export eC2 instance to csv

README.md

@@ -33,6 +33,9 @@ AWS also offers a similar dashboard in the AWS console, and such data is availab
 
 - Go (1.16 or later)
 - AWS CLI credentials set in the shell environment, for a user/role configured with appropriate permissions.
+- export AWS_ACCESS_KEY_ID=""
+- export AWS_SECRET_ACCESS_KEY=""
+- export AWS_SESSION_TOKEN=""
 
 ## Installation
 
@@ -48,6 +51,15 @@ After installation, you can run the tool with:
 aws-ipv4-costs-viewer
 ```
 
+## Export to csv
+
+```bash
+go run . --export-csv
+```
+This will  create ec2_instances.csv
+
+
+
 Navigate through the UI using the arrow keys. Press `ESC` to exit.
 
 ## Related Projects

export.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+    "encoding/csv"
+    "fmt"
+    "os"
+)
+
+// ExportToCSV exports EC2 instance data to a CSV file
+func ExportToCSV(instances []EC2InstanceInfo, filename string) error {
+    file, err := os.Create(filename)
+    if err != nil {
+        return fmt.Errorf("failed to create file: %v", err)
+    }
+    defer file.Close()
+
+    writer := csv.NewWriter(file)
+    defer writer.Flush()
+
+    // Write CSV headers
+    headers := []string{"Region", "Name Tag", "Instance State", "Instance ID", "Public IP", "VPC ID", "Subnet ID", "Cost"}
+    if err := writer.Write(headers); err != nil {
+        return fmt.Errorf("failed to write headers: %v", err)
+    }
+
+    // Write instance data to CSV
+    for _, instance := range instances {
+        record := []string{
+            instance.Region,
+            instance.NameTag,
+            instance.InstanceState,
+            instance.InstanceID,
+            instance.PublicIP,
+            instance.VPCID,
+            instance.SubnetID,
+            fmt.Sprintf("%.2f", instance.Cost),
+        }
+        if err := writer.Write(record); err != nil {
+            return fmt.Errorf("failed to write record: %v", err)
+        }
+    }
+
+    return nil
+}
+
+
+

go.sum

@@ -1,35 +1,37 @@
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main.go

@@ -14,7 +14,7 @@
  * along with this program. If not, see <https://opensource.org/licenses/OSL-3.0>.
  */
 
-package main
+ package main
 
 import (
 	"context"
@@ -54,3 +54,7 @@ func fetchRegions(client *ec2.Client) ([]types.Region, error) {
 	}
 	return regions.Regions, nil
 }
+
+
+
+