improve handling of environment groups

2 files changed, 68 insertions, 0 deletions

diff --git a/common/utils.sh b/common/utils.sh
new file mode 100644
index 00000000..2749eda6
--- /dev/null
+++ b/common/utils.sh
@@ -0,0 +1,21 @@
+## this contains several helper functions
+
+get_ansible_variable() {
+  local _var_name="$1"
+  local _hosts="$2"
+
+  local _result=$(env ANSIBLE_STDOUT_CALLBACK="json" ansible "$_hosts" -m debug -a "var=$_var_name" | \
+    jq -r ".plays[].tasks[].hosts[].$_var_name" | sort | uniq)
+  if [ $? -ne 0 ] || [ -z "$_result" ]; then
+    return 1
+  fi
+
+  local _num_results=$(echo "$_result" | wc -l)
+  if [ $_num_results -ne 1 ]; then
+    echo "ERROR: hosts may only belong to one environment group but got: $(echo $_result | xargs | sed 's/ /, /g')"
+    return 1
+  fi
+
+  eval "$_var_name"='$(echo "$_result")'
+  return 0
+}
diff --git a/common/vm-install.yml b/common/vm-install.yml
new file mode 100644
index 00000000..a6faf827
--- /dev/null
+++ b/common/vm-install.yml
@@ -0,0 +1,47 @@
+---
+- name: preperations and sanity checks
+  hosts: "{{ vmname }}"
+  gather_facts: no
+  tasks:
+  - name: setup variables
+    set_fact:
+      vm_network_cooked: "{{ vm_network }}"
+      vm_install_cooked: "{{ vm_install }}"
+  - name: create temporary host group for vm host
+    add_host:
+      name: "{{ vm_install.host }}"
+      inventory_dir: "{{inventory_dir}}"
+      group: _vmhost_
+  # TODO: add some sanity checks
+
+- name: basic installation
+  hosts: _vmhost_
+  roles:
+  - role: vm/install
+
+- name: wait for new vm to start up
+  hosts: "{{ vmname }}"
+  gather_facts: no
+  tasks:
+    ## TODO: find a better way to fetch host key of new VMs
+  - name: disable ssh StrictHostKeyChecking for the next step
+    set_fact:
+      ansible_ssh_extra_args: -o StrictHostKeyChecking=no
+  - name: wait for vm to start up
+    wait_for_connection:
+      delay: 5
+      timeout: 120
+  - name: reenable StrictHostKeyChecking
+    set_fact:
+      ansible_ssh_extra_args: ""
+
+### TODO: fix path to host_playbook
+##- import_playbook: "host_playbooks/{{ vmname }}.yml"
+
+- name: reboot and wait for VM come back
+  hosts: "{{ vmname }}"
+  gather_facts: no
+  roles:
+  - role: reboot-and-wait
+    reboot_delay: 10
+    reboot_timeout: 120