epm play: add k3s

pack.d/k3s.sh

+#!/bin/sh
+
+TAR="$1"
+RETURNTARNAME="$2"
+VERSION="$3"
+
+. $(dirname $0)/common.sh
+
+PKGNAME=$PRODUCT-$VERSION
+
+install -D $TAR usr/bin/$PRODUCT || fatal
+ln -s $PRODUCT usr/bin/kubectl
+erc pack $PKGNAME.tar usr/bin/$PRODUCT usr/bin/kubectl
+
+return_tar $PKGNAME.tar

play.d/k3s.sh

+#!/bin/sh
+
+PKGNAME=k3s
+SUPPORTEDARCHES="x86_64 aarch64 armhf"
+VERSION="$2"
+DESCRIPTION="K3s - Lightweight Kubernetes from the official site"
+URL="https://k3s.io"
+
+. $(dirname $0)/common.sh
+
+
+arch="$(epm print info -a)"
+case "$arch" in
+    x86_64)
+        file="k3s"
+        ;;
+    armhf)
+        file="k3s-armhf"
+        ;;
+    aarch64)
+        file="k3s-arm64"
+        ;;
+    *)
+        fatal "$arch arch is not supported"
+        ;;
+esac
+
+# TODO: support for install any version
+#if [ "$VERSION" = "*" ] ; then
+#fi
+
+PKGURL="$(eget --list --latest https://github.com/k3s-io/k3s/releases "$file")"
+
+#direct url:
+#https://github.com/k3s-io/k3s/releases/download/v1.27.1-rc3%2Bk3s1/k3s
+
+VERSION="$(echo "$PKGURL" | sed -e 's|.*download/v||' -e 's|%2Bk3s1.*||' -e 's|-.*||')"
+epm pack --install $PKGNAME "$PKGURL" $VERSION

repack.d/k3s.sh

+#!/bin/sh -x
+
+# It will be run with two args: buildroot spec
+BUILDROOT="$1"
+SPEC="$2"
+
+. $(dirname $0)/common.sh
+
+subst "s|^Group:.*|Group: File tools|" $SPEC
+subst "s|^License:.*$|License: Apache-2.0|" $SPEC
+subst "s|^URL:.*|URL: https://k3s.io|" $SPEC
+subst "s|^Summary:.*|Summary: K3s - Lightweight Kubernetes|" $SPEC
+
+subst '1iAutoReq:no' $SPEC
+subst '1iAutoProv:no' $SPEC
+
+#subst '1iConflicts: go-ipfs' $SPEC
+#subst '1iProvides: go-ipfs' $SPEC
+
+# Check https://get.k3s.io/
+
+mkdir -p usr/lib/systemd/system/
+cat >usr/lib/systemd/system/k3s.service << EOF
+[Unit]
+Description=Lightweight Kubernetes
+Documentation=https://k3s.io
+Wants=network-online.target
+After=network-online.target
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+Type=notify
+EnvironmentFile=-/etc/default/%N
+EnvironmentFile=-/etc/sysconfig/%N
+EnvironmentFile=-/etc/systemd/system/k3s.service.env
+KillMode=process
+Delegate=yes
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNOFILE=1048576
+LimitNPROC=infinity
+LimitCORE=infinity
+TasksMax=infinity
+TimeoutStartSec=0
+Restart=always
+RestartSec=5s
+ExecStartPre=-/sbin/modprobe br_netfilter
+ExecStartPre=-/sbin/modprobe overlay
+ExecStart=/usr/bin/k3s server
+
+EOF
+
+pack_file /usr/lib/systemd/system/k3s.service
+
+mkdir -p etc/systemd/system/
+cat >etc/systemd/system/k3s.service.env << EOF
+# K3S_URL=
+# K3S_TOKEN=
+# K3S_CLUSTER_SECRET=
+EOF
+
+pack_file /etc/systemd/system/k3s.service.env
+