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k3s/pkg/agent/templates/templates_linux.go

148 lines
5.7 KiB

//go:build linux
package templates
import (
"bytes"
"text/template"
)
const ContainerdConfigTemplate = `
# File generated by {{ .Program }}. DO NOT EDIT. Use config.toml.tmpl instead.
version = 2
[plugins."io.containerd.internal.v1.opt"]
path = "{{ .NodeConfig.Containerd.Opt }}"
[plugins."io.containerd.grpc.v1.cri"]
stream_server_address = "127.0.0.1"
stream_server_port = "10010"
enable_selinux = {{ .NodeConfig.SELinux }}
enable_unprivileged_ports = {{ .EnableUnprivileged }}
enable_unprivileged_icmp = {{ .EnableUnprivileged }}
{{- if .DisableCgroup}}
disable_cgroup = true
{{end}}
{{- if .IsRunningInUserNS }}
disable_apparmor = true
restrict_oom_score_adj = true
{{end}}
{{- if .NodeConfig.AgentConfig.PauseImage }}
sandbox_image = "{{ .NodeConfig.AgentConfig.PauseImage }}"
{{end}}
{{- if .NodeConfig.AgentConfig.Snapshotter }}
[plugins."io.containerd.grpc.v1.cri".containerd]
snapshotter = "{{ .NodeConfig.AgentConfig.Snapshotter }}"
disable_snapshot_annotations = {{ if eq .NodeConfig.AgentConfig.Snapshotter "stargz" }}false{{else}}true{{end}}
{{ if .NodeConfig.DefaultRuntime }}default_runtime_name = "{{ .NodeConfig.DefaultRuntime }}"{{end}}
{{ if eq .NodeConfig.AgentConfig.Snapshotter "stargz" }}
{{ if .NodeConfig.AgentConfig.ImageServiceSocket }}
[plugins."io.containerd.snapshotter.v1.stargz"]
cri_keychain_image_service_path = "{{ .NodeConfig.AgentConfig.ImageServiceSocket }}"
[plugins."io.containerd.snapshotter.v1.stargz".cri_keychain]
enable_keychain = true
{{end}}
{{ if .PrivateRegistryConfig }}
{{ if .PrivateRegistryConfig.Mirrors }}
[plugins."io.containerd.snapshotter.v1.stargz".registry.mirrors]{{end}}
{{range $k, $v := .PrivateRegistryConfig.Mirrors }}
[plugins."io.containerd.snapshotter.v1.stargz".registry.mirrors."{{$k}}"]
endpoint = [{{range $i, $j := $v.Endpoints}}{{if $i}}, {{end}}{{printf "%q" .}}{{end}}]
{{if $v.Rewrites}}
[plugins."io.containerd.snapshotter.v1.stargz".registry.mirrors."{{$k}}".rewrite]
{{range $pattern, $replace := $v.Rewrites}}
"{{$pattern}}" = "{{$replace}}"
{{end}}
{{end}}
{{end}}
{{range $k, $v := .PrivateRegistryConfig.Configs }}
{{ if $v.Auth }}
[plugins."io.containerd.snapshotter.v1.stargz".registry.configs."{{$k}}".auth]
{{ if $v.Auth.Username }}username = {{ printf "%q" $v.Auth.Username }}{{end}}
{{ if $v.Auth.Password }}password = {{ printf "%q" $v.Auth.Password }}{{end}}
{{ if $v.Auth.Auth }}auth = {{ printf "%q" $v.Auth.Auth }}{{end}}
{{ if $v.Auth.IdentityToken }}identitytoken = {{ printf "%q" $v.Auth.IdentityToken }}{{end}}
{{end}}
{{ if $v.TLS }}
[plugins."io.containerd.snapshotter.v1.stargz".registry.configs."{{$k}}".tls]
{{ if $v.TLS.CAFile }}ca_file = "{{ $v.TLS.CAFile }}"{{end}}
{{ if $v.TLS.CertFile }}cert_file = "{{ $v.TLS.CertFile }}"{{end}}
{{ if $v.TLS.KeyFile }}key_file = "{{ $v.TLS.KeyFile }}"{{end}}
{{ if $v.TLS.InsecureSkipVerify }}insecure_skip_verify = true{{end}}
{{end}}
{{end}}
{{end}}
{{end}}
{{end}}
{{- if not .NodeConfig.NoFlannel }}
[plugins."io.containerd.grpc.v1.cri".cni]
bin_dir = "{{ .NodeConfig.AgentConfig.CNIBinDir }}"
conf_dir = "{{ .NodeConfig.AgentConfig.CNIConfDir }}"
{{end}}
{{- if or .NodeConfig.Containerd.BlockIOConfig .NodeConfig.Containerd.RDTConfig }}
[plugins."io.containerd.service.v1.tasks-service"]
{{ if .NodeConfig.Containerd.BlockIOConfig }}blockio_config_file = "{{ .NodeConfig.Containerd.BlockIOConfig }}"{{end}}
{{ if .NodeConfig.Containerd.RDTConfig }}rdt_config_file = "{{ .NodeConfig.Containerd.RDTConfig }}"{{end}}
{{end}}
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = {{ .SystemdCgroup }}
{{ if .PrivateRegistryConfig }}
{{ if .PrivateRegistryConfig.Mirrors }}
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]{{end}}
{{range $k, $v := .PrivateRegistryConfig.Mirrors }}
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."{{$k}}"]
endpoint = [{{range $i, $j := $v.Endpoints}}{{if $i}}, {{end}}{{printf "%q" .}}{{end}}]
{{if $v.Rewrites}}
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."{{$k}}".rewrite]
{{range $pattern, $replace := $v.Rewrites}}
"{{$pattern}}" = "{{$replace}}"
{{end}}
{{end}}
{{end}}
{{range $k, $v := .PrivateRegistryConfig.Configs }}
{{ if $v.Auth }}
[plugins."io.containerd.grpc.v1.cri".registry.configs."{{$k}}".auth]
{{ if $v.Auth.Username }}username = {{ printf "%q" $v.Auth.Username }}{{end}}
{{ if $v.Auth.Password }}password = {{ printf "%q" $v.Auth.Password }}{{end}}
{{ if $v.Auth.Auth }}auth = {{ printf "%q" $v.Auth.Auth }}{{end}}
{{ if $v.Auth.IdentityToken }}identitytoken = {{ printf "%q" $v.Auth.IdentityToken }}{{end}}
{{end}}
{{ if $v.TLS }}
[plugins."io.containerd.grpc.v1.cri".registry.configs."{{$k}}".tls]
{{ if $v.TLS.CAFile }}ca_file = "{{ $v.TLS.CAFile }}"{{end}}
{{ if $v.TLS.CertFile }}cert_file = "{{ $v.TLS.CertFile }}"{{end}}
{{ if $v.TLS.KeyFile }}key_file = "{{ $v.TLS.KeyFile }}"{{end}}
{{ if $v.TLS.InsecureSkipVerify }}insecure_skip_verify = true{{end}}
{{end}}
{{end}}
{{end}}
{{range $k, $v := .ExtraRuntimes}}
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."{{$k}}"]
runtime_type = "{{$v.RuntimeType}}"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes."{{$k}}".options]
BinaryName = "{{$v.BinaryName}}"
SystemdCgroup = {{ $.SystemdCgroup }}
{{end}}
`
func ParseTemplateFromConfig(templateBuffer string, config interface{}) (string, error) {
out := new(bytes.Buffer)
t := template.Must(template.New("compiled_template").Parse(templateBuffer))
template.Must(t.New("base").Parse(ContainerdConfigTemplate))
if err := t.Execute(out, config); err != nil {
return "", err
}
return out.String(), nil
}