Set the maximum number of open files in the systemd unit

This prevents IPFS reaching the limit (1024 by default), which is
treated like a low disk space threshold by ipfs and ipfs-cluster

metadata.rb

@@ -4,7 +4,7 @@ maintainer_email 'mail@kosmos.org'
 license          'MIT'
 description      'Installs/Configures ipfs'
 long_description IO.read(File.join(File.dirname(__FILE__), 'README.md'))
-version          '0.1.2'
+version          '0.1.3'
 
 supports %w(ubuntu debian)
 

templates/default/ipfs-cluster.systemd.service.erb

@@ -6,6 +6,8 @@ ExecStart=/usr/local/bin/ipfs-cluster-service daemon --upgrade
 User=ipfs
 Group=ipfs
 Restart=always
+# Raise the ulimit (max number of open files)
+LimitNOFILE=64000
 
 [Install]
 WantedBy=multi-user.target

templates/default/ipfs.systemd.service.erb

@@ -6,6 +6,8 @@ ExecStart=/usr/local/bin/ipfs daemon --migrate
 User=ipfs
 Group=ipfs
 Restart=always
+# Raise the ulimit (max number of open files)
+LimitNOFILE=64000
 
 [Install]
 WantedBy=multi-user.target