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MT#63199 /api/subscriberpreferences add lockwait and deadlock detection

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* lockwait and deadlock detection is now in place for ALL
  /api/subscriberpreferences endpoint methods.

Change-Id: Icb613677dfca1187b3a1e707588ad6e9547d3c9a
mr14.0
Kirill Solomko 10 months ago
parent e40eb8a09e
commit 9ee717744a
2 changed files with 202 additions and 154 deletions
Show Stats Download Patch File Download Diff File

108
lib/NGCP/Panel/Controller/API/SubscriberPreferences.pm
Unescape View File

@ -88,56 +88,68 @@ sub GET :Allow {
my $page = $c->request->params->{page} // 1;
my $rows = $c->request->params->{rows} // 10;
$c->model('DB')->set_transaction_isolation('READ COMMITTED');
my $guard = $c->model('DB')->txn_scope_guard;
{
my $subscribers_rs = $self->item_rs($c, "subscribers");
(my $total_count, $subscribers_rs, my $subscribers_rows) = $self->paginate_order_collection($c, $subscribers_rs);
my $subscribers = NGCP::Panel::Utils::Contract::acquire_contract_rowlocks(
c => $c,
rs => $subscribers_rs,
contract_id_field => 'contract_id',
skip_locked => ($c->request->header('X-Delay-Commit') ? 0 : 1),
);
my $now = NGCP::Panel::Utils::DateTime::current_local;
my (@embedded, @links, %contract_map);
$self->expand_prepare_collection($c);
for my $subscriber (@$subscribers) {
next unless($subscriber->provisioning_voip_subscriber);
my $contract = $subscriber->contract;
my $balance; $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $contract,
now => $now) if !exists $contract_map{$contract->id}; #apply underrun lock level
$contract_map{$contract->id} = 1;
push @embedded, $self->hal_from_item($c, $subscriber, "subscribers");
push @links, Data::HAL::Link->new(
relation => 'ngcp:'.$self->resource_name,
href => sprintf('%s%d', $self->dispatch_path, $subscriber->id),
TX_START:
$c->clear_errors;
try {
my $guard = $c->model('DB')->txn_scope_guard;
{
my $subscribers_rs = $self->item_rs($c, "subscribers");
(my $total_count, $subscribers_rs, my $subscribers_rows) = $self->paginate_order_collection($c, $subscribers_rs);
my $subscribers = NGCP::Panel::Utils::Contract::acquire_contract_rowlocks(
c => $c,
rs => $subscribers_rs,
contract_id_field => 'contract_id',
skip_locked => ($c->request->header('X-Delay-Commit') ? 0 : 1),
);
my $now = NGCP::Panel::Utils::DateTime::current_local;
my (@embedded, @links, %contract_map);
$self->expand_prepare_collection($c);
for my $subscriber (@$subscribers) {
next unless($subscriber->provisioning_voip_subscriber);
my $contract = $subscriber->contract;
my $balance; $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $contract,
now => $now) if !exists $contract_map{$contract->id}; #apply underrun lock level
$contract_map{$contract->id} = 1;
push @embedded, $self->hal_from_item($c, $subscriber, "subscribers");
push @links, Data::HAL::Link->new(
relation => 'ngcp:'.$self->resource_name,
href => sprintf('%s%d', $self->dispatch_path, $subscriber->id),
);
}
$self->expand_collection_fields($c, \@embedded);
$self->delay_commit($c,$guard);
push @links,
Data::HAL::Link->new(
relation => 'curies',
href => 'http://purl.org/sipwise/ngcp-api/#rel-{rel}',
name => 'ngcp',
templated => true,
),
Data::HAL::Link->new(relation => 'profile', href => 'http://purl.org/sipwise/ngcp-api/'),
$self->collection_nav_links($c, $page, $rows, $total_count, $c->request->path, $c->request->query_params);
my $hal = Data::HAL->new(
embedded => [@embedded],
links => [@links],
);
$hal->resource({
total_count => $total_count,
});
my $response = HTTP::Response->new(HTTP_OK, undef,
HTTP::Headers->new($hal->http_headers(skip_links => 1)), $hal->as_json);
$c->response->headers($response->headers);
$c->response->body($response->content);
return;
}
} catch($e) {
if ($self->check_deadlock($c, $e)) {
goto TX_START;
}
unless ($c->has_errors) {
$self->error($c, HTTP_INTERNAL_SERVER_ERROR, 'Internal Server Error', $e);
last;
}
$self->expand_collection_fields($c, \@embedded);
$self->delay_commit($c,$guard);
push @links,
Data::HAL::Link->new(
relation => 'curies',
href => 'http://purl.org/sipwise/ngcp-api/#rel-{rel}',
name => 'ngcp',
templated => true,
),
Data::HAL::Link->new(relation => 'profile', href => 'http://purl.org/sipwise/ngcp-api/'),
$self->collection_nav_links($c, $page, $rows, $total_count, $c->request->path, $c->request->query_params);
my $hal = Data::HAL->new(
embedded => [@embedded],
links => [@links],
);
$hal->resource({
total_count => $total_count,
});
my $response = HTTP::Response->new(HTTP_OK, undef,
HTTP::Headers->new($hal->http_headers(skip_links => 1)), $hal->as_json);
$c->response->headers($response->headers);
$c->response->body($response->content);
return;
}
return;
}

248
lib/NGCP/Panel/Controller/API/SubscriberPreferencesItem.pm
Unescape View File

@ -50,27 +50,39 @@ sub journal_query_params {
sub GET :Allow {
my ($self, $c, $id) = @_;
$c->model('DB')->set_transaction_isolation('READ COMMITTED');
my $guard = $c->model('DB')->txn_scope_guard;
{
last unless $self->valid_id($c, $id);
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, subscriberpreference => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
$guard->commit; #potential db write ops in hal_from
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
(map { # XXX Data::HAL must be able to generate links with multiple relations
s|rel="(http://purl.org/sipwise/ngcp-api/#rel-resellers)"|rel="item $1"|r
=~ s/rel=self/rel="item self"/r;
} $hal->http_headers),
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->body($response->content);
return;
TX_START:
$c->clear_errors;
try {
my $guard = $c->model('DB')->txn_scope_guard;
{
last unless $self->valid_id($c, $id);
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, subscriberpreference => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
$guard->commit; #potential db write ops in hal_from
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
(map { # XXX Data::HAL must be able to generate links with multiple relations
s|rel="(http://purl.org/sipwise/ngcp-api/#rel-resellers)"|rel="item $1"|r
=~ s/rel=self/rel="item self"/r;
} $hal->http_headers),
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->body($response->content);
return;
}
} catch($e) {
if ($self->check_deadlock($c, $e)) {
goto TX_START;
}
unless ($c->has_errors) {
$self->error($c, HTTP_INTERNAL_SERVER_ERROR, 'Internal Server Error', $e);
last;
}
}
return;
}
@ -78,51 +90,63 @@ sub GET :Allow {
sub PATCH :Allow {
my ($self, $c, $id) = @_;
$c->model('DB')->set_transaction_isolation('READ COMMITTED');
my $guard = $c->model('DB')->txn_scope_guard;
{
my $preference = $self->require_preference($c);
last unless $preference;
my $json = $self->get_valid_patch_data(
c => $c,
id => $id,
media_type => 'application/json-patch+json',
ops => [qw/add replace remove copy/],
);
last unless $json;
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, subscriberpreferences => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $old_resource = $self->get_resource($c, $subscriber, "subscribers");
my $resource = $self->apply_patch($c, $old_resource, $json);
last unless $resource;
# last param is "no replace" to NOT delete existing prefs
# for proper PATCH behavior
$subscriber = $self->update_item($c, $subscriber, $old_resource, $resource, 0, "subscribers");
last unless $subscriber;
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
last unless $self->add_update_journal_item_hal($c,$hal);
$guard->commit;
if ('minimal' eq $preference) {
$c->response->status(HTTP_NO_CONTENT);
$c->response->header(Preference_Applied => 'return=minimal');
$c->response->body(q());
} else {
#my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
$hal->http_headers,
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->header(Preference_Applied => 'return=representation');
$c->response->body($response->content);
TX_START:
$c->clear_errors;
try {
my $guard = $c->model('DB')->txn_scope_guard;
{
my $preference = $self->require_preference($c);
last unless $preference;
my $json = $self->get_valid_patch_data(
c => $c,
id => $id,
media_type => 'application/json-patch+json',
ops => [qw/add replace remove copy/],
);
last unless $json;
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, subscriberpreferences => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $old_resource = $self->get_resource($c, $subscriber, "subscribers");
my $resource = $self->apply_patch($c, $old_resource, $json);
last unless $resource;
# last param is "no replace" to NOT delete existing prefs
# for proper PATCH behavior
$subscriber = $self->update_item($c, $subscriber, $old_resource, $resource, 0, "subscribers");
last unless $subscriber;
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
last unless $self->add_update_journal_item_hal($c,$hal);
$guard->commit;
if ('minimal' eq $preference) {
$c->response->status(HTTP_NO_CONTENT);
$c->response->header(Preference_Applied => 'return=minimal');
$c->response->body(q());
} else {
#my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
$hal->http_headers,
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->header(Preference_Applied => 'return=representation');
$c->response->body($response->content);
}
}
} catch($e) {
if ($self->check_deadlock($c, $e)) {
goto TX_START;
}
unless ($c->has_errors) {
$self->error($c, HTTP_INTERNAL_SERVER_ERROR, 'Internal Server Error', $e);
last;
}
}
return;
@ -131,46 +155,58 @@ sub PATCH :Allow {
sub PUT :Allow {
my ($self, $c, $id) = @_;
$c->model('DB')->set_transaction_isolation('READ COMMITTED');
my $guard = $c->model('DB')->txn_scope_guard;
{
my $preference = $self->require_preference($c);
last unless $preference;
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, systemcontact => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $resource = $self->get_valid_put_data(
c => $c,
id => $id,
media_type => 'application/json',
);
last unless $resource;
my $old_resource = $self->get_resource($c, $subscriber, "subscribers");
# last param is "replace" to delete all existing prefs
# for proper PUT behavior
$subscriber = $self->update_item($c, $subscriber, $old_resource, $resource, 1, "subscribers");
last unless $subscriber;
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
last unless $self->add_update_journal_item_hal($c,$hal);
$guard->commit;
if ('minimal' eq $preference) {
$c->response->status(HTTP_NO_CONTENT);
$c->response->header(Preference_Applied => 'return=minimal');
$c->response->body(q());
} else {
#my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
$hal->http_headers,
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->header(Preference_Applied => 'return=representation');
$c->response->body($response->content);
TX_START:
$c->clear_errors;
try {
my $guard = $c->model('DB')->txn_scope_guard;
{
my $preference = $self->require_preference($c);
last unless $preference;
my $subscriber = $self->item_by_id($c, $id, "subscribers");
last unless $self->resource_exists($c, systemcontact => $subscriber);
my $balance = NGCP::Panel::Utils::ProfilePackages::get_contract_balance(c => $c,
contract => $subscriber->contract,
); #apply underrun lock level
my $resource = $self->get_valid_put_data(
c => $c,
id => $id,
media_type => 'application/json',
);
last unless $resource;
my $old_resource = $self->get_resource($c, $subscriber, "subscribers");
# last param is "replace" to delete all existing prefs
# for proper PUT behavior
$subscriber = $self->update_item($c, $subscriber, $old_resource, $resource, 1, "subscribers");
last unless $subscriber;
my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
last unless $self->add_update_journal_item_hal($c,$hal);
$guard->commit;
if ('minimal' eq $preference) {
$c->response->status(HTTP_NO_CONTENT);
$c->response->header(Preference_Applied => 'return=minimal');
$c->response->body(q());
} else {
#my $hal = $self->hal_from_item($c, $subscriber, "subscribers");
my $response = HTTP::Response->new(HTTP_OK, undef, HTTP::Headers->new(
$hal->http_headers,
), $hal->as_json);
$c->response->headers($response->headers);
$c->response->header(Preference_Applied => 'return=representation');
$c->response->body($response->content);
}
}
} catch($e) {
if ($self->check_deadlock($c, $e)) {
goto TX_START;
}
unless ($c->has_errors) {
$self->error($c, HTTP_INTERNAL_SERVER_ERROR, 'Internal Server Error', $e);
last;
}
}
return;

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