From 9011a67dd027caa859a9fdc16c6f6f2dbfd961fd Mon Sep 17 00:00:00 2001
From: Major Hayden <major@redhat.com>
Date: Tue, 30 Jun 2020 07:35:03 -0500
Subject: [PATCH] Switch Fedora mock builds to minimal images

Use minimal images when building RPMs via mock on Fedora (PR for RHEL
will come later).

Signed-off-by: Major Hayden <major@redhat.com>
---
 schutzbot/Jenkinsfile  |  4 ++--
 schutzbot/mockbuild.sh | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/schutzbot/Jenkinsfile b/schutzbot/Jenkinsfile
index 92d0af46e..78a7cbda4 100644
--- a/schutzbot/Jenkinsfile
+++ b/schutzbot/Jenkinsfile
@@ -36,7 +36,7 @@ pipeline {
 
             parallel {
                 stage('Fedora 31') {
-                    agent { label "fedora31" }
+                    agent { label "f31 && minimal" }
                     environment {
                         AWS_CREDS = credentials('aws-credentials-osbuildci')
                     }
@@ -50,7 +50,7 @@ pipeline {
                     }
                 }
                 stage('Fedora 32') {
-                    agent { label "fedora32" }
+                    agent { label "f32 && minimal" }
                     environment {
                         AWS_CREDS = credentials('aws-credentials-osbuildci')
                     }
diff --git a/schutzbot/mockbuild.sh b/schutzbot/mockbuild.sh
index eed879067..5e2e95294 100755
--- a/schutzbot/mockbuild.sh
+++ b/schutzbot/mockbuild.sh
@@ -9,12 +9,28 @@ function greenprint {
 # Get OS details.
 source /etc/os-release
 
+# Prepare dnf on Fedora for performance.
+if [[ $ID == fedora ]]; then
+    sudo rm -f /etc/yum.repos.d/fedora*modular*
+    echo -e "fastestmirror=1\ninstall_weak_deps=0" | sudo tee -a /etc/dnf/dnf.conf
+fi
+
+# Install requirements for building RPMs in mock.
+greenprint "📦 Installing mock requirements"
+sudo dnf -y install createrepo_c make mock rpm-build
+
 # Install s3cmd if it is not present.
-if ! s3cmd --version; then
+if ! s3cmd --version > /dev/null 2>&1; then
     greenprint "📦 Installing s3cmd"
     sudo pip3 install s3cmd
 fi
 
+# Enable fastestmirror for mock on Fedora.
+if [[ $ID == fedora ]]; then
+    sudo sed -i '/^install_weak_deps=.*/a fastestmirror=1' \
+        /etc/mock/templates/fedora-branched.tpl
+fi
+
 # Jenkins sets a workspace variable as the root of its working directory.
 WORKSPACE=${WORKSPACE:-$(pwd)}