prepare for dockerizing

Dockerfile

@@ -0,0 +1,34 @@
+FROM alpine:3.13 AS builder
+
+ARG VERSION
+
+COPY sink/ /tmp/sink
+
+RUN \
+  apk update && \
+  apk add alpine-sdk && \
+  apk add libconfig-dev && \
+  apk add postgresql-dev && \
+  cd /tmp/sink && \
+  make VERSION=${VERSION}
+
+
+FROM alpine:3.13
+
+COPY --from=builder /tmp/sink/build/sink20169 /usr/local/bin/
+
+RUN \
+  apk add --no-cache libpq && \
+  apk add --no-cache libconfig && \
+  mkdir /etc/sink
+
+EXPOSE 20169/udp
+
+VOLUME /etc/sink
+
+CMD [ "/usr/local/bin/sink20169", "-f", "/etc/sink/sink20169.cfg", "-n", "nobody", "-v" ]
+
+  
+
+
+

sink/Makefile

@@ -5,7 +5,7 @@ sha256.c \
 sink20169.c \
 logging.c
 
-VERSION := $(shell git rev-parse --short=8 HEAD)
+VERSION ?= $(shell git rev-parse --short=8 HEAD)
 UNAME_S := $(shell uname -s)
 
 CC = gcc

sink/logging.c

@@ -7,6 +7,8 @@
 #include <string.h>
 
 extern bool verbose;
+extern bool debug;
+
 int facility = LOG_LOCAL0;
 
 void setfacility(const char *facility_p) {
@@ -42,7 +44,7 @@ void logmsg(int prio, const char* format, ...) {
   vsnprintf(buf, sizeof(buf), format, vl);
   va_end(vl);
 
-  if (verbose) {
+  if (verbose && (debug || (prio != LOG_DEBUG))) {
     printf("%s\n", buf);
   }
 

sink/sink20169.c

@@ -53,7 +53,7 @@ typedef struct {
 } t_commonHandle;
 
 bool verbose = false;
-
+bool debug = false;
 
 
 int openDatabaseConnection(t_commonHandle *handle) {
@@ -347,6 +347,7 @@ void usage() {
     printf("\nUsage\n");
     printf("  -f FILENAME ...... Config file to be used\n");
     printf("  -v ............... Verbose, writes all logging on stdout too\n");
+    printf("  -d ............... Also log debug output\n");
     printf("  -s FACILITY ...... Sets syslog facility, only LOCAL[0..7]\n");
     printf("                     USER and DAEMON are supported\n");
     printf("  -n USER .......... If started as root drop privileges and become\n");
@@ -374,6 +375,9 @@ int main(int argc, char **argv) {
             case 'v':
                 verbose = true;
                 break;
+            case 'd':
+                debug = true;
+                break;
             case 's':
                 setfacility(optarg);
                 break;