# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=3
inherit eutils autotools

DESCRIPTION="RANCID - Really Awesome New Cisco confIg Differ"
HOMEPAGE="http://www.shrubbery.net/rancid/"
SRC_URI="ftp://ftp.shrubbery.net/pub/rancid/${P}.tar.gz"

SLOT="0"
RESTRICT="mirror"
KEYWORDS="amd64 x86"
IUSE="svn cvs"

DEPEND="
	sys-apps/diffutils 
	dev-lang/perl
	dev-tcltk/expect
	dev-lang/tcl
	svn? ( dev-vcs/subversion )
	cvs? ( dev-vcs/cvs )
	|| (
		net-misc/netkit-telnetd 
		net-misc/telnet-bsd
	)
"

RANCID_DIR=/var/rancid

src_configure() {
	if use svn ; then
		econf  \
			--localstatedir=${RANCID_DIR} / \
			--enable-conf-install --with-svn=fsfs  || die "econf failed"
	else
		econf  \
			--localstatedir=${RANCID_DIR} \
			--enable-conf-install  || die "econf failed"
	fi
}

src_compile() {
	emake || die "emake failed"
}

src_install() {
	emake DESTDIR=${D} install || die "make install failed"
}

pkg_preinst() {
	ebegin "Creating rancid user and group"
	enewgroup ${PN}
	enewuser ${PN} -1 /bin/bash ${RANCID_DIR} ${PN} -c "Rancid"

	keepdir ${RANCID_DIR}
	keepdir ${RANCID_DIR}/logs

	mkdir	${D}/${RANCID_DIR}/example
	touch 	${D}/${RANCID_DIR}/example/routers.db
	touch 	${D}/${RANCID_DIR}/.cloginrc

	fperms  0770 ${RANCID_DIR}
	fperms	0770 ${RANCID_DIR}/logs
	fperms	0770 ${RANCID_DIR}/example
	fperms	0660 ${RANCID_DIR}/example/routers.db
	fperms	0660 ${RANCID_DIR}/.cloginrc

	fowners rancid:rancid ${RANCID_DIR}
	fowners rancid:rancid ${RANCID_DIR}/logs
	fowners rancid:rancid ${RANCID_DIR}/example
	fowners rancid:rancid ${RANCID_DIR}/example/routers.db
	fowners rancid:rancid ${RANCID_DIR}/.cloginrc
}

pkg_postinst() {
	if use svn ; then
		cd ${ROOT}
		patch -p0 -s < ${FILESDIR}/control_rancid.patch
		sed -ie 's/^RCSSYS=cvs/RCSSYS=svn/' ${ROOT}/etc/rancid.conf
	fi

	einfo "Micro-HOWTO on how to get running:"
	einfo ""
	einfo "1) Schedule regular backups with rancid-run:"
	einfo "Edit user rancid crontab crontab -u rancid -e and add the lines below"
	einfo "# rancid-run one time a day"
	einfo "0 0 * * * /usr/bin/rancid-run"
	einfo "50 23 * * * /usr/bin/find /var/rancid/logs -type f -mtime +2 -exec rm {} \;"
	einfo ""
	einfo "2: Modify LIST_OF_GROUPS in /etc/rancid.conf:"
	einfo "LIST_OF_GROUPS=\"routers switches\""
	einfo ""
	einfo "3: Modify /etc/mail/aliases and set up directories for rancid,"
	einfo "a quick oneliner for bash for the two grops above:"
	einfo "for n in routers switches; do"
	einfo "    mkdir /var/rancid/\$n; chown rancid:rancid /var/rancid/\$n;"
	einfo "    touch /var/rancid/\$n/routers.db"
	einfo "    echo -e \"rancid-\$n:        noc@acme.com" >> /etc/mail/aliases\"
	einfo "    echo -e \"rancid-admin-\$n:  noc@acme.com" >> /etc/mail/aliases\"
	einfo "done; newalises"
	einfo ""
	einfo "4) Run rancid-cvs to initialise directories and repositories"
	einfo ""
	einfo "5) Populate /var/rancid/*/routers.db with nodes (look in example dir)"
	einfo ""
	einfo "6) Populate /var/rancid/.cloginrc with credentials"
	einfo ""
	einfo "7) Test with: clogin 1.2.3.4"
	einfo ""
	einfo "FAQ: why does clogin hang? Your login banner has # or > in it, use = instead"
	einfo ""
}