wikiv1:upgrade_zabbix
Table of Contents
Upgrade Zabbix
Upgrade PostgreSQL
Checando o PostgreSQL Atual
$ sudo su - postgres $ psql
# select version(); version --------------------------------------------------------------------------------------------------------- PostgreSQL 13.7 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10), 64-bit (1 row)
# \db+ List of tablespaces Name | Owner | Location | Access privileges | Options | Size | Description ------------+----------+---------------+-------------------+---------+--------+------------- pg_default | postgres | | | | 23 MB | pg_global | postgres | | | | 567 kB | tbzabbix | postgres | /pgsql/zabbix | | | 46 MB |
# \l+ List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges | Size | Tablespace | Description -----------+----------+----------+-------------+-------------+-----------------------+---------+------------+-------------------------------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 7925 kB | pg_default | default administrative connection database template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres +| 7753 kB | pg_default | unmodifiable empty database | | | | | postgres=CTc/postgres | | | template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres +| 7753 kB | pg_default | default template for new databases | | | | | postgres=CTc/postgres | | | zabbix | zabbix | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 46 MB | tbzabbix | (4 rows)
# \du+ List of roles Role name | Attributes | Member of | Description -----------+------------------------------------------------------------+-----------+------------- postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {} | zabbix | | {} |
Fazendo upgrade do PostgreSQL
$ sudo dnf install postgresql14-server postgresql14-contrib timescaledb-2-postgresql-14
$ sudo postgresql-14-setup initdb
$ sudo vim /var/lib/pgsql/14/data/postgresql.conf [...] #port = 5432 # (change requires restart) port = 5433 # (change requires restart) [...]
$ sudo systemctl start postgresql-14
$ sudo su - postgres $ psql -p 5433
# select version(); version --------------------------------------------------------------------------------------------------------- PostgreSQL 14.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10), 64-bit (1 row) postgres=# show port; port ------ 5433 (1 row) postgres=# \l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres (3 rows) postgres=# \du List of roles Role name | Attributes | Member of -----------+------------------------------------------------------------+----------- postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {}
postgres=# \q $ ps -ef | grep postmaster postgres 6869 1 0 19:41 ? 00:00:01 /usr/pgsql-13/bin/postmaster -D /var/lib/pgsql/13/data/ postgres 10188 1 0 20:51 ? 00:00:00 /usr/pgsql-14/bin/postmaster -D /var/lib/pgsql/14/data/ postgres 10381 10222 0 20:55 pts/0 00:00:00 grep --color=auto postmaster
$ /usr/pgsql-13/bin/pg_ctl -D /var/lib/pgsql/13/data status pg_ctl: server is running (PID: 6869) /usr/pgsql-13/bin/postgres "-D" "/var/lib/pgsql/13/data/"
$ /usr/pgsql-14/bin/pg_ctl -D /var/lib/pgsql/14/data status pg_ctl: server is running (PID: 10188) /usr/pgsql-14/bin/postgres "-D" "/var/lib/pgsql/14/data/"
$ /usr/pgsql-13/bin/pg_ctl -D /var/lib/pgsql/13/data stop waiting for server to shut down.... done server stopped
$ /usr/pgsql-14/bin/pg_ctl -D /var/lib/pgsql/14/data stop waiting for server to shut down.... done server stopped
$ /usr/pgsql-14/bin/pg_upgrade --help pg_upgrade upgrades a PostgreSQL cluster to a different major version. Usage: pg_upgrade [OPTION]... Options: -b, --old-bindir=BINDIR old cluster executable directory -B, --new-bindir=BINDIR new cluster executable directory (default same directory as pg_upgrade) -c, --check check clusters only, don't change any data -d, --old-datadir=DATADIR old cluster data directory -D, --new-datadir=DATADIR new cluster data directory -j, --jobs=NUM number of simultaneous processes or threads to use -k, --link link instead of copying files to new cluster -o, --old-options=OPTIONS old cluster options to pass to the server -O, --new-options=OPTIONS new cluster options to pass to the server -p, --old-port=PORT old cluster port number (default 50432) -P, --new-port=PORT new cluster port number (default 50432) -r, --retain retain SQL and log files after success -s, --socketdir=DIR socket directory to use (default current dir.) -U, --username=NAME cluster superuser (default "postgres") -v, --verbose enable verbose internal logging -V, --version display version information, then exit --clone clone instead of copying files to new cluster -?, --help show this help, then exit Before running pg_upgrade you must: create a new database cluster (using the new version of initdb) shutdown the postmaster servicing the old cluster shutdown the postmaster servicing the new cluster When you run pg_upgrade, you must provide the following information: the data directory for the old cluster (-d DATADIR) the data directory for the new cluster (-D DATADIR) the "bin" directory for the old version (-b BINDIR) the "bin" directory for the new version (-B BINDIR) For example: pg_upgrade -d oldCluster/data -D newCluster/data -b oldCluster/bin -B newCluster/bin or $ export PGDATAOLD=oldCluster/data $ export PGDATANEW=newCluster/data $ export PGBINOLD=oldCluster/bin $ export PGBINNEW=newCluster/bin $ pg_upgrade Report bugs to <pgsql-bugs@lists.postgresql.org>. PostgreSQL home page: <https://www.postgresql.org/>
Upgrade do timescaledb
$ timescaledb-tune --pg-config=/usr/pgsql-14/bin/pg_config Using postgresql.conf at this path: /var/lib/pgsql/14/data/postgresql.conf Is this correct? [(y)es/(n)o]: y Writing backup to: /tmp/timescaledb_tune.backup202207191237 shared_preload_libraries needs to be updated Current: #shared_preload_libraries = '' Recommended: shared_preload_libraries = 'timescaledb' Is this okay? [(y)es/(n)o]: y success: shared_preload_libraries will be updated Tune memory/parallelism/WAL and other settings? [(y)es/(n)o]: y Recommendations based on 3.56 GB of available memory and 2 CPUs for PostgreSQL 14 Memory settings recommendations Current: shared_buffers = 128MB #effective_cache_size = 4GB #maintenance_work_mem = 64MB #work_mem = 4MB Recommended: shared_buffers = 932008kB effective_cache_size = 2730MB maintenance_work_mem = 466004kB work_mem = 9320kB Is this okay? [(y)es/(s)kip/(q)uit]: y success: memory settings will be updated Parallelism settings recommendations Current: missing: timescaledb.max_background_workers #max_worker_processes = 8 #max_parallel_workers_per_gather = 2 #max_parallel_workers = 8 Recommended: timescaledb.max_background_workers = 8 max_worker_processes = 13 max_parallel_workers_per_gather = 1 max_parallel_workers = 2 Is this okay? [(y)es/(s)kip/(q)uit]: y success: parallelism settings will be updated WAL settings recommendations Current: #wal_buffers = -1 min_wal_size = 80MB Recommended: wal_buffers = 16MB min_wal_size = 512MB Is this okay? [(y)es/(s)kip/(q)uit]: y success: WAL settings will be updated Miscellaneous settings recommendations Current: #default_statistics_target = 100 #random_page_cost = 4.0 #checkpoint_completion_target = 0.9 max_connections = 100 #max_locks_per_transaction = 64 #autovacuum_max_workers = 3 #autovacuum_naptime = 1min #effective_io_concurrency = 1 Recommended: default_statistics_target = 500 random_page_cost = 1.1 checkpoint_completion_target = 0.9 max_connections = 50 max_locks_per_transaction = 64 autovacuum_max_workers = 10 autovacuum_naptime = 10 effective_io_concurrency = 256 Is this okay? [(y)es/(s)kip/(q)uit]: y success: miscellaneous settings will be updated Saving changes to: /var/lib/pgsql/14/data/postgresql.conf
$ /usr/pgsql-14/bin/pg_upgrade --old-datadir "/var/lib/pgsql/13/data" --new-datadir "/var/lib/pgsql/14/data" --old-bindir "/usr/pgsql-13/bin" --new-bindir "/usr/pgsql-14/bin" Performing Consistency Checks ----------------------------- Checking cluster versions ok Checking database user is the install user ok Checking database connection settings ok Checking for prepared transactions ok Checking for system-defined composite types in user tables ok Checking for reg* data types in user tables ok Checking for contrib/isn with bigint-passing mismatch ok Checking for user-defined encoding conversions ok Checking for user-defined postfix operators ok Creating dump of global objects ok Creating dump of database schemas ok Checking for presence of required libraries ok Checking database user is the install user ok Checking for prepared transactions ok Checking for new cluster tablespace directories ok If pg_upgrade fails after this point, you must re-initdb the new cluster before continuing. Performing Upgrade ------------------ Analyzing all rows in the new cluster ok Freezing all rows in the new cluster ok Deleting files from new pg_xact ok Copying old pg_xact to new server ok Setting oldest XID for new cluster ok Setting next transaction ID and epoch for new cluster ok Deleting files from new pg_multixact/offsets ok Copying old pg_multixact/offsets to new server ok Deleting files from new pg_multixact/members ok Copying old pg_multixact/members to new server ok Setting next multixact ID and offset for new cluster ok Resetting WAL archives ok Setting frozenxid and minmxid counters in new cluster ok Restoring global objects in the new cluster ok Restoring database schemas in the new cluster ok Copying user relation files ok Setting next OID for new cluster ok Sync data directory to disk ok Creating script to delete old cluster ok Checking for extension updates ok Upgrade Complete ---------------- Optimizer statistics are not transferred by pg_upgrade. Once you start the new server, consider running: /usr/pgsql-14/bin/vacuumdb --all --analyze-in-stages Running this script will delete the old cluster's data files: ./delete_old_cluster.sh
$ vim 14/data/postgresql.conf [...] port = 5432 # (change requires restart) #port = 5433 # (change requires restart) [...]
$ /usr/pgsql-14/bin/pg_ctl -D /var/lib/pgsql/14/data start waiting for server to start....2022-07-19 12:45:13.782 UTC [49292] LOG: redirecting log output to logging collector process 2022-07-19 12:45:13.782 UTC [49292] HINT: Future log output will appear in directory "log". done server started
$ psql psql (14.4) Type "help" for help. postgres=# select version(); version --------------------------------------------------------------------------------------------------------- PostgreSQL 14.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-10), 64-bit (1 row) postgres=# \l+ List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges | Size | Tablespace | Description -----------+----------+----------+-------------+-------------+-----------------------+---------+------------+-------------------------------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 8569 kB | pg_default | default administrative connection database template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres +| 8593 kB | pg_default | unmodifiable empty database | | | | | postgres=CTc/postgres | | | template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | postgres=CTc/postgres+| 8569 kB | pg_default | default template for new databases | | | | | =c/postgres | | | zabbix | zabbix | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 60 MB | tbzabbix | (4 rows) postgres=# \db+ List of tablespaces Name | Owner | Location | Access privileges | Options | Size | Description ------------+----------+---------------+-------------------+---------+--------+------------- pg_default | postgres | | | | 25 MB | pg_global | postgres | | | | 568 kB | tbzabbix | postgres | /pgsql/zabbix | | | 60 MB | (3 rows) postgres=# \du+ List of roles Role name | Attributes | Member of | Description -----------+------------------------------------------------------------+-----------+------------- postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {} | zabbix | | {} |
Atualizando o acesso do zabbix
$ vim /var/lib/pgsql/13/data/pg_hba.conf [...] # Acesso Zabbix host zabbix zabbix 127.0.0.1/32 scram-sha-256 host zabbix zabbix 10.0.240.0/24 scram-sha-256
$ vim /var/lib/pgsql/13/data/postgresql.conf [...] listen_addresses = 'localhost,10.0.240.100' [...]
$ /usr/pgsql-14/bin/pg_ctl -D /var/lib/pgsql/14/data stop
$ exit $ sudo systemctl start postgresql-14 $ sudo systemctl enable postgresql-14 $ sudo systemctl disable postgresql-13
Upgrade do zabbix server
$ sudo systemctl stop zabbix-server $ sudo systemctl stop zabbix-agent2
$ sudo rpm -Uvh https://repo.zabbix.com/zabbix/6.2/rhel/8/x86_64/zabbix-release-6.2-1.el8.noarch.rpm Retrieving https://repo.zabbix.com/zabbix/6.2/rhel/8/x86_64/zabbix-release-6.2-1.el8.noarch.rpm Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:zabbix-release-6.2-1.el8 ################################# [ 50%] Cleaning up / removing... 2:zabbix-release-6.0-2.el8 ################################# [100%]
$ sudo dnf clean all
$ sudo dnf upgrade zabbix-server-pgsql zabbix-agent2 zabbix-selinux-policy zabbix-sql-scripts
$ sudo systemctl start zabbix-server $ sudo systemctl start zabbix-agent2
$ cat /var/log/zabbix/zabbix_server.log | grep database | tail -n 4 10586:20220719:132353.438 completed 97% of database upgrade 10586:20220719:132353.449 completed 98% of database upgrade 10586:20220719:132353.458 completed 100% of database upgrade 10586:20220719:132353.460 database upgrade fully completed
Upgrade zabbix web
$ sudo rpm -Uvh https://repo.zabbix.com/zabbix/6.2/rhel/8/x86_64/zabbix-release-6.2-1.el8.noarch.rpm Retrieving https://repo.zabbix.com/zabbix/6.2/rhel/8/x86_64/zabbix-release-6.2-1.el8.noarch.rpm Verifying... ################################# [100%] Preparing... ################################# [100%] Updating / installing... 1:zabbix-release-6.2-1.el8 ################################# [ 50%] Cleaning up / removing... 2:zabbix-release-6.0-2.el8 ################################# [100%]
$ sudo dnf clean all
$ sudo dnf upgrade zabbix-web-pgsql zabbix-apache-conf zabbix-agent2 zabbix-selinux-policy
$ sudo systemctl restart httpd
Referências
wikiv1/upgrade_zabbix.txt · Last modified: by 127.0.0.1