Upgrade terraformer to v2.13.0, a version that uses terraform 0.13

[stoyanr]

How to categorize this PR?

/area control-plane
/kind enhancement
/platform aws

What this PR does / why we need it:
Upgrades terraformer image to v2.13.0, a version that uses terraform 0.13.

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Release Notes:

terraform has been upgraded to 0.13.7

[stoyanr]

/test

[testmachinery]

Testrun: e2e-5q5hw
Workflow: e2e-5q5hw-wf
Phase: Succeeded

+---------------------+---------------------+-----------+----------+
|        NAME         |        STEP         |   PHASE   | DURATION |
+---------------------+---------------------+-----------+----------+
| infrastructure-test | infrastructure-test | Succeeded | 15m59s   |
| bastion-test        | bastion-test        | Succeeded | 4m57s    |
| dnsrecord-test      | dnsrecord-test      | Succeeded | 6m54s    |
+---------------------+---------------------+-----------+----------+

[rfranzke]

Does this also work for existing shoots? https://www.terraform.io/upgrade-guides/0-13.html#in-house-providers talks about some state migration and a new terraform state replace-provider command that should be called?

[stoyanr]

Does this also work for existing shoots? https://www.terraform.io/upgrade-guides/0-13.html#in-house-providers talks about some state migration and a new terraform state replace-provider command that should be called?

I am currently in the process of testing and fixing this (hence Draft). As a matter of fact, it doesn't work even with the non-inhouse providers, the terraform state replace-provider command is needed there as well.

[stoyanr]

/test

[testmachinery]

Testrun: e2e-8sxfp
Workflow: e2e-8sxfp-wf
Phase: Succeeded

+---------------------+---------------------+-----------+----------+
|        NAME         |        STEP         |   PHASE   | DURATION |
+---------------------+---------------------+-----------+----------+
| infrastructure-test | infrastructure-test | Succeeded | 15m48s   |
| bastion-test        | bastion-test        | Succeeded | 5m5s     |
| dnsrecord-test      | dnsrecord-test      | Succeeded | 7m1s     |
+---------------------+---------------------+-----------+----------+

[ialidzhikov]

/hold
as we want to tackle few existing terraform issues for AWS before the update to terraform@0.13

[stoyanr]

/invite @ialidzhikov @dkistner

The new terraform version has already been tested with AWS, see gardener/terraformer#105 for more details.

[stoyanr]

/test

[testmachinery]

Testrun: e2e-2gkps
Workflow: e2e-2gkps-wf
Phase: Succeeded

+---------------------+---------------------+-----------+----------+
|        NAME         |        STEP         |   PHASE   | DURATION |
+---------------------+---------------------+-----------+----------+
| infrastructure-test | infrastructure-test | Succeeded | 15m5s    |
| bastion-test        | bastion-test        | Succeeded | 5m36s    |
| dnsrecord-test      | dnsrecord-test      | Succeeded | 7m6s     |
+---------------------+---------------------+-----------+----------+

[ialidzhikov]

/unhold

As the issues mentioned in #439 (comment) are now mitigated/fixed.

[stoyanr]

/test

[testmachinery]

Testrun: e2e-rd966
Workflow: e2e-rd966-wf
Phase: Failed

+---------------------+---------------------+-----------+----------+
|        NAME         |        STEP         |   PHASE   | DURATION |
+---------------------+---------------------+-----------+----------+
| infrastructure-test | infrastructure-test | Succeeded | 15m40s   |
| bastion-test        | bastion-test        | Succeeded | 5m10s    |
| dnsrecord-test      | dnsrecord-test      | Failed    | 4m41s    |
+---------------------+---------------------+-----------+----------+

[stoyanr]

/test

[testmachinery]

Testrun: e2e-tprb5
Workflow: e2e-tprb5-wf
Phase: Succeeded

+---------------------+---------------------+-----------+----------+
|        NAME         |        STEP         |   PHASE   | DURATION |
+---------------------+---------------------+-----------+----------+
| infrastructure-test | infrastructure-test | Succeeded | 15m17s   |
| bastion-test        | bastion-test        | Succeeded | 5m7s     |
| dnsrecord-test      | dnsrecord-test      | Succeeded | 7m3s     |
+---------------------+---------------------+-----------+----------+

[dkistner]

/lgtm