From 376a25118366ad17fa10f5d66b1ad2c78ad59bd7 Mon Sep 17 00:00:00 2001
From: Klesh Wong <klesh@qq.com>
Date: Mon, 11 Jan 2021 01:18:21 +0800
Subject: [PATCH] [feature] local-path-storage for k3s

---
 bin/backup-localstorage | 13 +++++++++++
 devel/k3s.sh            | 51 ++---------------------------------------
 2 files changed, 15 insertions(+), 49 deletions(-)
 create mode 100644 bin/backup-localstorage

diff --git a/bin/backup-localstorage b/bin/backup-localstorage
new file mode 100644
index 0000000..f2014ee
--- /dev/null
+++ b/bin/backup-localstorage
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# backup
+kubectl get pv -A -o json | jq '.items[] | select(.spec.storageClassName == "sc-1-name" or .spec.storageClassName == "sc-2-name")' | jq -M 'del(.spec.claimRef)' > volumes.json
+kubectl get pvc -A -o json | jq '.items[] | select(.spec.storageClassName == "sc-1-name" or .spec.storageClassName == "sc-2-name")' > claims.json
+tar czf data.tar.gz /data
+
+
+# restore
+tar xzf data.tar.gz
+
+kubectl create claims.json
+kubectl create volumes.json
diff --git a/devel/k3s.sh b/devel/k3s.sh
index d5db3cc..adfcff4 100755
--- a/devel/k3s.sh
+++ b/devel/k3s.sh
@@ -15,58 +15,12 @@ IP=$2
 EMAIL=$3
 CERT_MANAGER=https://github.com/jetstack/cert-manager/releases/download/v0.11.0/cert-manager.yaml
 
-#SHA_URL=https://github.com/k3s-io/k3s/releases/download/v1.20.0%2Bk3s2/sha256sum-amd64.txt
-#K3S_URL=https://github.com/k3s-io/k3s/releases/download/v1.20.0%2Bk3s2/k3s
-#INSTALL_URL=https://github.com/k3s-io/k3s/raw/v1.20.0%2Bk3s2/install.sh
-
-#verify_sha() {
-    #[ -f /tmp/k3s ]
-    #! [ -f /tmp/k3s_sha ] && curl -sL $SHA_URL | grep -oP '\w+\s+k3s$' | awk '{print $1}' > /tmp/k3s_sha
-    #if ! grep -qF "$(sha256sum /tmp/k3s | awk '{print $1}')" /tmp/k3s_sha ;then
-        #echo "invalid sha256sum"
-        #rm -f /tmp/k3s
-        #return 1
-    #fi
-#}
-
-#download_k3s() {
-    #if [ ! -f /tmp/k3s ] ; then
-        #echo "downloading k3s"
-        #curl -Lo /tmp/k3s "$K3S_URL"
-    #fi
-#}
-
-if in_china && [ -z "$HTTPS_PROXY" ] ; then
-    echo "Please setup HTTPS_PROXY first! "
-    exit 1
-fi
-
-# download k3s binary and upload to server
-#if ! ssh "$SSH" "command -v k3s >/dev/null" ;then
-    #while ! verify_sha ; do
-        #download_k3s
-    #done
-    #scp /tmp/k3s "$SSH:~/k3s"
-    #ssh "$SSH" "sudo mv k3s /usr/local/bin/ && sudo chmod +x /usr/local/bin/k3s"
-#fi
-
-# install k3s
-#if ! ssh "$SSH" "command -v crictl >/dev/null"; then
-    #! [ -f /tmp/k3s_install.sh ] && curl -Lo /tmp/k3s_install.sh "$INSTALL_URL"
-    #scp /tmp/k3s_install.sh "$SSH:~/k3s_install.sh"
-    #ssh "$SSH" '
-    #export INSTALL_K3S_SKIP_DOWNLOAD=true
-    #export INSTALL_K3S_EXEC="--tls-san '"$IP"' --node-external-ip '"$IP"'"
-    #sh k3s_install.sh
-    #'
-#fi
-
 # install ks3
 ssh "$SSH" '
 if ! command -v k3s >/dev/null ; then
     export INSTALL_K3S_MIRROR=cn
     export INSTALL_K3S_VERSION=v1.20.0-k3s2
-    export INSTALL_K3S_EXEC="--tls-san '"$IP"' --node-external-ip '"$IP"' --disable traefik"
+    export INSTALL_K3S_EXEC="--tls-san '"$IP"' --node-external-ip '"$IP"' --disable traefik --default-local-storage-path /data"
     curl -sfL http://rancher-mirror.cnrancher.com/k3s/k3s-install.sh | sh -
 fi
 '
@@ -93,13 +47,12 @@ sudo systemctl restart k3s
 '
 
 # setup https traefik
-scp $DIR/k3s/*.yaml "$SSH:"
+scp "$DIR"/k3s/*.yaml "$SSH:"
 ssh "$SSH" '
 sudo kubectl apply -f traefik-crd.yaml
 sed -i "s/EMAIL/'"$EMAIL"'/" traefik-dpy.yaml
 sudo kubectl apply -f traefik-dpy.yaml
 sudo kubectl wait --for=condition=available --timeout=600s  deployment/traefik -n default
-#sudo kubectl port-forward --address 0.0.0.0 service/traefik 80:80 8080:8080 443:443 -n default
 '