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#!/bin/bash
## Should be executable N time in a row with same result.
## if I'm linked to a schedule-command, then add the scheduler dependency to source service
if read-0 ts _ _ < <(get_service_relation "$SERVICE_NAME" "schedule-command"); then
config-add "\
services:
$MASTER_BASE_SERVICE_NAME:
depends_on:
- \"$ts\"
"
fi
exit 0
. lib/common
set -e
LOGS=/var/log/apache2
## XXXvlab: hum it seems apache logging is run as root, so well...
# logs_creds=$(cached_cmd_on_base_image apache "stat -c '%u %g' '$LOGS'") || {
# debug "Failed to query for www-data gid in ${DARKYELLOW}apache${NORMAL} base image."
# return 1
# }
rotated_count=$(relation-get rotated-count 2>/dev/null) || true
rotated_count=${rotated_count:-52}
## XXXvlab: a lot of this intelligence should be moved away into
## ``logrotate`` charm
##
## Issues:
## - relation-joined will execute first log-rotate charm part of the
## relation, which is not what we want here, as we need to send
## default value for the creation of the config file on the server
## part.
## - we need to send the directory it seems, otherwise, docker will
## create directory when the log file is missing, and I'm not sure
## how processes will react when their file is moved out of their
## file-system scope when rotated (but I think there will be no
## issue here).
## The problem here is that we can't cleanly put all file in the
## same directory (and there are collision possible anyway).
## This means that if we want more than one target, we need
## sub-directories.
## - For this issue, we only fear the 'docker' run and mounting
## moment, and we are sure to run before, so we can make sure to
## ``touch`` the files.
## - can we move file that was been bound in a docker ? Well yes,
## but it won't change place in the docker:( ... I guess you need
## to reload the docker and the binding to work.
##
DST="$CONFIGSTORE/$TARGET_SERVICE_NAME/etc/logrotate.d/$SERVICE_NAME"
file_put "$DST" <<EOF
/var/log/docker/$SERVICE_NAME/*error.log
/var/log/docker/$SERVICE_NAME/*access.log
{
weekly
missingok
dateext
dateyesterday
dateformat _%Y-%m-%d
extension .log
rotate $rotated_count
compress
delaycompress
notifempty
create 640 root root
sharedscripts
postrotate
docker-send-signal \$${MASTER_BASE_CHARM_NAME^^}_NAME SIGUSR1;
endscript
}
EOF
config-add "\
$MASTER_TARGET_CHARM_NAME:
volumes:
- $DST:/etc/logrotate.d/docker-${SERVICE_NAME}:ro
- $SERVICE_DATASTORE$LOGS:/var/log/docker/$SERVICE_NAME:rw
$MASTER_BASE_CHARM_NAME:
volumes:
- $SERVICE_DATASTORE$LOGS:$LOGS:rw
"