通过SHELL安装PostgreSQL提升工作效率。
前言
通过shell脚本方式简化工作中常态化安装，提升安装的效率，降低手动安装的成本以及误操作。
1 软件下载
UUID
ftp://ftp.ossp.org/pkg/lib/uuid/uuid-1.6.2.tar.gz
PostgreSQL 9.6
https://ftp.postgresql.org/pub/source/v9.6.0/postgresql-9.6.0.tar.gz
2 安装脚本
[root]# cat pg-install.sh
#!/bin/bash set -e #操作系统CentOS 7上用过 #测试安装过PostgreSQL 9.6 #安装步骤： #第1步：配置操作系统参数 #第2步：安装PG依赖包 #第3步：创建操作系统用户postgres #第4步：安装UUID #第5步：源码安装PG数据库 #第6步：安装CONTRIB工具 #第7步：初始化PG、配置PGDATA #第8步：配置归档目录 #第9步：配置postgresql.conf参数文件 #第10步：配置pg_hba.conf认证文件 #第11步：启动PG数据库 #第12步：修改PG数据库postgres用户密码，创建流复制用户repl #定义环境变量 DEFAULT_PG_PASSWD="Z2OrB2#mGkNuaj5j0" DEFAULT_PG_PORT="5432" DEFAULT_PGDATA="/data/postgres" CURRENT_PATH=`pwd` #配置操作系统部分参数 SYSTEM_PARAMETER_UPDATE() { echo "========================================操作系统参数调整===================================" #Linux IO调度 for disk_name in `ls /sys/block/` do echo deadline > /sys/block/$disk_name/queue/scheduler done #大页 echo never >> /sys/kernel/mm/transparent_hugepage/enabled echo never >> /sys/kernel/mm/transparent_hugepage/defrag #资源池限制 cat >> /etc/security/limits.conf <<EOF * soft nproc 655350 * hard nproc 655350 * soft nofile 655350 * hard nofile 655350 EOF echo "fs.file-max=655350" >> /etc/sysctl.conf #关闭SWAP echo "vm.swappiness=0" >> /etc/sysctl.conf #脏页清除策略 echo "5" > /proc/sys/vm/dirty_background_ratio echo "10" > /proc/sys/vm/dirty_ratio } #安装PG数据库的依赖包 YUM_INSTALL_DEPEND() { echo "==========================================安装依赖包===================================" yum install -y perl-ExtUtils-Embed python-devel bison flex readline-devel zlib-devel wget gcc gcc-c++ } #创建系统用户postgres、配置环境变量 ADD_USER() { echo "========================================创建postgres用户===============================" if read -t 30 -p "(Please input postgres's password(default password:$DEFAULT_PG_PASSWD):" PASSWD then if [ "$PASSWD" = "" ] then PASSWD="$DEFAULT_PG_PASSWD" fi else PASSWD="$DEFAULT_PG_PASSWD" fi useradd postgres echo "$PASSWD" | passwd postgres --stdin cat >> /home/postgres/.bashrc << EOF export PGDATA=/usr/local/pgsql/data export PATH=/usr/local/pgsql/bin:\$PATH export LD_LIBRARY_PATH=/usr/local/pgsql/lib EOF cat >> /root/.bashrc << EOF export PGDATA=/usr/local/pgsql/data export PATH=/usr/local/pgsql/bin:\$PATH export LD_LIBRARY_PATH=/usr/local/pgsql/lib EOF } #是否下载UUID包、安装UUID OSSP UUID_OSSP() { echo "=======================================是否下载UUID安装包===============================" if read -t 10 -p "Do you download the UUID package(y/n)?" WGET_VALUE_1 then if [ "$WGET_VALUE_1" = "y" ] then wget ftp://ftp.ossp.org/pkg/lib/uuid/uuid-1.6.2.tar.gz fi else WGET_VALUE_1="n" fi echo "===========================================安装UUID OSSP================================" cd $CURRENT_PATH tar -zxvf uuid-1.6.2.tar.gz cd uuid-1.6.2 ./configure --with-uuid=ossp make && make install } #是否下载PG安装包、源码安装PG数据库 INSTALL_PG() { echo "=========================================下载PG源码包==================================" if read -t 10 -p "Do you download the PostgreSQL installation package(y/n)?" WGET_VALUE_2 then if [ "$WGET_VALUE_2" = "y" ] then wget https://ftp.postgresql.org/pub/source/v9.6.0/postgresql-9.6.0.tar.gz fi else WGET_VALUE_2="n" fi echo "==========================================安装postgres=================================" cd $CURRENT_PATH tar -zxf postgresql-9.6.0.tar.gz pack_path=$(pwd) cd postgresql-9.6.0 ./configure --prefix=/usr/local/postgresql-9.6.0 --with-perl --with-python --enable-thread-safety --with-uuid=ossp --with-wal-segsize=64 make && make install ln -s /usr/local/postgresql-9.6.0/ /usr/local/pgsql chown -R postgres:postgres /usr/local/postgresql-9.6.0 chown -R postgres:postgres /usr/local/pgsql #软链接libuuid.so.16 ln -s /usr/local/lib/libuuid.so.16 /usr/local/pgsql/lib/ } #安装contrib工具 INSTALL_CONTRIB() { echo "=========================================安装contrib工具===============================" cd $pack_path/postgresql-9.6.0/contrib make && make install } #初始化PG,PGDATA默认是/data/postgres然后软链接为/usr/local/pgsql/data INIT_PG() { echo "===========================================initdb初始化================================" if read -p "(Please input PGDATA for PostgreSQL,default:$DEFAULT_PGDATA):" PGDATA then if [ "$PGDATA" = "" ] then PGDATA=$DEFAULT_PGDATA fi #else # PGDATA=$PGDATA fi #创建PGDATA数据目录 mkdir -p $PGDATA chown -R postgres:postgres $PGDATA if [ $PGDATA != "/usr/local/pgsql/data" ]; then ln -s $PGDATA /usr/local/pgsql/data chown -R postgres:postgres /usr/local/pgsql/data fi #初始化PG su - postgres <<EOF initdb -D $PGDATA -k EOF } #创建归档目录，与postgres.conf参数文件中的archive_command相关 PG_LOG_ARCH() { echo "===========================================创建归档目录================================" mkdir -p $PGDATA/arch_log chown -R postgres:postgres $PGDATA/arch_log #cat >> $PGDATA/arch.sh << EOF #cp --preserve=timestamps \$2 $PGDATA/arch_log/\$1 ; find $PGDATA/arch_log -type f -mtime +30 -exec rm -f {} ; >>arch.log #EOF #chown -R postgres:postgres $PGDATA/arch.sh #chmod 755 $PGDATA/arch.sh } #配置PG数据库参数配置文件postgresql.conf POSTGRESQL_CONF() { echo "=======================================配置postgresql.conf=============================" if [ -f $PGDATA/postgresql.conf ] then cp $PGDATA/postgresql.conf $PGDATA/postgresql.conf_$(date +%Y%m%d%H) chown postgres:postgres $PGDATA/postgresql.conf_$(date +%Y%m%d%H) fi cat > $PGDATA/postgresql.conf << EOF # ----------------------------- # PostgreSQL configuration file # ----------------------------- # # This file consists of lines of the form: # # name = value # # (The "=" is optional.) Whitespace may be used. Comments are introduced with # "#" anywhere on a line. The complete list of parameter names and allowed # values can be found in the PostgreSQL documentation. # # The commented-out settings shown in this file represent the default values. # Re-commenting a setting is NOT sufficient to revert it to the default value; # you need to reload the server. # # This file is read on server startup and when the server receives a SIGHUP # signal. If you edit the file on a running system, you have to SIGHUP the # server for the changes to take effect, or use "pg_ctl reload". Some # parameters, which are marked below, require a server shutdown and restart to # take effect. # # Any parameter can also be given as a command-line option to the server, e.g., # "postgres -c log_connections=on". Some parameters can be changed at run time # with the "SET" SQL command. # # Memory units: kB = kilobytes Time units: ms = milliseconds # MB = megabytes s = seconds # GB = gigabytes min = minutes # TB = terabytes h = hours # d = days #------------------------------------------------------------------------------ # FILE LOCATIONS #------------------------------------------------------------------------------ # The default values of these variables are driven from the -D command-line # option or PGDATA environment variable, represented here as ConfigDir. #data_directory = 'ConfigDir' # use data in another directory # (change requires restart) #hba_file = 'ConfigDir/pg_hba.conf' # host-based authentication file # (change requires restart) #ident_file = 'ConfigDir/pg_ident.conf' # ident configuration file # (change requires restart) # If external_pid_file is not explicitly set, no extra PID file is written. #external_pid_file = '' # write an extra PID file # (change requires restart) #------------------------------------------------------------------------------ # CONNECTIONS AND AUTHENTICATION #------------------------------------------------------------------------------ # - Connection Settings - listen_addresses = '*' # what IP address(es) to listen on; # comma-separated list of addresses; # defaults to 'localhost'; use '*' for all # (change requires restart) port = $DEFAULT_PG_PORT # (change requires restart) max_connections = 500 # (change requires restart) superuser_reserved_connections = 5 # (change requires restart) #unix_socket_directories = '/tmp' # comma-separated list of directories # (change requires restart) #unix_socket_group = '' # (change requires restart) #unix_socket_permissions = 0777 # begin with 0 to use octal notation # (change requires restart) #bonjour = off # advertise server via Bonjour # (change requires restart) #bonjour_name = '' # defaults to the computer name # (change requires restart) # - Security and Authentication - #authentication_timeout = 1min # 1s-600s #ssl = off # (change requires restart) #ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL' # allowed SSL ciphers # (change requires restart) #ssl_prefer_server_ciphers = on # (change requires restart) #ssl_ecdh_curve = 'prime256v1' # (change requires restart) #ssl_cert_file = 'server.crt' # (change requires restart) #ssl_key_file = 'server.key' # (change requires restart) #ssl_ca_file = '' # (change requires restart) #ssl_crl_file = '' # (change requires restart) #password_encryption = on #db_user_namespace = off #row_security = on # GSSAPI using Kerberos #krb_server_keyfile = '' #krb_caseins_users = off # - TCP Keepalives - # see "man 7 tcp" for details tcp_keepalives_idle = 180 # TCP_KEEPIDLE, in seconds; # 0 selects the system default tcp_keepalives_interval = 10 # TCP_KEEPINTVL, in seconds; # 0 selects the system default tcp_keepalives_count = 5 # TCP_KEEPCNT; # 0 selects the system default #------------------------------------------------------------------------------ # RESOURCE USAGE (except WAL) #------------------------------------------------------------------------------ # - Memory - shared_buffers = 1024MB # min 128kB # (change requires restart) #huge_pages = try # on, off, or try # (change requires restart) temp_buffers = 64MB # min 800kB #max_prepared_transactions = 0 # zero disables the feature # (change requires restart) # Caution: it is not advisable to set max_prepared_transactions nonzero unless # you actively intend to use prepared transactions. work_mem = 8MB # min 64kB maintenance_work_mem = 64MB # min 1MB #replacement_sort_tuples = 150000 # limits use of replacement selection sort #autovacuum_work_mem = -1 # min 1MB, or -1 to use maintenance_work_mem #max_stack_depth = 2MB # min 100kB dynamic_shared_memory_type = posix # the default is the first option # supported by the operating system: # posix # sysv # windows # mmap # use none to disable dynamic shared memory # (change requires restart) # - Disk - #temp_file_limit = -1 # limits per-process temp file space # in kB, or -1 for no limit # - Kernel Resource Usage - #max_files_per_process = 1000 # min 25 # (change requires restart) #shared_preload_libraries = '' # (change requires restart) # - Cost-Based Vacuum Delay - #vacuum_cost_delay = 0 # 0-100 milliseconds #vacuum_cost_page_hit = 1 # 0-10000 credits #vacuum_cost_page_miss = 10 # 0-10000 credits #vacuum_cost_page_dirty = 20 # 0-10000 credits #vacuum_cost_limit = 200 # 1-10000 credits # - Background Writer - #bgwriter_delay = 200ms # 10-10000ms between rounds #bgwriter_lru_maxpages = 100 # 0-1000 max buffers written/round #bgwriter_lru_multiplier = 2.0 # 0-10.0 multiplier on buffers scanned/round #bgwriter_flush_after = 512kB # measured in pages, 0 disables # - Asynchronous Behavior - #effective_io_concurrency = 1 # 1-1000; 0 disables prefetching #max_worker_processes = 8 # (change requires restart) #max_parallel_workers_per_gather = 0 # taken from max_worker_processes #old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate # (change requires restart) #backend_flush_after = 0 # measured in pages, 0 disables #------------------------------------------------------------------------------ # WRITE AHEAD LOG #------------------------------------------------------------------------------ # - Settings - wal_level = replica # minimal, replica, or logical # (change requires restart) #fsync = on # flush data to disk for crash safety # (turning this off can cause # unrecoverable data corruption) synchronous_commit = on # synchronization level; # off, local, remote_write, remote_apply, or on #wal_sync_method = fsync # the default is the first option # supported by the operating system: # open_datasync # fdatasync (default on Linux and FreeBSD) # fsync # fsync_writethrough # open_sync full_page_writes = on # recover from partial page writes #wal_compression = off # enable compression of full-page writes wal_log_hints = on # also do full page writes of non-critical updates # (change requires restart) wal_buffers = 1024 # min 32kB, -1 sets based on shared_buffers # (change requires restart) #wal_writer_delay = 200ms # 1-10000 milliseconds #wal_writer_flush_after = 1MB # measured in pages, 0 disables #commit_delay = 0 # range 0-100000, in microseconds #commit_siblings = 5 # range 1-1000 # - Checkpoints - #checkpoint_timeout = 5min # range 30s-1d #max_wal_size = 1GB #min_wal_size = 80MB #checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0 #checkpoint_flush_after = 256kB # measured in pages, 0 disables #checkpoint_warning = 30s # 0 disables # - Archiving - archive_mode = on # enables archiving; off, on, or always # (change requires restart) #archive_command = '/bin/bash arch.sh %f %p' archive_command = 'cp %p /usr/local/pgsql/data/arch_log/%f && find /usr/local/pgsql/data/arch_log -type f -mtime 30 | xargs rm -fr' # command to use to archive a logfile segment # placeholders: %p = path of file to archive # %f = file name only # e.g. 'test ! -f /mnt/server/archivedir/%f && cp %p /mnt/server/archivedir/%f' archive_timeout = 1800 # force a logfile segment switch after this # number of seconds; 0 disables #------------------------------------------------------------------------------ # REPLICATION #------------------------------------------------------------------------------ # - Sending Server(s) - # Set these on the master and on any standby that will send replication data. max_wal_senders = 8 # max number of walsender processes # (change requires restart) wal_keep_segments = 100 # in logfile segments, 16MB each; 0 disables #wal_sender_timeout = 60s # in milliseconds; 0 disables #max_replication_slots = 0 # max number of replication slots # (change requires restart) #track_commit_timestamp = off # collect timestamp of transaction commit # (change requires restart) # - Master Server - # These settings are ignored on a standby server. #synchronous_standby_names = '' # standby servers that provide sync rep # number of sync standbys and comma-separated list of application_name # from standby(s); '*' = all #vacuum_defer_cleanup_age = 0 # number of xacts by which cleanup is delayed # - Standby Servers - # These settings are ignored on a master server. hot_standby = on # "on" allows queries during recovery # (change requires restart) #max_standby_archive_delay = 30s # max delay before canceling queries # when reading WAL from archive; # -1 allows indefinite delay #max_standby_streaming_delay = 30s # max delay before canceling queries # when reading streaming WAL; # -1 allows indefinite delay #wal_receiver_status_interval = 10s # send replies at least this often # 0 disables #hot_standby_feedback = off # send info from standby to prevent # query conflicts #wal_receiver_timeout = 60s # time that receiver waits for # communication from master # in milliseconds; 0 disables #wal_retrieve_retry_interval = 5s # time to wait before retrying to # retrieve WAL after a failed attempt #------------------------------------------------------------------------------ # QUERY TUNING #------------------------------------------------------------------------------ # - Planner Method Configuration - #enable_bitmapscan = on #enable_hashagg = on #enable_hashjoin = on #enable_indexscan = on #enable_indexonlyscan = on #enable_material = on #enable_mergejoin = on #enable_nestloop = on #enable_seqscan = on #enable_sort = on #enable_tidscan = on # - Planner Cost Constants - #seq_page_cost = 1.0 # measured on an arbitrary scale #random_page_cost = 4.0 # same scale as above #cpu_tuple_cost = 0.01 # same scale as above #cpu_index_tuple_cost = 0.005 # same scale as above #cpu_operator_cost = 0.0025 # same scale as above #parallel_tuple_cost = 0.1 # same scale as above #parallel_setup_cost = 1000.0 # same scale as above #min_parallel_relation_size = 8MB #effective_cache_size = 4GB # - Genetic Query Optimizer - #geqo = on #geqo_threshold = 12 #geqo_effort = 5 # range 1-10 #geqo_pool_size = 0 # selects default based on effort #geqo_generations = 0 # selects default based on effort #geqo_selection_bias = 2.0 # range 1.5-2.0 #geqo_seed = 0.0 # range 0.0-1.0 # - Other Planner Options - #default_statistics_target = 100 # range 1-10000 #constraint_exclusion = partition # on, off, or partition #cursor_tuple_fraction = 0.1 # range 0.0-1.0 #from_collapse_limit = 8 #join_collapse_limit = 8 # 1 disables collapsing of explicit # JOIN clauses #force_parallel_mode = off #------------------------------------------------------------------------------ # ERROR REPORTING AND LOGGING #------------------------------------------------------------------------------ # - Where to Log - log_destination = 'stderr' # Valid values are combinations of # stderr, csvlog, syslog, and eventlog, # depending on platform. csvlog # requires logging_collector to be on. # This is used when logging to stderr: logging_collector = on # Enable capturing of stderr and csvlog # into log files. Required to be on for # csvlogs. # (change requires restart) # These are only used if logging_collector is on: log_directory = 'pg_log' # directory where log files are written, # can be absolute or relative to PGDATA log_filename = 'postgresql-%a.log' # log file name pattern, # can include strftime() escapes #log_file_mode = 0600 # creation mode for log files, # begin with 0 to use octal notation log_truncate_on_rotation = on # If on, an existing log file with the # same name as the new log file will be # truncated rather than appended to. # But such truncation only occurs on # time-driven rotation, not on restarts # or size-driven rotation. Default is # off, meaning append to existing files # in all cases. log_rotation_age = 1d # Automatic rotation of logfiles will # happen after that time. 0 disables. log_rotation_size = 100MB # Automatic rotation of logfiles will # happen after that much log output. # 0 disables. # These are relevant when logging to syslog: #syslog_facility = 'LOCAL0' #syslog_ident = 'postgres' #syslog_sequence_numbers = on #syslog_split_messages = on # This is only relevant when logging to eventlog (win32): # (change requires restart) #event_source = 'PostgreSQL' # - When to Log - log_min_messages = warning # values in order of decreasing detail: # debug5 # debug4 # debug3 # debug2 # debug1 # info # notice # warning # error # log # fatal # panic #log_min_error_statement = error # values in order of decreasing detail: # debug5 # debug4 # debug3 # debug2 # debug1 # info # notice # warning # error # log # fatal # panic (effectively off) log_min_duration_statement = 0 # -1 is disabled, 0 logs all statements # and their durations, > 0 logs only # statements running at least this number # of milliseconds # - What to Log - #debug_print_parse = off #debug_print_rewritten = off #debug_print_plan = off #debug_pretty_print = on #log_checkpoints = off #log_connections = off #log_disconnections = off #log_duration = off #log_error_verbosity = default # terse, default, or verbose messages log_hostname = on #log_line_prefix = '' # special values: # %a = application name # %u = user name # %d = database name # %r = remote host and port # %h = remote host # %p = process ID # %t = timestamp without milliseconds # %m = timestamp with milliseconds # %n = timestamp with milliseconds (as a Unix epoch) # %i = command tag # %e = SQL state # %c = session ID # %l = session line number # %s = session start timestamp # %v = virtual transaction ID # %x = transaction ID (0 if none) # %q = stop here in non-session # processes # %% = '%' # e.g. '<%u%%%d> ' log_lock_waits = on # log lock waits >= deadlock_timeout log_statement = 'mod' # none, ddl, mod, all #log_replication_commands = off #log_temp_files = -1 # log temporary files equal or larger # than the specified size in kilobytes; # -1 disables, 0 logs all temp files log_timezone = 'PRC' # - Process Title - #cluster_name = '' # added to process titles if nonempty # (change requires restart) #update_process_title = on #------------------------------------------------------------------------------ # RUNTIME STATISTICS #------------------------------------------------------------------------------ # - Query/Index Statistics Collector - #track_activities = on #track_counts = on #track_io_timing = off #track_functions = none # none, pl, all #track_activity_query_size = 1024 # (change requires restart) #stats_temp_directory = 'pg_stat_tmp' # - Statistics Monitoring - #log_parser_stats = off #log_planner_stats = off #log_executor_stats = off #log_statement_stats = off #------------------------------------------------------------------------------ # AUTOVACUUM PARAMETERS #------------------------------------------------------------------------------ #autovacuum = on # Enable autovacuum subprocess? 'on' # requires track_counts to also be on. #log_autovacuum_min_duration = -1 # -1 disables, 0 logs all actions and # their durations, > 0 logs only # actions running at least this number # of milliseconds. #autovacuum_max_workers = 3 # max number of autovacuum subprocesses # (change requires restart) #autovacuum_naptime = 1min # time between autovacuum runs #autovacuum_vacuum_threshold = 50 # min number of row updates before # vacuum #autovacuum_analyze_threshold = 50 # min number of row updates before # analyze #autovacuum_vacuum_scale_factor = 0.2 # fraction of table size before vacuum #autovacuum_analyze_scale_factor = 0.1 # fraction of table size before analyze #autovacuum_freeze_max_age = 200000000 # maximum XID age before forced vacuum # (change requires restart) #autovacuum_multixact_freeze_max_age = 400000000 # maximum multixact age # before forced vacuum # (change requires restart) #autovacuum_vacuum_cost_delay = 20ms # default vacuum cost delay for # autovacuum, in milliseconds; # -1 means use vacuum_cost_delay #autovacuum_vacuum_cost_limit = -1 # default vacuum cost limit for # autovacuum, -1 means use # vacuum_cost_limit #------------------------------------------------------------------------------ # CLIENT CONNECTION DEFAULTS #------------------------------------------------------------------------------ # - Statement Behavior - #client_min_messages = notice # values in order of decreasing detail: # debug5 # debug4 # debug3 # debug2 # debug1 # log # notice # warning # error #search_path = '"$user", public' # schema names #default_tablespace = '' # a tablespace name, '' uses the default #temp_tablespaces = '' # a list of tablespace names, '' uses # only default tablespace #check_function_bodies = on #default_transaction_isolation = 'read committed' #default_transaction_read_only = off #default_transaction_deferrable = off #session_replication_role = 'origin' #statement_timeout = 0 # in milliseconds, 0 is disabled #lock_timeout = 0 # in milliseconds, 0 is disabled #idle_in_transaction_session_timeout = 0 # in milliseconds, 0 is disabled #vacuum_freeze_min_age = 50000000 #vacuum_freeze_table_age = 150000000 #vacuum_multixact_freeze_min_age = 5000000 #vacuum_multixact_freeze_table_age = 150000000 #bytea_output = 'hex' # hex, escape #xmlbinary = 'base64' #xmloption = 'content' #gin_fuzzy_search_limit = 0 #gin_pending_list_limit = 4MB # - Locale and Formatting - datestyle = 'iso, mdy' #intervalstyle = 'postgres' timezone = 'PRC' #timezone_abbreviations = 'Default' # Select the set of available time zone # abbreviations. Currently, there are # Default # Australia (historical usage) # India # You can create your own file in # share/timezonesets/. #extra_float_digits = 0 # min -15, max 3 #client_encoding = sql_ascii # actually, defaults to database # encoding # These settings are initialized by initdb, but they can be changed. lc_messages = 'en_US.UTF-8' # locale for system error message # strings lc_monetary = 'en_US.UTF-8' # locale for monetary formatting lc_numeric = 'en_US.UTF-8' # locale for number formatting lc_time = 'en_US.UTF-8' # locale for time formatting # default configuration for text search default_text_search_config = 'pg_catalog.english' # - Other Defaults - #dynamic_library_path = '$libdir' #local_preload_libraries = '' #session_preload_libraries = '' #------------------------------------------------------------------------------ # LOCK MANAGEMENT #------------------------------------------------------------------------------ #deadlock_timeout = 1s #max_locks_per_transaction = 64 # min 10 # (change requires restart) #max_pred_locks_per_transaction = 64 # min 10 # (change requires restart) #------------------------------------------------------------------------------ # VERSION/PLATFORM COMPATIBILITY #------------------------------------------------------------------------------ # - Previous PostgreSQL Versions - #array_nulls = on #backslash_quote = safe_encoding # on, off, or safe_encoding #default_with_oids = off #escape_string_warning = on #lo_compat_privileges = off #operator_precedence_warning = off #quote_all_identifiers = off #sql_inheritance = on #standard_conforming_strings = on #synchronize_seqscans = on # - Other Platforms and Clients - #transform_null_equals = off #------------------------------------------------------------------------------ # ERROR HANDLING #------------------------------------------------------------------------------ #exit_on_error = off # terminate session on any error? #restart_after_crash = on # reinitialize after backend crash? #data_sync_retry = off # retry or panic on failure to fsync # data? # (change requires restart) #------------------------------------------------------------------------------ # CONFIG FILE INCLUDES #------------------------------------------------------------------------------ # These options allow settings to be loaded from files other than the # default postgresql.conf. Note that these are directives, not variable # assignments, so they can usefully be given more than once. #include_dir = '...' # include files ending in '.conf' from # a directory, e.g., 'conf.d' #include_if_exists = '...' # include file only if it exists #include = '...' # include file #------------------------------------------------------------------------------ # CUSTOMIZED OPTIONS #------------------------------------------------------------------------------ # Add settings for extensions here EOF chown postgres:postgres $PGDATA/postgresql.conf } #配置PG认证配置文件pg_hba.conf PG_HBA_CONF() { echo "=========================================配置pg_hba.conf===============================" if [ -f $PGDATA/pg_hba.conf ] then cp $PGDATA/pg_hba.conf $PGDATA/pg_hba.conf_$(date +%Y%m%d%H) chown postgres:postgres $PGDATA/pg_hba.conf_$(date +%Y%m%d%H) fi cat > $PGDATA/pg_hba.conf << EOF # "local" is for Unix domain socket connections only local all all trust # IPv4 local connections: host all all 127.0.0.1/32 md5 host all all 0.0.0.0/0 md5 # IPv6 local connections: host all all ::1/128 md5 # Allow replication connections from localhost, by a user with the # replication privilege. EOF chown postgres:postgres $PGDATA/pg_hba.conf } #启动PG数据库 START_PG() { echo "============================================启动数据库=================================" su - postgres -c "pg_ctl start" } #修改数据库的postgres用户密码、创建复制流用户 CHANGE_DEFAULT_PG_PASSWD() { echo "=======================================初始化postgres的密码============================" if read -t 60 -p "(Please input postgres's password,default:$DEFAULT_PG_PASSWD):" PG_PASSWORD then if [ "$PG_PASSWORD" = "" ] then PG_PASSWORD="$DEFAULT_PG_PASSWD" fi else PG_PASSWORD="$PG_PASSWORD" fi su - postgres << EOF echo "==================================修改PG数据库postgres密码=============================" psql -c "alter user postgres password '$PG_PASSWORD';" echo "=====================================创建复制流用户repl================================" psql -c "create role repl login replication encrypted password '$PG_PASSWORD';" # psql -c "create table cluster_status (id int unique default 1, last_alive timestamp(0) without time zone);" # psql -c "insert into cluster_status values (1, now());" echo "The user of postgres password is:$PG_PASSWORD" EOF cat >> $PGDATA/pg_hba.conf << EOF local replication repl trust host replication repl 0.0.0.0/0 md5 host replication repl 127.0.0.1/32 trust host replication repl ::1/128 md5 EOF su - postgres -c "pg_ctl reload" cat >> $PGDATA/recovery.done << EOF standby_mode = on primary_conninfo = 'host=192.168.2.221 port=5432 user=repl password=postgres' recovery_target_timeline = 'latest' trigger_file = '/tmp/trigger_file0' EOF } #调节操作系统参数 SYSTEM_PARAMETER_UPDATE #安装依赖包 YUM_INSTALL_DEPEND #创建postgres用户 ADD_USER #安装UUID OSSP UUID_OSSP #安装postgres INSTALL_PG #安装contrib工具 INSTALL_CONTRIB #初始化 INIT_PG #创建归档目录 PG_LOG_ARCH #配置postgresql.conf POSTGRESQL_CONF #配置pg_hba.conf PG_HBA_CONF #启动PG数据库 START_PG #初始化postgres的密码 CHANGE_DEFAULT_PG_PASSWD echo "PostgreSQL install successfully."
3 执行脚本安装
[root]# sh pg-install.sh
