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Add HTTPS with CA file and Authorization header from file for opensearch script #517

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merged 2 commits into from
May 6, 2024
Merged

Add HTTPS with CA file and Authorization header from file for opensearch script #517

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68da0b4
HTTPS and CA file validation implemented.
Marco-Valle Apr 28, 2024
5dac45c
Authorization header from file implemented.
Marco-Valle Apr 28, 2024
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48 changes: 42 additions & 6 deletions snmp/opensearch
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Original file line number Diff line number Diff line change
Expand Up @@ -31,11 +31,15 @@ Add this to snmpd.conf as below and restart snmpd.

Supported command line options are as below.

-a <path> Auth token path.
-c <path> CA file path.
Default: empty
-h <host> The host to connect to.
Default: 127.0.0.1
-p <port> The port to use.
Default: 9200
-P Pretty print.
-S Use HTTPS.

The last is only really relevant to the usage with SNMP.

Expand All @@ -55,25 +59,40 @@ sub main::VERSION_MESSAGE {

sub main::HELP_MESSAGE {
print "\n"
. "-a <path> Auth token path.\n"
. "-c <path> CA file path.\n"
. "-h <host> The host to connect to.\n"
. " Default: 127.0.0.1\n"
. "-p <port> The port to use.\n"
. " Default: 9200\n"
. "-P Pretty print.\n";
. "-P Pretty print.\n"
. "-S Use HTTPS.\n";
}

my $host = '127.0.0.1';
my $port = 9200;
my $schema = 'http';

#gets the options
my %opts;
getopts( 'h:p:P', \%opts );
getopts( 'a:c:h:p:P:S', \%opts );
if ( defined( $opts{h} ) ) {
$host = $opts{h};
}
if ( defined( $opts{p} ) ) {
$port = $opts{p};
}
if ( $opts{S} ) {
$schema = 'https';
}

my $auth_token;
if ( defined( $opts{a} ) ) {
open my $auth_file, '<', $opts{a};
$auth_token = <$auth_file>;
close $auth_file;
chop $auth_token;
}

#
my $to_return = {
Expand All @@ -83,8 +102,8 @@ my $to_return = {
date => {},
};

my $stats_url = 'http://' . $host . ':' . $port . '/_stats';
my $health_url = 'http://' . $host . ':' . $port . '/_cluster/health';
my $stats_url = $schema . '://' . $host . ':' . $port . '/_stats';
my $health_url = $schema . '://' . $host . ':' . $port . '/_cluster/health';

my $json = JSON->new->allow_nonref->canonical(1);
if ( $opts{P} ) {
Expand All @@ -93,7 +112,18 @@ if ( $opts{P} ) {

my $ua = LWP::UserAgent->new( timeout => 10 );

my $stats_response = $ua->get($stats_url);
if ( defined( $opts{c} ) ) {
# set ca file
$ua->ssl_opts( SSL_ca_file => $opts{c});
}

my $stats_response;
if ( defined( $opts{a} ) ) {
$stats_response = $ua->get($stats_url, "Authorization" => $auth_token,);
} else {
$stats_response = $ua->get($stats_url);
}

my $stats_json;
if ( $stats_response->is_success ) {
eval { $stats_json = decode_json( $stats_response->decoded_content ); };
Expand All @@ -117,7 +147,13 @@ else {
exit;
}

my $health_response = $ua->get($health_url);
my $health_response;
if ( defined( $opts{a} ) ) {
$health_response = $ua->get($health_url, "Authorization" => $auth_token,);
} else {
$health_response = $ua->get($health_url);
}

my $health_json;
if ( $health_response->is_success ) {
eval { $health_json = decode_json( $health_response->decoded_content ); };
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