Pin K3s to v1.25.7+k3s1 instead stable channel (#40)

* Pin K3s to v1.25.7+k3s1 instead stable channel

Closes #39

* Setup concurrency in Github workflow to cancell in progress jobs on same branches

* Update K9s build artifact to amd64

derailed/k9s#1910

---------

Co-authored-by: Marcin Jasion <mjasion@users.noreply.github.com>

.github/workflows/build-ami.yml

@@ -11,6 +11,9 @@ on:
     paths:
       - packer/**
       - .github/workflows/build-ami.yml
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }} # Cancel in-progress jobs or runs for current workflow
+  cancel-in-progress: true
 permissions:
   contents: read
   id-token: write

packer/setup_root.sh

@@ -7,16 +7,17 @@ set -o pipefail
 export DEBIAN_FRONTEND=noninteractive
 
 # Install K3s - script uploaded with packer
-INSTALL_K3S_SKIP_START="true" INSTALL_K3S_EXEC="--disable=traefik"  K3S_KUBECONFIG_MODE="644" sh /tmp/k3s.sh -
+K3S_VERSION=v1.25.7+k3s1
+INSTALL_K3S_SKIP_START="true" INSTALL_K3S_EXEC="--disable=traefik"  K3S_KUBECONFIG_MODE="644" INSTALL_K3S_VERSION=${K3S_VERSION} sh /tmp/k3s.sh -
 echo KUBECONFIG="/etc/rancher/k3s/k3s.yaml" >> /etc/environment
 
 # Install k9s
-K9S_VERSION=v0.26.7
+K9S_VERSION=v0.27.3
 cd /tmp
-curl --silent -L https://github.com/derailed/k9s/releases/download/${K9S_VERSION}/k9s_Linux_x86_64.tar.gz -o /tmp/k9s_Linux_x86_64.tar.gz
-echo "f774bb75045e361e17a4f267491c5ec66f41db7bffd996859ffb1465420af249  k9s_Linux_x86_64.tar.gz" > /tmp/k9s.sha256
+curl --silent -L https://github.com/derailed/k9s/releases/download/${K9S_VERSION}/k9s_Linux_amd64.tar.gz -o /tmp/k9s_Linux_amd64.tar.gz
+echo "b0eb5fb0decedbee5b6bd415f72af8ce6135ffb8128f9709bc7adcd5cbfa690b  k9s_Linux_amd64.tar.gz" > /tmp/k9s.sha256
 sha256sum -c /tmp/k9s.sha256
-tar -zxvf /tmp/k9s_Linux_x86_64.tar.gz  -C /tmp
+tar -zxvf /tmp/k9s_Linux_amd64.tar.gz  -C /tmp
 mv /tmp/k9s /usr/local/bin/
 cd /root