Add workaround for CentOS 7 (#558)

Change the base package of RPM from CentOS 7 to Amazon Linux 2

CHANGELOG.md

@@ -32,6 +32,9 @@
 * Add packages for Ubuntu 24.04
 * Remove "report" functionality
   - This has long been deprecated. Removing the code as a cleanup
+* Stop building packages for CentOS 7 / RHEL 7
+  * CentOS 7 / RHEL 7 is end of life. The minimum required glibc version for RPM packages is
+    now 2.26 (e.g. Amazon Linux 2)
 
 
 ## 0.56.0      2024-04-19

packages/README.md

@@ -31,8 +31,8 @@ When changing the initial package build step one needs to be careful to not incr
 
 Currently the following minimum glibc versions apply:
 
-* RPM, systemd: glibc 2.17 (CentOS 7)
-* DEB, systemd: glibc 2.19 (Debian Jessie)
+* RPM, systemd: glibc 2.26 (Amazon Linux 2)
+* DEB, systemd: glibc 2.31 (Debian Bullseye)
 
 
 Requirements

packages/repo/Dockerfile.repo-rpm

@@ -1,7 +1,4 @@
-FROM centos:7
-
-# Replace with ARM base image when building on ARM:
-#FROM arm64v8/centos:7
+FROM amazonlinux:2
 
 # Build arguments
 ARG VERSION

packages/src/Dockerfile.build.rpm-systemd

@@ -1,4 +1,4 @@
-FROM centos:7
+FROM amazonlinux:2
 
 ARG TARGETARCH
 ENV GOPATH /go
@@ -9,12 +9,14 @@ ENV ROOT_DIR /root
 ENV SOURCE_DIR /source
 
 # Packages required for both building and packaging
-#
+RUN yum install -y centos-release-scl scl-utils tar make git rpmdevtools gcc
+
 # This uses Ruby 3.0 since 2.7 (which still used for Debian builds) does not work with fpm: https://github.com/jordansissel/fpm/issues/2048#issuecomment-1972196104
-RUN yum install -y centos-release-scl scl-utils tar make git rpmdevtools gcc && yum install -y rh-ruby30 rh-ruby30-ruby-devel
+RUN amazon-linux-extras install ruby3.0
+RUN yum install -y ruby-devel
 
 # FPM
-RUN source scl_source enable rh-ruby30 && gem install fpm -v 1.14.1
+RUN gem install fpm -v 1.14.1
 
 # Golang
 RUN curl -o go.tar.gz -sSL "https://go.dev/dl/go${GOVERSION}.linux-${TARGETARCH}.tar.gz"
@@ -50,7 +52,7 @@ RUN cp $CODE_DIR/contrib/sslrootcert/* $SOURCE_DIR/usr/share/pganalyze-collector
 
 # Build the package
 WORKDIR $ROOT_DIR
-RUN scl enable rh-ruby30 -- fpm \
+RUN fpm \
   -n $NAME -v ${VERSION} -t rpm --rpm-os linux \
   --config-files /etc/pganalyze-collector.conf \
   --after-install $CODE_DIR/packages/src/rpm-systemd/post.sh \

packages/test/Makefile

@@ -9,7 +9,8 @@ docker_test_and_clean = docker exec pga-collector-test /root/systemd_test.sh &&
 
 # Note: The default list excludes rockylinux9 since there is an open issue with
 # /sbin/init not being present, see https://github.com/rocky-linux/sig-cloud-instance-images/issues/39
-DISTROS=centos7 rhel8 rockylinux8 rhel9 fedora36 fedora37 amazonlinux2 amazonlinux2023 ubuntu-focal ubuntu-jammy ubuntu-noble debian-bullseye debian-bookworm
+# Note: The default list also excludes centos7 since it's EOL, we will drop the support near future
+DISTROS=rhel8 rockylinux8 rhel9 fedora36 fedora37 amazonlinux2 amazonlinux2023 ubuntu-focal ubuntu-jammy ubuntu-noble debian-bullseye debian-bookworm
 
 .PHONY: all $(DISTROS)