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From: Robert Fairley <rfairley@redhat.com>
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Date: Wed, 17 Jun 2020 10:14:19 -0400
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Subject: [PATCH] examples/nm-dispatcher.dhcp: use sysconfig
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Use the PEERNTP and NTPSERVERARGS environment variables from
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/etc/sysconfig/network{-scripts}.
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Co-Authored-By: Christian Glombek <cglombek@redhat.com>
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diff --git a/examples/chrony.nm-dispatcher.dhcp b/examples/chrony.nm-dispatcher.dhcp
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index 6ea4c37..a6ad35a 100644
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--- a/examples/chrony.nm-dispatcher.dhcp
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+++ b/examples/chrony.nm-dispatcher.dhcp
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@@ -8,15 +8,23 @@ export LC_ALL=C
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interface=$1
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action=$2
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+[ -f /etc/sysconfig/network ] && . /etc/sysconfig/network
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+[ -f /etc/sysconfig/network-scripts/ifcfg-"${interface}" ] && \
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+ . /etc/sysconfig/network-scripts/ifcfg-"${interface}"
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+
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chronyc=/usr/bin/chronyc
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-server_options=iburst
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-server_dir=/var/run/chrony-dhcp
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+server_options=${NTPSERVERARGS:-iburst}
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+server_dir=/run/chrony-dhcp
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dhcp_server_file=$server_dir/$interface.sources
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dhcp_ntp_servers="$DHCP4_NTP_SERVERS $DHCP6_DHCP6_NTP_SERVERS"
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add_servers_from_dhcp() {
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rm -f "$dhcp_server_file"
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+
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+ # Don't add NTP servers if PEERNTP=no specified; return early.
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+ [ "$PEERNTP" = "no" ] && return
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+
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for server in $dhcp_ntp_servers; do
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# Check for invalid characters (from the DHCPv6 NTP FQDN suboption)
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len1=$(printf '%s' "$server" | wc -c)
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