48 lines
1.5 KiB
48 lines
1.5 KiB
#!/bin/bash
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## When writing relation script, remember:
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## - they should be idempotents
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## - they can be launched while the dockers is already up
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## - they are launched from the host
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## - the target of the link is launched first, and get a chance to ``relation-set``
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## - both side of the scripts get to use ``relation-get``.
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. lib/common
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set -e
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schedule=$(relation-get schedule)
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if ! echo "$schedule" | egrep '^\s*(([0-9/,*-]+\s+){4,4}[0-9/,*-]+|@[a-z]+)\s*$' >/dev/null 2>&1; then
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err "Unrecognized schedule '$schedule'."
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exit 1
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fi
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private_key=$(options-get private-key) || exit 1
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target=$(options-get target) || exit 1
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ident=$(options-get ident) || exit 1
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home=/var/lib/rsync
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local_path_key=$home/.ssh
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host_path_key="$SERVICE_CONFIGSTORE${local_path_key}"
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echo "$private_key" | file_put "$host_path_key/id_rsa"
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chmod 600 "$host_path_key/id_rsa"
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label="${SERVICE_NAME}"
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DST=$CONFIGSTORE/$TARGET_CHARM_NAME/etc/cron/$label
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## Warning: using '\' in heredoc will be removed in the final cron file, which
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## is totally wanted: cron does not support multilines.
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file_put "$DST" <<EOF
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$schedule root lock $label -v -D -p 10 -k -c "\
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docker run --rm \
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-e LABEL_HOSTNAME=\"$ident\" \
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-v \"$RSYNC_CONFIG_DIR:/etc/rsync\" \
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-v \"$host_path_key:$local_path_key\" \
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-v \"$HOST_DATASTORE:/mnt/source\" \
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--network ${PROJECT_NAME}_default \
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\"$DOCKER_BASE_IMAGE\" \
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/mnt/source \"$target\"" 2>&1 | ts '\%F \%T' >> /var/log/cron/${label}_script.log
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EOF
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chmod +x "$DST"
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