[DEVOPS-270] Improve run times by switching to bash scripts (#59)

<!--
We appreciate the effort for this pull request but before that please
make sure you read the contribution guidelines, then fill out the blanks
below.

Please format the PR title appropriately based on the type of change:
  [<issue>]: <description>
Where <issue> is the related Jira Issue Key.
-->

## Description

- Converted PowerShell scripts into bash scripts to speed up AKS deploy
run times
- Removed redundant Cache Azure Login steps in favor of `get-envs`
nested cache-azure-login action

## Related Issues

<!-- List any related Jira issues here -->

- Jira Issue: DEVOPS-270
- Test environment: [![Development AKS
Deploy](https://github.com/Andrews-McMeel-Universal/reusable_workflows-test/actions/workflows/aks-development.yml/badge.svg?branch=story%2FDEVOPS-270%2Fimprove-aks-deployment-run-times)](https://github.com/Andrews-McMeel-Universal/reusable_workflows-test/actions/workflows/aks-development.yml)

.github/workflows/aks-deploy.yaml

@@ -189,11 +189,6 @@ jobs:
           Write-Output "adminIngressWhitelist=$adminIngressWhitelist" >> $env:GITHUB_ENV
           Write-Output "release=$release" >> $env:GITHUB_ENV
 
-      - name: Login to Azure
-        uses: Andrews-McMeel-Universal/cache-azure-login@v1
-        with:
-          azureCredentials: "${{ secrets.azureCredentials }}"
-
       - name: Generate .env file from Azure Key Vaults
         uses: Andrews-McMeel-Universal/get-envs@v1
         with:
@@ -202,32 +197,48 @@ jobs:
           environmentKeyVault: ${{ inputs.environmentKeyVault }}
 
       - name: Generate build args from Azure Key Vaults
-        uses: azure/powershell@v1
-        with:
-          inlineScript: |
-            if ("${{ inputs.environmentKeyVault }}") {
-                $KeyVaultName = "${{ inputs.environmentKeyVault }}"
-            }
-            else {
-                $KeyVaultName = (Get-AzKeyVault -Tag @{"environment" = "${{ inputs.environment }}" } | Get-AzKeyVault -Tag @{"repository-name" = "${{ github.event.repository.name }}" }).VaultName
-            }
-            [string]$KeyVaultName = $KeyVaultName.Replace(" ", "-")
-            $buildSecrets = (Get-AzKeyVaultSecret -VaultName $KeyVaultName  | Where-Object { ($_.ContentType -contains 'BuildArg') -or ($_.ContentType -contains 'BuildArg Env') }).Name
-            if ($buildSecrets.Count -gt 0) {
-                $buildArgPredicate = ' --build-arg '
-            }
-            else {
-                return
-            }
-            $buildSecrets | ForEach-Object {
-                $argName = $_.ToUpper()
-                $argName = $argName.Replace("-", "_")
-                $argSecret = (Get-AzKeyVaultSecret -VaultName $KeyVaultName -Name $_).secretvalue | ConvertFrom-SecureString -AsPlainText
-                $buildArguments = $buildArguments + $buildArgPredicate + $argName + "=" + $argSecret
-            }
-
-            echo "buildArguments=$buildArguments" >> $env:GITHUB_ENV
-          azPSVersion: "latest"
+        shell: bash
+        run: |
+          ENVIRONMENT="${{ inputs.environment }}"
+          REPOSITORY_NAME="${{ inputs.repositoryName }}"
+          ENV_KEYVAULT_NAME="${{ inputs.environmentKeyVault }}"
+          BUILDARG_PREDICATE=" --build-arg "
+
+          # Check if searching for key vaults by repository name or otherwise, if key vault name argument is given
+          if [ -z "${ENV_KEYVAULT_NAME}" ]; then
+              # Search for key vault using tags
+              KEYVAULT_NAME=$(az keyvault list --query "[?tags.\"repository-name\" == '${REPOSITORY_NAME}' && tags.environment == '${ENVIRONMENT}'].name" --output tsv)
+          else
+              KEYVAULT_NAME="${ENV_KEYVAULT_NAME}"
+          fi
+
+          # Get key vault object
+          KEYVAULT=$(az keyvault list --query "[?name == '${KEYVAULT_NAME}']" )
+
+          # Check if key vault exists
+          if ! echo "${KEYVAULT}" | grep -Eq "\w"; then
+              echo -e "${RED}Invalid value provided for 'KeyVaultName'. Please confirm a Key Vault exists under the name specified. Value provided: ${KEYVAULT_NAME}"
+              exit 1
+          fi
+          KEYVAULT_NAME="${KEYVAULT_NAME// /}"
+
+          # Set secrets list
+          SECRETS=$(az keyvault secret list --vault-name "${KEYVAULT_NAME}" --query "[?contentType == 'BuildArg Env' || contentType == 'BuildArg'].name" --output tsv)
+
+          # Loop through secrets and add them to .env
+          if echo "${SECRETS}" | grep -Eq "\w"; then
+              while IFS= read -r SECRET; do
+                  # Convert to upper case snake case and remove quotes
+                  SECRET_NAME=$(echo "${SECRET}" | tr '[:upper:][:lower:]' '[:lower:][:upper:]' | tr "-" "_" | tr -d '"')
+
+                  # Get secret value and set it to the secret name
+                  SECRET_VALUE=$(az keyvault secret show --vault-name "${KEYVAULT_NAME}" -n "${SECRET}" --query "value" --output tsv)
+
+                  # Add secret to file
+                  BUILDARGS="${BUILDARGS} ${BUILDARG_PREDICATE} ${SECRET_NAME}=${SECRET_VALUE}"
+              done < <(echo "${SECRETS[*]}")
+          fi
+          echo "buildArguments=${BUILDARGS}" >> $GITHUB_OUTPUT
 
       - name: Login to Azure Container Registry
         uses: Azure/docker-login@v1
@@ -358,12 +369,6 @@ jobs:
           name: bake-manifests-bundle
           path: ${{ needs.build.outputs.manifestsBundle }}
 
-      - name: Azure Login
-        uses: azure/login@v1
-        with:
-          creds: "${{ secrets.azureCredentials }}"
-          enable-AzPSSession: true
-
       - name: Generate .env file from Azure Key Vaults
         uses: Andrews-McMeel-Universal/get-envs@v1
         with:
@@ -437,15 +442,11 @@ jobs:
         uses: Andrews-McMeel-Universal/cache-azure-login@v1
         with:
           azureCredentials: "${{ secrets.azureCredentials }}"
+          enable-AzPsSession: false
 
       - name: Create or Update Public DNS Record
-        uses: azure/powershell@v1
-        with:
-          inlineScript: |
-            $NewRecords = New-AzDnsRecordConfig -Cname "${{ secrets.azureClusterName }}-${{ inputs.environment }}-ingress.centralus.cloudapp.azure.com."
-
-            New-AzDnsRecordSet -Name "${{ needs.build.outputs.hostName }}" -RecordType CNAME -ZoneName "${{ needs.build.outputs.domainName }}" -ResourceGroupName ${{ inputs.dnsResourceGroup }} -Ttl 3600 -DnsRecords $NewRecords -Overwrite;
-          azPSVersion: "latest"
+        run: |
+          az network dns record-set cname set-record --resource-group ${{ inputs.dnsResourceGroup }} --zone-name "${{ needs.build.outputs.domainName }}" --record-set-name ${{ needs.build.outputs.hostName }} --cname "${{ secrets.azureClusterName }}-${{ inputs.environment }}-ingress.centralus.cloudapp.azure.com." --ttl 3600
 
       - name: Record deployment information in Azure Storage Table
         uses: LadyCailin/azure-table-storage-upload@v1.0.1