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azure - Terraform azurerm 计划 start_time 始终在新部署时重置

转载 作者:行者123 更新时间:2023-12-04 10:02:27 27 4
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我正在尝试让资源 azurerm_automation_schedule 在每月发生的特定时间(例如:18:00) 进行部署。

我使用以下代码:

locals {
update_time = "18:00"
update_date = formatdate("YYYY-MM-DD", timeadd(timestamp(), "24h"))
update_timezone = "UTC"
}

resource "azurerm_automation_schedule" "main" {
name = "test"
resource_group_name = "myresourcegroupname"
automation_account_name = "myautomationaccountname"
frequency = "Month"
timezone = local.update_timezone
start_time = "${local.update_date}T${local.update_time}:00+02:00"
description = "This is an example schedule"
monthly_occurrence {
day = "Tuesday"
occurrence = "1"
}
}

“${local.update_date}T${local.update_time}:00+02:00” 在当前时间上添加 2 小时并将日期向前调 1。这是必需的确保时间表在未来开始。

这工作正常,除了下次我回来运行部署时,它会检测到由于日期更改而发生的新更改,即使没有发生真正的更改。start_time 总是向前滴答。

我似乎找不到任何可以提供帮助的地形逻辑。有没有办法在变量中设置静态开始时间,并且只有在发生变化时才更新? (不是日期)。

伪代码为:

if [update_time] has not changed, do not update [azurerm_automation_schedule]
else update [azurerm_automation_schedule] with the new time, incrementing the day forward

更新

我的最终工作代码(奖励:使用 Windows 更新调度程序,这很难工作!)

//== Provider used to store timestamp for updates ==//
provider "time" {
version = "~> 0.4"
}

//== Store 1 day in the future, only update if [local.update_time] is altered ==//
resource "time_offset" "next_day" {
offset_days = 1
triggers = {
update_time = local.update_time
}
}

locals {
update_time = "19:40"
update_date = substr(time_offset.next_day.rfc3339, 0, 10)
update_timezone = "UTC"
update_max_hours = "4"
update_classifications = "Critical, Security, UpdateRollup, ServicePack, Definition, Updates"
update_reboot_settings = "IfRequired"
update_day = "Tuesday"
update_occurrence = "2"
}

#This type should eventually replace the manual deploy via azurerm: azurerm_automation_softwareUpdateConfigurations
#https://github.com/terraform-providers/terraform-provider-azurerm/issues/2812
resource "azurerm_template_deployment" "windows" {
name = "windows-update"
resource_group_name = module.stack.azurerm_resource_group.name

template_body = <<DEPLOY
{
"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"resources": [
{
"apiVersion": "2017-05-15-preview",
"type": "Microsoft.Automation/automationAccounts/softwareUpdateConfigurations",
"name": "${module.stack.azurerm_automation_account.name}/windows-updates",
"properties": {
"updateConfiguration": {
"operatingSystem": "Windows",
"duration": "PT${local.update_max_hours}H",
"windows": {
"excludedKbNumbers": [
],
"includedUpdateClassifications": "${local.update_classifications}",
"rebootSetting": "${local.update_reboot_settings}"
},
"azureVirtualMachines": [
"${module.server_1.azurerm_virtual_machine.id}",
"${module.server_2.azurerm_virtual_machine.id}"
],
"nonAzureComputerNames": [
]
},
"scheduleInfo": {
"frequency": "Month",
"startTime": "${local.update_date}T${local.update_time}:00",
"timeZone": "${local.update_timezone}",
"interval": 1,
"advancedSchedule": {
"monthlyOccurrences": [
{
"occurrence": "${local.update_occurrence}",
"day": "${local.update_day}"
}
]
}
}
}
}
]
}
DEPLOY

deployment_mode = "Incremental"
}

最佳答案

它不断计划更改的原因是因为您编写的代码指的是当前时间,而不是获取“明天”并以某种方式跟踪它。

为此,您需要一种方法来获取“明天”一次,并将其保留在状态中。存在于状态中的事物是资源,因此您需要一个代表带有偏移量的时间的资源。这就是time provider的地方进来。

这是最重要的部分:

resource "time_offset" "tomorrow" {
offset_days = 1
}

这将为您提供“明天”,应用后它将保存在 Terraform 状态中。

time_offset.tomorrow.rfc3339

将评估为:

2020-05-13T04:28:07Z

但是,我们只想要其中的 YYYY-MM-DD,因此我们使用 substr 来获取前 10 个字符:

substr(time_offset.tomorrow.rfc3339, 0, 10)

把它们放在一起,我们得到这个(添加了 4 行,包括空格,更改了 1 行):

locals {
update_time = "18:00"
update_date = substr(time_offset.tomorrow.rfc3339, 0, 10)
update_timezone = "UTC"
}

resource "time_offset" "tomorrow" {
offset_days = 1
}

resource "azurerm_automation_schedule" "main" {
name = "test"
resource_group_name = "myresourcegroupname"
automation_account_name = "myautomationaccountname"
frequency = "Month"
timezone = local.update_timezone
start_time = "${local.update_date}T${local.update_time}:00+02:00"
description = "This is an example schedule"
monthly_occurrence {
day = "Tuesday"
occurrence = "1"
}
}

您可能需要引入时间提供程序才能使用它(如果没有它就无法工作,请将其与您的 AzureRM 提供程序放在一起):

provider "time" {}

如果需要,您可以使用terraform taint 'time_offset.tomorrow'强制重新计算时间。

关于azure - Terraform azurerm 计划 start_time 始终在新部署时重置,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61762648/

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