add daemon control button

luasrc/model/cbi/dockerman/overview.lua

@@ -4,8 +4,14 @@ Copyright 2019 lisaac <https://github.com/lisaac/luci-app-dockerman>
 ]]--
 
 local docker = require "luci.model.docker"
+local uci = (require "luci.model.uci").cursor()
 
-local m, s, o
+local m, s, o, lost_state
+local dk = docker.new()
+
+if dk:_ping().code ~= 200 then
+	lost_state = true
+end
 
 function byte_format(byte)
 	local suff = {"B", "KB", "MB", "GB", "TB"}
@@ -31,6 +37,52 @@ docker_info_table['7DockerRootDir'] = {_key=translate("Docker Root Dir"),_value=
 docker_info_table['8IndexServerAddress'] = {_key=translate("Index Server Address"),_value='-'}
 docker_info_table['9RegistryMirrors'] = {_key=translate("Registry Mirrors"),_value='-'}
 
+if nixio.fs.access("/usr/bin/dockerd") and not uci:get_bool("dockerd", "dockerman", "remote_endpoint") then
+	s = m:section(SimpleSection)
+	s.template = "dockerman/apply_widget"
+	s.err=docker:read_status()
+	s.err=s.err and s.err:gsub("\n","<br>"):gsub(" ","&nbsp;")
+	if s.err then
+		docker:clear_status()
+	end
+	s = m:section(Table,{{}})
+	s.notitle=true
+	s.rowcolors=false
+	s.template = "cbi/nullsection"
+
+	o = s:option(Button, "_start")
+	o.template = "dockerman/cbi/inlinebutton"
+	o.inputtitle = lost_state and translate("Start") or translate("Stop")
+	o.inputstyle = lost_state and "add" or "remove"
+	o.forcewrite = true
+	o.write = function(self, section)
+		docker:clear_status()
+
+		if lost_state then
+			docker:append_status("Docker daemon: starting")
+			luci.util.exec("/etc/init.d/dockerd start")
+		else
+			docker:append_status("Docker daemon: stopping")
+			luci.util.exec("/etc/init.d/dockerd stop")
+		end
+		docker:clear_status()
+		luci.http.redirect(luci.dispatcher.build_url("admin/docker/overview"))
+	end
+
+	o = s:option(Button, "_restart")
+	o.template = "dockerman/cbi/inlinebutton"
+	o.inputtitle = translate("Restart")
+	o.inputstyle = "reload"
+	o.forcewrite = true
+	o.write = function(self, section)
+		docker:clear_status()
+		docker:append_status("Docker daemon: restarting")
+		luci.util.exec("/etc/init.d/dockerd restart")
+		docker:clear_status()
+		luci.http.redirect(luci.dispatcher.build_url("admin/docker/overview"))
+	end
+end
+
 s = m:section(Table, docker_info_table)
 s:option(DummyValue, "_key", translate("Info"))
 s:option(DummyValue, "_value")
@@ -45,8 +97,7 @@ s.images_total = '-'
 s.networks_total = '-'
 s.volumes_total = '-'
 
-if docker.new():_ping().code == 200 then
+if not lost_state then
-	local dk = docker.new()
 	local containers_list = dk.containers:list({query = {all=true}}).body
 	local images_list = dk.images:list().body
 	local vol = dk.volumes:list()
@@ -85,6 +136,8 @@ if docker.new():_ping().code == 200 then
 	s.images_total = tostring(#images_list)
 	s.networks_total = tostring(#networks_list)
 	s.volumes_total = tostring(#volumes_list)
+else
+	docker_info_table['3ServerVersion']._value = translate("Cannot connect to Docker daemon. Is the docker daemon running?")
 end
 
 return m

po/zh_Hans/dockerman.po

@@ -745,6 +745,7 @@ msgstr "资源"
 
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/container.lua:227
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/containers.lua:202
+#: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/overview.lua:74
 msgid "Restart"
 msgstr "重启"
 
@@ -795,6 +796,7 @@ msgstr ""
 
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/container.lua:218
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/containers.lua:193
+#: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/overview.lua:55
 msgid "Start"
 msgstr "启动"
 
@@ -815,6 +817,7 @@ msgstr "状态"
 
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/container.lua:236
 #: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/containers.lua:211
+#: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/overview.lua:55
 msgid "Stop"
 msgstr "停止"
 
@@ -951,3 +954,7 @@ msgid ""
 msgstr ""
 "按下导入按钮时，既可以将本地镜像文件加载到系统上，也可以从远程下载有效的Tar格"
 "式的镜像文件。"
+
+#: applications/luci-app-dockerman/luasrc/model/cbi/dockerman/overview.lua:140
+msgid "Cannot connect to Docker daemon. Is the docker daemon running?"
+msgstr "无法连接到 Docker 守护进程，Docker 是否已启动？"