update

Author: goel4ever

src/Cloud/aws/opensearch.md

@@ -4,10 +4,22 @@
 
 ```sh
 # Create domain
-aws --endpoint-url=http://localhost:4566 opensearch create-domain --domain-name search
+aws --endpoint-url=http://localhost:4566 opensearch create-domain --domain-name <domain_name>
+# Domain will be available at http://localhost:9200/_<domain_name> in browser
 
 # Describe domain
-aws --endpoint-url=http://localhost:4566 opensearch describe-domain --domain-name search
+aws --endpoint-url=http://localhost:4566 opensearch describe-domain --domain-name <domain_name>
+
+# Describe domain and check specific value (status if cluster)
+aws --endpoint-url=http://localhost:4566 opensearch describe-domain --domain-name <domain_name> | jq ".DomainStatus.Processing"
+
+# Check cluster health and verify it's up and running
+curl http://localhost:9200/_cluster/health | jq .
+
+# Create an index
+curl -X PUT localhost:9200/<index_name>
+curl -X PUT localhost:9200/new-domain
+# Index will be available at the same url
 ```
 
 ## Specific cases

src/Infrastructure/kubectl/installation-helm.md

@@ -0,0 +1,63 @@
+# k8s Installation
+
+## Installation
+
+```sh
+brew install helm
+```
+
+## Install plugin
+
+```sh
+# Install unittest plugin
+helm plugin install https://github.com/quintush/helm-unittest
+
+# List installed plugins
+helm plugin list
+```
+
+## Working with Helm template
+
+```sh
+# Render helm template locally
+helm template <project>
+
+# Create a zip file of the helm chart
+helm package
+
+# Dry run
+helm install --generate-name --dry-run --debug --values ./test-values.yaml <zip_file_name>.tgz
+```
+
+## Unit test
+
+```sh
+# Run unit tests
+helm unittest <project>
+
+# Override value during test run
+# TODO: This doesn't work yet
+helm unittest <project>> --set helmTests.enabled=true
+
+# Run debug mode
+helm unittest <project> --debug
+```
+
+## Install linter
+
+```sh
+# Install linter
+brew install yamllint
+
+# Verify version
+yamllint --version
+
+# Lint a file
+yamllint <project>/templates/tests/<test_file>.yaml
+```
+
+## References
+
+* https://labs.play-with-k8s.com/
+* https://www.katacoda.com/courses/kubernetes/playground
+* https://www.katacoda.com/

src/Infrastructure/kubectl/installation-k8s.md

@@ -18,12 +18,6 @@ $ minikube version
 $ minikube start
 ```
 
-## Helm
-
-```sh
-$ brew install kubernetes-helm
-```
-
 ## References
 
 * https://labs.play-with-k8s.com/

src/Infrastructure/kubectl/installation.md renamed to src/Infrastructure/kubectl/installation-kubectl.md

@@ -16,6 +16,21 @@ $ terraform -help
 $ terraform -version
 ```
 
+### Version Manager
+
+`tfenv`, a Terraform version manager, to install a specific version of Terraform. 
+
+```sh
+# Install tfenv
+$ brew install tfenv
+
+# Install Terraform 1.4.6 using tfenv:
+$ tfenv install 1.4.6
+
+# Set Terraform 1.4.6 as the global version:
+$ tfenv use 1.4.6
+```
+
 ### Plugin
 
 ```sh