fixes BZ-1414625. Check for httpd-tools and java before install

openshift-ansible.spec

@@ -18,6 +18,7 @@ Requires:      python2
 Requires:      python-six
 Requires:      tar
 Requires:      openshift-ansible-docs = %{version}-%{release}
+Requires:      httpd-tools
 
 %description
 Openshift and Atomic Enterprise Ansible

roles/openshift_metrics/README.md

@@ -5,6 +5,10 @@ OpenShift Metrics Installation
 
 Requirements
 ------------
+This role has the following dependencies:
+
+- Java is required on the control node to generate keystores for the Java components
+- httpd-tools is required on the control node to generate various passwords for the metrics components
 
 The following variables need to be set and will be validated:
 

roles/openshift_metrics/tasks/install_support.yaml

@@ -1,4 +1,22 @@
 ---
+- name: Check control node to see if htpasswd is installed
+  local_action: command which htpasswd
+  register: htpasswd_check
+  failed_when: no
+  changed_when: no
+
+- fail: msg="'htpasswd' is unavailable. Please install httpd-tools on the control node"
+  when: htpasswd_check.rc  == 1
+
+- name: Check control node to see if keytool is installed
+  local_action: command which htpasswd
+  register: keytool_check
+  failed_when: no
+  changed_when: no
+
+- fail: msg="'keytool' is unavailable. Please install java-1.8.0-openjdk-headless on the control node"
+  when: keytool_check.rc  == 1
+
 - include: generate_certificates.yaml
 - include: generate_serviceaccounts.yaml
 - include: generate_services.yaml