Add data source for cloudstack project

cloudstack/data_source_cloudstack_project.go

@@ -0,0 +1,158 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+//
+
+package cloudstack
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/apache/cloudstack-go/v2/cloudstack"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func dataSourceCloudstackProject() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceCloudstackProjectRead,
+		Schema: map[string]*schema.Schema{
+			"filter": dataSourceFiltersSchema(),
+
+			//Computed values
+			"project_id": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"display_text": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"state": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"created": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"tags": tagsSchema(),
+		},
+	}
+}
+
+func dataSourceCloudstackProjectRead(d *schema.ResourceData, meta interface{}) error {
+	log.Printf("Project Data Source Read Started")
+
+	cs := meta.(*cloudstack.CloudStackClient)
+	p := cs.Project.NewListProjectsParams()
+	csProjects, err := cs.Project.ListProjects(p)
+
+	if err != nil {
+		return fmt.Errorf("Failed to list projects: %s", err)
+	}
+
+	filters := d.Get("filter")
+	var projects []*cloudstack.Project
+
+	for _, i := range csProjects.Projects {
+		match, err := applyProjectFilters(i, filters.(*schema.Set))
+		if err != nil {
+			return err
+		}
+
+		if match {
+			projects = append(projects, i)
+		}
+	}
+
+	if len(projects) == 0 {
+		return fmt.Errorf("No project is matching with the specified regex")
+	}
+	//return the latest project from the list of filtered projects according
+	//to its creation date
+	project, err := latestProject(projects)
+	if err != nil {
+		return err
+	}
+	log.Printf("[DEBUG] Selected projects: %s\n", project.Displaytext)
+
+	return projectDescriptionAttributes(d, project)
+}
+
+func projectDescriptionAttributes(d *schema.ResourceData, project *cloudstack.Project) error {
+	d.SetId(project.Id)
+	d.Set("project_id", project.Id)
+	d.Set("created", project.Created)
+	d.Set("display_text", project.Displaytext)
+	d.Set("state", project.State)
+
+	d.Set("tags", tagsToMap(project.Tags))
+
+	return nil
+}
+
+func latestProject(projects []*cloudstack.Project) (*cloudstack.Project, error) {
+	var latest time.Time
+	var project *cloudstack.Project
+
+	for _, i := range projects {
+		created, err := time.Parse("2006-01-02T15:04:05-0700", i.Created)
+		if err != nil {
+			return nil, fmt.Errorf("Failed to parse creation date of an project: %s", err)
+		}
+
+		if created.After(latest) {
+			latest = created
+			project = i
+		}
+	}
+
+	return project, nil
+}
+
+func applyProjectFilters(project *cloudstack.Project, filters *schema.Set) (bool, error) {
+	var projectJSON map[string]interface{}
+	i, _ := json.Marshal(project)
+	err := json.Unmarshal(i, &projectJSON)
+	if err != nil {
+		return false, err
+	}
+
+	for _, f := range filters.List() {
+		m := f.(map[string]interface{})
+		r, err := regexp.Compile(m["value"].(string))
+		if err != nil {
+			return false, fmt.Errorf("Invalid regex: %s", err)
+		}
+		updatedName := strings.ReplaceAll(m["name"].(string), "_", "")
+		projectField := projectJSON[updatedName].(string)
+		if !r.MatchString(projectField) {
+			return false, nil
+		}
+
+	}
+	return true, nil
+}

cloudstack/provider.go

@@ -90,6 +90,7 @@ func Provider() *schema.Provider {
 			"cloudstack_user":             dataSourceCloudstackUser(),
 			"cloudstack_vpn_connection":   dataSourceCloudstackVPNConnection(),
 			"cloudstack_pod":              dataSourceCloudstackPod(),
+			"cloudstack_project":          dataSourceCloudstackProject(),
 		},
 
 		ResourcesMap: map[string]*schema.Resource{