diff --git a/README.md b/README.md
index 5806c64..feda154 100644
--- a/README.md
+++ b/README.md
@@ -74,29 +74,30 @@ However, you have to be consistent across variables, you cannot mix styles.
## Inputs
-| Name | Description | Type | Default | Required |
-| ------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- | -------------------------------------------------------------------------------------------------------------- | :------: |
-| annotations | Map of annotations to add on containers. | `map(string)` | `{}` | no |
-| args | Arguments to pass to the container | `any` | `{}` | no |
-| command | Command that the container will run | `any` | `{}` | no |
-| environment\_variables | Map of environment variables to inject in containers. | `any` | `{}` | no |
-| environment\_variables\_from\_secret | Map of environment variables to inject in containers, from existing secrets. | `any` | `{}` | no |
-| hpa | settings for the horizontal pod autoscaler | `any` | {
"enabled": false,
"max_replicas": 6,
"min_replicas": 2,
"target_cpu": 80
} | no |
-| image | The image to deploy. | `any` | n/a | yes |
-| image\_pull\_secrets | List of image pull secrets to use with the containers | `list(string)` | `[]` | no |
-| inject\_linkerd | Add the necessary annotations for linkerd injection | `bool` | `false` | no |
-| liveness\_probes | Map of liveness probes per container. Pass the regular terraform object as is : https://www.terraform.io/docs/providers/kubernetes/r/deployment.html#liveness_probe-1 | `any` | n/a | yes |
-| name | The name of the deployment. Will be used for all other resources | `string` | n/a | yes |
-| namespace | The namespace where this deployment will live. Must exists. | `string` | n/a | yes |
-| node\_selector | Map of labels and values for node selection | `map(string)` | `{}` | no |
-| ports | Map of ports to expose, and associated settings. | `any` | `{}` | no |
-| readiness\_probes | Map of readiness probes per container. Pass the regular terraform object as is : https://www.terraform.io/docs/providers/kubernetes/r/deployment.html#readiness_probe-1 | `any` | n/a | yes |
-| replicas | Amount of replicas | `number` | `1` | no |
-| resources\_limits | Map of resources limits to assign to the container | `map` | {
"cpu": "0.2",
"memory": "256Mi"
} | no |
-| resources\_requests | Map of resources requests to assign to the container | `map` | {
"cpu": "0.1",
"memory": "128Mi"
} | no |
-| volume\_mounts | Map of volumes to mount. | `any` | `{}` | no |
-| volumes\_mounts\_from\_config\_map | Map of volumes to mount from config maps. | `any` | `{}` | no |
-| volumes\_mounts\_from\_secret | Map of volumes to mount from secrets. | `any` | `{}` | no |
+| Name | Description | Type | Default | Required |
+| ------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | -------------------------------------------------------------------------------------------------------------- | :------: |
+| annotations | Map of annotations to add on containers. | `map(string)` | `{}` | no |
+| args | Arguments to pass to the container | `any` | `{}` | no |
+| command | Command that the container will run | `any` | `{}` | no |
+| environment\_variables | Map of environment variables to inject in containers. | `any` | `{}` | no |
+| environment\_variables\_from\_secret | Map of environment variables to inject in containers, from existing secrets. | `any` | `{}` | no |
+| host\_aliases | Host aliases to set up in the pod. | `map(list(string))` | `{}` | no |
+| hpa | settings for the horizontal pod autoscaler | `any` | {
"enabled": false,
"max_replicas": 6,
"min_replicas": 2,
"target_cpu": 80
} | no |
+| image | The image to deploy. | `any` | n/a | yes |
+| image\_pull\_secrets | List of image pull secrets to use with the containers | `list(string)` | `[]` | no |
+| inject\_linkerd | Add the necessary annotations for linkerd injection | `bool` | `false` | no |
+| liveness\_probes | Map of liveness probes per container. Pass the regular terraform object as is : https://www.terraform.io/docs/providers/kubernetes/r/deployment.html#liveness_probe-1 | `any` | n/a | yes |
+| name | The name of the deployment. Will be used for all other resources | `string` | n/a | yes |
+| namespace | The namespace where this deployment will live. Must exists. | `string` | n/a | yes |
+| node\_selector | Map of labels and values for node selection | `map(string)` | `{}` | no |
+| ports | Map of ports to expose, and associated settings. | `any` | `{}` | no |
+| readiness\_probes | Map of readiness probes per container. Pass the regular terraform object as is : https://www.terraform.io/docs/providers/kubernetes/r/deployment.html#readiness_probe-1 | `any` | n/a | yes |
+| replicas | Amount of replicas | `number` | `1` | no |
+| resources\_limits | Map of resources limits to assign to the container | `map` | {
"cpu": "0.2",
"memory": "256Mi"
} | no |
+| resources\_requests | Map of resources requests to assign to the container | `map` | {
"cpu": "0.1",
"memory": "128Mi"
} | no |
+| volume\_mounts | Map of volumes to mount. | `any` | `{}` | no |
+| volumes\_mounts\_from\_config\_map | Map of volumes to mount from config maps. | `any` | `{}` | no |
+| volumes\_mounts\_from\_secret | Map of volumes to mount from secrets. | `any` | `{}` | no |
## Example values
@@ -259,6 +260,16 @@ annotations = {
}
```
+### Host aliases
+
+A map `{string = list(string)}` defining host aliases to set up in the pod.
+```hcl
+host_aliases = {
+ "127.0.0.1" = ["foo.bar"],
+ "127.0.0.128" = ["bar.baz", "baz.qux"]
+}
+```
+
## Terraform plan output with the example values
diff --git a/deployment.tf b/deployment.tf
index d1aa573..cbb67f8 100644
--- a/deployment.tf
+++ b/deployment.tf
@@ -26,6 +26,13 @@ resource "kubernetes_deployment" "container" {
}
spec {
+ dynamic "host_aliases" {
+ for_each = var.host_aliases
+ content {
+ hostnames = host_aliases.value
+ ip = host_aliases.key
+ }
+ }
automount_service_account_token = true
diff --git a/doc.tfvars b/doc.tfvars
index 15e875b..689f048 100644
--- a/doc.tfvars
+++ b/doc.tfvars
@@ -42,6 +42,11 @@ annotations = {
"bar" = "baz"
}
+host_aliases = {
+ "127.0.0.1" = ["foo.bar"],
+ "8.8.8.8" = ["bar.baz", "baz.qux"]
+}
+
environment_variables_from_secret = {
"container-a" = {
"FOO_SECRET" = {
diff --git a/test/terraform_apply_destroy_test.go b/test/terraform_apply_destroy_test.go
index b230de2..1534e73 100644
--- a/test/terraform_apply_destroy_test.go
+++ b/test/terraform_apply_destroy_test.go
@@ -89,7 +89,7 @@ func TestApplyAndDestroyWithDefaultValues(t *testing.T) {
pod := pods[0]
container := pod.Spec.Containers[0]
- assert.Equal(t,len(pods),2)
+ assert.Equal(t, len(pods), 2)
assert.Equal(t, "training/webapp:latest", container.Image)
assert.NotContains(t, pod.ObjectMeta.Annotations, "linkerd.io/inject")
assert.Contains(t, pod.ObjectMeta.Annotations, "foo")
@@ -135,6 +135,10 @@ func TestApplyAndDestroyWithSingleContainer(t *testing.T) {
options.Vars["image_pull_secrets"] = []string{"'my-secret'", "'my-other-secret'"}
+ options.Vars["host_aliases"] = map[string]interface{}{
+ "127.0.0.1": []string{"foo.bar", "bar.baz"},
+ }
+
options.Vars["liveness_probes"] = map[string]interface{}{
"tcp_socket": map[string]interface{}{
"port": 5000,
@@ -176,12 +180,14 @@ func TestApplyAndDestroyWithSingleContainer(t *testing.T) {
pod := pods[0]
container := pod.Spec.Containers[0]
- assert.Equal(t,len(pods),1)
+ assert.Equal(t, len(pods), 1)
assert.Equal(t, "training/webapp:latest", container.Image)
assert.Contains(t, pod.ObjectMeta.Annotations, "linkerd.io/inject")
assert.Contains(t, pod.ObjectMeta.Annotations, "foo")
assert.Contains(t, pod.ObjectMeta.Annotations, "bar")
assert.Equal(t, "bar", pod.ObjectMeta.Annotations["foo"])
+ assert.EqualValues(t, "127.0.0.1", pod.Spec.HostAliases[0].IP)
+ assert.EqualValues(t, []string{"foo.bar", "bar.baz"}, pod.Spec.HostAliases[0].Hostnames)
assert.Equal(t, "enabled", pod.ObjectMeta.Annotations["linkerd.io/inject"])
}
diff --git a/variables.tf b/variables.tf
index bb6388d..93e1939 100644
--- a/variables.tf
+++ b/variables.tf
@@ -25,6 +25,11 @@ variable "inject_linkerd" {
description = "Add the necessary annotations for linkerd injection"
}
+variable "host_aliases" {
+ type = map(list(string))
+ default = {}
+}
+
variable "args" {
type = any
description = "Arguments to pass to the container"