document docker error

README.md

@@ -25,7 +25,7 @@ A great project, don't get me wrong. It was just missing certain key enterprise
 - `name`: Human readable name that will be used as teh job filename. Optional.
 - `comment`: Comments to be included with crontab entry. Optional.
 - `schedule`: Crontab schedule syntax as described in https://godoc.org/github.com/robfig/cron. Ex `@hourly`, `@every 1h30m`, `* * * * * *`. Required.
-- `command`: Command to be run on docker container/image. Required.
+- `command`: Command to be run on in crontab container or docker container/image. Required.
 - `image`: Docker images name (ex `library/alpine:3.5`). Optional.
 - `project`: Docker Compose/Swarm project name. Optional, only applies when `contain` is included.
 - `container`: Full container name or container alias if `project` is set. Ignored if `image` is included. Optional.
@@ -86,7 +86,7 @@ COPY logrotate.conf /etc/logrotate.conf
 CMD ["crond", "-f"]
 ```
 
-### Logging
+### Logging - In Dev
 All `stdout` is captured, formatted, and saved to `/var/log/crontab/jobs.log`. Set `LOG_FILE` to `/dev/null` to disable logging.
 
 example: `2017-06-18T01:27:10+0000 e6ced859-1563-493b-b1b1-5a190b29e938 [info] Start Cronjob **map-a-vol** map a volume`

docker-entrypoint

@@ -159,19 +159,20 @@ function build_crontab() {
 cat << EOF > ${HOME_DIR}/jobs/${SCRIPT_NAME}.sh
 #!/usr/bin/env bash
 set -e
-UUID=\$(cat /proc/sys/kernel/random/uuid)
-# TODO enable
-# [error] write /dev/stdout: broken pipe <- when getting echo from docker stdout
+
+# TODO find workaround
+# [error] write /dev/stdout: broken pipe <- when using docker commands
+#UUID=\$(cat /proc/sys/kernel/random/uuid)
 #exec > >(read message; echo "\$(date -Iseconds) \${UUID} [info] \$message" | tee -a ${LOG_FILE} )
 #exec 2> >(read message; echo "\$(date -Iseconds) \${UUID} [error] \$message" | tee -a ${LOG_FILE} >&2)
 
-
 echo "Start Cronjob **${SCRIPT_NAME}** ${COMMENT}"
 
 $(make_cmd "$(jq -c .[$i] ${CONFIG})")
-
-echo "End Cronjob **${SCRIPT_NAME}** ${COMMENT}"
 EOF
+
+
+
         if [ "$(jq -r .[$i].trigger ${CONFIG})" != "null" ]; then
             while read j ; do
                 if [ "$(jq .[$i].trigger[$j].command ${CONFIG})" == "null" ]; then
@@ -184,6 +185,8 @@ EOF
             done < <(jq -r '.['$i'].trigger|keys[]' ${CONFIG})
         fi
 
+        echo "echo \"End Cronjob **${SCRIPT_NAME}** ${COMMENT}\"" >> ${HOME_DIR}/jobs/${SCRIPT_NAME}.sh
+
         echo "${SCHEDULE} ${COMMAND}" >> ${CRONTAB_FILE}
 
         if [ "$(jq -r .[$i].onstart ${CONFIG})" == "true" ]; then

test

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+LOG_FILE=./jobs.log
+touch ${LOG_FILE}
+UUID="xxxxxxxxxxxxxxxxx"
+
+exec > >(read message; echo "$(date) ${UUID} [info] $message" | tee -a ${LOG_FILE} )
+exec 2> >(read message; echo "$(date) ${UUID} [error] $message" | tee -a ${LOG_FILE} >&2)
+
+echo "Start"
+
+docker run alpine sh -c 'while :; do echo "ping"; sleep 1; done'
+# [error] write /dev/stdout: broken pipe
+
+echo "End"