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cli: Terraform migrations on upgrade (#1685)

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* add terraform planning

* overwrite terraform files in upgrade workspace

* Revert "overwrite terraform files in upgrade workspace"

This reverts commit 8bdacfb8bef23ef2cdbdb06bad0855b3bbc42df0.

* prepare terraform workspace

* test upgrade integration

* print upgrade abort

* rename plan file

* write output to file

* add show plan test

* add upgrade tf workdir

* fix workspace preparing

* squash to 1 command

* test

* bazel build

* plan test

* register flag manually

* bazel tidy

* fix linter

* remove MAA variable

* fix workdir

* accept tf variables

* variable fetching

* fix resource indices

* accept Terraform targets

* refactor upgrade command

* Terraform migration apply unit test

* pass down image fetcher to test

* use new flags in e2e test

* move file name to constant

* update buildfiles

* fix version constant

* conditionally create MAA

* move interface down

* upgrade dir

* update buildfiles

* fix interface

* fix createMAA check

* fix imports

* update buildfiles

* wip: workspace backup

* copy utils

* backup upgrade workspace

* remove debug print

* replace old state after upgrade

* check if flag exists

* prepare test workspace

* remove prefix

Co-authored-by: Otto Bittner <cobittner@posteo.net>

* respect file permissions

* refactor tf upgrader

* check workspace before upgrades

* remove temp upgrade dir after completion

* clean up workspace after abortion

* fix upgrade apply test

* fix linter

---------

Co-authored-by: Otto Bittner <cobittner@posteo.net>
This commit is contained in:
Moritz Sanft 2023-05-22 13:31:20 +02:00 • committed by GitHub
parent 339e750c18
commit c69e6777bd
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21 changed files with 1391 additions and 44 deletions
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10
internal/constants/constants.go
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@ -148,6 +148,16 @@ const (
MiniConstellationUID = "mini"
// TerraformLogFile is the file name of the Terraform log file.
TerraformLogFile = "terraform.log"
// TerraformUpgradePlanFile is the file name of the zipfile created by Terraform plan for Constellation upgrades.
TerraformUpgradePlanFile = "plan.zip"
// TerraformUpgradeWorkingDir is the directory name for the Terraform workspace being used in an upgrade.
TerraformUpgradeWorkingDir = "terraform"
// TerraformUpgradeBackupDir is the directory name being used to backup the pre-upgrade state in an upgrade.
TerraformUpgradeBackupDir = "terraform-backup"
// TerraformMigrationOutputFile is the file name of the output file created by a successful Terraform migration.
TerraformMigrationOutputFile = "terraform-migration-output.json"
// UpgradeDir is the name of the directory being used for cluster upgrades.
UpgradeDir = "constellation-upgrade"
//
// Kubernetes.