refactor(package): sentinella: +logging

package/sentinèlla/default.nix

@@ -24,7 +24,11 @@ let
     inherit shell bashOptions;
     name = "router";
     runtimeInputs = [ base64 gawk ];
-    text = builtins.readFile ./router.sh;
+    text = ''
+      ${builtins.readFile ./log.sh}
+      ${builtins.readFile ./colors.sh}
+      ${builtins.readFile ./router.sh}
+    '';
   };
 
   sentinel = hectic.writeShellApplication {

package/sentinèlla/log.sh

@@ -17,5 +17,5 @@ log() {
     # shellcheck disable=SC1003
     fmt="$(printf "%s" "$1" | sed 's/\\033\[0m/''\'"$color"'/g')"
     shift
-    printf "%b\n" "$color$fmt$NC" "$@"
+    printf "%b\n" "$color$fmt$NC" "$@" >&2
 }

package/sentinèlla/router.sh

@@ -51,6 +51,7 @@ route_status() {
             tot=$((tot+1))
             res=$(curl -sS -m "$TIMEOUT" -o /dev/null -w '%{http_code} %{time_total}' "$u" 2>/dev/null) || res="000 0"
             code=${res%% *}; ttot=${res#* }
+	    log info "$u -> $code"
             case $code in 2*|3*) ok=true; okcnt=$((okcnt+1));; *) ok=false;; esac
             [ $first -eq 0 ] && printf ','; first=0
             printf '{"url":"%s","code":%s,"time_s":%s,"ok":%s}' "$u" "$code" "$ttot" "$ok"