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170ef0733a
This should work even if the ifcfg plugin is not present (hi, CoreOS) or 'predictable' (har) network names are on. Signed-off-by: Adam Williamson <awilliam@redhat.com>
75 lines
2.3 KiB
Perl
75 lines
2.3 KiB
Perl
package tapnet;
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use strict;
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use base 'Exporter';
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use Exporter;
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use testapi;
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our @EXPORT = qw/clone_host_file setup_tap_static get_host_dns/;
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sub clone_host_file {
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# copy a given file from the host into the guest. Mainly used
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# for networking config on tap tests. this is pretty crazy, but
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# SUSE do almost the same thing...
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my $file = shift;
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my $text = '';
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open(my $fh, '<', $file);
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while (<$fh>) {
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$text .= $_;
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}
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# escape any " characters in the text...
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$text =~ s/"/\\"/g;
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assert_script_run "printf \"$text\" > $file";
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# for debugging...
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assert_script_run "cat $file";
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}
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sub setup_tap_static {
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# this is a common thing for tap tests, where we set up networking
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# for the system with a static IP address and possibly a specific
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# hostname
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my $ip = shift;
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my $hostname = shift || "";
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if ($hostname) {
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# assigning output of split to a single-item array gives us just
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# the first split
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my ($short) = split(/\./, $hostname);
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# set hostname
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assert_script_run "hostnamectl set-hostname $hostname";
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# add entry to /etc/hosts
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assert_script_run "echo '$ip $hostname $short' >> /etc/hosts";
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}
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# use host's name servers (this is usually going to be correct,
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# tests which don't want this can overwrite resolv.conf)
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my @dns = get_host_dns();
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my $dnstext = 'ipv4.dns "' . join(", ", @dns) . '"';
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# bring up network
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# this gets us the name of the first connection in the list,
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# which should be what we want
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my $connection = script_output "nmcli --fields NAME con show | head -2 | tail -1";
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assert_script_run "nmcli con mod '$connection' ipv4.method manual ipv4.addr $ip/24 ipv4.gateway 172.16.2.2 $dnstext";
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assert_script_run "nmcli con down '$connection'";
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assert_script_run "nmcli con up '$connection'";
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# for debugging
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assert_script_run "nmcli -t con show '$connection'";
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# the above doesn't seem to reliably set up resolv.conf, so...
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clone_host_file "/etc/resolv.conf";
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}
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sub get_host_dns {
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# get DNS server addresses from the host
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my @forwards;
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open(FH, '<', "/etc/resolv.conf");
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while (<FH>) {
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if ($_ =~ m/^nameserver +(.+)/) {
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push @forwards, $1;
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}
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}
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return @forwards;
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}
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1;
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# vim: set sw=4 et:
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