Report types v4

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Local/full PostgreSQL report

This type of report is useful when the server has a PostgreSQL cluster that's up, running, and accessible. In addition to all information that's gathered in the system-only report, it also gathers configurations and metrics from the PostgreSQL instance.

For this report, you need to run Lasso as the postgres or enterprisedb user.

Important

The same user that runs the Postgres server process must run the command. The user must have permission to write in the current working directory.

A standard Lasso run consists of:

    lasso

By default, Lasso tries to connect using Unix sockets, the default Postgres port (5432), the default database, and the user name (postgres). You can specify different values at the command line:

    lasso -p PORT DATABASE_NAME USER_NAME

By default, Lasso looks for a Unix socket under /var/run/postgresql/, but you can specify any socket listed by SHOW unix_socket_directories using the -H argument. For example, usually a Lasso report for the EDB Postgres Advanced Server is gathered with:

    lasso -H /tmp -p 5444 edb

If a password is required, it's a common practice to create a ~/.pgpass file for the postgres or enterprisedb operating system user. You can find more details about the .pgpass file in the PostgreSQL documentation. As Lasso connects to the database using libpq, then Lasso uses the .pgpass file as appropriate.

If the .pgpass file isn't found or a corresponding entry for the database connection doesn't exist in the .pgpass file, then Lasso prompts for a password. Alternatively, you can specify a password using the PGPASSWORD environment variable:

    PGPASSWORD=xxxx lasso -p PORT DATABASE_NAME USER_NAME

On Windows, typically you run Lasso like this:

    lasso-windows-X.Y.Z.exe -H IP_ADDRESS -p PORT --password PASSWORD DATABASE_NAME USER_NAME

For a list of all command line arguments detailed in Usage, run:

    lasso --help

You can specify Postgres settings in the Lasso configuration file, under the postgresql setting. For more details, see Configuration.

Important

When run on a local instance, Lasso requires a user that belongs to the pg_monitor role, which is available in Postgres 10 and later. For earlier versions of Postgres, you must run as a superuser. For more information, see Default Roles in the PostgreSQL documentation.

Lasso transparently gathers information related to all supported versions of EDB Postgres Distributed (PGD) and pglogical.

Remote/database-only PostgreSQL report

If you need to gather data from a remote PostgreSQL instance, you can run a remote PostgreSQL report.

As explained in Local/full PostgreSQL report, you can change the connection-string parameters of Lasso. For example, to gather a PostgreSQL report from a remote server located in the IP 192.168.0.10 running on port 5433, you can invoke Lasso from another server as follows:

    lasso -H 192.168.0.10 -p 5433

This type of report brings only PostgreSQL-related info from the PostgreSQL instance that Lasso was connected to. It means it can't gather files like postgresql.conf and pg_hba.conf. It also can't gather configurations and metrics from the underlying operational system or information from PostgreSQL-related tools, like EFM configuration files. With that in mind, we recommend running a local PostgreSQL report, if possible.

Important

This is the only option for gathering PostgreSQL information from an instance hosted on a DBaaS provider such as EDB Big Animal or Amazon RDS.

Important

This is the only option for gathering PostgreSQL information from an instance running under Kubernetes.

Barman report

Lasso can run on systems where Barman is installed. In that case, it gathers Barman-related information, as well as system information, that helps during analysis.

Important

You must run the command as the same user that runs the Barman process, and you must have enough permission to write in the current working directory. If you installed Barman using RPM/DEB packages, Barman is configured to run as the barman user.

The Barman report is enabled by default if Lasso runs as the barman user and looks for configuration files in the expected locations, typically /etc/barman.conf. Execute man 5 barman for details.

In general, if you installed Barman using EDB-certified RPM and DEB packages, all you need to do is execute Lasso as the barman user.

Managing custom installations of Barman

If you have custom installations of Barman, you can enable the barman report by passing the --barman option to Lasso:

    lasso --barman

You can also point to a specific global configuration file by using the --barman-configuration option:

    lasso --barman-configuration /opt/barman/barman.conf

Replication Manager (repmgr) report

Lasso can run on systems where repmgr is installed. In that case, it gathers repmgr-related information.

In general, if you installed repmgr using EDB-certified RPM and DEB packages, all you need to do is execute Lasso.

How Lasso finds the repmgr configuration file

Lasso uses the following approach while trying to identify the repmgr configuration file. It uses the first one it finds.

  1. Use the one provided to the --repmgr-configuration option, if given.
  2. Check the paths provided by packages. For example, in CentOS/RHEL packages, the configuration file is usually put under /etc/repmgr/<PG_VERSION>/repmgr.conf. Lasso inspects those folders, if they exist, in descending order, and uses the first repmgr configuration file that it finds.
  3. Check if a repmgr.conf file exists in the current directory.
  4. Check if a /etc/repmgr.conf file exists.
  5. Check the path given by pg_config --sysconfdir for the repmgr.conf file.
  6. Check the output of systemctl cat <service_name>, where <service_name> is any service whose name contains repmgr, and try to get the repmgr.conf file from the service unit file. It checks the units in descending order, just as it does in approach 2, and uses the first match.

Managing custom installations of repmgr

You can point to a specific repmgr configuration file by using the --repmgr-configuration option:

    lasso --repmgr-configuration /opt/repmgr/repmgr.conf

We recommend this approach, as it guarantees Lasso will use the correct repmgr configuration file instead of trying to find it.

Postgres Enterprise Manager (PEM) report

Lasso can run on systems where PEM is installed. In that case, it also gathers PEM-related information, like some configuration files and information about services.

Lasso inspects the well-known paths for configuration files as well as well-known service names. If you have custom PEM installations, Lasso doesn't gather the related information.

Failover Manager (EFM) report

Lasso can run on systems where EFM is installed. In that case, it gathers EFM-related information.

In general, if you installed EFM using EDB-certified RPM and DEB packages, all you need to do is execute Lasso.

How Lasso finds the EFM configuration file

Lasso uses the following approach while trying to identify the EFM configuration file. It uses the first one it finds.

  1. Use the one provided to the --efm-configuration option, if given.
  2. Check the paths provided by packages. The configuration file is usually put under /etc/edb/efm-<EFM_VERSION>/efm.properties. Lasso inspects those folders, if they exist, in descending order, and uses the first EFM configuration file that it finds.
  3. Check the output of systemctl cat <service_name>, where <service_name> is replaced with any service whose name starts with edb-efm-. Then try to get the efm.properties file from the service unit file. It checks the units in descending order, just as it does in approach 2, and uses the first match.

How Lasso finds the EFM binary

Lasso inspects the paths provided by packages. The binary file is usually put under /usr/edb/efm-<EFM_VERSION>/bin/efm. Lasso inspects these folders, if they exist, in descending order, and uses the first EFM binary file that it finds.

Managing custom installations of EFM

You can point to a specific EFM configuration file by using the --efm-configuration option:

    lasso --efm-configuration /opt/EFM/efm.properties

We recommend this approach, as it guarantees Lasso will use the correct EFM configuration file instead of trying to find it.

Replication Server (xDB) report

Lasso can run on systems where xDB is installed. In that case, it gathers xDB-related information.

In general, if you installed xDB using EDB-certified RPM packages or the bitrock installer, all you need to do is execute Lasso.

How Lasso finds the xDB configuration file

Lasso uses the following approach while trying to identify the xDB configuration files. It uses the first one it finds.

On Linux:

  1. Use the ones provided to the --xdb-pubserver-configuration and --xdb-subserver-configuration options, if given.
  2. Check the paths provided by xDB 7 RPM package and bitrock installer. The configuration files are usually put under /etc/edb/xdb/etc. Lasso inspects this folder, if it exists, and uses the xdb_pubserver.conf and xdb_subserver.conf files found under that folder.
  3. Check the paths provided by xDB 6 RPM package and bitrock installer, which are usually /usr/ppas-xdb-<XDB_VERSION>/etc and /opt/PostgreSQL/EnterpriseDB-xDBReplicationServer/etc, respectively. Lasso inspects these folders and, if they exist, uses the xdb_pubserver.conf and xdb_subserver.conf files found under the folder. In the case of RPM packages, as there can be a lot of folders, they're inspected from newest XDB version to oldest.

On Windows:

  1. Use the ones provided to the --xdb-pubserver-configuration and --xdb-subserver-configuration options, if given.
  2. Check the paths provided by xDB 7 packages. The configuration files are usually put under <drive>:\Program Files\edb\EnterpriseDB-xDBReplicationServer\etc. Lasso inspects this folder, if it exists, and uses the xdb_pubserver.conf and xdb_subserver.conf files found under that folder.
  3. Check the paths provided by xDB 7 packages. The configuration files are usually put under <drive>:\Program Files\PostgreSQL\EnterpriseDB-xDBReplicationServer\etc. Lasso inspects this folder, if it exists, and uses the xdb_pubserver.conf and xdb_subserver.conf files found under that folder.

How Lasso finds the xDB binary

Lasso uses the following approach while trying to identify the xDB binary file. It uses the first one it finds.

On Linux:

  1. Check the paths provided by the xDB 7 RPM package and bitrock installer. The binary files are usually put under /etc/edb/xdb/bin. Lasso inspects this folder, if it exists, and uses the edb-repcli.jar file found under that folder.
  2. Check the paths provided by the xDB 6 RPM package and bitrock installer, which are usually /usr/ppas-xdb-<XDB_VERSION>/bin and /opt/PostgreSQL/EnterpriseDB-xDBReplicationServer/bin, respectively. Lasso inspects these folders and, if they exist, uses the edb-repcli.jar file found under the folder. For RPM packages, as there can be a lot of folders, they're inspected from newest XDB version to oldest.

On Windows:

  1. Check the paths provided by the xDB 7 packages. The binary files are usually put under <drive>:\Program Files\edb\EnterpriseDB-xDBReplicationServer\bin. Lasso inspects this folder, if it exists, and uses the edb-repcli.jar file found under that folder.
  2. Check the paths provided by the xDB 7 packages. The binary files are usually put under <drive>:\Program Files\PostgreSQL\EnterpriseDB-xDBReplicationServer\bin. Lasso inspects this folder, if it exists, and uses the edb-repcli.jar file found under that folder.

Managing custom installations of xDB

You can point to a specific xDB publication or subscription server configuration file by using the --xdb-pubserver-configuration and --xdb-subserver-configuration options.

On Linux:

    lasso --xdb-pubserver-configuration /opt/xDB/pubserver.conf --xdb-subserver-configuration /opt/xDB/subserver.conf

On Windows:

    lasso-windows-X.Y.Z.exe --xdb-pubserver-configuration C:\\xDB\pubserver.conf --xdb-subserver-configuration C:\\xDB\subserver.conf

We recommend this approach, as it guarantees Lasso will use the correct xDB configuration files instead of trying to find it.

PgBouncer report

Lasso can run on systems where PgBouncer is installed. In that case, it gathers PgBouncer-related information.

In general, if you installed PgBouncer using EDB-certified RPM and DEB packages, and PgBouncer instances are up and running, all you need to do is execute Lasso.

How Lasso finds the PgBouncer configuration file

Lasso uses the list of running processes to identify the PgBouncer processes and uses the configuration file retrieved from there.

You can also specify one or more PgBouncer configuration files with the Lasso argument --pgbouncer-configuration. It's mainly useful in scenarios where a PgBouncer instance isn't running or if Lasso can't detect the configuration file from the process list.

Lasso collects information from all identified PgBouncer instances.

HARP report

Lasso can run on systems where HARP is installed. In that case, it gathers HARP-related information.

In general, if you installed HARP using EDB-certified RPM and DEB packages, all you need to do is execute Lasso.

How Lasso finds the HARP configuration file

Lasso uses the following approach while trying to identify the HARP configuration file. It uses the first one it finds.

  1. Use the one provided to the --harp-configuration option, if given.
  2. Check if the /etc/harp/config.yml file exists.

Managing custom installations of HARP

You can point to a specific HARP configuration file by using the --harp-configuration option:

    lasso --harp-configuration /opt/harp/config.yml

We recommend this approach, as it guarantees Lasso will use the correct HARP configuration file instead of trying to find it.

Running Lasso on a HARP proxy node

The HARP proxy nodes don't have a Postgres or EDB Postgres Advanced Server service running on them, as they're intended only as a proxy for connections coming in from the applications.

When using Lasso to gather information from a HARP proxy node, you must use the --system-only option so it doesn't try to connect to the database server.

PGD Proxy report

Lasso can be run on systems where PGD Proxy is installed. In that case, it gathers PGD Proxy-related information.

In general, if you installed PGD Proxy using EDB-certified RPM and DEB packages, all you need to do is execute Lasso.

How Lasso finds the PGD Proxy configuration file

Lasso uses the following approach while trying to identify the PGD Proxy configuration file. It uses the first one it finds.

  1. Use the one provided through --pgd-proxy-configuration option, if given
  2. Check if /etc/edb/pgd-proxy/pgd-proxy-config.yml file exists

Managing custom installations of PGD Proxy

You can point to a specific PGD Proxy configuration file by using the --pgd-proxy-configuration option:

    lasso --pgd-proxy-configuration /opt/pgd-proxy/config.yml

We recommend this approach, as it guarantees Lasso will use the correct PGD Proxy configuration file instead of trying to find it automatically.

Running Lasso on a PGD Proxy node

There are cases where the PGD Proxy nodes don't have a Postgres/EDB Postgres Advanced Server service running on them. They're intended only as a proxy for connections coming in from the applications.

When using Lasso to gather information from a standalone PGD Proxy node, you must use the --system-only option so it doesn't try to connect to the database server.

etcd report

Lasso can run on systems where etcd is installed. In that case, it gathers etcd-related information.

How Lasso finds the etcd configuration file

Lasso uses the following approach while trying to identify the etcd configuration file. It uses the first one it finds.

  1. Use the one provided to the --etcd-configuration option, if given.
  2. Check if the /etc/etcd/etcd.conf file exists.

System-only report

Lasso can also run on systems where Postgres or Barman aren't installed to gather all relevant information regarding the underlying operating system.

You can run a system-only report:

    lasso --system-only
Important

Despite the argument being called --system-only, in this mode, Lasso gathers information about all the aforementioned tools except PostgreSQL/EDB Postgres Advanced Server and Barman.

edb_wait_states report

For each database where the edb_wait_states extension is installed, Lasso gathers important performance information from this extension and includes it in the postgresql/dbs/DBNAME/edb_wait_states/ folder.

The edb_wait_states extension requires defining a sampling range for retrieving data, so Lasso exposes 2 arguments for defining the sampling range: --sampling-start and --sampling-end. For example:

    lasso --sampling-start "2024-02-06 13:30:00+0000" --sampling-end "2024-02-06 14:00:00+0000"

In this case, the timestamps are in UTC. It's possible to specify a different timezone. For example:

    lasso --sampling-start "2024-02-06 10:30:00-0300" --sampling-end "2024-02-06 11:00:00-0300"

These arguments are ignored if the edb_wait_states extension isn't installed.

If the edb_wait_states extension is installed and these arguments are omitted, then Lasso considers --sampling-start as 1 hour from now and --sampling-end as now.

For more details about the edb_wait_states extension, see the documentation.

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