AWX Operator

An Ansible AWX operator for Kubernetes built with Operator SDK and Ansible.

AWX Operator
Table of Contents

Purpose

This operator is meant to provide a more Kubernetes-native installation method for AWX via an AWX Custom Resource Definition (CRD).

Usage

This Kubernetes Operator is meant to be deployed in your Kubernetes cluster(s) and can manage one or more AWX instances in any namespace.

Creating a minikube cluster for testing

If you do not have an existing cluster, the awx-operator can be deployed on a Minikube cluster for testing purposes. Due to different OS and hardware environments, please refer to the official Minikube documentation for further information.

$ minikube start --cpus=4 --memory=6g --addons=ingress
😄  minikube v1.23.2 on Fedora 34
✨  Using the docker driver based on existing profile
👍  Starting control plane node minikube in cluster minikube
🚜  Pulling base image ...
🏃  Updating the running docker "minikube" container ...
🐳  Preparing Kubernetes v1.22.2 on Docker 20.10.8 ...
🔎  Verifying Kubernetes components...
    ▪ Using image gcr.io/k8s-minikube/storage-provisioner:v5
    ▪ Using image k8s.gcr.io/ingress-nginx/controller:v1.0.0-beta.3
    ▪ Using image k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.0
    ▪ Using image k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.0
🔎  Verifying ingress addon...
🌟  Enabled addons: storage-provisioner, default-storageclass, ingress
🏄  Done! kubectl is now configured to use "minikube" cluster and "default" namespace by default

Once Minikube is deployed, check if the node(s) and kube-apiserver communication is working as expected.

$ minikube kubectl -- get nodes
NAME       STATUS   ROLES                  AGE    VERSION
minikube   Ready    control-plane,master   113s   v1.22.2

$ minikube kubectl -- get pods -A
NAMESPACE       NAME                                        READY   STATUS      RESTARTS   AGE
ingress-nginx   ingress-nginx-admission-create--1-kk67h     0/1     Completed   0          2m1s
ingress-nginx   ingress-nginx-admission-patch--1-7mp2r      0/1     Completed   1          2m1s
ingress-nginx   ingress-nginx-controller-69bdbc4d57-bmwg8   1/1     Running     0          2m
kube-system     coredns-78fcd69978-q7nmx                    1/1     Running     0          2m
kube-system     etcd-minikube                               1/1     Running     0          2m12s
kube-system     kube-apiserver-minikube                     1/1     Running     0          2m16s
kube-system     kube-controller-manager-minikube            1/1     Running     0          2m12s
kube-system     kube-proxy-5mmnw                            1/1     Running     0          2m1s
kube-system     kube-scheduler-minikube                     1/1     Running     0          2m15s
kube-system     storage-provisioner                         1/1     Running     0          2m11s

It is not required for kubectl to be separately installed since it comes already wrapped inside minikube. As demonstrated above, simply prefix minikube kubectl -- before kubectl command, i.e. kubectl get nodes would become minikube kubectl -- get nodes

Let's create an alias for easier usage:

$ alias kubectl="minikube kubectl --"

Basic Install

Once you have a running Kubernetes cluster, you can deploy AWX Operator into your cluster using Kustomize. Follow the instructions here to install the latest version of Kustomize: https://kubectl.docs.kubernetes.io/installation/kustomize/

First, create a file called kustomization.yaml with the following content:

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
  # Find the latest tag here: https://github.com/ansible/awx-operator/releases
  - github.com/ansible/awx-operator/config/default?ref=<tag>

# Set the image tags to match the git version from above
images:
  - name: quay.io/ansible/awx-operator
    newTag: <tag>

# Specify a custom namespace in which to install AWX
namespace: awx

TIP: If you need to change any of the default settings for the operator (such as resources.limits), you can add patches at the bottom of your kustomization.yaml file.

Install the manifests by running this:

$ kustomize build . | kubectl apply -f -
namespace/awx created
customresourcedefinition.apiextensions.k8s.io/awxbackups.awx.ansible.com created
customresourcedefinition.apiextensions.k8s.io/awxrestores.awx.ansible.com created
customresourcedefinition.apiextensions.k8s.io/awxs.awx.ansible.com created
serviceaccount/awx-operator-controller-manager created
role.rbac.authorization.k8s.io/awx-operator-awx-manager-role created
role.rbac.authorization.k8s.io/awx-operator-leader-election-role created
clusterrole.rbac.authorization.k8s.io/awx-operator-metrics-reader created
clusterrole.rbac.authorization.k8s.io/awx-operator-proxy-role created
rolebinding.rbac.authorization.k8s.io/awx-operator-awx-manager-rolebinding created
rolebinding.rbac.authorization.k8s.io/awx-operator-leader-election-rolebinding created
clusterrolebinding.rbac.authorization.k8s.io/awx-operator-proxy-rolebinding created
configmap/awx-operator-awx-manager-config created
service/awx-operator-controller-manager-metrics-service created
deployment.apps/awx-operator-controller-manager created

Wait a bit and you should have the awx-operator running:

$ kubectl get pods -n awx
NAME                                               READY   STATUS    RESTARTS   AGE
awx-operator-controller-manager-66ccd8f997-rhd4z   2/2     Running   0          11s

So we don't have to keep repeating -n awx, let's set the current namespace for kubectl:

$ kubectl config set-context --current --namespace=awx

Next, create a file named awx-demo.yaml in the same folder with the suggested content below. The metadata.name you provide will be the name of the resulting AWX deployment.

Note: If you deploy more than one AWX instance to the same namespace, be sure to use unique names.

---
apiVersion: awx.ansible.com/v1beta1
kind: AWX
metadata:
  name: awx-demo
spec:
  service_type: nodeport

Make sure to add this new file to the list of "resources" in your kustomization.yaml file:

...
resources:
  - github.com/ansible/awx-operator/config/default?ref=<tag>
  # Add this extra line:
  - awx-demo.yaml
...

Finally, run kustomize again to create the AWX instance in your cluster:

kustomize build . | kubectl apply -f -

After a few minutes, the new AWX instance will be deployed. You can look at the operator pod logs in order to know where the installation process is at:

$ kubectl logs -f deployments/awx-operator-controller-manager -c awx-manager

After a few seconds, you should see the operator begin to create new resources:

$ kubectl get pods -l "app.kubernetes.io/managed-by=awx-operator"
NAME                        READY   STATUS    RESTARTS   AGE
awx-demo-77d96f88d5-pnhr8   4/4     Running   0          3m24s
awx-demo-postgres-0         1/1     Running   0          3m34s

$ kubectl get svc -l "app.kubernetes.io/managed-by=awx-operator"
NAME                TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)        AGE
awx-demo-postgres   ClusterIP   None           <none>        5432/TCP       4m4s
awx-demo-service    NodePort    10.109.40.38   <none>        80:31006/TCP   3m56s

Once deployed, the AWX instance will be accessible by running:

$ minikube service awx-demo-service --url -n $NAMESPACE

By default, the admin user is admin and the password is available in the <resourcename>-admin-password secret. To retrieve the admin password, run:

$ kubectl get secret awx-demo-admin-password -o jsonpath="{.data.password}" | base64 --decode
yDL2Cx5Za94g9MvBP6B73nzVLlmfgPjR

You just completed the most basic install of an AWX instance via this operator. Congratulations!!!

For an example using the Nginx Controller in Minukube, don't miss our demo video.

Helm Install on existing cluster

For those that wish to use Helm to install the awx-operator to an existing K8s cluster:

$ helm repo add awx-operator https://ansible.github.io/awx-operator/
"awx-operator" has been added to your repositories

$ helm repo update
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "awx-operator" chart repository
Update Complete. ⎈Happy Helming!⎈

$ helm search repo awx-operator
NAME                            CHART VERSION   APP VERSION     DESCRIPTION
awx-operator/awx-operator       0.17.1          0.17.1          A Helm chart for the AWX Operator

$ helm install my-awx-operator awx-operator/awx-operator
NAME: my-awx-operator
LAST DEPLOYED: Thu Feb 17 22:09:05 2022
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
Helm Chart 0.17.1

Admin user account configuration

There are three variables that are customizable for the admin user account creation.

Name	Description	Default
admin_user	Name of the admin user	admin
admin_email	Email of the admin user	[email protected]
admin_password_secret	Secret that contains the admin user password	Empty string

⚠️ admin_password_secret must be a Kubernetes secret and not your text clear password.

If admin_password_secret is not provided, the operator will look for a secret named <resourcename>-admin-password for the admin password. If it is not present, the operator will generate a password and create a Secret from it named <resourcename>-admin-password.

To retrieve the admin password, run kubectl get secret <resourcename>-admin-password -o jsonpath="{.data.password}" | base64 --decode

The secret that is expected to be passed should be formatted as follow:

---
apiVersion: v1
kind: Secret
metadata:
  name: <resourcename>-admin-password
  namespace: <target namespace>
stringData:
  password: mysuperlongpassword

Network and TLS Configuration

Service Type

If the service_type is not specified, the ClusterIP service will be used for your AWX Tower service.

The service_type supported options are: ClusterIP, LoadBalancer and NodePort.

The following variables are customizable for any service_type

Name	Description	Default
service_labels	Add custom labels	Empty string
service_annotations	Add service annotations	Empty string

---
spec:
  ...
  service_type: ClusterIP
  service_annotations: |
    environment: testing
  service_labels: |
    environment: testing

LoadBalancer

The following variables are customizable only when service_type=LoadBalancer

Name	Description	Default
loadbalancer_protocol	Protocol to use for Loadbalancer ingress	http
loadbalancer_port	Port used for Loadbalancer ingress	80

---
spec:
  ...
  service_type: LoadBalancer
  loadbalancer_protocol: https
  loadbalancer_port: 443
  service_annotations: |
    environment: testing
  service_labels: |
    environment: testing

When setting up a Load Balancer for HTTPS you will be required to set the loadbalancer_port to move the port away from 80.

The HTTPS Load Balancer also uses SSL termination at the Load Balancer level and will offload traffic to AWX over HTTP.

NodePort

The following variables are customizable only when service_type=NodePort

Name	Description	Default
nodeport_port	Port used for NodePort	30080

---
spec:
  ...
  service_type: NodePort
  nodeport_port: 30080

Ingress Type

By default, the AWX operator is not opinionated and won't force a specific ingress type on you. So, when the ingress_type is not specified, it will default to none and nothing ingress-wise will be created.

The ingress_type supported options are: none, ingress and route. To toggle between these options, you can add the following to your AWX CRD:

None

---
spec:
  ...
  ingress_type: none

Generic Ingress Controller

The following variables are customizable when ingress_type=ingress. The ingress type creates an Ingress resource as documented which can be shared with many other Ingress Controllers as listed.

Name	Description	Default
ingress_annotations	Ingress annotations	Empty string
ingress_tls_secret	Secret that contains the TLS information	Empty string
hostname	Define the FQDN	{{ meta.name }}.example.com
ingress_path	Define the ingress path to the service	/
ingress_path_type	Define the type of the path (for LBs)	Prefix

---
spec:
  ...
  ingress_type: ingress
  hostname: awx-demo.example.com
  ingress_annotations: |
    environment: testing

Route

The following variables are customizable when ingress_type=route

Name	Description	Default
route_host	Common name the route answers for	`<instance-name>-<namespace>-<routerCanonicalHostname>`
route_tls_termination_mechanism	TLS Termination mechanism (Edge, Passthrough)	Edge
route_tls_secret	Secret that contains the TLS information	Empty string

---
spec:
  ...
  ingress_type: route
  route_host: awx-demo.example.com
  route_tls_termination_mechanism: Passthrough
  route_tls_secret: custom-route-tls-secret-name

Database Configuration

External PostgreSQL Service

To configure AWX to use an external database, the Custom Resource needs to know about the connection details. To do this, create a k8s secret with those connection details and specify the name of the secret as postgres_configuration_secret at the CR spec level.

The secret should be formatted as follows:

---
apiVersion: v1
kind: Secret
metadata:
  name: <resourcename>-postgres-configuration
  namespace: <target namespace>
stringData:
  host: <external ip or url resolvable by the cluster>
  port: <external port, this usually defaults to 5432>
  database: <desired database name>
  username: <username to connect as>
  password: <password to connect with>
  sslmode: prefer
  type: unmanaged
type: Opaque

Please ensure that the value for the variable password should not contain single or double quotes (', ") or backslashes (\) to avoid any issues during deployment, backup or restoration.

It is possible to set a specific username, password, port, or database, but still have the database managed by the operator. In this case, when creating the postgres-configuration secret, the type: managed field should be added.

Note: The variable sslmode is valid for external databases only. The allowed values are: prefer, disable, allow, require, verify-ca, verify-full.

Once the secret is created, you can specify it on your spec:

---
spec:
  ...
  postgres_configuration_secret: <name-of-your-secret>

Migrating data from an old AWX instance

For instructions on how to migrate from an older version of AWX, see migration.md.

Managed PostgreSQL Service

If you don't have access to an external PostgreSQL service, the AWX operator can deploy one for you along side the AWX instance itself.

The following variables are customizable for the managed PostgreSQL service

Name	Description	Default
postgres_image	Path of the image to pull	postgres:12
postgres_init_container_resource_requirements	Database init container resource requirements	requests: {cpu: 10m, memory: 64Mi}
postgres_resource_requirements	PostgreSQL container resource requirements	requests: {cpu: 10m, memory: 64Mi}
postgres_storage_requirements	PostgreSQL container storage requirements	requests: {storage: 8Gi}
postgres_storage_class	PostgreSQL PV storage class	Empty string
postgres_data_path	PostgreSQL data path	`/var/lib/postgresql/data/pgdata`
postgres_priority_class	Priority class used for PostgreSQL pod	Empty string

Example of customization could be:

---
spec:
  ...
  postgres_resource_requirements:
    requests:
      cpu: 500m
      memory: 2Gi
    limits:
      cpu: 1
      memory: 4Gi
  postgres_storage_requirements:
    requests:
      storage: 8Gi
    limits:
      storage: 50Gi
  postgres_storage_class: fast-ssd
  postgres_extra_args:
    - '-c'
    - 'max_connections=1000'

Note: If postgres_storage_class is not defined, Postgres will store it's data on a volume using the default storage class for your cluster.

Advanced Configuration

Deploying a specific version of AWX

There are a few variables that are customizable for awx the image management.

Name	Description	Default
image	Path of the image to pull	quay.io/ansible/awx
image_version	Image version to pull	value of DEFAULT_AWX_VERSION or latest
image_pull_policy	The pull policy to adopt	IfNotPresent
image_pull_secrets	The pull secrets to use	None
ee_images	A list of EEs to register	quay.io/ansible/awx-ee:latest
redis_image	Path of the image to pull	docker.io/redis
redis_image_version	Image version to pull	latest

Example of customization could be:

---
spec:
  ...
  image: myorg/my-custom-awx
  image_version: latest
  image_pull_policy: Always
  image_pull_secrets:
    - pull_secret_name
  ee_images:
    - name: my-custom-awx-ee
      image: myorg/my-custom-awx-ee

Note: The image and image_version are intended for local mirroring scenarios. Please note that using a version of AWX other than the one bundled with the awx-operator is not supported. For the default values, check the main.yml file.

Redis container capabilities

Depending on your kubernetes cluster and settings you might need to grant some capabilities to the redis container so it can start. Set the redis_capabilities option so the capabilities are added in the deployment.

---
spec:
  ...
  redis_capabilities:
    - CHOWN
    - SETUID
    - SETGID

Privileged Tasks

Depending on the type of tasks that you'll be running, you may find that you need the task pod to run as privileged. This can open yourself up to a variety of security concerns, so you should be aware (and verify that you have the privileges) to do this if necessary. In order to toggle this feature, you can add the following to your custom resource:

---
spec:
  ...
  task_privileged: true

If you are attempting to do this on an OpenShift cluster, you will need to grant the awx ServiceAccount the privileged SCC, which can be done with:

$ oc adm policy add-scc-to-user privileged -z awx

Again, this is the most relaxed SCC that is provided by OpenShift, so be sure to familiarize yourself with the security concerns that accompany this action.

Containers Resource Requirements

The resource requirements for both, the task and the web containers are configurable - both the lower end (requests) and the upper end (limits).

Name	Description	Default
web_resource_requirements	Web container resource requirements	requests: {cpu: 100m, memory: 128Mi}
task_resource_requirements	Task container resource requirements	requests: {cpu: 100m, memory: 128Mi}
ee_resource_requirements	EE control plane container resource requirements	requests: {cpu: 100m, memory: 128Mi}

Example of customization could be:

---
spec:
  ...
  web_resource_requirements:
    requests:
      cpu: 250m
      memory: 2Gi
    limits:
      cpu: 1000m
      memory: 4Gi
  task_resource_requirements:
    requests:
      cpu: 250m
      memory: 1Gi
    limits:
      cpu: 2000m
      memory: 2Gi
  ee_resource_requirements:
    requests:
      cpu: 250m
      memory: 100Mi
    limits:
      cpu: 500m
      memory: 2Gi

Priority Classes

The AWX and Postgres pods can be assigned a custom PriorityClass to rank their importance compared to other pods in your cluster, which determines which pods get evicted first if resources are running low. First, create your PriorityClass if needed. Then set the name of your priority class to the control plane and postgres pods as shown below.

---
apiVersion: awx.ansible.com/v1beta1
kind: AWX
metadata:
  name: awx-demo
spec:
  ...
  control_plane_priority_class: awx-demo-high-priority
  postgres_priority_class: awx-demo-medium-priority

Assigning AWX pods to specific nodes

You can constrain the AWX pods created by the operator to run on a certain subset of nodes. node_selector and postgres_selector constrains the AWX pods to run only on the nodes that match all the specified key/value pairs. tolerations and postgres_tolerations allow the AWX pods to be scheduled onto nodes with matching taints. The ability to specify topologySpreadConstraints is also allowed through topology_spread_constraints

Name	Description	Default
postgres_image	Path of the image to pull	12
postgres_image_version	Image version to pull	12
node_selector	AWX pods' nodeSelector	''
topology_spread_constraints	AWX pods' topologySpreadConstraints	''
tolerations	AWX pods' tolerations	''
annotations	AWX pods' annotations	''
postgres_selector	Postgres pods' nodeSelector	''
postgres_tolerations	Postgres pods' tolerations	''

Example of customization could be:

---
spec:
  ...
  node_selector: |
    disktype: ssd
    kubernetes.io/arch: amd64
    kubernetes.io/os: linux
  topology_spread_constraints: |
    - maxSkew: 100
      topologyKey: "topology.kubernetes.io/zone"
      whenUnsatisfiable: "ScheduleAnyway"
      labelSelector:
        matchLabels:
          app.kubernetes.io/name: "<resourcename>"
  tolerations: |
    - key: "dedicated"
      operator: "Equal"
      value: "AWX"
      effect: "NoSchedule"
  postgres_selector: |
    disktype: ssd
    kubernetes.io/arch: amd64
    kubernetes.io/os: linux
  postgres_tolerations: |
    - key: "dedicated"
      operator: "Equal"
      value: "AWX"
      effect: "NoSchedule"

Trusting a Custom Certificate Authority

In cases which you need to trust a custom Certificate Authority, there are few variables you can customize for the awx-operator.

Trusting a custom Certificate Authority allows the AWX to access network services configured with SSL certificates issued locally, such as cloning a project from from an internal Git server via HTTPS. It is common for these scenarios, experiencing the error unable to verify the first certificate.

Name	Description	Default
ldap_cacert_secret	LDAP Certificate Authority secret name	''
ldap_password_secret	LDAP BIND DN Password secret name	''
bundle_cacert_secret	Certificate Authority secret name	''
Please note the `awx-operator` will look for the data field `ldap-ca.crt` in the specified secret when using the `ldap_cacert_secret`, whereas the data field `bundle-ca.crt` is required for `bundle_cacert_secret` parameter.

Example of customization could be:

---
spec:
  ...
  ldap_cacert_secret: <resourcename>-custom-certs
  ldap_password_secret: <resourcename>-ldap-password
  bundle_cacert_secret: <resourcename>-custom-certs

To create the secrets, you can use the commands below:

Certificate Authority secret

# kubectl create secret generic <resourcename>-custom-certs \
    --from-file=ldap-ca.crt=<PATH/TO/YOUR/CA/PEM/FILE>  \
    --from-file=bundle-ca.crt=<PATH/TO/YOUR/CA/PEM/FILE>

LDAP BIND DN Password secret

# kubectl create secret generic <resourcename>-ldap-password \
    --from-literal=ldap-password=<your_ldap_dn_password>

Enabling LDAP Integration at AWX bootstrap

A sample of extra settings can be found as below:

    - setting: AUTH_LDAP_SERVER_URI
      value: >-
        "ldaps://ad01.abc.com:636 ldaps://ad02.abc.com:636"

    - setting: AUTH_LDAP_BIND_DN
      value: >-
        "CN=LDAP User,OU=Service Accounts,DC=abc,DC=com"

    - setting: AUTH_LDAP_USER_SEARCH
      value: 'LDAPSearch("DC=abc,DC=com",ldap.SCOPE_SUBTREE,"(sAMAccountName=%(user)s)",)'

    - setting: AUTH_LDAP_GROUP_SEARCH
      value: 'LDAPSearch("OU=Groups,DC=abc,DC=com",ldap.SCOPE_SUBTREE,"(objectClass=group)",)'

    - setting: AUTH_LDAP_USER_ATTR_MAP
      value: '{"first_name": "givenName","last_name": "sn","email": "mail"}'

    - setting: AUTH_LDAP_REQUIRE_GROUP
      value: >-
        "CN=operators,OU=Groups,DC=abc,DC=com"
    - setting: AUTH_LDAP_USER_FLAGS_BY_GROUP
      value: {
        "is_superuser": [
          "CN=admin,OU=Groups,DC=abc,DC=com"
        ]
      }


    - setting: AUTH_LDAP_ORGANIZATION_MAP
      value: {
        "abc": {
          "admins": "CN=admin,OU=Groups,DC=abc,DC=com",
          "remove_users": false,
          "remove_admins": false,
          "users": true
        }
      }

    - setting: AUTH_LDAP_TEAM_MAP
      value: {
        "admin": {
          "remove": true,
          "users": "CN=admin,OU=Groups,DC=abc,DC=com",
          "organization": "abc"
        }
      }

Persisting Projects Directory

In cases which you want to persist the /var/lib/projects directory, there are few variables that are customizable for the awx-operator.

Name	Description	Default
projects_persistence	Whether or not the /var/lib/projects directory will be persistent	false
projects_storage_class	Define the PersistentVolume storage class	''
projects_storage_size	Define the PersistentVolume size	8Gi
projects_storage_access_mode	Define the PersistentVolume access mode	ReadWriteMany
projects_existing_claim	Define an existing PersistentVolumeClaim to use (cannot be combined with `projects_storage_*`)	''

Example of customization when the awx-operator automatically handles the persistent volume could be:

---
spec:
  ...
  projects_persistence: true
  projects_storage_class: rook-ceph
  projects_storage_size: 20Gi

Custom Volume and Volume Mount Options

In a scenario where custom volumes and volume mounts are required to either overwrite defaults or mount configuration files.

Name	Description	Default
extra_volumes	Specify extra volumes to add to the application pod	''
web_extra_volume_mounts	Specify volume mounts to be added to Web container	''
task_extra_volume_mounts	Specify volume mounts to be added to Task container	''
ee_extra_volume_mounts	Specify volume mounts to be added to Execution container	''
init_container_extra_volume_mounts	Specify volume mounts to be added to Init container	''
init_container_extra_commands	Specify additional commands for Init container	''

⚠️ The ee_extra_volume_mounts and extra_volumes will only take effect to the globally available Execution Environments. For custom ee, please customize the Pod spec.

Example configuration for ConfigMap

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: <resourcename>-extra-config
  namespace: <target namespace>
data:
  ansible.cfg: |
     [defaults]
     remote_tmp = /tmp
     [ssh_connection]
     ssh_args = -C -o ControlMaster=auto -o ControlPersist=60s
  custom.py:  |
      INSIGHTS_URL_BASE = "example.org"
      AWX_CLEANUP_PATHS = True

Example spec file for volumes and volume mounts

---
    spec:
    ...
      extra_volumes: |
        - name: ansible-cfg
          configMap:
            defaultMode: 420
            items:
              - key: ansible.cfg
                path: ansible.cfg
            name: <resourcename>-extra-config
        - name: custom-py
          configMap:
            defaultMode: 420
            items:
              - key: custom.py
                path: custom.py
            name: <resourcename>-extra-config
        - name: shared-volume
          persistentVolumeClaim:
            claimName: my-external-volume-claim

      init_container_extra_volume_mounts: |
        - name: shared-volume
          mountPath: /shared

      init_container_extra_commands: |
        # set proper permissions (rwx) for the awx user
        chmod 775 /shared
        chgrp 1000 /shared

      ee_extra_volume_mounts: |
        - name: ansible-cfg
          mountPath: /etc/ansible/ansible.cfg
          subPath: ansible.cfg

      task_extra_volume_mounts: |
        - name: custom-py
          mountPath: /etc/tower/conf.d/custom.py
          subPath: custom.py
        - name: shared-volume
          mountPath: /shared

⚠️ Volume and VolumeMount names cannot contain underscores(_)

Default execution environments from private registries

In order to register default execution environments from private registries, the Custom Resource needs to know about the pull credentials. Those credentials should be stored as a secret and either specified as ee_pull_credentials_secret at the CR spec level, or simply be present on the namespace under the name <resourcename>-ee-pull-credentials . Instance initialization will register a Container registry type credential on the deployed instance and assign it to the registered default execution environments.

The secret should be formated as follows:

---
apiVersion: v1
kind: Secret
metadata:
  name: <resourcename>-ee-pull-credentials
  namespace: <target namespace>
stringData:
  url: <registry url. i.e. quay.io>
  username: <username to connect as>
  password: <password to connect with>
  ssl_verify: <Optional attribute. Whether verify ssl connection or not. Accepted values "True" (default), "False" >
type: Opaque

Control plane ee from private registry

The images listed in "ee_images" will be added as globally available Execution Environments. The "control_plane_ee_image" will be used to run project updates. In order to use a private image for any of these you'll need to use image_pull_secrets to provide a list of k8s pull secrets to access it. Currently the same secret is used for any of these images supplied at install time.

You can create image_pull_secret

kubectl create secret <resoucename>-cp-pull-credentials regcred --docker-server=<your-registry-server> --docker-username=<your-name> --docker-password=<your-pword> --docker-email=<your-email>

If you need more control (for example, to set a namespace or a label on the new secret) then you can customise the Secret before storing it

Example spec file extra-config

---
apiVersion: v1
kind: Secret
metadata:
  name: <resoucename>-cp-pull-credentials
  namespace: <target namespace>
data:
  .dockerconfigjson: <base64 docker config>
type: kubernetes.io/dockerconfigjson

Exporting Environment Variables to Containers

If you need to export custom environment variables to your containers.

Name	Description	Default
task_extra_env	Environment variables to be added to Task container	''
web_extra_env	Environment variables to be added to Web container	''
ee_extra_env	Environment variables to be added to EE container	''

⚠️ The ee_extra_env will only take effect to the globally available Execution Environments. For custom ee, please customize the Pod spec.

Example configuration of environment variables

  spec:
    task_extra_env: |
      - name: MYCUSTOMVAR
        value: foo
    web_extra_env: |
      - name: MYCUSTOMVAR
        value: foo
    ee_extra_env: |
      - name: MYCUSTOMVAR
        value: foo

With csrf_cookie_secure, you can pass the value for CSRF_COOKIE_SECURE to /etc/tower/settings.py

Name	Description	Default
csrf_cookie_secure	CSRF Cookie Secure	''

Example configuration of the csrf_cookie_secure setting:

  spec:
    csrf_cookie_secure: 'False'

With session_cookie_secure, you can pass the value for SESSION_COOKIE_SECURE to /etc/tower/settings.py

Name	Description	Default
session_cookie_secure	Session Cookie Secure	''

Example configuration of the session_cookie_secure setting:

  spec:
    session_cookie_secure: 'False'

Extra Settings

Withextra_settings, you can pass multiple custom settings via the awx-operator. The parameter extra_settings will be appended to the /etc/tower/settings.py and can be an alternative to the extra_volumes parameter.

Name	Description	Default
extra_settings	Extra settings	''

Example configuration of extra_settings parameter

  spec:
    extra_settings:
      - setting: MAX_PAGE_SIZE
        value: "500"

      - setting: AUTH_LDAP_BIND_DN
        value: "cn=admin,dc=example,dc=com"

No Log

Configure no_log for tasks with no_log

Name	Description	Default
no_log	No log configuration	'true'

Example configuration of no_log parameter

  spec:
    no_log: 'true'

Service Account

If you need to modify some ServiceAccount proprieties

Name	Description	Default
service_account_annotations	Annotations to the ServiceAccount	''

Example configuration of environment variables

  spec:
    service_account_annotations: |
      eks.amazonaws.com/role-arn: arn:aws:iam::<ACCOUNT_ID>:role/<IAM_ROLE_NAME>

Uninstall

To uninstall an AWX deployment instance, you basically need to remove the AWX kind related to that instance. For example, to delete an AWX instance named awx-demo, you would do:

$ kubectl delete awx awx-demo
awx.awx.ansible.com "awx-demo" deleted

Deleting an AWX instance will remove all related deployments and statefulsets, however, persistent volumes and secrets will remain. To enforce secrets also getting removed, you can use garbage_collect_secrets: true.

Upgrading

To upgrade AWX, it is recommended to upgrade the awx-operator to the version that maps to the desired version of AWX. To find the version of AWX that will be installed by the awx-operator by default, check the version specified in the image_version variable in roles/installer/defaults/main.yml for that particular release.

Apply the awx-operator.yml for that release to upgrade the operator, and in turn also upgrade your AWX deployment.

v0.14.0

Cluster-scope to Namespace-scope considerations

Starting with awx-operator 0.14.0, AWX can only be deployed in the namespace that the operator exists in. This is called a namespace-scoped operator. If you are upgrading from an earlier version, you will want to delete your existing awx-operator service account, role and role binding.

Project is now based on v1.x of the operator-sdk project

Starting with awx-operator 0.14.0, the project is now based on operator-sdk 1.x. You may need to manually delete your old operator Deployment to avoid issues.

Steps to upgrade

Delete your old AWX Operator and existing awx-operator service account, role and role binding in default namespace first:

$ kubectl -n default delete deployment awx-operator
$ kubectl -n default delete serviceaccount awx-operator
$ kubectl -n default delete clusterrolebinding awx-operator
$ kubectl -n default delete clusterrole awx-operator

Then install the new AWX Operator by following the instructions in Basic Install. The NAMESPACE environment variable have to be the name of the namespace in which your old AWX instance resides.

Once the new AWX Operator is up and running, your AWX deployment will also be upgraded.

Contributing

Please visit our contributing guidelines.

Release Process

The first step is to create a draft release. Typically this will happen in the Stage Release workflow for AWX and you dont need to do it as a separate step.

If you need to do an independent release of the operator, you can run the Stage Release in the awx-operator repo. Both of these workflows will run smoke tests, so there is no need to do this manually.

After the draft release is created, publish it and the Promote AWX Operator image will run, which will:

Publish image to Quay
Release Helm chart

Join the #ansible-awx channel on irc.libera.chat
Join the mailing list

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