rootless in buildkit and containerd mirror iamges config shell script

nerdctl/setup_buildkit_config_rootless.sh

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+#!/bin/bash
+
+# setup_buildkit_config_rootless.sh
+# 说明：此脚本用于配置 BuildKit 的 rootless 模式配置文件。
+# 官方文档和配置选项请参考：https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md
+
+# 获取当前执行脚本的用户
+CURRENT_USER=$(whoami)
+echo "当前用户：$CURRENT_USER"
+
+# BuildKit 配置文件路径
+CONFIG_DIR="$HOME/.config/buildkit"
+CONFIG_FILE="$CONFIG_DIR/buildkit.toml"
+
+# 镜像源配置
+declare -A mirrors
+mirrors=(
+  ["docker.io"]="https://docker.io https://docker.unsee.tech https://dockerhub.icu"
+  ["registry.k8s.io"]="https://registry.k8s.io https://k8s.m.daocloud.io"
+  ["docker.elastic.co"]="https://docker.elastic.co https://elastic.m.daocloud.io"
+  ["gcr.io"]="https://gcr.io https://gcr.m.daocloud.io"
+  ["ghcr.io"]="https://ghcr.io https://ghcr.m.daocloud.io"
+  ["k8s.gcr.io"]="https://k8s.gcr.io https://k8s-gcr.m.daocloud.io"
+  ["mcr.microsoft.com"]="https://mcr.microsoft.com https://mcr.m.daocloud.io"
+  ["nvcr.io"]="https://nvcr.io https://nvcr.m.daocloud.io"
+  ["quay.io"]="https://quay.io https://quay.m.daocloud.io"
+  ["registry.jujucharms.com"]="https://registry.jujucharms.com https://jujucharms.m.daocloud.io"
+  ["rocks.canonical.com"]="https://rocks.canonical.com https://rocks-canonical.m.daocloud.io"
+)
+
+# 创建配置目录
+mkdir -p "$CONFIG_DIR"
+
+# 生成 BuildKit 配置文件
+echo "生成 BuildKit 配置文件..."
+cat > "$CONFIG_FILE" <<EOF
+[worker.oci]
+  enabled = false
+
+[worker.containerd]
+  enabled = true
+  namespace = "buildkit"
+  platforms = ["linux/amd64", "linux/arm64"]
+  gc = true
+  gckeepstorage = 9000
+
+# 注册表配置，包含多个镜像加速器
+EOF
+
+# 添加镜像源到配置文件
+echo "配置镜像加速器..."
+for registry in "${!mirrors[@]}"; do
+  IFS=' ' read -r server host1 host2 <<<"${mirrors[$registry]}"
+  cat >> "$CONFIG_FILE" <<EOF
+
+[registry."$registry"]
+  mirrors = ["$host1", "$host2"]
+  http = true
+  insecure = true
+EOF
+done
+
+# 输出完成信息
+echo "BuildKit 配置文件已生成: $CONFIG_FILE"
+echo "镜像配置已设置完成，详细选项请参考官方文档：https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md"