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Utils

This utility repository contains multiple apps and tools for surviving the daily madness.

k8s-swiss

A docker image holding helpful tools like

  • Ansible

  • kubectl

  • oc

Ansible

The docker receives a mount from the local working directory to /ansible_playbooks/ this is the reason to put /ansible_playbooks/ as prefix path if you define any paths as parameters.

$ cd docker/ansible-wrapper
$ tree -a
..
├── Dockerfile
├── ansible-wrapper.sh
└── playbooks
    ├── a-playbook.yaml
    └── inventory.yaml

1 directory, 4 files
$ ./ansible-wrapper.sh -i /ansible_playbooks/playbooks/inventory.yaml /ansible_playbooks/playbooks/a-playbook.yaml

In case you test this locally (with localhost)

$ ./ansible-wrapper.sh -i /ansible_playbooks/playbooks/inventory.yaml -c local /ansible_playbooks/playbooks/a-playbook.yaml

Terraform

Using the docker image hashicorp/terraform:light and mounting the local working directory as workspace into the container. Consider to provide always the directory which holds the terraform templates for all terraform commands (init, plan, apply).

$ ./terraform-wrapper.sh init templates

Initializing the backend...

Initializing provider plugins...
- Finding latest version of hashicorp/null...
- Installing hashicorp/null v2.1.2...
- Installed hashicorp/null v2.1.2 (signed by HashiCorp)

...

$ ./terraform-wrapper.sh plan templates
Refreshing Terraform state in-memory prior to plan...
The refreshed state will be used to calculate this plan, but will not be
persisted to local or remote state storage.


------------------------------------------------------------------------

An execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # null_resource.example will be created
  + resource "null_resource" "example" {
      + id = (known after apply)
    }

Plan: 1 to add, 0 to change, 0 to destroy.


$ ./terraform-wrapper.sh apply templates
n execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # null_resource.example will be created
  + resource "null_resource" "example" {
      + id = (known after apply)
    }

Plan: 1 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

null_resource.example: Creating...
null_resource.example: Provisioning with 'local-exec'...
null_resource.example (local-exec): Executing: ["/bin/sh" "-c" "echo $(date -u +'%Y-%m-%dT%H:%M:%SZ')"]
null_resource.example (local-exec): 2020-08-29T09:05:48Z
null_resource.example: Creation complete after 0s [id=3249942302053403259]

Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

.