Add CentOS support in devstack federation plugin

Modify the install_federation function for adding Shibboleth repo
and installation for CentOS in federation.sh, and also modify
uninstall_federation function for removing Shibboleth packages
when running `./unstack.sh`.

Partial-bug: #1757000

Change-Id: I8c0f63d0a4fe19eab58e7cba3c49905f35266f9d

1 files changed, 22 insertions, 3 deletions

diff --git a/devstack/lib/federation.sh b/devstack/lib/federation.sh
index 774b7c271..d4acc7ec6 100644
--- a/devstack/lib/federation.sh
+++ b/devstack/lib/federation.sh
@@ -66,10 +66,24 @@ function install_federation {
 
         # Enable the Shibboleth module for Apache
         sudo a2enmod shib2
-    else
+    elif is_fedora; then
         # NOTE(knikolla): For CentOS/RHEL, installing shibboleth is tricky
         # It requires adding a separate repo not officially supported
-        echo "Skipping installation of shibboleth for non ubuntu host"
+
+        # Add Shibboleth repository with curl
+        curl https://download.opensuse.org/repositories/security://shibboleth/CentOS_7/security:shibboleth.repo \
+        | sudo tee /etc/yum.repos.d/shibboleth.repo >/dev/null
+
+        # Install Shibboleth
+        install_package shibboleth
+
+        # Create a new keypair for Shibboleth
+        sudo /etc/shibboleth/keygen.sh -f -o /etc/shibboleth
+
+        # Start Shibboleth module
+        start_service shibd
+    else
+        echo "Skipping installation of shibboleth for non ubuntu nor fedora host"
     fi
 }
 
@@ -153,7 +167,12 @@ function configure_tests_settings {
 function uninstall_federation {
     if is_ubuntu; then
         uninstall_package libapache2-mod-shib2
+    elif is_fedora; then
+        uninstall_package shibboleth
+
+        # Remove Shibboleth repository
+        sudo rm /etc/yum.repos.d/shibboleth.repo
     else
-        echo "Skipping uninstallation of shibboleth for non ubuntu host"
+        echo "Skipping uninstallation of shibboleth for non ubuntu nor fedora host"
     fi
 }