@ -19,6 +19,7 @@ my $THIS_FILE = "Database.pm";
# archive_database
# backup_database
# check_file_locations
# check_hosts
# check_lock_age
# check_for_schema
# configure_pgsql
@ -439,6 +440,115 @@ sub check_file_locations
return ( 0 ) ;
}
= head2 check_hosts
This checks to see if there ' s an entry in the C << hosts >> table on each database . This is meant to avoid an INSERT on a table with a record already , wich can happen when programs start before initial sync .
This method takes no parameters .
= cut
sub check_hosts
{
my $ self = shift ;
my $ parameter = shift ;
my $ anvil = $ self - > parent ;
my $ debug = defined $ parameter - > { debug } ? $ parameter - > { debug } : 3 ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0125" , variables = > { method = > "Database->check_hosts()" } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } ,
} } ) ;
if ( $ anvil - > data - > { sys } { database } { connections } < 1 )
{
# Nothing to do.
return ( 0 ) ;
}
# If we're starting with a new database, which is not yet in the hosts table, we can hit a case where
# this tries to insert into both DBs when it's only missing from one. So to habdle that, we'll
# manually check each DB to see if all hosts are there and, if not, INSERT only into the needed DB.
foreach my $ db_uuid ( sort { $ a cmp $ b } keys % { $ anvil - > data - > { database } } )
{
# Are we connected?
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"db_status::${db_uuid}::access" = > $ anvil - > data - > { db_status } { $ db_uuid } { access } ,
} } ) ;
next if not $ anvil - > data - > { db_status } { $ db_uuid } { access } ;
# Get the host information from the host.
my $ query = "
SELECT
host_ipmi ,
host_name ,
host_type ,
host_key ,
host_status
FROM
hosts
WHERE
host_uuid = ".$anvil->Database->quote($db_uuid)."
; " ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { query = > $ query } } ) ;
my $ results = $ anvil - > Database - > query ( { uuid = > $ db_uuid , query = > $ query , source = > $ THIS_FILE , line = > __LINE__ } ) ;
my $ count = @ { $ results } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
results = > $ results ,
count = > $ count ,
} } ) ;
next if not $ count ;
my $ db_host_ipmi = $ results - > [ 0 ] - > [ 0 ] ;
my $ db_host_name = $ results - > [ 0 ] - > [ 1 ] ;
my $ db_host_type = $ results - > [ 0 ] - > [ 2 ] ;
my $ db_host_key = $ results - > [ 0 ] - > [ 3 ] ;
my $ db_host_status = $ results - > [ 0 ] - > [ 4 ] ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
db_host_ipmi = > $ db_host_ipmi =~ /passw/ ? $ anvil - > Log - > is_secure ( $ db_host_ipmi ) : $ db_host_ipmi ,
db_host_name = > $ db_host_name ,
db_host_type = > $ db_host_type ,
db_host_key = > $ db_host_key ,
db_host_status = > $ db_host_status ,
} } ) ;
# Is this host in all DBs?
foreach my $ check_uuid ( sort { $ a cmp $ b } keys % { $ anvil - > data - > { database } } )
{
# Are we connected?
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"db_status::${check_uuid}::access" = > $ anvil - > data - > { db_status } { $ check_uuid } { access } ,
} } ) ;
next if not $ anvil - > data - > { db_status } { $ check_uuid } { access } ;
my $ query = "SELECT COUNT(*) FROM hosts WHERE host_uuid = " . $ anvil - > Database - > quote ( $ check_uuid ) . ";" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { query = > $ query } } ) ;
my $ results = $ anvil - > Database - > query ( { uuid = > $ check_uuid , query = > $ query , source = > $ THIS_FILE , line = > __LINE__ } ) ;
my $ count = @ { $ results } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
results = > $ results ,
count = > $ count ,
} } ) ;
if ( not $ count )
{
# INSERT it!
$ anvil - > Database - > insert_or_update_hosts ( {
debug = > 2 ,
uuid = > $ check_uuid ,
host_ipmi = > $ db_host_ipmi ,
host_key = > $ db_host_key ,
host_name = > $ db_host_name ,
host_type = > $ db_host_type ,
host_uuid = > $ db_uuid ,
host_status = > $ db_host_status ,
} ) ;
}
}
}
return ( 0 ) ;
}
= head2 check_lock_age
@ -1361,8 +1471,8 @@ sub connect
}
# If we're a Striker, see if we're configured.
my $ local_host_type = $ anvil - > Get - > host_type ( ) ;
my $ local_host_uuid = $ anvil - > Get - > host_uuid ( ) ;
my $ local_host_type = $ anvil - > Get - > host_type ( { debug = > $ debug } ) ;
my $ local_host_uuid = $ anvil - > Get - > host_uuid ( { debug = > $ debug } ) ;
my $ db_count = keys % { $ anvil - > data - > { database } } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
local_host_type = > $ local_host_type ,
@ -2143,6 +2253,12 @@ sub connect
$ anvil - > Database - > disconnect ( { debug = > $ debug } ) ;
}
if ( $ local_host_type eq "striker" )
{
# More sure any configured databases are in the hosts file.
$ anvil - > Database - > check_hosts ( { debug = > $ debug } ) ;
}
# If this is a time sensitive call, end here.
if ( $ sensitive )
{
@ -2153,17 +2269,19 @@ sub connect
return ( $ anvil - > data - > { sys } { database } { connections } ) ;
}
# If 'check_for_resync' is set to '2', then only check if we're primary.
# If 'check_for_resync' is set to '2', and the uptime is over two hours, only check if we're primary.
my $ uptime = $ anvil - > Get - > uptime ( ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"sys::database::primary_db" = > $ anvil - > data - > { sys } { database } { primary_db } ,
"sys::host_uuid" = > $ anvil - > data - > { sys } { host_uuid } ,
check_for_resync = > $ check_for_resync ,
uptime = > $ uptime ,
} } ) ;
if ( $ check_for_resync == 2 )
{
if ( $ anvil - > data - > { sys } { database } { primary_db } eq $ anvil - > data - > { sys } { host_uuid } )
if ( ( $ uptime < 7200 ) or ( $ anvil - > data - > { sys } { database } { primary_db } eq $ anvil - > data - > { sys } { host_uuid } ) )
{
# We're primary.
# We're primary or the uptime is low .
$ check_for_resync = 1 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { check_for_resync = > $ check_for_resync } } ) ;
}
@ -6473,12 +6591,14 @@ INSERT INTO
storage_group_member_storage_group_uuid ,
storage_group_member_host_uuid ,
storage_group_member_vg_uuid ,
storage_group_member_note ,
modified_date
) VALUES (
".$anvil->Database->quote($storage_group_member_uuid)." ,
".$anvil->Database->quote($storage_group_uuid)." ,
".$anvil->Database->quote($this_host_uuid)." ,
".$anvil->Database->quote($closest_scan_lvm_vg_uuid)." ,
'auto-created' ,
".$anvil->Database->quote($anvil->Database->refresh_timestamp)."
) ; " ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { query = > $ query } } ) ;
@ -10612,6 +10732,7 @@ AND
{
$ found = 1 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { found = > $ found } } ) ;
last ;
}
}
if ( not $ found )
@ -10656,7 +10777,7 @@ INSERT INTO
) ;
" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { query = > $ query } } ) ;
$ anvil - > Database - > write ( { uuid = > $ uuid , query = > $ query , source = > $ file ? $ file . " -> " . $ THIS_FILE : $ THIS_FILE , line = > $ line ? $ line . " -> " . __LINE__ : __LINE__ } ) ;
$ anvil - > Database - > write ( { debug = > $ debug , uuid = > $ uuid , query = > $ query , source = > $ file ? $ file . " -> " . $ THIS_FILE : $ THIS_FILE , line = > $ line ? $ line . " -> " . __LINE__ : __LINE__ } ) ;
}
else
{
@ -17248,7 +17369,7 @@ sub purge_data
This performs a query and returns an array reference of array references ( from C << DBO - > fetchall_arrayref >> ) . The first array contains all the returned rows and each row is an array reference of columns in that row .
If an error occurs , C << ! ! error ! ! >> will be returned .
If an error occurs , an empty array reference is returned .
For example , given the query ;
@ -17287,7 +17408,7 @@ Parameters;
By default , the local database will be queried ( if run on a machine with a database ) . Otherwise , the first database successfully connected to will be used for queries ( as stored in C << $ anvil - > data - > { sys } { database } { read_uuid } >> ) .
If you want to read from a specific database , though , you can set this parameter to the ID of the database ( C << database:: <id> :: host ) . If you specify a read from a database that isn ' t available , C << ! ! error ! ! >> will be returned .
If you want to read from a specific database , though , you can set this parameter to the ID of the database ( C << database:: <id> :: host ) . If you specify a read from a database that isn ' t available , An empty array reference will be returned .
= head3 line ( optional )
@ -17307,6 +17428,12 @@ If set, the query will be treated as containing sensitive data and will only be
To help with logging the source of a query , C << source >> can be set to the name of the script that requested the query . It is generally used along side C << line >> .
= head3 timeout ( optional , default 30 )
This sets a timeout on the execution of the query . If the query doesn ' t return in the set time , the query will be aborted and An empty array reference will be returned .
Set to C << 0 >> to set no / infinite timeout .
= cut
sub query
{
@ -17316,20 +17443,35 @@ sub query
my $ debug = defined $ parameter - > { debug } ? $ parameter - > { debug } : 3 ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0125" , variables = > { method = > "Database->query()" } } ) ;
my $ uuid = $ parameter - > { uuid } ? $ parameter - > { uuid } : $ anvil - > data - > { sys } { database } { read_uuid } ;
my $ uuid = $ parameter - > { uuid } ? $ parameter - > { uuid } : "" ;
my $ line = $ parameter - > { line } ? $ parameter - > { line } : __LINE__ ;
my $ query = $ parameter - > { query } ? $ parameter - > { query } : "" ;
my $ secure = $ parameter - > { secure } ? $ parameter - > { secure } : 0 ;
my $ source = $ parameter - > { source } ? $ parameter - > { source } : $ THIS_FILE ;
my $ timeout = defined $ parameter - > { timeout } ? $ parameter - > { timeout } : 30 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
uuid = > $ uuid ,
"cache::database_handle::${uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ uuid } ,
"cache::database_handle::${uuid}" = > $ uuid ? $ anvil - > data - > { cache } { database_handle } { $ uuid } : "" ,
line = > $ line ,
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
secure = > $ secure ,
source = > $ source ,
timeout = > $ timeout ,
} } ) ;
# Use the default read_uuid if a specific UUID wasn't specified.
my $ used_read_uuid = 0 ;
if ( not $ uuid )
{
$ uuid = $ anvil - > data - > { sys } { database } { read_uuid } ;
$ used_read_uuid = 1 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"s1:uuid" = > $ uuid ,
"s2:used_read_uuid" = > $ used_read_uuid ,
"s3:cache::database_handle::${uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ uuid } ,
} } ) ;
}
# Make logging code a little cleaner
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"s1:database::${uuid}::name" = > $ anvil - > data - > { database } { $ uuid } { name } ,
@ -17345,6 +17487,9 @@ sub query
"s2:say_server" = > $ say_server ,
} } ) ;
my $ failed_array_ref = [] ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
if ( not $ uuid )
{
# No database to talk to...
@ -17353,7 +17498,9 @@ sub query
source = > $ source ,
line = > $ line ,
} } ) ;
return ( "!!error!!" ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
elsif ( not defined $ anvil - > data - > { cache } { database_handle } { $ uuid } )
{
@ -17367,7 +17514,8 @@ sub query
if ( not defined $ anvil - > data - > { cache } { database_handle } { $ uuid } )
{
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0073" , variables = > { uuid = > $ uuid } } ) ;
return ( "!!error!!" ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
else
{
@ -17381,14 +17529,40 @@ sub query
if ( not $ query )
{
# No query
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0084" , variables = > {
server = > $ say_server ,
} } ) ;
return ( "!!error!!" ) ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "warn" , key = > "log_0084" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
# Test access to the DB before we do the actual query
$ anvil - > Database - > _test_access ( { debug = > $ debug , uuid = > $ uuid } ) ;
my $ problem = $ anvil - > Database - > _test_access ( { debug = > $ debug , uuid = > $ uuid } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
if ( $ problem )
{
if ( $ used_read_uuid )
{
# Switch to the new read_uuid, if possible,
if ( $ anvil - > data - > { sys } { database } { read_uuid } )
{
$ uuid = $ anvil - > data - > { sys } { database } { read_uuid } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { uuid = > $ uuid } } ) ;
}
else
{
# No usable databases are available.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , priority = > "warn" , key = > "warning_0181" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
}
else
{
# We were given a specific UUID, and we can't read from it. Return an error.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , priority = > "warn" , key = > "warning_0180" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
}
# If I am still alive check if any locks need to be renewed.
$ anvil - > Database - > check_lock_age ( { debug = > $ debug } ) ;
@ -17405,6 +17579,15 @@ sub query
} } ) ;
}
### TODO: Remove this before pr/660 is released.
# Trying to see how the handle changes if/when the handle is lost.
foreach my $ uuid ( sort { $ a cmp $ b } keys % { $ anvil - > data - > { cache } { database_handle } } )
{
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"cache::database_handle::${uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ uuid } ,
} } ) ;
}
# Do the query.
local $@ ;
my $ DBreq = eval { $ anvil - > data - > { cache } { database_handle } { $ uuid } - > prepare ( $ query ) or $ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0075" , variables = > {
@ -17412,16 +17595,47 @@ sub query
server = > $ say_server ,
db_error = > $ DBI:: errstr ,
} } ) ; } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { 'eval_error' = > $@ } } ) ;
if ( $@ )
{
### TODO: Report back somehow that the handle is dead.
$ anvil - > Database - > disconnect ( { debug = > $ debug } ) ;
my $ connections = $ anvil - > Database - > reconnect ( {
debug = > $ debug ,
lost_uuid = > $ uuid ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { connections = > $ connections } } ) ;
if ( $ connections )
{
# Try the prepare again
$ DBreq = eval { $ anvil - > data - > { cache } { database_handle } { $ uuid } - > prepare ( $ query ) or $ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0075" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
server = > $ say_server ,
db_error = > $ DBI:: errstr ,
} } ) ; } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { 'eval_error' = > $@ } } ) ;
if ( $@ )
{
# No luck, we're dead
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0675" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
server = > $ say_server ,
eval_error = > $@ ,
} } ) ;
return ( "!!error!!" ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
}
else
{
# No luck, we're dead
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0675" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
server = > $ say_server ,
eval_error = > $@ ,
} } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
}
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
uuid = > $ uuid ,
@ -17431,11 +17645,39 @@ sub query
} } ) ;
# Execute on the query
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { timeout = > $ timeout } } ) ;
alarm ( $ timeout ) ;
eval {
$ DBreq - > execute ( ) or $ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0076" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
server = > $ say_server ,
db_error = > $ DBI:: errstr ,
} } ) ;
} ;
alarm ( 0 ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { 'alarm $@' = > $@ } } ) ;
if ( $@ )
{
if ( ( $@ =~ /time/i ) && ( $@ =~ /out/i ) )
{
# Timed out
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "warning_0175" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
timeout = > $ timeout ,
error = > $@ ,
} } ) ;
}
else
{
# Other error
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "warning_0175" , variables = > {
query = > ( not $ secure ) ? $ query : $ anvil - > Log - > is_secure ( $ query ) ,
error = > $@ ,
} } ) ;
}
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { failed_array_ref = > $ failed_array_ref } } ) ;
return ( $ failed_array_ref ) ;
}
# Return the array
return ( $ DBreq - > fetchall_arrayref ( ) ) ;
@ -17446,6 +17688,8 @@ sub query
This quotes a string for safe use in database queries / writes . It operates exactly as C << DBI >> ' s C << quote >> method . This method is simply a wrapper that uses the C << DBI >> handle set as the currently active read database .
If there is a problem , an empty string will be returned and an error will be logged and printed to STDOUT .
Example ;
$ anvil - > Database - > quote ( "foo" ) ;
@ -17462,7 +17706,21 @@ sub quote
my $ anvil = $ self - > parent ;
$ string = "" if not defined $ string ;
my $ quoted = $ anvil - > Database - > read - > quote ( $ string ) ;
# Make sure we're using an active handle.
my $ quoted = eval { $ anvil - > Database - > read - > quote ( $ string ) ; } ;
if ( $@ )
{
$ quoted = "" if not defined $ quoted ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , 'print' = > 1 , key = > "warning_0177" , variables = > {
string = > $ string ,
error = > $@ ,
} } ) ;
# Given this might be about to get used in a DB query, return nothing. That should cause
# whatever query this was called for to error safely.
return ( "" ) ;
}
return ( $ quoted ) ;
}
@ -17764,6 +18022,58 @@ AND
}
= head2 reconnect
This method disconnects from any connected databases , re - reads the config , and then tries to reconnect to any databases again . The number of connected datbaases is returned .
Parameters ;
= head3 lost_uuid ( optional )
If set to a database UUID , then the database handle is deleted before the disconnect method is called , preventing an attempt to update locks and state information on a dead DB connection .
= cut
sub reconnect
{
my $ self = shift ;
my $ parameter = shift ;
my $ anvil = $ self - > parent ;
my $ debug = defined $ parameter - > { debug } ? $ parameter - > { debug } : 3 ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0125" , variables = > { method = > "Database->reconnect()" } } ) ;
my $ lost_uuid = defined $ parameter - > { lost_uuid } ? $ parameter - > { lost_uuid } : "" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
lost_uuid = > $ lost_uuid ,
} } ) ;
if ( ( $ lost_uuid ) && ( $ anvil - > data - > { cache } { database_handle } { $ lost_uuid } ) )
{
$ anvil - > data - > { cache } { database_handle } { $ lost_uuid } = "" ;
$ anvil - > data - > { sys } { database } { connections } - - if $ anvil - > data - > { sys } { database } { connections } > 0 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"s1:cache::database_handle::${lost_uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ lost_uuid } ,
"s2:sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } ,
} } ) ;
}
# Disconnect from all databases and then stop the daemon, then reconnect.
$ anvil - > Database - > disconnect ( { debug = > $ debug } ) ;
sleep 2 ;
# Refresh configs.
$ anvil - > refresh ( ) ;
# Reconnect.
$ anvil - > Database - > connect ( { debug = > $ debug } ) ;
# Log our connection count.
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } ,
} } ) ;
return ( $ anvil - > data - > { sys } { database } { connections } ) ;
}
= head2 refresh_timestamp
This refreshes C << sys::database:: timestamp >> . It returns C << sys::database:: timestamp >> as well .
@ -19111,7 +19421,16 @@ sub write
if ( not $ initializing )
{
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { uuid = > $ uuid } } ) ;
$ anvil - > Database - > _test_access ( { debug = > $ debug , uuid = > $ uuid } ) ;
my $ problem = $ anvil - > Database - > _test_access ( { debug = > $ debug , uuid = > $ uuid } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
if ( $ problem )
{
# We can't use this DB.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , priority = > "warn" , key = > "warning_0182" , variables = > { uuid = > $ uuid } } ) ;
next ;
}
}
# Do the actual query(ies)
@ -19148,6 +19467,7 @@ sub write
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
's1:test' = > $ test ,
's2:$@' = > $@ ,
's3:query' = > $ query ,
} } ) ;
if ( not $ test )
@ -20417,11 +20737,11 @@ sub _mark_database_as_behind
= head2 _test_access
This method takes a database UUID and tests the connection to it using the DBD 'ping' method . If it fails , open references to the database are removed or replaced , then an attempt to reconnect is made .
This method takes a database UUID and tests the connection to it using the DBD 'ping' method . If it fails , the database connections will be refreshed . If after this there is still no connection , C << 1 >> is returned . If the connection is up ( immediately or after reconnect ) , C << 0 >> is returned .
This exists to handle the loss of a database mid - run where a normal query , which isn ' t wrapped in a query , could hang indefinately .
B << Note >> : If there is no active handle , this returns 0 immediately .
B << Note >> : If there is no active handle , this returns C << 1 >> immediately without trying to reconnect .
= cut
sub _test_access
@ -20439,9 +20759,11 @@ sub _test_access
} } ) ;
# If the handle is down, return 0.
my $ problem = 1 ;
if ( ( not exists $ anvil - > data - > { cache } { database_handle } { $ uuid } ) or ( not $ anvil - > data - > { cache } { database_handle } { $ uuid } ) )
{
return ( 0 ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
# Make logging code a little cleaner
@ -20451,28 +20773,6 @@ sub _test_access
# Log our test
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0087" , variables = > { server = > $ say_server } } ) ;
# TODO: Is there a use for this anymore?
if ( 0 )
{
# Ping works. Try a quick test query.
my $ query = "SELECT 1" ;
my $ DBreq = $ anvil - > data - > { cache } { database_handle } { $ uuid } - > prepare ( $ query ) or $ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0075" , variables = > {
query = > $ query ,
server = > $ say_server ,
db_error = > $ DBI:: errstr ,
} } ) ;
# Give the test query a few seconds to respond, just in case we have some latency to a remote DB.
alarm ( 10 ) ;
$ DBreq - > execute ( ) or $ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0076" , variables = > {
query = > $ query ,
server = > $ say_server ,
db_error = > $ DBI:: errstr ,
} } ) ;
# If we're here, we made contact.
alarm ( 0 ) ;
}
# Check using ping. Returns '1' on success, '0' on fail.
alarm ( 120 ) ;
my $ connected = $ anvil - > data - > { cache } { database_handle } { $ uuid } - > ping ( ) ;
@ -20480,107 +20780,78 @@ sub _test_access
alarm ( 0 ) ;
if ( not $ connected )
{
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0192" , variables = > { server = > $ say_server } } ) ;
$ anvil - > data - > { sys } { in_test_access } = 0 if not defined $ anvil - > data - > { sys } { in_test_access } ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "sys::in_test_access" = > $ anvil - > data - > { sys } { in_test_access } } } ) ;
if ( not $ anvil - > data - > { sys } { in_test_access } )
{
# This prevents deep recursion
$ anvil - > data - > { sys } { in_test_access } = 1 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"sys::in_test_access" = > $ anvil - > data - > { sys } { in_test_access } ,
} } ) ;
# Try to reconnect.
$ anvil - > data - > { sys } { database } { connections } - - ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } } } ) ;
# Tell the user we're going to try to reconnect
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "log_0192" , variables = > { server = > $ say_server } } ) ;
# If this was the DB we were reading from or that the use_db_handle matches, and another DB
# appears to still be up, switch to one of the others.
if ( $ anvil - > data - > { sys } { database } { connections } )
{
# Try to reconnect.
$ anvil - > Database - > reconnect ( {
debug = > $ debug ,
lost_uuid = > $ uuid ,
} ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
"sys::database::use_handle" = > $ anvil - > Database - > read ,
"sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } ,
"cache::database_handle::${uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ uuid } ,
} } ) ;
if ( $ anvil - > Database - > read eq $ anvil - > data - > { cache } { database_handle } { $ uuid } )
{
foreach my $ this_uuid ( keys % { $ anvil - > data - > { cache } { database_handle } } )
{
# We don't test this connection because, if it's down, we'll know
# when it is tested.
my $ database_name = defined $ anvil - > data - > { database } { $ this_uuid } { name } ? $ anvil - > data - > { database } { $ this_uuid } { name } : "anvil" ;
my $ say_server = $ anvil - > data - > { database } { $ this_uuid } { host } . ":" . $ anvil - > data - > { database } { $ this_uuid } { port } . " -> " . $ database_name ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0193" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Database - > read ( { set = > $ anvil - > data - > { cache } { database_handle } { $ this_uuid } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { 'anvil->Database->read' = > $ anvil - > Database - > read } } ) ;
last ;
}
}
$ anvil - > data - > { sys } { in_test_access } = 0 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
uuid = > $ uuid ,
"sys::database::read_uuid " = > $ anvil - > data - > { sys } { database } { read_ uuid} ,
"s1:sys::in_test_access" = > $ anvil - > data - > { sys } { in_test_access } ,
"s2:cache::database_handle::${uuid}" = > $ anvil - > data - > { cache } { database_handle } { $ uuid } ,
} } ) ;
if ( $ uuid eq $ anvil - > data - > { sys } { database } { read_uuid } )
{
# We were reading from this DB, switch.
foreach my $ this_uuid ( keys % { $ anvil - > data - > { cache } { database_handle } } )
if ( $ anvil - > data - > { cache } { database_handle } { $ uuid } )
{
# We don't test this connection because, if it's down, we'll know
# when it is tested.
my $ database_name = defined $ anvil - > data - > { database } { $ this_uuid } { name } ? $ anvil - > data - > { database } { $ this_uuid } { name } : "anvil" ;
my $ say_server = $ anvil - > data - > { database } { $ this_uuid } { host } . ":" . $ anvil - > data - > { database } { $ this_uuid } { port } . " -> " . $ database_name ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0194" , variables = > { server = > $ say_server } } ) ;
alarm ( 120 ) ;
my $ connected = $ anvil - > data - > { cache } { database_handle } { $ uuid } - > ping ( ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { connected = > $ connected } } ) ;
alarm ( 0 ) ;
$ anvil - > data - > { sys } { database } { read_uuid } = $ this_uuid ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "sys::database::read_uuid" = > $ anvil - > data - > { sys } { database } { read_uuid } } } ) ;
last ;
if ( $ connected )
{
# We reconnected.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "log_0854" , variables = > { server = > $ say_server } } ) ;
$ problem = 0 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
else
{
# The tartget DB is gone.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "warning_0179" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
}
else
{
# We're in trouble if we don't reconnect...
$ anvil - > Database - > read ( { set = > "delete" } ) ;
$ anvil - > data - > { sys } { database } { read_uuid } = "" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > {
'anvil->Database->read' = > $ anvil - > Database - > read ,
"sys::database::read_uuid" = > $ anvil - > data - > { sys } { database } { read_uuid } ,
} } ) ;
# The tartget DB is gone.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "warning_0179" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
# Delete the old handle and then try to reconnect. If the reconnect succeeds, and this is the
# local database, this database will be re-selected as default for reads.
delete $ anvil - > data - > { cache } { database_handle } { $ uuid } ;
my $ delay = 5 ;
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0195" , variables = > {
delay = > $ delay ,
server = > $ say_server ,
} } ) ;
sleep $ delay ;
$ anvil - > Database - > connect ( { debug = > $ debug , db_uuid = > $ uuid } ) ;
# If we're down to '0' databases, error out.
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "sys::database::connections" = > $ anvil - > data - > { sys } { database } { connections } } } ) ;
if ( not $ anvil - > data - > { sys } { database } { connections } )
{
# No connections are left.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "error_0366" } ) ;
# It's possible the network was just reconfigured, and they were trying to updated a
# job in the database. If so, this failure can be hit. To handle this, we'll check
# if 'sys::reboot' is set. If so, we'll reboot now.
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { "sys::reboot" = > $ anvil - > data - > { sys } { reboot } } } ) ;
if ( $ anvil - > data - > { sys } { reboot } )
{
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 0 , priority = > "err" , key = > "log_0196" } ) ;
my $ shell_call = $ anvil - > data - > { path } { exe } { systemctl } . " reboot" ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { shell_call = > $ shell_call } } ) ;
my ( $ output , $ return_code ) = $ anvil - > System - > call ( { shell_call = > $ shell_call , source = > $ THIS_FILE , line = > __LINE__ } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 2 , list = > { output = > $ output , return_code = > $ return_code } } ) ;
}
return ( 1 ) ;
else
{
# No luck.
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > 1 , key = > "warning_0179" , variables = > { server = > $ say_server } } ) ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
}
# Success!
$ anvil - > Log - > entry ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , key = > "log_0088" } ) ;
return ( 0 ) ;
$ problem = 0 ;
$ anvil - > Log - > variables ( { source = > $ THIS_FILE , line = > __LINE__ , level = > $ debug , list = > { problem = > $ problem } } ) ;
return ( $ problem ) ;
}
Digimer
7 months ago
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GitHub