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* Created (but not finished!) the new striker-update-cluster tool.

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* Updated Cluster->get_primary_host_uuid() to only load anvils if not already loaded.

Signed-off-by: digimer <mkelly@alteeve.ca>
main
digimer 1 year ago
parent 3215e178ef
commit d56b7f9a84
7 changed files with 590 additions and 10 deletions
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  1. 2
      Anvil/Tools.pm
  2. 9
      Anvil/Tools/Cluster.pm
  3. 3
      man/Makefile.am
  4. 0
      man/striker-update-cluster.8
  5. 3
      tools/Makefile.am
  6. 5
      tools/striker-collect-debug
  7. 578
      tools/striker-update-cluster

2
Anvil/Tools.pm
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@ -1261,6 +1261,7 @@ sub _set_paths
'shutdown' => "/usr/sbin/shutdown",
snmpget => "/usr/bin/snmpget",
snmpset => "/usr/bin/snmpset",
'sort' => "/usr/bin/sort",
'ssh-keygen' => "/usr/bin/ssh-keygen",
'ssh-keyscan' => "/usr/bin/ssh-keyscan",
'stat' => "/usr/bin/stat",
@ -1282,6 +1283,7 @@ sub _set_paths
swapon => "/usr/sbin/swapon",
sysctl => "/usr/sbin/sysctl",
systemctl => "/usr/bin/systemctl",
tail => "/usr/bin/tail",
tar => "/usr/bin/tar",
timeout => "/usr/bin/timeout",
touch => "/usr/bin/touch",

9
Anvil/Tools/Cluster.pm
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@ -2441,7 +2441,7 @@ sub get_peers
=head2 get_primary_host_uuid
This takes an Anvil! UUID and returns with node is currently the "primary" node. That is to say, which node has the most servers running on it, by allocated RAM. For example, if node 1 has two servers, each with 8 GiB of RAN and node 2 has one VM with 32 GiB of RAM, node 2 will be considered primary as it would take longest to migrate servers off.
This takes an Anvil! UUID and returns with the node's host UUID that is currently the "primary" node. That is to say, which node has the most servers running on it, by allocated RAM. For example, if node 1 has two servers, each with 8 GiB of RAN and node 2 has one VM with 32 GiB of RAM, node 2 will be considered primary as it would take longest to migrate servers off.
If all is equal, node 1 is considered primary. If only one node is a cluster member, it is considered primary. If neither node is up, an empty string is returned.
@ -2478,8 +2478,11 @@ sub get_primary_host_uuid
return("");
}
# Get the two node UUIDs.
$anvil->Database->get_anvils({debug => $debug});
# Get the two node UUIDs, if not already loaded
if (not exists $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid})
{
$anvil->Database->get_anvils({debug => $debug});
}
if (not exists $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid})
{

3
man/Makefile.am
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@ -26,4 +26,5 @@ dist_man8_MANS = \
scancore.8 \
striker-check-machines.8 \
striker-collect-debug.8 \
striker-initialize-host.8
striker-initialize-host.8 \
striker-update-cluster

0
man/striker-update-cluster.8
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3
tools/Makefile.am
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@ -67,7 +67,8 @@ dist_sbin_SCRIPTS = \
striker-prep-database \
striker-purge-target \
striker-scan-network \
striker-show-db-counts
striker-show-db-counts \
striker-update-cluster
fencedir = ${FASEXECPREFIX}/sbin

5
tools/striker-collect-debug
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@ -32,11 +32,6 @@ $| = 1;
my $anvil = Anvil::Tools->new();
### TODO: Remove this before final release
$anvil->Log->level({set => 2});
$anvil->Log->secure({set => 1});
##########################################
# Read switches (target ([user@]host[:port]) and the file with the target's password.
$anvil->Get->switches({list => [
"anvil",

578
tools/striker-update-cluster
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@ -0,0 +1,578 @@
#!/usr/bin/perl
#
# This program will disable our daemons on all machines, then update each striker. It then walks through all
# DR hosts and Anvil! nodes. With nodes, it migrates servers to the peer, takes the node out of the cluster,
# updates it, reboots if the kernel was updated, and then rejoins the cluster, migrates the VMs and the does
# the same process on the peer sub-node.
#
# Exit codes;
# 0 = Normal exit.
# 1 = No database connection.
#
# TODO:
#
# USAGE:
#
use strict;
use warnings;
use Anvil::Tools;
require POSIX;
use Term::Cap;
use Text::Diff;
use Data::Dumper;
my $THIS_FILE = ($0 =~ /^.*\/(.*)$/)[0];
my $running_directory = ($0 =~ /^(.*?)\/$THIS_FILE$/)[0];
if (($running_directory =~ /^\./) && ($ENV{PWD}))
{
$running_directory =~ s/^\./$ENV{PWD}/;
}
# Turn off buffering so that the pinwheel will display while waiting for the SSH call(s) to complete.
$| = 1;
my $anvil = Anvil::Tools->new();
### TODO: Remove this before final release
$anvil->Log->level({set => 2});
$anvil->Log->secure({set => 1});
##########################################
# Read switches (target ([user@]host[:port]) and the file with the target's password.
$anvil->Get->switches({list => ["force"], man => $THIS_FILE});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => $anvil->data->{switches}});
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 2, key => "log_0115", variables => { program => $THIS_FILE }});
# Connect to the database(s). If we have no connections, we'll proceed anyway as one of the 'run_once' tasks
# is to setup the database server.
$anvil->Database->connect();
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, level => 3, secure => 0, key => "log_0132"});
if (not $anvil->data->{sys}{database}{connections})
{
# No databases, update the job, sleep for a bit and then exit. The daemon will pick it up and try
# again after we exit.
$anvil->Log->entry({source => $THIS_FILE, line => __LINE__, 'print' => 1, level => 0, priority => "err", key => "error_0305"});
sleep 10;
$anvil->nice_exit({exit_code => 1});
}
# Make sure we're running as 'root'
# $< == real UID, $> == effective UID
if (($< != 0) && ($> != 0))
{
# Not root
print $anvil->Words->string({key => "error_0005"})."\n";
$anvil->nice_exit({exit_code => 1});
}
# Make sure we're a striker.
if ($anvil->Get->host_type ne "striker")
{
print "This has to be run on a Striker dashboard.\n";
$anvil->nice_exit({exit_code => 1});
}
print "Update beginning. Verifying all known machines are accessible...\n";
my $all_access = verify_access($anvil);
if ((not $all_access) && ($anvil->data->{switches}{force}))
{
print "[ Error ] - Not all systems are accessible. Update aborted!\n";
$anvil->nice_exit({exit_code => 1});
}
print "Success!\n";
print "[ Warning ] - All nodes need to be up and running for the update to run on nodes.
[ Warning ] - Servers will be migrated between subnodes, which can cause reduced performance during
[ Warning ] - the these migrations. If a sub-node is not active, it will be activated as part of the
[ Warning ] - upgrade process.\n";
print "\n".$anvil->Words->string({key => "message_0021"})."\n";
my $answer = <STDIN>;
chomp $answer;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { answer => $answer }});
if ($answer =~ /^y/i)
{
print $anvil->Words->string({key => "message_0175"})."\n";
$record_job = 1;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { record_job => $record_job }});
}
else
{
print $anvil->Words->string({key => "message_0022"})."\n";
$anvil->nice_exit({exit_code => 0});
}
disable_daemons($anvil);
# Update systems
update_strikers_and_dr($anvil);
# Update DR Host
update_nodes($anvil);
$anvil->nice_exit({exit_code => 0});
#############################################################################################################
# Functions #
#############################################################################################################
sub update_nodes
{
my ($anvil) = @_;
# Here, we loop through anvil systems, and find which sub nodes will be updated first, and which will
# be updated second.
foreach my $anvil_name (sort {$a cmp $b} keys %{$anvil->data->{anvils}{anvil_name}})
{
my $anvil_uuid = $anvil->data->{anvils}{anvil_name}{$anvil_name}{anvil_uuid};
my $anvil_description = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_description};
my $anvil_node1_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node1_host_uuid};
my $anvil_node2_host_uuid = $anvil->data->{anvils}{anvil_uuid}{$anvil_uuid}{anvil_node2_host_uuid};
my $primary_host_uuid = $anvil->Cluster->get_primary_host_uuid({anvil_uuid => $anvil_uuid});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:anvil_name' => $anvil_name,
's2:anvil_uuid' => $anvil_uuid,
's3:anvil_description' => $anvil_description,
's4:anvil_node1_host_uuid' => $anvil_node1_host_uuid,
's5:anvil_node2_host_uuid' => $anvil_node2_host_uuid,
's6:primary_host_uuid' => $primary_host_uuid,
}});
}
foreach my $host_name (sort {$a cmp $b} keys %{$anvil->data->{sys}{hosts}{by_name}})
{
my $host_uuid = $anvil->data->{sys}{hosts}{by_name}{$host_name};
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $this_host_type = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_type};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:host_name' => $host_name,
's2:host_uuid' => $host_uuid,
's3:short_host_name' => $short_host_name,
's4:this_host_type' => $this_host_type,
}});
next if $host_type ne "node";
$anvil->data->{sys}{host}{$short_host_name}{reboot_needed} = 0;
if (not $anvil->data->{peer}{$short_host_name}{access}{ip})
{
print "- No access to the DR host: [".$short_host_name."], skipping.\n";
next;
}
# These are always remote.
print "- Beginning OS update of: [".$short_host_name."]\n";
my $shell_call = $anvil->data->{path}{exe}{dnf}." clean all";
my ($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
print "- Cache cleared, calling update now.\n";
print "- NOTE: This can seem like it's hung! You can watch the progress using 'journalctl -f' on another terminal to\n";
print "- watch the progress via the system logs.\n";
$output = "";
$error = "";
$return_code = "";
$shell_call = $anvil->data->{path}{exe}{dnf}." -y update";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
if ($return_code)
{
print "[ Error ] - There was a problem updating the system! Expected a return code of '0', but got: [".$return_code."]\n";
print "[ Error [ - The output, if any, was\n";
print "==] STDOUT [==\n";
print $output."\n";
print "==] STDERR [==\n";
print $error."\n";
print "==============\n";
}
else
{
print "Success! Checking if a reboot is needed.\n";
check_if_reboot_needed($anvil, $host_uuid);
}
}
return(0);
}
sub update_strikers_and_dr
{
my ($anvil) = @_;
foreach my $host_name (sort {$a cmp $b} keys %{$anvil->data->{sys}{hosts}{by_name}})
{
my $host_uuid = $anvil->data->{sys}{hosts}{by_name}{$host_name};
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $this_host_type = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_type};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:host_name' => $host_name,
's2:host_uuid' => $host_uuid,
's3:short_host_name' => $short_host_name,
's4:this_host_type' => $this_host_type,
}});
next if $host_type ne "striker";
$anvil->data->{sys}{host}{$short_host_name}{reboot_needed} = 0;
if (not $anvil->data->{peer}{$short_host_name}{access}{ip})
{
print "- No access to the Striker dashboard: [".$short_host_name."], skipping.\n";
next;
}
print "- Beginning OS update of: [".$short_host_name."]\n";
my $output = "";
my $error = "";
my $return_code = "";
my $shell_call = $anvil->data->{path}{exe}{dnf}." clean all";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
if ($host_uuid eq $anvil->Get->host_uuid)
{
($output, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
return_code => $return_code,
}});
}
else
{
($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
}
print "- Cache cleared, calling update now.\n";
print "- NOTE: This can seem like it's hung! You can watch the progress using 'journalctl -f' on another terminal to\n";
print "- watch the progress via the system logs.\n";
$output = "";
$error = "";
$return_code = "";
$shell_call = $anvil->data->{path}{exe}{dnf}." -y update";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
if ($host_uuid eq $anvil->Get->host_uuid)
{
($output, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
return_code => $return_code,
}});
}
else
{
($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
}
if ($return_code)
{
print "[ Error ] - There was a problem updating the system! Expected a return code of '0', but got: [".$return_code."]\n";
print "[ Error [ - The output, if any, was\n";
if ($host_uuid eq $anvil->Get->host_uuid)
{
print "==] Output [==\n";
print $output."\n";
print "==============\n";
}
else
{
print "==] STDOUT [==\n";
print $output."\n";
print "==] STDERR [==\n";
print $error."\n";
print "==============\n";
}
}
else
{
print "Success! Checking if a reboot is needed.\n";
check_if_reboot_needed($anvil, $host_uuid);
}
# Run anvil-version-change
$output = "";
$error = "";
$return_code = "";
$shell_call = $anvil->data->{path}{exe}{dnf}." -y update";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
if ($host_uuid eq $anvil->Get->host_uuid)
{
($output, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
return_code => $return_code,
}});
}
else
{
($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
}
}
return(0);
}
sub check_if_reboot_needed
{
my ($anvil, $host_uuid) = @_;
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $shell_call = $anvil->data->{path}{exe}{rpm}." -q kernel | ".$anvil->data->{path}{exe}{'sort'}." | ".$anvil->data->{path}{exe}{tail}." -n 1";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
short_host_name => $short_host_name,
shell_call => $shell_call,
}});
# Get the newest installed kernel
my $installed_kernel = "";
my $active_kernel = "";
my $error = "";
my $return_code = 999;
if ($host_uuid eq $anvil->Get->host_uuid)
{
($installed_kernel, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
installed_kernel => $installed_kernel,
return_code => $return_code,
}});
}
else
{
($installed_kernel, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
installed_kernel => $installed_kernel,
error => $error,
return_code => $return_code,
}});
}
$installed_kernel =~ s/^kernel-(\d+.\d+\.\d+-\d+)\..*$/$1/;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { installed_kernel => $installed_kernel }});
# Get the running kernel
$error = "";
$return_code = 999;
$shell_call = $anvil->data->{path}{exe}{uname}." -r";
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
if ($host_uuid eq $anvil->Get->host_uuid)
{
($active_kernel, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
active_kernel => $active_kernel,
return_code => $return_code,
}});
}
else
{
($active_kernel, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
active_kernel => $active_kernel,
error => $error,
return_code => $return_code,
}});
}
$active_kernel =~ s/(\d+.\d+\.\d+-\d+)\..*$/$1/;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { active_kernel => $active_kernel }});
if ($installed_kernel eq $active_kernel)
{
print "The kernel has not been updated.\n";
}
else
{
print "Reboot needed!\n";
$anvil->data->{sys}{host}{$short_host_name}{reboot_needed} = 1;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"sys::host::${short_host_name}::reboot_needed" => $anvil->data->{sys}{host}{$short_host_name}{reboot_needed},
}});
}
return(0);
}
sub disable_daemons
{
my ($anvil) = @_;
my $daemons = ("anvil-daemon", "scancore");
foreach my $host_type ("dr", "node", "striker")
{
foreach my $host_name (sort {$a cmp $b} keys %{$anvil->data->{sys}{hosts}{by_name}})
{
my $host_uuid = $anvil->data->{sys}{hosts}{by_name}{$host_name};
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $this_host_type = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_type};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:host_name' => $host_name,
's2:host_uuid' => $host_uuid,
's3:short_host_name' => $short_host_name,
's4:this_host_type' => $this_host_type,
}});
next if $host_type ne $this_host_type;
print "- Disabling dameons on: [".$short_host_name."]... ";
if (not $anvil->data->{peer}{$short_host_name}{access}{ip})
{
print "Offline! Skipping.\n";
next;
}
# Local
foreach my $daemons (@{$daemons})
{
my $shell_call = $anvil->data->{path}{exe}{systemctl}." stop ".$daemon;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { shell_call => $shell_call }});
my $output = "";
my $error = "";
my $return_code = 999;
if ($host_uuid eq $anvil->Get->host_uuid)
{
# Local
($output, $return_code) = $anvil->System->call({shell_call => $shell_call});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
return_code => $return_code,
}});
}
else
{
# Remote
($output, $error, $return_code) = $anvil->Remote->call({
shell_call => $shell_call,
target => $anvil->data->{peer}{$short_host_name}{access}{ip},
});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
output => $output,
error => $error,
return_code => $return_code,
}});
}
if (not $return_code)
{
print $daemon." stopped... ";
}
else
{
print $daemon." didn't stop!... ";
}
}
print "Done!\n";
}
}
return(0);
}
sub verify_access
{
my ($anvil) = @_;
# Make sure all are available before we start.
my $all_access = 1;
foreach my $host_type ("dr", "node", "striker")
{
foreach my $host_name (sort {$a cmp $b} keys %{$anvil->data->{sys}{hosts}{by_name}})
{
my $host_uuid = $anvil->data->{sys}{hosts}{by_name}{$host_name};
my $short_host_name = $anvil->data->{hosts}{host_uuid}{$host_uuid}{short_host_name};
my $this_host_type = $anvil->data->{hosts}{host_uuid}{$host_uuid}{host_type};
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:host_name' => $host_name,
's2:host_uuid' => $host_uuid,
's3:short_host_name' => $short_host_name,
's4:this_host_type' => $this_host_type,
}});
next if $host_type ne $this_host_type;
print "- Verifying access to: [".$short_host_name."]... ";
$anvil->data->{peer}{$short_host_name}{access}{ip} = "";
$anvil->data->{peer}{$short_host_name}{access}{network} = "";
foreach my $preferred_network ("bcn", "mn", "ifn", "sn")
{
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { preferred_network => $preferred_network }});
foreach my $network_name (sort {$a cmp $b} keys %{$anvil->data->{network_access}})
{
next if $network_name !~ /^$preferred_network/;
my $target_ip = $anvil->data->{network_access}{$network_name}{target_ip_address};
my $test_access = $anvil->Remote->test_access({target => $target_ip});
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
's1:network_name' => $network_name,
's2:target_ip' => $target_ip,
's3:test_access' => $test_access,
}});
if ($test_access)
{
# We're good.
$anvil->data->{peer}{$short_host_name}{access}{ip} = $target_ip;
$anvil->data->{peer}{$short_host_name}{access}{network} = $network_name;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => {
"s1:peer::${short_host_name}::access::ip" => $anvil->data->{peer}{$short_host_name}{access}{ip},
"s2:peer::${short_host_name}::access::network" => $anvil->data->{peer}{$short_host_name}{access}{network},
}});
}
}
}
if (not $anvil->data->{peer}{$short_host_name}{access}{ip})
{
print "No access!!\n";
print "- Not able to collect data from this host, skipping.\n";
$all_access = 0;
$anvil->Log->variables({source => $THIS_FILE, line => __LINE__, level => 2, list => { all_access => $all_access }});
}
}
}
return($all_access);
}
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