CPU Requests Not Set
- Query id: 577ac19c-6a77-46d7-9f14-e049cdd15ec2
- Query name: CPU Requests Not Set
- Platform: Terraform
- Severity: Medium
- Category: Resource Management
- URL: Github
Description¶
CPU requests should be set to ensure the sum of the resource requests of the scheduled Containers is less than the capacity of the node
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Postitive test num. 1 - tf file
resource "kubernetes_pod" "positive1" {
metadata {
name = "terraform-example"
}
spec {
container = [
{
image = "nginx:1.7.9"
name = "example22"
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
,
{
image = "nginx:1.7.9"
name = "example22222"
resources = {
requests = {
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
]
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_pod" "positive2" {
metadata {
name = "terraform-example"
}
spec {
container {
image = "nginx:1.7.9"
name = "example"
resources {
limits {
cpu = "0.5"
memory = "512Mi"
}
}
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
Code samples without security vulnerabilities¶
Negative test num. 1 - tf file
resource "kubernetes_pod" "negative1" {
metadata {
name = "terraform-example"
}
spec {
container = [
{
image = "nginx:1.7.9"
name = "example22"
resources = {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
,
{
image = "nginx:1.7.9"
name = "example22222"
resources = {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
]
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_pod" "negative2" {
metadata {
name = "terraform-example"
}
spec {
container {
image = "nginx:1.7.9"
name = "example"
resources {
limits {
cpu = "0.5"
memory = "512Mi"
}
requests {
cpu = "250m"
memory = "50Mi"
}
}
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}