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authorEric Thibodeau <kyron@neuralbs.com>2008-08-14 00:35:40 -0400
committerEric Thibodeau <kyron@neuralbs.com>2008-08-14 00:35:40 -0400
commit146090ddcf007074218db211bf1e177cea0f0646 (patch)
tree4dc24ab4d85a34bff25857e4d57ad996a13e8eb0 /overlay
parentCorrections and service restarts so that the name resolution is in a consista... (diff)
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Switch to a more recent snapshot (20080806)
Addition of DNS tools for debugging name resolution Correction and cleanup of some scripts Name resolution now works correctly/automatically. No static entries required, host name resolution is entirely managed by dnsmasq.
Diffstat (limited to 'overlay')
-rw-r--r--overlay/net-nds/ldap-auth/Manifest4
-rw-r--r--overlay/sys-cluster/beowulf-head/Manifest2
-rw-r--r--overlay/sys-cluster/beowulf-head/beowulf-head-0.1.ebuild49
3 files changed, 41 insertions, 14 deletions
diff --git a/overlay/net-nds/ldap-auth/Manifest b/overlay/net-nds/ldap-auth/Manifest
index cf71d8e..1d4e729 100644
--- a/overlay/net-nds/ldap-auth/Manifest
+++ b/overlay/net-nds/ldap-auth/Manifest
@@ -1,3 +1,3 @@
-AUX cluster_ldap_skel.conf 3842 RMD160 de4593c0dd3dddaf72d1c47f13353f03805abac6 SHA1 2a5684b4cd10fb24e20a484fbe13efc9169050c3 SHA256 31c275547ac260ec41a52f2b620a90625bf26cc2304090f0cf4aad6f5110f37f
-EBUILD ldap-auth-0.1.ebuild 13518 RMD160 714498bdca8368ae924b93fafc603cb63439ab30 SHA1 5e623dcbe98020a9af7ce3b4c2c45a9e9aec2c8a SHA256 52f9f8d7f27e1a80e87ba91c35e2136c60d1e5a576a22ed4b4e34001f475fc69
+AUX cluster_ldap_skel.conf 4069 RMD160 f383130b4b41aa901ba002572575898ad8328f75 SHA1 f2c8a0aa2d3d15458e09a8dfc801eca59cc6a505 SHA256 11fda02a86821caf073345ff22857e74f280a4a48dd8072cf352dae5a336881f
+EBUILD ldap-auth-0.1.ebuild 13598 RMD160 3b14c80e3ce44f49c77c80d9f02bfb27af5d61bd SHA1 4ccbeb998e35f1b5937d407e37f30ce8953c202e SHA256 5e1c16655d8b9c5ab99f64c86019a0255cc60396e8e14b75452f4d9b3739df6c
MISC ChangeLog 96 RMD160 33378f096bd5ea216ab1105e8293de02bf385f3c SHA1 71bc3c85f819f3ac9f7a403bb7eb56a7f75bc0e3 SHA256 71b814def53b860a9afb5aee0eb35f95f6aa5302ebdb89455e2ca0ec3f7774a6
diff --git a/overlay/sys-cluster/beowulf-head/Manifest b/overlay/sys-cluster/beowulf-head/Manifest
index 624b088..618925d 100644
--- a/overlay/sys-cluster/beowulf-head/Manifest
+++ b/overlay/sys-cluster/beowulf-head/Manifest
@@ -1,3 +1,3 @@
AUX cluster.conf 2393 RMD160 2ccb24e8f2cb83d8a002fc239d0be6bb7968ed4d SHA1 ad4cc8ff8b8f2f4270755f387228efb0cc63c048 SHA256 660478b6763cc3c6190541bb46d5d17a01a5e366ac8ce84551d1ae31f2eb1673
-EBUILD beowulf-head-0.1.ebuild 5162 RMD160 c3ef0816cb2165489727773529fe2dc4f4e86b70 SHA1 c796f1d21f6eb0178f6fe6bfd9c8cb69b74028ac SHA256 c9bf21baeaddd5efbe766bf21d752c4196c69dea33f1c569873c9f856a7ac5ae
+EBUILD beowulf-head-0.1.ebuild 6118 RMD160 603098747d9f6364ebbf366db57aff0bc2ab2f02 SHA1 a7e7bfad77e95ab6a872ee34a4412c4e57255fb3 SHA256 7220faed9f98222b04e6aa182d2bb9a6539db5ea59756980c2b7ed3be0960cf4
MISC ChangeLog 101 RMD160 d735719ccc09237e68e4e984eb5451000b06c382 SHA1 79098d1e8ae451f0430d363da6b717966ade6e78 SHA256 8dd010e2772026c4a6b86839842931b99c85c44a5e9f380864cc275b55587ac2
diff --git a/overlay/sys-cluster/beowulf-head/beowulf-head-0.1.ebuild b/overlay/sys-cluster/beowulf-head/beowulf-head-0.1.ebuild
index ba15430..bdc1252 100644
--- a/overlay/sys-cluster/beowulf-head/beowulf-head-0.1.ebuild
+++ b/overlay/sys-cluster/beowulf-head/beowulf-head-0.1.ebuild
@@ -17,7 +17,8 @@ RDEPEND="net-nds/ldap-auth
net-dns/dnsmasq
net-misc/sipcalc
net-fs/nfs-utils
- sys-cluster/c3"
+ sys-cluster/c3
+ net-dns/openresolv"
CONFPATH="/etc/gentoo"
CONFIG_FILE="cluster.conf"
@@ -29,9 +30,11 @@ get_ip_config()
CLUSTER_ETH_IP="$(sipcalc ${CLUSTER_ETH} | egrep 'Host address\W*-' | cut -d- -f2)"
RANGE_START="$(sipcalc ${CLUSTER_ETH} | egrep 'Host address\W*-' | cut -d- -f2)"
IPSTART="${RANGE_START%.*}.$(( ${RANGE_START##*.} +1 ))"
- IPSTOP="$(sipcalc ${CLUSTER_ETH} | egrep 'Usable range\W*-' | cut -d- -f3)"
- SUBNET="$(sipcalc ${CLUSTER_ETH} | egrep 'Network mask\W*-' | cut -d- -f2)"
- NETADDR="$(sipcalc ${CLUSTER_ETH} | egrep 'Network address' | cut -d- -f2)"
+ IPSTOP="$( sipcalc ${CLUSTER_ETH} | egrep 'Usable range\W*-' | cut -d- -f3)"
+ SUBNET="$( sipcalc ${CLUSTER_ETH} | egrep 'Network mask\W*-' | cut -d- -f2)"
+ NETADDR="$( sipcalc ${CLUSTER_ETH} | egrep 'Network address' | cut -d- -f2)"
+ NODECOUNT="$(sipcalc ${CLUSTER_ETH} | egrep 'Addresses in network'| cut -d- -f2)"
+
# We have to clean up the vars from spaces:
CLUSTER_ETH_IP=${CLUSTER_ETH_IP// }
RANGE_START=${RANGE_START// }
@@ -44,27 +47,36 @@ get_ip_config()
dnsmasq_conf()
{
cat > ${ROOT}/etc/dnsmasq.conf <<-EOF
-
+ # For the sake of non-duplication of documentation, please view the dnsmasq manpage for a description of these options.
# Public interface
except-interface=$PUBETH
+
+ # We are the authoritative DHCP server for this network
+ dhcp-authoritative
# Set up the local-only domain
- local=/${LOCALDOMAINNAME}/
+ local=/${LOCALDOMAINNAME}/127.0.0.1
domain=$LOCALDOMAINNAME
expand-hosts
+ # We need the following to retain dhcp served resolution info:
+ resolv-file=/etc/dnsmasq-resolv.conf
+
# Some netiquette:
domain-needed
bogus-priv
+ enable-tftp
+ tftp-root=${TFTPROOT}
+
# Send RFC-3397 DNS domain search DHCP option. WARNING: Your DHCP client
# probably doesn't support this...... (option 119)
dhcp-option=119,$LOCALDOMAINNAME
# Domain DNS name
dhcp-option=15,$LOCALDOMAINNAME
- enable-tftp
- tftp-root=${TFTPROOT}
+ # set the master node as the NTP server
+ dhcp-option=option:ntp-server,0.0.0.0
### Node definitions, this could be in a separate file
# Turn on the DHCP server, pass out addresses from $IPSTART to $IPSTOP
@@ -78,12 +90,12 @@ dnsmasq_conf()
# This tells the clients the hostname and IP of the TFTP server
dhcp-boot=${PXELINUX},$(hostname),$CLUSTER_ETH_IP
- # We are the authoritative DHCP server for this network
- dhcp-authoritative
-
# address and root path of NFS server
dhcp-option=17,$CLUSTER_ETH_IP:${NFSROOT}
+ # The default is 150, which is quite low if one wants a cluster with more than 150 nodes.
+ dhcp-lease-max=$NODECOUNT
+
EOF
}
@@ -156,6 +168,14 @@ nfs_root_conf()
}
+resolv_conf()
+{
+ cat >> /etc/resolvconf/resolv.conf.d/base <<-EOF
+ search $LOCALDOMAINNAME
+ nameserver 127.0.0.1
+ EOF
+}
+
parse_config()
{
[[ -f ${1} ]] || die "${1} missing!!! re-emerge ${PF}"
@@ -186,6 +206,7 @@ pkg_config()
parse_config "${CONFPATH}/${CONFIG_FILE}"
get_ip_config
dnsmasq_conf
+ resolv_conf
pxe_conf
nfs_root_conf
@@ -194,5 +215,11 @@ pkg_config()
rc-update add $I default
/etc/init.d/$I start
done
+
+ elog "Since we just changed a resolvconf file, "
+ elog "it is required that your main NIC interface be restarted"
+ elog "or at least a renewal of dhcp be triggered."
+ elog 'ie: with dhcpcd one calls `dhcpcd -n eth0`'
+ elog "You will then want to restart dnsmasq."
}