背景在openwrt上的docker拉取失败
root@openwrt:~ # docker pull debian
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
Error response from daemon: Get "https://registry-1.docker.io/v2/": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
尝试的错误解决方法（一顿乱搜，AI极具误导性）
- 修改
/etc/docker/daemon.json无效，还尝试了一下，以为可以，实际乱写的（AI方案） /etc/systemd/system/docker.service.d/http-proxy.conf新增配置，一看就不可行，都没有 systemd- 修改
/etc/init.d/dockerd添加 环境变量（AI方案），解决了一半，设置变量方式错了
最终有效方案
修改 /etc/init.d/dockerd 使用 procd_set_param env 设置环境变量
# 原脚本
start_service() {
local nofile=$(cat /proc/sys/fs/nr_open)
process_config
procd_open_instance
procd_set_param stderr 1
if [ -z "${DOCKERD_CONF}" ]; then
procd_set_param command /usr/bin/dockerd
else
procd_set_param command /usr/bin/dockerd --config-file="${DOCKERD_CONF}"
fi
procd_set_param limits nofile="${nofile} ${nofile}"
procd_close_instance
}
start_service() {
local nofile=$(cat /proc/sys/fs/nr_open)
process_config
procd_open_instance
procd_set_param stderr 1
if [ -z "${DOCKERD_CONF}" ]; then
procd_set_param command /usr/bin/dockerd
else
procd_set_param command /usr/bin/dockerd --config-file="${DOCKERD_CONF}"
fi
procd_set_param limits nofile="${nofile} ${nofile}"
procd_close_instance
}
# 原脚本
start_service() {
local nofile=$(cat /proc/sys/fs/nr_open)
process_config
procd_open_instance
# set proxy
procd_set_param env HTTP_PROXY=http://127.0.0.1:7890
procd_set_param env HTTPS_PROXY=http://127.0.0.1:7890
procd_set_param stderr 1
if [ -z "${DOCKERD_CONF}" ]; then
procd_set_param command /usr/bin/dockerd
else
procd_set_param command /usr/bin/dockerd --config-file="${DOCKERD_CONF}"
fi
procd_set_param limits nofile="${nofile} ${nofile}"
procd_close_instance
}
start_service() {
local nofile=$(cat /proc/sys/fs/nr_open)
process_config
procd_open_instance
# set proxy
procd_set_param env HTTP_PROXY=http://127.0.0.1:7890
procd_set_param env HTTPS_PROXY=http://127.0.0.1:7890
procd_set_param stderr 1
if [ -z "${DOCKERD_CONF}" ]; then
procd_set_param command /usr/bin/dockerd
else
procd_set_param command /usr/bin/dockerd --config-file="${DOCKERD_CONF}"
fi
procd_set_param limits nofile="${nofile} ${nofile}"
procd_close_instance
}
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