From 9a5f08ae1b4677c972dbf5bd9febe9ee8080bb0d Mon Sep 17 00:00:00 2001
From: Pierre Lafievre <pierre.lafievre@iguanesolutions.com>
Date: Fri, 14 Apr 2023 14:51:31 +0200
Subject: [PATCH] F #414: add marketplace datasource

---
 opennebula/data_opennebula_marketplace.go | 110 ++++++++++++++++++++++
 opennebula/provider.go                    |   1 +
 website/docs/d/marketplace.html.markdown  |  31 ++++++
 3 files changed, 142 insertions(+)
 create mode 100644 opennebula/data_opennebula_marketplace.go
 create mode 100644 website/docs/d/marketplace.html.markdown

diff --git a/opennebula/data_opennebula_marketplace.go b/opennebula/data_opennebula_marketplace.go
new file mode 100644
index 000000000..64a16688e
--- /dev/null
+++ b/opennebula/data_opennebula_marketplace.go
@@ -0,0 +1,110 @@
+package opennebula
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	marketplaceSc "github.com/OpenNebula/one/src/oca/go/src/goca/schemas/marketplace"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func dataOpennebulaMarketplace() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: datasourceOpennebulaMarketplaceRead,
+
+		Schema: map[string]*schema.Schema{
+			"id": {
+				Type:        schema.TypeInt,
+				Optional:    true,
+				Default:     -1,
+				Description: "Id of the marketplace",
+			},
+			"name": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Description: "Name of the marketplace",
+			},
+			"tags": tagsSchema(),
+		},
+	}
+}
+
+func marketplaceFilter(d *schema.ResourceData, meta interface{}) (*marketplaceSc.MarketPlace, error) {
+
+	config := meta.(*Configuration)
+	controller := config.Controller
+
+	marketplaces, err := controller.MarketPlaces().Info()
+	if err != nil {
+		return nil, err
+	}
+
+	// filter marketplaces with user defined criterias
+	id := d.Get("id")
+	name, nameOk := d.GetOk("name")
+	tagsInterface, tagsOk := d.GetOk("tags")
+	tags := tagsInterface.(map[string]interface{})
+
+	match := make([]*marketplaceSc.MarketPlace, 0, 1)
+	for i, marketplace := range marketplaces.MarketPlaces {
+
+		if id != -1 && marketplace.ID != id {
+			continue
+		}
+
+		if nameOk && marketplace.Name != name {
+			continue
+		}
+
+		if tagsOk && !matchTags(marketplace.Template.Template, tags) {
+			continue
+		}
+
+		match = append(match, &marketplaces.MarketPlaces[i])
+	}
+
+	// check filtering results
+	if len(match) == 0 {
+		return nil, fmt.Errorf("no marketplace match the constraints")
+	} else if len(match) > 1 {
+		return nil, fmt.Errorf("several marketplaces match the constraints")
+	}
+
+	return match[0], nil
+}
+
+func datasourceOpennebulaMarketplaceRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+
+	var diags diag.Diagnostics
+
+	marketplace, err := marketplaceFilter(d, meta)
+	if err != nil {
+		diags = append(diags, diag.Diagnostic{
+			Severity: diag.Error,
+			Summary:  "marketplaces filtering failed",
+			Detail:   err.Error(),
+		})
+		return diags
+	}
+
+	tplPairs := pairsToMap(marketplace.Template.Template)
+
+	d.SetId(strconv.FormatInt(int64(marketplace.ID), 10))
+	d.Set("name", marketplace.Name)
+
+	if len(tplPairs) > 0 {
+		err := d.Set("tags", tplPairs)
+		if err != nil {
+			diags = append(diags, diag.Diagnostic{
+				Severity: diag.Error,
+				Summary:  "setting attribute failed",
+				Detail:   fmt.Sprintf("Marketplace (ID: %d): %s", marketplace.ID, err),
+			})
+			return diags
+		}
+	}
+
+	return nil
+}
diff --git a/opennebula/provider.go b/opennebula/provider.go
index dc7ef1ad5..4a6261260 100644
--- a/opennebula/provider.go
+++ b/opennebula/provider.go
@@ -79,6 +79,7 @@ func Provider() *schema.Provider {
 			"opennebula_host":                  dataOpennebulaHost(),
 			"opennebula_datastore":             dataOpennebulaDatastore(),
 			"opennebula_zone":                  dataOpennebulaZone(),
+			"opennebula_marketplace":           dataOpennebulaMarketplace(),
 		},
 
 		ResourcesMap: map[string]*schema.Resource{
diff --git a/website/docs/d/marketplace.html.markdown b/website/docs/d/marketplace.html.markdown
new file mode 100644
index 000000000..7922694bf
--- /dev/null
+++ b/website/docs/d/marketplace.html.markdown
@@ -0,0 +1,31 @@
+---
+layout: "opennebula"
+page_title: "OpenNebula: opennebula_marketplace"
+sidebar_current: "docs-opennebula-datasource-marketplace"
+description: |-
+  Get the marketplace information for a given name.
+---
+
+# opennebula_marketplace
+
+Use this data source to retrieve the marketplace information from it's name or tags.
+
+## Example Usage
+
+```hcl
+data "opennebula_marketplace" "example" {
+  name = "My_Marketplace"
+}
+```
+
+## Argument Reference
+
+* `id` - (Optional) ID of the marketplace.
+* `name` - (Optional) The OpenNebula marketplace to retrieve information for.
+* `tags` - (Optional) Tags associated to the marketplace.
+
+## Attribute Reference
+
+* `id` - ID of the marketplace.
+* `name` - The OpenNebula marketplace name.
+* `tags` - Tags of the marketplace (Key = Value).