#!/usr/bin/env bash
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IPK_BUILD=${BUILD_DIR}/ipk-build
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# Pull the files for the snmpd service out of the target to create a install archive
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# and setup a basic configuration so that the startup script works.
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mkdir -p ${IPK_BUILD}/CONTROL \
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${IPK_BUILD}/etc/init.d/ \
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${IPK_BUILD}/usr/sbin \
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${IPK_BUILD}/etc/snmp \
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${IPK_BUILD}/etc/default
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mv -f ${TARGET_DIR}/etc/init.d/S59snmpd ${IPK_BUILD}/etc/init.d/
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mv -f ${TARGET_DIR}/usr/sbin/snmpd ${IPK_BUILD}/usr/sbin/
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echo "agentuser nobody" > ${IPK_BUILD}/etc/snmp/snmpd.conf
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echo "SNMPDRUN=yes" > ${IPK_BUILD}/etc/default/snmpd
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# build the control file
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cat <<EOM >${IPK_BUILD}/CONTROL/control
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Package: example-snmpd-package
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Version: 1.0
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Architecture: arm
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Maintainer: user@domain.tld
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Section: extras
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Priority: optional
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Source: http://example.com
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Description: This is an example IPK package for installing snmpd
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EOM
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# preinst script is not created to run before the install for this test example
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# postinst script is ran after install completes to start the services
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cat <<EOM >${IPK_BUILD}/CONTROL/postinst
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#!/bin/sh
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/etc/init.d/S59snmpd start
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EOM
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chmod +x ${IPK_BUILD}/CONTROL/postinst
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# prerm script is ran before removal so that the services isn't in use
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cat <<EOM >${IPK_BUILD}/CONTROL/prerm
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#!/bin/sh
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/etc/init.d/S59snmpd stop
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EOM
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chmod +x ${IPK_BUILD}/CONTROL/prerm
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# build the archive from template and pkg files
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${HOST_DIR}/bin/opkg-build -Z gzip ${IPK_BUILD} ${TARGET_DIR}/root/
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rm -fr ${IPK_BUILD}
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