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fix!: Change additional user default password #332

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merged 7 commits into from
Aug 12, 2022
Merged

fix!: Change additional user default password #332

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f2b8942
Change additional_users default password
carash Aug 4, 2022
dddd69b
Merge branch 'master' into mysql-fix-additional-user-password
g-awmalik Aug 9, 2022
aabc68d
Update unit test with sensitive values
carash Aug 11, 2022
ccf5cda
Add upgrade section to docs
carash Aug 11, 2022
4a8d759
Fix example sensitive output
carash Aug 11, 2022
e1aa62a
Update docs/upgrading_to_sql_db_12.0.0.md
g-awmalik Aug 11, 2022
9a5f1cb
Merge branch 'master' into mysql-fix-additional-user-password
g-awmalik Aug 11, 2022
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16 changes: 16 additions & 0 deletions docs/upgrading_to_sql_db_12.0.0.md
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Original file line number Diff line number Diff line change
Expand Up @@ -95,3 +95,19 @@ module "pg" {
]
}
```

Prior to the 12.0.0 `mysql` module release, additional users were created using the `default_user`'s password. In order to keep the password unchanged for additional users for release 12.0.0 and up, `additional_user`'s passwords need to be set explicitly using the `default_user`'s generated password.

```diff
module "mysql" {
source = "GoogleCloudPlatform/sql-db/google//modules/mysql"
- version = "~> 11.0"
+ version = "~> 12.0"

project_id = var.project_id
additional_users = [{
name = "admin"
+ password = module.mysql.generated_user_password
}]
}
```
1 change: 1 addition & 0 deletions examples/mysql-private/outputs.tf
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Expand Up @@ -30,6 +30,7 @@ output "mysql_conn" {
}

output "mysql_user_pass" {
sensitive = true
value = module.safer-mysql-db.generated_user_password
description = "The password for the default user. If not set, a random one will be generated and available in the generated_user_password output variable."
}
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1 change: 1 addition & 0 deletions examples/mysql-public/outputs.tf
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Expand Up @@ -30,6 +30,7 @@ output "mysql_conn" {
}

output "mysql_user_pass" {
sensitive = true
value = module.mysql-db.generated_user_password
description = "The password for the default user. If not set, a random one will be generated and available in the generated_user_password output variable."
}
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2 changes: 1 addition & 1 deletion modules/mysql/main.tf
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Expand Up @@ -192,7 +192,7 @@ resource "google_sql_user" "additional_users" {
for_each = local.users
project = var.project_id
name = each.value.name
password = lookup(each.value, "password", random_password.user-password.result)
password = lookup(each.value, "password", random_password.additional_passwords[each.key].result)
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Can you add a section to the upgrade guide for existing users? I suspect users who already applied can set the value ofrandom_password.user-password.result to var. additional_users to prevent a diff.
https://github.com/terraform-google-modules/terraform-google-sql-db/blob/master/docs/upgrading_to_sql_db_12.0.0.md

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@carash - we'd like this to part of the upcoming release. Let us know if you can update this in the next 24h. Thank you!

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will do, I'll update the PR today along with the updated tests

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I suspect an upgrade guide to prevent a diff might require manipulating the tfstate file directly, is that fine?

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@carash I was thinking since they have already applied it with random_password.user-password.result, they can retrieve output from generated_user_password and use that to construct var. additional_users like

+ data "google_secret_manager_secret_version" "password" {
+  secret_id = "pg-user-pass"
+  project   = var.project_id
+ }
...
additional_users = [
     {
       name     = "user1"
+       password = data.google_secret_manager_secret_version.password.secret_data
     }
   ]

similar to what did here https://github.com/terraform-google-modules/terraform-google-sql-db/blob/master/docs/upgrading_to_sql_db_11.0.0.md#switched-to-using-random_password-to-generate-default-passwords

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ah I see. that'll do it, thanks

host = lookup(each.value, "host", var.user_host)
instance = google_sql_database_instance.default.name
type = lookup(each.value, "type", "BUILT_IN")
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