Christian Busch
852da10d2e
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45 lines
1.1 KiB
Bash
45 lines
1.1 KiB
Bash
#!/bin/sh
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set -e
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COMMAND="/usr/local/bin/nsupdate.sh"
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# Default schedule if not specified
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SCHEDULE="${SCHEDULE:-* * * * *}"
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# Default cron log level if not specified
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CRON_LOG_LEVEL="${CRON_LOG_LEVEL:-2}"
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# Default user name not specified
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USERNAME="${USERNAME:-nsupdate}"
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# Default UID and GID if not specified
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PUID=${PUID:-1000}
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PGID=${PGID:-1000}
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# Default timezone if not specified
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TZ=${TZ:-Etc/UTC}
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# Set the timezone
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ln -snf /usr/share/zoneinfo/$TZ /etc/localtime
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echo "$TZ" >/etc/timezone
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echo "Timezone set to $TZ"
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# Create nsupdate group
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addgroup -S --gid $PGID "$USERNAME"
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# Create nsupdate user
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adduser -S -u $PUID -G "$USERNAME" -D -H -s /bin/false "$USERNAME"
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CRON_FILE="/etc/crontabs/$USERNAME"
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mkdir -p /etc/crontabs
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printf '%s %s %s\n' "$SCHEDULE" "$USERNAME" "$COMMAND" > "$CRON_FILE"
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chmod 600 "$CRON_FILE"
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# Set correct permissions
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chown -R "$USERNAME":"$USERNAME" /config
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chown -R "$USERNAME":"$USERNAME" /log
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echo "Permissions adjusted"
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# Start nsupdate in the foreground with reduced warnings
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echo "Starting cron..."
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exec crond -l "${CRON_LOG_LEVEL}" -f |