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terraform-github-rke2-download
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add rpm option for download 

Signed-off-by: matttrach <matttrach@gmail.com>
This commit is contained in:
matttrach 2023-10-12 11:34:48 -05:00
parent 372546ea5e
commit abc2007865
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GPG Key ID: C00467FDE2D0231F
12 changed files with 140 additions and 25 deletions
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4
.gitignore vendored
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@ -7,8 +7,8 @@ override.*
!terraform.md
rke2*
*.gz
examples/*/installer.sh
examples/*/sha256sum.txt
examples/*/install.*
examples/*/sha256sum*
examples/*/tmp
examples/*/rke2
id_ed25519_*

2
examples/basic/main.tf
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@ -1,4 +1,4 @@
module "TestBasic" {
module "download_latest" {
source = "../../"
release = "latest"
}

6
examples/basic/output.tf
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@ -1,9 +1,9 @@
output "tag" {
value = module.TestBasic.tag
value = module.download_latest.tag
}
output "path" {
value = module.TestBasic.path
value = module.download_latest.path
}
output "files" {
value = module.TestBasic.files
value = module.download_latest.files
}

13
examples/rpm/main.tf Normal file
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@ -0,0 +1,13 @@
locals {
version = var.release
path = var.path
}
module "download_rpm" {
source = "../../"
release = local.version
path = local.path
rpm = true
# default: os = "rhel"
# default: os_version = "8"
# default: arch = "amd64"
}

9
examples/rpm/output.tf Normal file
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@ -0,0 +1,9 @@
output "tag" {
value = module.download_rpm.tag
}
output "path" {
value = module.download_rpm.path
}
output "files" {
value = module.download_rpm.files
}

12
examples/rpm/variables.tf Normal file
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@ -0,0 +1,12 @@
variable "release" {
type = string
description = <<-EOT
The value of the git tag associated with the release to find.
EOT
}
variable "path" {
type = string
description = <<-EOT
The path to download the files to.
EOT
}

13
examples/rpm/versions.tf Normal file
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@ -0,0 +1,13 @@
terraform {
required_version = ">= 1.2.0, < 1.6"
required_providers {
github = {
source = "integrations/github"
version = ">= 5.32"
}
local = {
source = "hashicorp/local"
version = ">= 2.4"
}
}
}

2
examples/selected/main.tf
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@ -2,7 +2,7 @@ locals {
version = var.release
path = var.path
}
module "TestSelected" {
module "download_selected" {
source = "../../"
release = local.version
path = local.path

6
examples/selected/output.tf
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@ -1,9 +1,9 @@
output "tag" {
value = module.TestSelected.tag
value = module.download_selected.tag
}
output "path" {
value = module.TestSelected.path
value = module.download_selected.path
}
output "files" {
value = module.TestSelected.files
value = module.download_selected.files
}

43
main.tf
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@ -1,19 +1,34 @@
locals {
release = var.release
latest = (var.release == "latest" ? true : false)
arch = var.arch
system = var.system
install_url = "https://raw.githubusercontent.com/rancher/rke2/master/install.sh"
files = toset([
"rke2-images.${local.system}-${local.arch}.tar.gz",
"rke2.${local.system}-${local.arch}.tar.gz",
"sha256sum-${local.arch}.txt",
"install.sh",
])
system = var.system
rpm = var.rpm
release = var.release
latest = (var.release == "latest" ? true : false)
sem = (local.latest ? [] : regex("v([0-9]+)\\.([0-9]+)\\.([0-9]+)", var.release)) # extracts the semver from the release string
kube = (local.latest ? "" : "${local.sem[0]}.${local.sem[1]}") # build the major.minor version of kubernetes
arch = var.arch
os = (local.rpm ? var.os : "") # should be rhel, but should only be used when downloading RPMs
os_version = (local.rpm ? var.os_version : "") # should only be used when downloading RPMs
install_url = "https://raw.githubusercontent.com/rancher/rke2/master/install.sh"
rpm_os = (local.os == "rhel" ? "centos" : local.os)
rpm_arch = (local.arch == "amd64" ? "x86_64" : local.arch)
rpm_url = "https://rpm.rancher.io/rke2/stable/${local.kube}/${local.os}/${local.os_version}"
rpm_release = (local.latest ? "" : "${local.sem[0]}.${local.sem[1]}.${local.sem[2]}~rke2r1-0.el${local.os_version}.${local.arch}")
selected_assets = (can(data.github_release.selected[0].assets) ? { for a in data.github_release.selected[0].assets : a.name => a.browser_download_url } : {})
latest_assets = (can(data.github_release.latest.assets) ? { for a in data.github_release.latest.assets : a.name => a.browser_download_url } : {})
assets = (local.latest ? local.latest_assets : local.selected_assets)
path = abspath(var.path)
base_files = {
"rke2-images.${local.system}-${local.arch}.tar.gz" = local.assets["rke2-images.${local.system}-${local.arch}.tar.gz"],
"rke2.${local.system}-${local.arch}.tar.gz" = local.assets["rke2.${local.system}-${local.arch}.tar.gz"],
"sha256sum-${local.arch}.txt" = local.assets["sha256sum-${local.arch}.txt"],
"install.sh" = local.install_url,
}
files = (local.rpm ? merge(local.base_files, {
"rke2-common.rpm" = "${local.rpm_url}/${local.rpm_arch}/rke2-common-${local.rpm_release}.rpm",
"rke2-server.rpm" = "${local.rpm_url}/${local.rpm_arch}/rke2-server-${local.rpm_release}.rpm",
"rke2-agent.rpm" = "${local.rpm_url}/${local.rpm_arch}/rke2-agent-${local.rpm_release}.rpm",
"rke2-selinux.rpm" = "${local.rpm_url}/noarch/rke2-selinux-0.15-1.el${local.os_version}.noarch.rpm",
}) : local.base_files)
path = abspath(var.path)
}
data "github_release" "selected" {
@ -52,10 +67,10 @@ resource "null_resource" "download" {
data.github_release.latest,
local_file.download_dir,
]
for_each = toset(local.files)
for_each = local.files
provisioner "local-exec" {
command = <<-EOT
curl -L -s -o ${abspath("${local.path}/${each.key}")} ${lookup(local.assets, each.key, local.install_url)}
curl -L -s -o ${abspath("${local.path}/${each.key}")} ${each.value}
EOT
}
}

22
tests/rpm_test.go Normal file
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@ -0,0 +1,22 @@
package test
import (
"testing"
"github.com/gruntwork-io/terratest/modules/terraform"
)
func TestRpm(t *testing.T) {
t.Parallel()
directory := "rpm"
release := getLatestRelease(t, "rancher", "rke2")
terraformVars := map[string]interface{}{
"release": release,
"path": "./rke2",
}
terraformOptions := setup(t, directory, terraformVars)
defer teardown(t, directory)
defer terraform.Destroy(t, terraformOptions)
terraform.InitAndApply(t, terraformOptions)
}

33
variables.tf
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@ -3,6 +3,7 @@ variable "release" {
description = <<-EOT
The value of the git tag associated with the release to find.
Specify "latest" to find the latest release (default).
When downloading RPMs, this must be a specific release, not "latest".
EOT
default = "latest"
}
@ -17,11 +18,30 @@ variable "arch" {
variable "system" {
type = string
description = <<-EOT
The OS of the system to download for.
The kernel of the system to download for.
Valid values are currently just linux (the default).
EOT
default = "linux"
}
variable "os" {
type = string
description = <<-EOT
The OS to download RPMs for.
This is only used for RPM downloads.
This is ignored when rpm is false.
EOT
default = "rhel"
}
variable "os_version" {
type = string
description = <<-EOT
The version of RHEL to download RPMs for.
This is only used for RPM downloads.
This is ignored when rpm is false.
EOT
default = "8"
}
variable "path" {
type = string
description = <<-EOT
@ -29,4 +49,15 @@ variable "path" {
If not specified, the files will be downloaded to a directory named "rke2" in the root of the module.
EOT
default = "./rke2"
}
variable "rpm" {
type = bool
description = <<-EOT
Whether or not to download the RPMs.
Defaults to false.
This option requires that the system is linux (specifically RHEL based) and the architecture is amd64(x86_64).
This option requires the computer running terraform to have curl installed.
When using this option, the "release" variable must be set to a specific release, not "latest".
EOT
default = false
}