@ -383,11 +383,26 @@ sub connect_to_libvirt
# If we don't have a connection, try to establish one now.
if ( not $ anvil - > data - > { libvirtd } { $ target } { connection } )
{
my $ uri = "qemu+ssh://" . $ target_ip . "/system" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { uri = > $ uri } } ) ;
# Make sure the target is known.
my $ problem = $ anvil - > Remote - > add_target_to_known_hosts ( {
debug = > $ debug ,
target = > $ target_ip ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , secure = > 0 , list = > { problem = > $ problem } } ) ;
### NOTE: For some reason, the below 'alarm'/SIGALRM' hook doesn't work if the ssh target's
### fingerprint isn't known, hence the call above. Whatever is causing this though
### could bite us in other ways.
# Test connect
eval { $ anvil - > data - > { libvirtd } { $ target } { connection } = Sys::Virt - > new ( uri = > $ uri ) ; } ;
my $ uri = "qemu+ssh://" . $ target_ip . "/system" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { uri = > $ uri } } ) ;
eval
{
local $ SIG { ALRM } = sub { die "Connection to: [" . $ uri . "] timed out!\n" } ; # NB: \n required
alarm 10 ;
$ anvil - > data - > { libvirtd } { $ target } { connection } = Sys::Virt - > new ( uri = > $ uri ) ;
alarm 0 ;
} ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > {
"libvirtd::${target}::connection" = > $ anvil - > data - > { libvirtd } { $ target } { connection } ,
} } ) ;
@ -1272,6 +1287,10 @@ C<< Note >>: By design, servers are set to 'undefined' on subnodes, so when the
Parameters ;
= head3 anvil ( optional , name or uuid )
If set , it restricts the search for a server to a specific Anvil ! ( and DR hosts , if protected ) . This will improve search performance on systems with nodes or DR hosts that are offline .
= head3 server_name ( required )
This is the name of the server being located . It can be set to C << all >> , in which case all servers on all hosts are located .
@ -1285,8 +1304,10 @@ sub locate
my $ debug = defined $ parameter - > { debug } ? $ parameter - > { debug } : 3 ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0125" , variables = > { method = > "Server->locate()" } } ) ;
my $ anvil_string = defined $ parameter - > { anvil } ? $ parameter - > { anvil } : "" ;
my $ server_name = defined $ parameter - > { server_name } ? $ parameter - > { server_name } : "" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
anvil_string = > $ anvil_string ,
server_name = > $ server_name ,
} } ) ;
@ -1296,6 +1317,24 @@ sub locate
return ( '!!error!!' ) ;
}
my $ anvil_uuid = "" ;
my $ anvil_name = "" ;
if ( $ anvil_string )
{
$ anvil_uuid = $ anvil - > Database - > get_anvil_uuid_from_string ( {
debug = > $ debug ,
string = > $ anvil_string ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { anvil_uuid = > $ anvil_uuid } } ) ;
if ( not $ anvil_uuid )
{
# Anvil! not found. Will be logged in Database->get_anvil_uuid_from_string().
return ( '!!error!!' ) ;
}
$ anvil_name = $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { anvil_name } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { anvil_name = > $ anvil_name } } ) ;
}
if ( exists $ anvil - > data - > { server_location } { host } )
{
delete $ anvil - > data - > { server_location } { host } ;
@ -1307,6 +1346,38 @@ sub locate
# Connect to all hosts.
$ anvil - > Database - > get_hosts ( { debug = > $ debug } ) ;
if ( $ anvil_uuid )
{
my $ node1_host_uuid = $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { anvil_node1_host_uuid } ;
my $ node2_host_uuid = $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { anvil_node2_host_uuid } ;
$ anvil - > data - > { host_search } { $ node1_host_uuid } { short_host_name } = $ anvil - > data - > { hosts } { host_uuid } { $ node1_host_uuid } { short_host_name } ;
$ anvil - > data - > { host_search } { $ node2_host_uuid } { short_host_name } = $ anvil - > data - > { hosts } { host_uuid } { $ node2_host_uuid } { short_host_name } ;
# Add DR hosts, if any.
if ( exists $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { dr_host } )
{
foreach my $ host_uuid ( sort { $ a cmp $ b } keys % { $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { dr_host } } )
{
$ anvil - > data - > { host_search } { $ host_uuid } { short_host_name } = $ anvil - > data - > { hosts } { host_uuid } { $ host_uuid } { short_host_name } ;
}
}
# Log the hosts we'll search (alphabetically).
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 } ;
if ( exists $ anvil - > data - > { host_search } { $ host_uuid } )
{
# Searching this
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
's1:host_name' = > $ host_name ,
's2:host_uuid' = > $ 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 } ;
@ -1320,6 +1391,15 @@ sub locate
} } ) ;
next if $ host_type eq "striker" ;
if ( $ anvil_uuid )
{
# Skip if this isn't a host we're searching.
if ( not exists $ anvil - > data - > { host_search } { $ host_uuid } )
{
next ;
}
}
# This will switch to '1' if we connect to libvirtd.
$ anvil - > data - > { server_location } { host } { $ short_host_name } { access } = 0 ;
@ -1934,6 +2014,7 @@ sub parse_definition
source = > $ source ,
definition = > $ definition ,
host = > $ host ,
target = > $ target ,
} } ) ;
if ( not $ target )
@ -1983,6 +2064,9 @@ sub parse_definition
}
$ anvil - > data - > { server } { $ target } { $ server } { $ source } { parsed } = $ server_xml ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"server::${target}::${server}::${source}::parsed" = > $ anvil - > data - > { server } { $ target } { $ server } { $ source } { parsed } ,
} } ) ;
# Get the DRBD data that this server will almost certainly be using.
$ anvil - > DRBD - > get_devices ( {
@ -2851,6 +2935,15 @@ sub update_definition
return ( '!!error!!' ) ;
}
# Find where the server exists.
my $ anvil_uuid = $ anvil - > data - > { servers } { server_uuid } { $ server_uuid } { server_anvil_uuid } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { anvil_uuid = > $ anvil_uuid } } ) ;
$ anvil - > Server - > locate ( {
debug = > $ debug ,
server_name = > $ server_name ,
anvil = > $ anvil_uuid ,
} ) ;
# Validate the new XML
my $ short_host_name = $ anvil - > Get - > short_host_name ( ) ;
my $ problem = $ anvil - > Server - > parse_definition ( {
@ -2885,7 +2978,6 @@ sub update_definition
}
# Prep our variables.
my $ anvil_uuid = $ anvil - > data - > { servers } { server_uuid } { $ server_uuid } { server_anvil_uuid } ;
my $ definition_uuid = $ anvil - > data - > { servers } { server_uuid } { $ server_uuid } { server_definition_uuid } ;
my $ db_definition_xml = $ anvil - > data - > { servers } { server_uuid } { $ server_uuid } { server_definition_xml } ;
my $ node1_host_uuid = $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { anvil_node1_host_uuid } ;
@ -2893,7 +2985,6 @@ sub update_definition
my $ node2_host_uuid = $ anvil - > data - > { anvils } { anvil_uuid } { $ anvil_uuid } { anvil_node2_host_uuid } ;
my $ node2_host_name = $ anvil - > data - > { hosts } { host_uuid } { $ node2_host_uuid } { host_name } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > {
anvil_uuid = > $ anvil_uuid ,
definition_uuid = > $ definition_uuid ,
db_definition_xml = > $ db_definition_xml ,
node1_host_uuid = > $ node1_host_uuid ,
@ -2937,29 +3028,29 @@ sub update_definition
foreach my $ host_uuid ( @ { $ hosts } )
{
# Find a target_ip (local will be detected as local in the file read/write)
my $ short_host_name = $ anvil - > data - > { hosts } { host_uuid } { $ host_uuid } { short_host_name } ;
my $ target_ip = $ anvil - > Network - > find_target_ip ( {
debug = > 2 ,
host_uuid = > $ host_uuid ,
test_access = > 1 ,
networks = > "bcn,mn,sn,ifn,any" ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { target_ip = > $ target_ip } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > {
target_ip = > $ target_ip ,
short_host_name = > $ short_host_name ,
} } ) ;
if ( $ target_ip )
{
# Read the old definition.
my $ old_definition_xml = $ anvil - > Storage - > read_file ( {
debug = > $ debug ,
file = > $ definition_file ,
target = > $ target_ip ,
} ) ;
# The definition was read by Server->locate, so we can use it.
my $ old_definition_xml = defined $ anvil - > data - > { server_location } { host } { $ short_host_name } { server } { $ server_name } { file_definition } ? $ anvil - > data - > { server_location } { host } { $ short_host_name } { server } { $ server_name } { file_definition } : "" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { old_definition_xml = > $ old_definition_xml } } ) ;
### TODO: Handle when the definition file simply doesn't exist.
if ( ( not $ old_definition_xml ) or ( $ old_definition_xml eq "!!error!!" ) or ( $ old_definition_xml !~ /<domain/ms ) )
{
my $ host_name = $ anvil - > data - > { hosts } { host_uuid } { $ host_uuid } { host_name } ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , priority = > "alert" , key = > "warning_0163" , variables = > {
server_name = > $ server_name ,
host_name = > $ host_name ,
host_name = > $ short_ host_name,
file = > $ definition_file ,
} } ) ;
}
@ -2993,10 +3084,100 @@ sub update_definition
} } ) ;
}
}
# If the server is defined, update that also.
if ( ( exists $ anvil - > data - > { server_location } { host } { $ short_host_name } { server } { $ server_name } { inactive_definition } ) &&
( $ anvil - > data - > { server_location } { host } { $ short_host_name } { server } { $ server_name } { inactive_definition } ) )
{
# This will always differ, so just update.
my $ problem = $ anvil - > Server - > connect_to_libvirt ( {
debug = > $ debug ,
target = > $ short_host_name ,
target_ip = > $ target_ip ,
server_name = > $ server_name ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { problem = > $ problem } } ) ;
if ( not $ problem )
{
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"libvirtd::${short_host_name}::connection" = > $ anvil - > data - > { libvirtd } { $ short_host_name } { connection } ,
} } ) ;
# Define the server
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "log_0818" , variables = > { server_name = > $ server_name } } ) ;
eval { $ anvil - > data - > { libvirtd } { $ short_host_name } { connection } - > define_domain ( $ new_definition_xml ) ; } ;
if ( $@ )
{
# Throw an error, then clear the URI so that we just update the DB/on-disk definitions.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "warning_0166" , variables = > {
host_name = > $ short_host_name ,
server_name = > $ server_name ,
error = > $@ ,
} } ) ;
}
else
{
if ( not ref ( $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } ) eq "Sys::Virt::Domain" )
{
# Connect to the server.
my @ domains = $ anvil - > data - > { libvirtd } { $ short_host_name } { connection } - > list_all_domains ( ) ;
foreach my $ domain_handle ( @ domains )
{
my $ this_server_name = $ domain_handle - > get_name ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > {
domain_handle = > $ domain_handle ,
this_server_name = > $ this_server_name ,
} } ) ;
if ( $ this_server_name eq $ server_name )
{
$ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } = $ domain_handle ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > {
"libvirtd::${short_host_name}::server::${server_name}::connection" = > $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } ,
} } ) ;
last ;
}
}
}
# If the server running or defined here?
# If this connection still valid?
if ( ref ( $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } ) eq "Sys::Virt::Domain" )
{
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "log_0819" , variables = > { server_name = > $ server_name } } ) ;
my $ uuid = "" ;
eval { $ uuid = $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } - > get_uuid_string ( ) ; } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "uuid" = > $ uuid } } ) ;
if ( ( not $@ ) && ( $ uuid ) )
{
# Connection is good.
my $ updated = $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } - > is_updated ( ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "updated" = > $ updated } } ) ;
if ( $ updated )
{
eval { $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } - > undefine ; } ;
if ( $@ )
{
# Throw an error, then clear the URI so that we just update the DB/on-disk definitions.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "warning_0167" , variables = > {
host_name = > $ short_host_name ,
server_name = > $ server_name ,
error = > $@ ,
} } ) ;
}
else
{
my $ updated = $ anvil - > data - > { libvirtd } { $ short_host_name } { server } { $ server_name } { connection } - > is_updated ( ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "updated" = > $ updated } } ) ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "log_0817" , variables = > { server_name = > $ server_name } } ) ;
}
}
}
}
}
}
}
}
}
}
Digimer
1 year ago
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