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feat: support create kubernetes cluster (#3680)
Co-authored-by: sophon-zt <sophon-zt@users.noreply.github.com>
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/* | ||
Copyright (C) 2022-2023 ApeCloud Co., Ltd | ||
This file is part of KubeBlocks project | ||
This program is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU Affero General Public License as published by | ||
the Free Software Foundation, either version 3 of the License, or | ||
(at your option) any later version. | ||
This program is distributed in the hope that it will be useful | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU Affero General Public License for more details. | ||
You should have received a copy of the GNU Affero General Public License | ||
along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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package builder | ||
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import ( | ||
"bufio" | ||
"embed" | ||
"encoding/json" | ||
"strings" | ||
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"github.com/leaanthony/debme" | ||
"k8s.io/apimachinery/pkg/util/yaml" | ||
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cfgcore "github.com/apecloud/kubeblocks/internal/configuration" | ||
"github.com/apecloud/kubeblocks/internal/gotemplate" | ||
) | ||
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var ( | ||
//go:embed template/* | ||
cueTemplate embed.FS | ||
) | ||
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func newBuildTemplate(templateName string) (string, error) { | ||
tmplFs, _ := debme.FS(cueTemplate, "template") | ||
if tmlBytes, err := tmplFs.ReadFile(templateName); err != nil { | ||
return "", err | ||
} else { | ||
return string(tmlBytes), nil | ||
} | ||
} | ||
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func BuildFromTemplate(values *gotemplate.TplValues, templateName string) (string, error) { | ||
tpl, err := newBuildTemplate(templateName) | ||
if err != nil { | ||
return "", err | ||
} | ||
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engine := gotemplate.NewTplEngine(values, nil, templateName, nil, nil) | ||
rendered, err := engine.Render(tpl) | ||
if err != nil { | ||
return "", err | ||
} | ||
return rendered, nil | ||
} | ||
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func BuildResourceFromYaml[T any](obj T, bYaml string) (*T, error) { | ||
var ret map[string]interface{} | ||
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content, err := yaml.NewYAMLReader(bufio.NewReader(strings.NewReader(bYaml))).Read() | ||
if err != nil { | ||
return nil, cfgcore.WrapError(err, "failed to read the cluster yaml") | ||
} | ||
err = yaml.Unmarshal(content, &ret) | ||
if err != nil { | ||
return nil, cfgcore.WrapError(err, "failed to unmarshal the cluster yaml") | ||
} | ||
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contentToJSON, err := yaml.ToJSON(content) | ||
if err != nil { | ||
return nil, cfgcore.WrapError(err, "Unable to convert configuration to json") | ||
} | ||
if err := json.Unmarshal(contentToJSON, &obj); err != nil { | ||
return nil, cfgcore.WrapError(err, "failed to unmarshal the cluster") | ||
} | ||
return &obj, nil | ||
} |
48 changes: 48 additions & 0 deletions
48
cmd/infrastructure/builder/template/containerd.config.toml.tpl
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version = 2 | ||
{{- if .DataRoot }} | ||
root = {{ .DataRoot }} | ||
{{ else }} | ||
root = "/var/lib/containerd" | ||
{{- end }} | ||
state = "/run/containerd" | ||
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[grpc] | ||
address = "/run/containerd/containerd.sock" | ||
uid = 0 | ||
gid = 0 | ||
max_recv_message_size = 16777216 | ||
max_send_message_size = 16777216 | ||
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[debug] | ||
level = "info" | ||
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[metrics] | ||
address = "" | ||
grpc_histogram = false | ||
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[timeouts] | ||
"io.containerd.timeout.shim.cleanup" = "5s" | ||
"io.containerd.timeout.shim.load" = "5s" | ||
"io.containerd.timeout.shim.shutdown" = "3s" | ||
"io.containerd.timeout.task.state" = "2s" | ||
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[plugins."io.containerd.grpc.v1.cri".containerd] | ||
default_runtime_name = "runc" | ||
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[plugins."io.containerd.grpc.v1.cri"] | ||
stream_server_address = "127.0.0.1" | ||
max_container_log_line_size = 262144 | ||
sandbox_image = "{{ .SandBoxImage }}" | ||
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[plugins."io.containerd.grpc.v1.cri".registry] | ||
config_path = "/etc/containerd/certs.d:/etc/docker/certs.d" | ||
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc] | ||
runtime_type = "io.containerd.runc.v2" | ||
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options] | ||
SystemdCgroup = true | ||
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[plugins."io.containerd.grpc.v1.cri".cni] | ||
bin_dir = "/opt/cni/bin" | ||
conf_dir = "/etc/cni/net.d" |
26 changes: 26 additions & 0 deletions
26
cmd/infrastructure/builder/template/containerd.service.tpl
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[Unit] | ||
Description=containerd container runtime | ||
Documentation=https://containerd.io | ||
After=network.target local-fs.target | ||
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[Service] | ||
ExecStartPre=-/sbin/modprobe overlay | ||
ExecStart=/usr/bin/containerd | ||
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Type=notify | ||
Delegate=yes | ||
KillMode=process | ||
Restart=always | ||
RestartSec=5 | ||
# Having non-zero Limit*s causes performance problems due to accounting overhead | ||
# in the kernel. We recommend using cgroups to do container-local accounting. | ||
LimitNPROC=infinity | ||
LimitCORE=infinity | ||
LimitNOFILE=infinity | ||
# Comment TasksMax if your systemd version does not supports it. | ||
# Only systemd 226 and above support this version. | ||
TasksMax=infinity | ||
OOMScoreAdjust=-999 | ||
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[Install] | ||
WantedBy=multi-user.target |
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runtime-endpoint: {{ .Endpoint }} | ||
image-endpoint: {{ .Endpoint }} | ||
timeout: 5 | ||
debug: false | ||
pull-image-on-create: false |
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#!/usr/bin/env bash | ||
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function swap_off() { | ||
echo "swap off..." | ||
swapoff -a | ||
sed -i /^[^#]*swap*/s/^/\#/g /etc/fstab | ||
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# clean cache | ||
echo 3 > /proc/sys/vm/drop_caches | ||
echo | ||
} | ||
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function selinux_off() { | ||
echo "selinux off..." | ||
setenforce 0 | ||
echo "enforce: $(getenforce)" | ||
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if [ -f /etc/selinux/config ]; then | ||
sed -ri 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config | ||
fi | ||
echo | ||
} | ||
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function firewalld_off() { | ||
echo "firewall off..." | ||
systemctl stop firewalld.service 1>/dev/null 2>&1 | ||
systemctl disable firewalld.service 1>/dev/null 2>&1 | ||
systemctl stop ufw 1>/dev/null 2>&1 | ||
systemctl disable ufw 1>/dev/null 2>&1 | ||
echo | ||
} | ||
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function replace_in_file() { | ||
local filename="${1:?filename is required}" | ||
local match_regex="${2:?match regex is required}" | ||
local substitute_regex="${3:?substitute regex is required}" | ||
local posix_regex=${4:-true} | ||
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local result | ||
local -r del=$'\001' | ||
if [[ $posix_regex = true ]]; then | ||
result="$(sed -E "s${del}${match_regex}${del}${substitute_regex}${del}g" "$filename")" | ||
else | ||
result="$(sed "s${del}${match_regex}${del}${substitute_regex}${del}g" "$filename")" | ||
fi | ||
echo "$result" > "$filename" | ||
} | ||
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function sysctl_set_keyvalue() { | ||
local -r key="${1:?missing key}" | ||
local -r value="${2:?missing value}" | ||
local -r conf_file="${3:-"/etc/sysctl.conf"}" | ||
if grep -qE "^#*\s*${key}" "$conf_file" >/dev/null; then | ||
replace_in_file "$conf_file" "^#*\s*${key}\s*=.*" "${key} = ${value}" | ||
else | ||
echo "${key} = ${value}" >>"$conf_file" | ||
fi | ||
} | ||
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function set_network() { | ||
echo "set network..." | ||
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sysctl_set_keyvalue "net.ipv4.tcp_tw_recycle" "0" | ||
sysctl_set_keyvalue "net.ipv4.ip_forward" "1" | ||
sysctl_set_keyvalue "net.bridge.bridge-nf-call-arptables" "1" | ||
sysctl_set_keyvalue "net.bridge.bridge-nf-call-ip6tables" "1" | ||
sysctl_set_keyvalue "net.bridge.bridge-nf-call-iptables" "1" | ||
# for node port | ||
sysctl_set_keyvalue "net.ipv4.ip_local_reserved_ports" "30000-32767" | ||
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echo | ||
} | ||
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function install_hugepage() { | ||
local -r hugepage="${1:?missing key}" | ||
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echo "install hugepage..." | ||
hpg_sz=$(grep Hugepagesize /proc/meminfo | awk '{print $2}') | ||
## convert to KB | ||
re_hpg_num=$(echo $hugepage | awk '{sub("GB", "*1024*1024*1024", $1) || sub("MB", "*1024*1024", $1) || sub("KB", "*1024", $1); printf $1 "+"} END {print 0}' | bc) | ||
hpg_num=$(echo "$re_hpg_num / ( $hpg_sz * 1024 )" | bc) | ||
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sysctl_set_keyvalue "vm.nr_hugepages" "$hpg_num" | ||
echo | ||
} | ||
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function common_os_setting() { | ||
swap_off | ||
selinux_off | ||
firewalld_off | ||
set_network | ||
} | ||
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function install_hosts() { | ||
sed -i ':a;$!{N;ba};s@# kubeblocks hosts BEGIN.*# kubeblocks hosts END@@' /etc/hosts | ||
sed -i '/^$/N;/\n$/N;//D' /etc/hosts | ||
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cat >>/etc/hosts<<EOF | ||
# kubeblocks hosts BEGIN | ||
{{- range .Hosts }} | ||
{{ . }} | ||
{{- end }} | ||
# kubeblocks hosts END | ||
EOF | ||
} | ||
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function install_netfilter() { | ||
modinfo br_netfilter > /dev/null 2>&1 | ||
if [ $? -eq 0 ]; then | ||
modprobe br_netfilter | ||
mkdir -p /etc/modules-load.d | ||
echo 'br_netfilter' > /etc/modules-load.d/kubekey-br_netfilter.conf | ||
fi | ||
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modinfo overlay > /dev/null 2>&1 | ||
if [ $? -eq 0 ]; then | ||
modprobe overlay | ||
echo 'overlay' >> /etc/modules-load.d/kubekey-br_netfilter.conf | ||
fi | ||
} | ||
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function install_ipvs() { | ||
modprobe ip_vs | ||
modprobe ip_vs_rr | ||
modprobe ip_vs_wrr | ||
modprobe ip_vs_sh | ||
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cat > /etc/modules-load.d/kube_proxy-ipvs.conf << EOF | ||
ip_vs | ||
ip_vs_rr | ||
ip_vs_wrr | ||
ip_vs_sh | ||
EOF | ||
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modprobe nf_conntrack_ipv4 1>/dev/null 2>/dev/null | ||
if [ $? -eq 0 ]; then | ||
echo 'nf_conntrack_ipv4' > /etc/modules-load.d/kube_proxy-ipvs.conf | ||
else | ||
modprobe nf_conntrack | ||
echo 'nf_conntrack' > /etc/modules-load.d/kube_proxy-ipvs.conf | ||
fi | ||
} | ||
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{{- if $.Options.HugePageFeature }} | ||
install_hugepage {{ $.Options.HugePageFeature.HugePageSize }} | ||
{{- end }} | ||
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install_netfilter | ||
install_ipvs | ||
install_hosts | ||
common_os_setting | ||
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# for es/opensearch | ||
sysctl_set_keyvalue "vm.max_map_count" "262144" | ||
# for kubeblocks | ||
sysctl_set_keyvalue "fs.inotify.max_user_watches" "524288" | ||
sysctl_set_keyvalue "fs.inotify.max_user_instances" "524288" | ||
sysctl -p | ||
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# Make sure the iptables utility doesn't use the nftables backend. | ||
update-alternatives --set iptables /usr/sbin/iptables-legacy >/dev/null 2>&1 || true | ||
update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy >/dev/null 2>&1 || true | ||
update-alternatives --set arptables /usr/sbin/arptables-legacy >/dev/null 2>&1 || true | ||
update-alternatives --set ebtables /usr/sbin/ebtables-legacy >/dev/null 2>&1 || true | ||
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ulimit -u 65535 | ||
ulimit -n 65535 |
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