Files
herolib/lib/installers/db/postgresql/postgresql_factory_.v
2025-08-29 09:47:54 +02:00

305 lines
7.1 KiB
V

module postgresql
import freeflowuniverse.herolib.core.base
import freeflowuniverse.herolib.core.playbook { PlayBook }
import freeflowuniverse.herolib.ui.console
import json
import freeflowuniverse.herolib.osal.startupmanager
import time
__global (
postgresql_global map[string]&Postgresql
postgresql_default string
)
/////////FACTORY
@[params]
pub struct ArgsGet {
pub mut:
name string = 'default'
fromdb bool // will load from filesystem
create bool // default will not create if not exist
}
pub fn new(args ArgsGet) !&Postgresql {
mut obj := Postgresql{
name: args.name
}
set(obj)!
return get(name: args.name)!
}
pub fn get(args ArgsGet) !&Postgresql {
mut context := base.context()!
postgresql_default = args.name
if args.fromdb || args.name !in postgresql_global {
mut r := context.redis()!
if r.hexists('context:postgresql', args.name)! {
data := r.hget('context:postgresql', args.name)!
if data.len == 0 {
print_backtrace()
return error('Postgresql with name: postgresql does not exist, prob bug.')
}
mut obj := json.decode(Postgresql, data)!
set_in_mem(obj)!
} else {
if args.create {
new(args)!
} else {
print_backtrace()
return error("Postgresql with name 'postgresql' does not exist")
}
}
return get(name: args.name)! // no longer from db nor create
}
return postgresql_global[args.name] or {
print_backtrace()
return error('could not get config for postgresql with name:postgresql')
}
}
// register the config for the future
pub fn set(o Postgresql) ! {
mut o2 := set_in_mem(o)!
postgresql_default = o2.name
mut context := base.context()!
mut r := context.redis()!
r.hset('context:postgresql', o2.name, json.encode(o2))!
}
// does the config exists?
pub fn exists(args ArgsGet) !bool {
mut context := base.context()!
mut r := context.redis()!
return r.hexists('context:postgresql', args.name)!
}
pub fn delete(args ArgsGet) ! {
mut context := base.context()!
mut r := context.redis()!
r.hdel('context:postgresql', args.name)!
}
@[params]
pub struct ArgsList {
pub mut:
fromdb bool // will load from filesystem
}
// if fromdb set: load from filesystem, and not from mem, will also reset what is in mem
pub fn list(args ArgsList) ![]&Postgresql {
mut res := []&Postgresql{}
mut context := base.context()!
if args.fromdb {
// reset what is in mem
postgresql_global = map[string]&Postgresql{}
postgresql_default = ''
}
if args.fromdb {
mut r := context.redis()!
mut l := r.hkeys('context:postgresql')!
for name in l {
res << get(name: name, fromdb: true)!
}
return res
} else {
// load from memory
for _, client in postgresql_global {
res << client
}
}
return res
}
// only sets in mem, does not set as config
fn set_in_mem(o Postgresql) !Postgresql {
mut o2 := obj_init(o)!
postgresql_global[o2.name] = &o2
postgresql_default = o2.name
return o2
}
pub fn play(mut plbook PlayBook) ! {
if !plbook.exists(filter: 'postgresql.') {
return
}
mut install_actions := plbook.find(filter: 'postgresql.configure')!
if install_actions.len > 0 {
for mut install_action in install_actions {
heroscript := install_action.heroscript()
mut obj2 := heroscript_loads(heroscript)!
set(obj2)!
install_action.done = true
}
}
mut other_actions := plbook.find(filter: 'postgresql.')!
for mut other_action in other_actions {
if other_action.name in ['destroy', 'install', 'build'] {
mut p := other_action.params
reset := p.get_default_false('reset')
if other_action.name == 'destroy' || reset {
console.print_debug('install action postgresql.destroy')
destroy()!
}
if other_action.name == 'install' {
console.print_debug('install action postgresql.install')
install()!
}
}
if other_action.name in ['start', 'stop', 'restart'] {
mut p := other_action.params
name := p.get('name')!
mut postgresql_obj := get(name: name)!
console.print_debug('action object:\n${postgresql_obj}')
if other_action.name == 'start' {
console.print_debug('install action postgresql.${other_action.name}')
postgresql_obj.start()!
}
if other_action.name == 'stop' {
console.print_debug('install action postgresql.${other_action.name}')
postgresql_obj.stop()!
}
if other_action.name == 'restart' {
console.print_debug('install action postgresql.${other_action.name}')
postgresql_obj.restart()!
}
}
other_action.done = true
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////# LIVE CYCLE MANAGEMENT FOR INSTALLERS ///////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////
fn startupmanager_get(cat startupmanager.StartupManagerType) !startupmanager.StartupManager {
// unknown
// screen
// zinit
// tmux
// systemd
match cat {
.screen {
console.print_debug("installer: postgresql' startupmanager get screen")
return startupmanager.get(.screen)!
}
.zinit {
console.print_debug("installer: postgresql' startupmanager get zinit")
return startupmanager.get(.zinit)!
}
.systemd {
console.print_debug("installer: postgresql' startupmanager get systemd")
return startupmanager.get(.systemd)!
}
else {
console.print_debug("installer: postgresql' startupmanager get auto")
return startupmanager.get(.auto)!
}
}
}
// load from disk and make sure is properly intialized
pub fn (mut self Postgresql) reload() ! {
self = obj_init(self)!
}
pub fn (mut self Postgresql) start() ! {
if self.running()! {
return
}
console.print_header('installer: postgresql start')
if !installed()! {
install()!
}
configure()!
start_pre()!
for zprocess in startupcmd()! {
mut sm := startupmanager_get(zprocess.startuptype)!
console.print_debug('installer: postgresql starting with ${zprocess.startuptype}...')
sm.new(zprocess)!
sm.start(zprocess.name)!
}
start_post()!
for _ in 0 .. 50 {
if self.running()! {
return
}
time.sleep(100 * time.millisecond)
}
return error('postgresql did not install properly.')
}
pub fn (mut self Postgresql) install_start(args InstallArgs) ! {
switch(self.name)
self.install(args)!
self.start()!
}
pub fn (mut self Postgresql) stop() ! {
switch(self.name)
stop_pre()!
for zprocess in startupcmd()! {
mut sm := startupmanager_get(zprocess.startuptype)!
sm.stop(zprocess.name)!
}
stop_post()!
}
pub fn (mut self Postgresql) restart() ! {
switch(self.name)
self.stop()!
self.start()!
}
pub fn (mut self Postgresql) running() !bool {
switch(self.name)
// walk over the generic processes, if not running return
for zprocess in startupcmd()! {
if zprocess.startuptype != .screen {
mut sm := startupmanager_get(zprocess.startuptype)!
r := sm.running(zprocess.name)!
if r == false {
return false
}
}
}
return running()!
}
@[params]
pub struct InstallArgs {
pub mut:
reset bool
}
pub fn (mut self Postgresql) install(args InstallArgs) ! {
switch(self.name)
if args.reset || (!installed()!) {
install()!
}
}
pub fn (mut self Postgresql) destroy() ! {
switch(self.name)
self.stop() or {}
destroy()!
}
// switch instance to be used for postgresql
pub fn switch(name string) {
}