From 1b71f00cf2744bc8368947653ab2818b743609b0 Mon Sep 17 00:00:00 2001
From: Kirill Zaborsky <qrilka@gmail.com>
Date: Thu, 30 Apr 2020 12:35:40 +0300
Subject: [PATCH] Add `install_cmd` for other package managers in
 init-snippet-install-awscli

---
 CHANGELOG.md                                    | 3 +++
 modules/init-snippet-install-awscli/README.md   | 3 ++-
 modules/init-snippet-install-awscli/main.tf     | 9 ++++++++-
 modules/init-snippet-install-awscli/snippet.tpl | 2 +-
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c9a7cd4..7d30294c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@
 * nat-gateways: Fix association issue caused between `nat_eip` and
   public subnets. This only affects resources using the `nat_eip` variable.
 
+* `init-snippet-install-awscli`: new argument to allow not only `apt` as a
+  command to install OS packages
+
 ### Examples
 
 # v0.9.16
diff --git a/modules/init-snippet-install-awscli/README.md b/modules/init-snippet-install-awscli/README.md
index 59570c1c..ce809a10 100644
--- a/modules/init-snippet-install-awscli/README.md
+++ b/modules/init-snippet-install-awscli/README.md
@@ -2,7 +2,8 @@
 
 Generate an init snippet to install the AWS cli tool on boot. This will:
 
-* use apt to install `python-pip`
+* use apt (by default) to install `python-pip`
 * use `pip` to upgrade `pip`
 * us `pip` to install `awscli`
 
+To override package manager set a proper value to the argument `install_cmd`.
diff --git a/modules/init-snippet-install-awscli/main.tf b/modules/init-snippet-install-awscli/main.tf
index 5c458d77..2cd122f5 100644
--- a/modules/init-snippet-install-awscli/main.tf
+++ b/modules/init-snippet-install-awscli/main.tf
@@ -3,7 +3,7 @@
  *
  * Generate an init snippet to install the AWS cli tool on boot. This will:
  *
- * * use apt to install `python-pip`
+ * * use apt/yum to install `python-pip`
  * * use `pip` to upgrade `pip`
  * * us `pip` to install `awscli`
  *
@@ -16,6 +16,12 @@ variable "init_prefix" {
   type = string
 }
 
+variable "install_cmd" {
+  default     = "apt install -y"
+  description = "package manager install command (`apt install -y` by default)"
+  type        = string
+}
+
 variable "init_suffix" {
   default     = ""
   description = "init (shellcode) to append to the end of this snippet"
@@ -34,6 +40,7 @@ data "template_file" "init_snippet" {
 
   vars = {
     init_prefix = var.init_prefix
+    install_cmd = var.install_cmd
     init_suffix = var.init_suffix
     log_prefix  = var.log_prefix
   }
diff --git a/modules/init-snippet-install-awscli/snippet.tpl b/modules/init-snippet-install-awscli/snippet.tpl
index df47462c..90959a72 100644
--- a/modules/init-snippet-install-awscli/snippet.tpl
+++ b/modules/init-snippet-install-awscli/snippet.tpl
@@ -1,5 +1,5 @@
 # start snippet - install awscli python cli tools
 ${init_prefix}
-apt install -y python3-pip
+${install_cmd} python3-pip
 pip3 install awscli
 ${init_suffix}