logging

mail.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# Mail via GMX-Relay versenden (Docker-Image "hb42/smtp")
+#
+# Klappt nur direkt im Container, daher ggf. via ssh aufrufen (Annahme: remote user == local user)
+#
+# $1 = recipient
+# $2 = Mail-Betreff (ggf. in "")
+# $3 || STDIN = Mail-Body
+#
+# Verwendung:
+# > echo "sinnloser Text - äöüÄÖÜß -"| mail.sh hb242@pm.me "noch'n test"
+# > mail.sh hb242@pm.me "log whatever" ../log/some.log
+#
+
+DOCKER=/usr/bin/docker
+MAILCONTAINER=smtp
+MAILSERVER_IP=10.4.2.30
+SSH=""
+
+which ip >/dev/null 2>&1
+if [ $? -eq 0 ]; then
+    # Linux
+    myip=$(ip -o route get to 8.8.8.8 | sed -n 's/.*src \([0-9.]\+\).*/\1/p')
+else
+    # macOS
+    myip=$(ipconfig getifaddr en0) # FIXME: nicht sauber wg. explizitem IF!
+fi
+
+if [ "$myip" != "$MAILSERVER_IP" ]; then
+    SSH="ssh $MAILSERVER_IP "
+fi
+
+TO=$1
+SUBJECT=$2
+shift 2
+if [ -z "$TO" ] || [ -z "$SUBJECT" ]; then
+    echo "ERROR: missing parameter "
+    echo
+    echo "Usage: $0 recipient subject [file || STDIN]"
+    echo
+    exit
+fi
+
+# Mail body aus Datei oder STDIN holen
+CONTENT=$(cat ${1:--})
+
+# construct mail header + content and pipe to sendmail
+cat <<EOMB | $SSH $DOCKER exec -i $MAILCONTAINER /usr/sbin/sendmail -i -t
+FROM: hb42@gmx.de
+TO: ${TO}
+DATE: $(date -R)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf-8
+SUBJECT: $SUBJECT
+
+$CONTENT
+EOMB