bitcoind_blocks

#!/bin/sh
# -*- sh -*-
# vim: ft=sh

: << =cut

=head1 NAME

bitcoind_blocks - Plugin to monitor the number of blocks

=head1 CONFIGURATION

 [bitcoind*]
    user bitcoin
    env.binary bitcoin-cli
    env.data_dir /var/lib/bitcoin

=head1 AUTHOR

Cedric Felizard

=head1 LICENSE

AGPLv3+

=head1 MAGIC MARKERS

 #%# family=auto
 #%# capabilities=autoconf

=cut

BINARY=${binary:-"/usr/bin/bitcoin-cli"}
DATA_DIR=${data_dir:-"/var/lib/bitcoin"}

if [ "$1" = "autoconf" ]; then
    autoconf="yes"

    command -v $BINARY >/dev/null || autoconf="no"

    echo $autoconf
    exit 0
fi

if [ "$1" = "config" ]; then
    echo 'graph_title Block count'
    echo 'graph_vlabel number of blocks'
    echo 'graph_category bitcoind'
    echo 'graph_info This graph shows the number of blocks.'
    echo 'bitcoind_blocks.label blocks'
    echo 'bitcoind_blocks.info The current number of blocks.'
    exit 0
fi

echo "bitcoind_blocks.value $($BINARY -datadir=$DATA_DIR getblockcount)"