Remove rkt support (#4671)

contrib/vault/roles/vault/tasks/shared/check_vault.yml

@@ -1,7 +1,7 @@
 ---
 # Stop temporary Vault if it's running (can linger if playbook fails out)
 - name: stop vault-temp container
-  shell: docker stop {{ vault_temp_container_name }} || rkt stop {{ vault_temp_container_name }}
+  shell: docker stop {{ vault_temp_container_name }}
   failed_when: false
   register: vault_temp_stop
   changed_when: vault_temp_stop is succeeded

contrib/vault/roles/vault/templates/rkt.service.j2

@@ -1,45 +0,0 @@
-[Unit]
-Description=hashicorp vault on rkt
-Documentation=https://github.com/hashicorp/vault
-Wants=network.target
-
-[Service]
-User=root
-Restart=on-failure
-RestartSec=10s
-TimeoutStartSec=5
-LimitNOFILE=40000
-# Container has the following internal mount points:
-#   /vault/file/    # File backend storage location
-#   /vault/logs/    # Log files
-ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/run/vault.uuid
-
-ExecStart=/usr/bin/rkt run \
-        --insecure-options=image \
-        --volume hosts,kind=host,source=/etc/hosts,readOnly=true \
-        --mount volume=hosts,target=/etc/hosts \
-        --volume=volume-vault-file,kind=host,source=/var/lib/vault \
-        --volume=volume-vault-logs,kind=host,source={{ vault_log_dir }} \
-        --volume=vault-cert-dir,kind=host,source={{ vault_cert_dir }} \
-        --mount=volume=vault-cert-dir,target={{ vault_cert_dir }} \
-        --volume=vault-conf-dir,kind=host,source={{ vault_config_dir }} \
-        --mount=volume=vault-conf-dir,target={{ vault_config_dir }} \
-        --volume=vault-secrets-dir,kind=host,source={{ vault_secrets_dir }} \
-        --mount=volume=vault-secrets-dir,target={{ vault_secrets_dir }} \
-        --volume=vault-roles-dir,kind=host,source={{ vault_roles_dir }} \
-        --mount=volume=vault-roles-dir,target={{ vault_roles_dir }} \
-        --volume=etcd-cert-dir,kind=host,source={{ etcd_cert_dir }} \
-        --mount=volume=etcd-cert-dir,target={{ etcd_cert_dir }} \
-        docker://{{ vault_image_repo }}:{{ vault_image_tag }} \
-        --uuid-file-save=/var/run/vault.uuid \
-        --name={{ vault_container_name }} \
-        --net=host \
-        --caps-retain=CAP_IPC_LOCK \
-        --exec vault -- \
-                server \
-                --config={{ vault_config_dir }}/config.json
-
-ExecStop=-/usr/bin/rkt stop --uuid-file=/var/run/vault.uuid
-
-[Install]
-WantedBy=multi-user.target

contrib/vault/vault.md

@@ -93,6 +93,6 @@ Potential Work
 - Change the Vault role to not run certain tasks when ``root_token`` and
   ``unseal_keys`` are not present. Alternatively, allow user input for these
   values when missing.
-- Add the ability to start temp Vault with Host, Rkt, or Docker
+- Add the ability to start temp Vault with Host or Docker
 - Add a dynamic way to change out the backend role creation during Bootstrap,
   so other services can be used (such as Consul)