mirror of https://github.com/k3s-io/k3s.git
Convert snapshotter test in e2e test
Signed-off-by: Derek Nola <derek.nola@suse.com>
This commit is contained in:
Derek Nola
parent
d022a506d5
commit
da7312d082
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@ -35,7 +35,7 @@ jobs:
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fail-fast: false
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matrix:
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# TODO fix embeddedmirror and add it to the matrix
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etest: [startup, s3, externalip, privateregistry]
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etest: [startup, s3, btrfs, externalip, privateregistry]
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max-parallel: 3
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steps:
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- name: "Checkout"
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@ -1,82 +0,0 @@
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name: Snapshotter
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on:
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push:
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paths-ignore:
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- "**.md"
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- "channel.yaml"
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- "install.sh"
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- "tests/**"
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- "!tests/snapshotter/**"
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- ".github/**"
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- "!.github/workflows/snapshotter.yaml"
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pull_request:
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paths-ignore:
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- "**.md"
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- "channel.yaml"
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- "install.sh"
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- "tests/**"
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- "!tests/snapshotter/**"
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- ".github/**"
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- "!.github/workflows/snapshotter.yaml"
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workflow_dispatch: {}
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permissions:
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contents: read
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jobs:
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build:
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uses: ./.github/workflows/build-k3s.yaml
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test:
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name: "Smoke Test"
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needs: build
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runs-on: ubuntu-latest
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timeout-minutes: 40
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strategy:
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fail-fast: false
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matrix:
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vm: [opensuse-leap]
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snapshotter: [btrfs]
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max-parallel: 1
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defaults:
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run:
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working-directory: tests/snapshotter/${{ matrix.snapshotter }}/${{ matrix.vm }}
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env:
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VAGRANT_EXPERIMENTAL: disks
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steps:
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- name: "Checkout"
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uses: actions/checkout@v4
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with: { fetch-depth: 1 }
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- name: "Download Binary"
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uses: actions/download-artifact@v3
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with: { name: k3s, path: dist/artifacts/ }
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- name: Set up vagrant and libvirt
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uses: ./.github/actions/vagrant-setup
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# Workaround for https://github.com/actions/cache/issues/1319
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- name: Move vagrant cache to /root
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run: |
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mkdir -p /tmp/boxes
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sudo rm -rf /root/.vagrant.d/boxes
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sudo mv -f /tmp/boxes /root/.vagrant.d
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- name: "Vagrant Cache"
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uses: actions/cache@v4
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with:
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path: |
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/tmp/boxes
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/tmp/gems
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key: vagrant-box-${{ matrix.vm }}
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- name: "Vagrant Plugin(s)"
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run: sudo vagrant plugin install vagrant-k3s
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- name: "Vagrant Up ⏩ Install K3s"
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run: sudo vagrant up
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- name: "⏳ Node"
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run: sudo vagrant provision --provision-with=k3s-wait-for-node
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- name: "⏳ CoreDNS"
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run: sudo vagrant provision --provision-with=k3s-wait-for-coredns
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- name: "k3s-status" # kubectl get node,all -A -o wide
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run: sudo vagrant provision --provision-with=k3s-status
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- name: "k3s-snapshots" # if no snapshots then we fail
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run: sudo vagrant provision --provision-with=k3s-snapshots
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- name: Copy out vagrant boxes for cache
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run: |
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sudo mv -f /root/.vagrant.d/boxes /tmp/boxes
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sudo chmod -R 777 /tmp/boxes
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@ -66,9 +66,9 @@ Docker tests run clusters of K3s nodes as containers and test basic functionalit
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___
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## Smoke Tests
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## Install Tests
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Smoke tests are a collection of tests defined under the [tests](./tests) and fall into two categories: install and snapshotter. These tests are used to validate the installation and operation of K3s on a variety of operating systems. The sub-directories therein contain fixtures for running simple clusters to assert correct behavior for "happy path" scenarios. The test themses are Vagrantfiles describing single-node installations that are easily spun up with Vagrant for the `libvirt` and `virtualbox` providers:
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Install tests are a collection of tests defined under the [tests/install](./tests/install). These tests are used to validate the installation and operation of K3s on a variety of operating systems. The test themselves are Vagrantfiles describing single-node installations that are easily spun up with Vagrant for the `libvirt` and `virtualbox` providers:
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- [Install Script](install) :arrow_right: scheduled nightly and on an install script change
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- [CentOS 7](install/centos-7) (stand-in for RHEL 7)
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@ -77,16 +77,11 @@ Smoke tests are a collection of tests defined under the [tests](./tests) and fal
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- [Fedora 37](install/fedora)
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- [Leap 15.5](install/opensuse-leap) (stand-in for SLES)
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- [Ubuntu 22.04](install/ubuntu-2204)
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- [Snapshotter](snapshotter/btrfs/opensuse-leap) :arrow_right: on any code change
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- [BTRFS](snapshotter/btrfs) ([containerd built-in](https://github.com/containerd/containerd/tree/main/snapshots/btrfs))
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- [Leap 15.4](../tests/snapshotter/btrfs/opensuse-leap)
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## Format
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When adding new installer test(s) please copy the prevalent style for the `Vagrantfile`.
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Ideally, the boxes used for additional assertions will support the default `libvirt` provider which
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enables them to be used by our Github Actions Workflow(s). See:
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- [install.yaml](../.github/workflows/install.yaml).
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- [snapshotter.yaml](../.github/workflows/snapshotter.yaml).
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enables them to be used by our GitHub Actions [Install Test Workflow](../.github/workflows/install.yaml).
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### Framework
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@ -132,11 +127,6 @@ vagrant provision --provision-with=k3s-status
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vagrant provision --provision-with=k3s-procps
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```
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The **Snapshotter** test requires that k3s binary is built at `dist/artifacts/k3s`.
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It is invoked similarly, i.e. `vagrant up`, but with different sets of named shell provisioners.
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Take a look at the individual Vagrantfiles and/or the Github Actions workflows that harness them to get
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an idea of how they can be invoked.
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___
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## Performance Tests
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@ -0,0 +1,102 @@
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ENV['VAGRANT_NO_PARALLEL'] = 'no'
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ENV['VAGRANT_EXPERIMENTAL']="disks"
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ENV['VAGRANT_LOG']="error"
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NODE_ROLES = (ENV['E2E_NODE_ROLES'] ||
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["server-0"])
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NODE_BOXES = (ENV['E2E_NODE_BOXES'] ||
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['opensuse/Leap-15.5.x86_64'])
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GITHUB_BRANCH = (ENV['E2E_GITHUB_BRANCH'] || "master")
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RELEASE_VERSION = (ENV['E2E_RELEASE_VERSION'] || "")
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NODE_CPUS = (ENV['E2E_NODE_CPUS'] || 2).to_i
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NODE_MEMORY = (ENV['E2E_NODE_MEMORY'] || 2048).to_i
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# Virtualbox >= 6.1.28 require `/etc/vbox/network.conf` for expanded private networks
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NETWORK_PREFIX = "10.10.10"
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install_type = ""
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def provision(vm, role, role_num, node_num)
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vm.box = NODE_BOXES[node_num]
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vm.hostname = role
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# An expanded netmask is required to allow VM<-->VM communication, virtualbox defaults to /32
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vm.network "private_network", ip: "#{NETWORK_PREFIX}.#{100+node_num}", netmask: "255.255.255.0"
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vagrant_defaults = '../vagrantdefaults.rb'
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load vagrant_defaults if File.exists?(vagrant_defaults)
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defaultOSConfigure(vm)
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install_type = getInstallType(vm, RELEASE_VERSION, GITHUB_BRANCH)
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vm.provision 'setup-btrfs', type: 'shell', run: 'once', privileged: true do |sh|
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sh.inline = <<~EOF
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#!/usr/bin/env bash
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set -eu -o pipefail
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zypper install -y apparmor-parser btrfsprogs hostname
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mkdir -p /var/lib/rancher/k3s /etc/rancher/k3s /usr/local/bin
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if ! mountpoint -q /var/lib/rancher/k3s; then
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: ${BTRFS_DEV:=#{ENV['BTRFS_DEV']}}
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for disk in sd[b-d] vd[b-d] xd[b-d]; do
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if [ -n "${BTRFS_DEV}" ]; then break; fi
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: ${BTRFS_DEV:=$(test -b /dev/$disk && echo $disk)}
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done
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btrfs filesystem show /dev/${BTRFS_DEV:?unable to determine automatically, please specify} 2>/dev/null || mkfs -t btrfs /dev/${BTRFS_DEV}
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mountpoint -q /mnt || mount -t btrfs /dev/${BTRFS_DEV} /mnt
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btrfs subvolume show /mnt/@k3s 2>/dev/null || btrfs subvolume create /mnt/@k3s
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umount /mnt
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mount -t btrfs -o subvol=@k3s /dev/${BTRFS_DEV} /var/lib/rancher/k3s
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fi
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EOF
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end
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if role.include?("server") && role_num == 0
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vm.provision 'k3s-install', type: 'k3s', run: 'once' do |k3s|
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k3s.args = ["server"]
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k3s.env = %W[#{install_type}]
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k3s.config = <<~YAML
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cluster-init: true
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node-external-ip: "#{NETWORK_PREFIX}.100"
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flannel-iface: eth1
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snapshotter: btrfs
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token: vagrant
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disable:
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- local-storage
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- metrics-server
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- servicelb
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- traefik
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write-kubeconfig-mode: '0644'
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YAML
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end
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end
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end
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Vagrant.configure("2") do |config|
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config.vagrant.plugins = ["vagrant-k3s", "vagrant-reload"]
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# Default provider is libvirt, virtualbox is only provided as a backup
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config.vm.provider "libvirt" do |v|
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v.cpus = NODE_CPUS
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v.memory = NODE_MEMORY
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v.storage :file, :size => '8G' # Requires VAGRANT_EXPERIMENTAL="disks"
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end
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config.vm.provider "virtualbox" do |v,o|
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v.cpus = NODE_CPUS
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v.memory = NODE_MEMORY
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v.gui = false
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v.check_guest_additions = false
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o.vm.disk :disk, name: "btrfs", size: "8GB" # Requires VAGRANT_EXPERIMENTAL="disks"
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end
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if NODE_ROLES.kind_of?(String)
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NODE_ROLES = NODE_ROLES.split(" ", -1)
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end
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if NODE_BOXES.kind_of?(String)
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NODE_BOXES = NODE_BOXES.split(" ", -1)
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end
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# Must iterate on the index, vagrant does not understand iterating
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# over the node roles themselves
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NODE_ROLES.length.times do |i|
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name = NODE_ROLES[i]
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role_num = name.split("-", -1).pop.to_i
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config.vm.define name do |node|
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provision(node.vm, name, role_num, i)
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end
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end
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end
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@ -0,0 +1,99 @@
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package rotateca
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"testing"
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"github.com/k3s-io/k3s/tests/e2e"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var ci = flag.Bool("ci", false, "running on CI")
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var local = flag.Bool("local", false, "deploy a locally built K3s binary")
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// Environment Variables Info:
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// E2E_RELEASE_VERSION=v1.23.1+k3s2 or nil for latest commit from master
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func Test_E2EBtrfsSnapshot(t *testing.T) {
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RegisterFailHandler(Fail)
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flag.Parse()
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suiteConfig, reporterConfig := GinkgoConfiguration()
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RunSpecs(t, "Btrfs Snapshot Test Suite", suiteConfig, reporterConfig)
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}
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var (
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kubeConfigFile string
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serverNodeNames []string
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)
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var _ = ReportAfterEach(e2e.GenReport)
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var _ = Describe("Verify that btrfs based servers work", Ordered, func() {
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Context("Btrfs Snapshots are taken", func() {
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It("Starts up with no issues", func() {
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var err error
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// OS and server are hardcoded because only openSUSE Leap 15.5 natively supports Btrfs
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if *local {
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serverNodeNames, _, err = e2e.CreateLocalCluster("opensuse/Leap-15.5.x86_64", 1, 0)
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} else {
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serverNodeNames, _, err = e2e.CreateCluster("opensuse/Leap-15.5.x86_64", 1, 0)
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}
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Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
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fmt.Println("CLUSTER CONFIG")
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fmt.Println("Server Nodes:", serverNodeNames)
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kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred())
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})
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It("Checks node and pod status", func() {
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fmt.Printf("\nFetching node status\n")
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Eventually(func(g Gomega) {
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nodes, err := e2e.ParseNodes(kubeConfigFile, false)
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g.Expect(err).NotTo(HaveOccurred())
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for _, node := range nodes {
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g.Expect(node.Status).Should(Equal("Ready"))
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}
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}, "620s", "5s").Should(Succeed())
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_, _ = e2e.ParseNodes(kubeConfigFile, true)
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fmt.Printf("\nFetching pods status\n")
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Eventually(func(g Gomega) {
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pods, err := e2e.ParsePods(kubeConfigFile, false)
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g.Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods {
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if strings.Contains(pod.Name, "helm-install") {
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g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
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} else {
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g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
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}
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}
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}, "620s", "5s").Should(Succeed())
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_, _ = e2e.ParsePods(kubeConfigFile, true)
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})
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It("Checks that btrfs snapshots exist", func() {
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cmd := "btrfs subvolume list /var/lib/rancher/k3s/agent/containerd/io.containerd.snapshotter.v1.btrfs"
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res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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Expect(err).NotTo(HaveOccurred())
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Expect(res).To(ContainSubstring("agent/containerd/io.containerd.snapshotter.v1.btrfs/active/2"))
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Expect(res).To(ContainSubstring("agent/containerd/io.containerd.snapshotter.v1.btrfs/snapshots/3"))
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})
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})
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})
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var failed bool
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var _ = AfterEach(func() {
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failed = failed || CurrentSpecReport().Failed()
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})
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var _ = AfterSuite(func() {
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if failed && !*ci {
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fmt.Println("FAILED!")
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} else {
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Expect(e2e.DestroyCluster()).To(Succeed())
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Expect(os.Remove(kubeConfigFile)).To(Succeed())
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}
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})
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@ -8,6 +8,7 @@ import (
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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"time"
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@ -289,6 +290,8 @@ func GenKubeConfigFile(serverName string) (string, error) {
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if err != nil {
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return "", err
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}
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re := regexp.MustCompile(`(?m)==> vagrant:.*\n`)
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kubeConfig = re.ReplaceAllString(kubeConfig, "")
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nodeIP, err := FetchNodeExternalIP(serverName)
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if err != nil {
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return "", err
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|
|
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|
|
@ -1,121 +0,0 @@
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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#
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# Vagrant box for testing k3s with the btrfs snapshotter. Usage:
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# VAGRANT_EXPERIMENTAL=disks vagrant up
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Vagrant.configure("2") do |config|
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config.vagrant.plugins = ["vagrant-k3s"]
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config.vm.box = "opensuse/Leap-15.5.x86_64"
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config.vm.boot_timeout = ENV['TEST_VM_BOOT_TIMEOUT'] || 600 # seconds
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config.vm.synced_folder '../../../../dist/artifacts', '/vagrant', type: 'rsync', disabled: false,
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rsync__exclude: ENV['RSYNC_EXCLUDE'] || '*.tar.*'
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config.vm.define 'snapshotter-btrfs', primary: true do |test|
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test.vm.hostname = 'smoke'
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test.vm.provision 'k3s-prepare', type: 'shell', run: 'once', privileged: true do |sh|
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sh.inline = <<~EOF
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#!/usr/bin/env bash
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set -eu -o pipefail
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zypper install -y apparmor-parser btrfsprogs hostname
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mkdir -p /var/lib/rancher/k3s /etc/rancher/k3s /usr/local/bin
|
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if ! mountpoint -q /var/lib/rancher/k3s; then
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: ${BTRFS_DEV:=#{ENV['BTRFS_DEV']}}
|
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for disk in sd[b-d] vd[b-d] xd[b-d]; do
|
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if [ -n "${BTRFS_DEV}" ]; then break; fi
|
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: ${BTRFS_DEV:=$(test -b /dev/$disk && echo $disk)}
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done
|
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btrfs filesystem show /dev/${BTRFS_DEV:?unable to determine automatically, please specify} 2>/dev/null || mkfs -t btrfs /dev/${BTRFS_DEV}
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mountpoint -q /mnt || mount -t btrfs /dev/${BTRFS_DEV} /mnt
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btrfs subvolume show /mnt/@k3s 2>/dev/null || btrfs subvolume create /mnt/@k3s
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umount /mnt
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mount -t btrfs -o subvol=@k3s /dev/${BTRFS_DEV} /var/lib/rancher/k3s
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fi
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# Install k3s binary
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install -m 755 /vagrant/k3s /usr/local/bin
|
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if [ -e /vagrant/*.tar ]; then
|
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mkdir -vp /var/lib/rancher/k3s/agent/images
|
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for tar in /vagrant/*.tar; do
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cp -vf $tar /var/lib/rancher/k3s/agent/images/
|
||||
done
|
||||
fi
|
||||
EOF
|
||||
end
|
||||
test.vm.provision 'k3s-install', type: 'k3s', run: 'once' do |k3s|
|
||||
k3s.args = %w[server --snapshotter=btrfs]
|
||||
k3s.env = %w[INSTALL_K3S_NAME=server INSTALL_K3S_SKIP_DOWNLOAD=true K3S_TOKEN=vagrant]
|
||||
k3s.config = <<~YAML
|
||||
disable:
|
||||
- local-storage
|
||||
- metrics-server
|
||||
- servicelb
|
||||
- traefik
|
||||
disable-helm-controller: true
|
||||
disable-network-policy: true
|
||||
write-kubeconfig-mode: '0644'
|
||||
YAML
|
||||
k3s.config_mode = '0644' # side-step https://github.com/k3s-io/k3s/issues/4321
|
||||
end
|
||||
test.vm.provision "k3s-wait-for-node", type: "shell", run: ENV['CI'] == 'true' ? 'never' : 'once' do |sh|
|
||||
sh.env = { :PATH => "/usr/local/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" }
|
||||
sh.inline = <<~SHELL
|
||||
#!/usr/bin/env bash
|
||||
set -eu -o pipefail
|
||||
echo 'Waiting for node to be ready ...'
|
||||
time timeout 300 bash -c 'while ! (kubectl wait --for condition=ready node/$(hostnamectl --static) 2>/dev/null); do sleep 5; done'
|
||||
kubectl get node,all -A -o wide
|
||||
SHELL
|
||||
end
|
||||
test.vm.provision "k3s-wait-for-coredns", type: "shell", run: ENV['CI'] == 'true' ? 'never' : 'once' do |sh|
|
||||
sh.env = { :PATH => "/usr/local/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" }
|
||||
sh.inline = <<~SHELL
|
||||
#!/usr/bin/env bash
|
||||
set -eu -o pipefail
|
||||
function describe-coredns {
|
||||
RC=$?
|
||||
if [[ $RC -ne 0 ]]; then
|
||||
kubectl describe node
|
||||
kubectl --namespace kube-system describe pod -l k8s-app=kube-dns
|
||||
kubectl --namespace kube-system logs -l k8s-app=kube-dns
|
||||
fi
|
||||
exit $RC
|
||||
}
|
||||
trap describe-coredns EXIT
|
||||
time timeout 300 bash -c 'while ! (kubectl --namespace kube-system rollout status --timeout 10s deploy/coredns 2>/dev/null); do sleep 5; done'
|
||||
SHELL
|
||||
end
|
||||
test.vm.provision "k3s-status", type: "shell", run: ENV['CI'] == 'true' ? 'never' : 'once' do |sh|
|
||||
sh.env = { :PATH => "/usr/local/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" }
|
||||
sh.inline = <<~SHELL
|
||||
#!/usr/bin/env bash
|
||||
set -eux -o pipefail
|
||||
kubectl get node,all -A -o wide
|
||||
SHELL
|
||||
end
|
||||
test.vm.provision "k3s-snapshots", type: "shell", run: ENV['CI'] == 'true' ? 'never' : 'once' do |sh|
|
||||
sh.env = { :PATH => "/usr/local/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin" }
|
||||
sh.inline = <<~SHELL
|
||||
#!/usr/bin/env bash
|
||||
set -eux -o pipefail
|
||||
btrfs subvolume list /var/lib/rancher/k3s/agent/containerd/io.containerd.snapshotter.v1.btrfs
|
||||
SHELL
|
||||
end
|
||||
end
|
||||
|
||||
%w[libvirt virtualbox].each do |p|
|
||||
config.vm.provider p do |v|
|
||||
v.cpus = ENV['TEST_VM_CPUS'] || 2
|
||||
v.memory = ENV['TEST_VM_MEMORY'] || 2048
|
||||
end
|
||||
end
|
||||
|
||||
config.vm.provider :libvirt do |v,o|
|
||||
v.storage :file, :size => '8G'
|
||||
end
|
||||
|
||||
config.vm.provider :virtualbox do |v,o|
|
||||
v.gui = false
|
||||
v.check_guest_additions = false
|
||||
o.vm.disk :disk, name: "btrfs", size: "8GB" # Requires VAGRANT_EXPERIMENTAL="disks"
|
||||
end
|
||||
end
|
||||
Loading…
Reference in New Issue