make -j4 query_frontend
 
-ENTRYPOINT ["/clipper/release/src/frontends/query_frontend"]
+COPY containers/query_frontend/query_frontend_entry.sh /clipper/
 
-# vim: set filetype=dockerfile:
+WORKDIR /clipper/
+
+ENTRYPOINT ["/clipper/query_frontend_entry.sh"]
+
+# vim: set filetype=dockerfile:

src/frontends/src/query_frontend_main.cpp

@@ -1,11 +1,30 @@
+
+#include <execinfo.h>
+#include <signal.h>
+
 #include <clipper/config.hpp>
 #include <clipper/constants.hpp>
 #include <clipper/query_processor.hpp>
 #include <cxxopts.hpp>
 
 #include "query_frontend.hpp"
 
+void handler(int sig) {
+  void *array[10];
+  size_t size;
+
+  // get void*'s for all entries on the stack
+  size = backtrace(array, 10);
+
+  // print out all the frames to stderr
+  fprintf(stderr, "Error: signal %d:\n", sig);
+  backtrace_symbols_fd(array, size, STDERR_FILENO);
+  exit(1);
+}
+
 int main(int argc, char* argv[]) {
+  signal(SIGSEGV, handler);
+
   cxxopts::Options options("query_frontend",
                            "Clipper query processing frontend");
   // clang-format off

src/management/src/management_frontend_main.cpp

@@ -1,12 +1,29 @@
 
+#include <execinfo.h>
+#include <signal.h>
 #include <cxxopts.hpp>
 
 #include <clipper/config.hpp>
 #include <clipper/constants.hpp>
 
 #include "management_frontend.hpp"
 
+void handler(int sig) {
+  void *array[10];
+  size_t size;
+
+  // get void*'s for all entries on the stack
+  size = backtrace(array, 10);
+
+  // print out all the frames to stderr
+  fprintf(stderr, "Error: signal %d:\n", sig);
+  backtrace_symbols_fd(array, size, STDERR_FILENO);
+  exit(1);
+}
+
 int main(int argc, char* argv[]) {
+  signal(SIGSEGV, handler);
+
   cxxopts::Options options("management_frontend",
                            "Clipper management interface");