[英]Connect to docker.sock to get container stats using python socket only
因此,我試圖獲取在服務器上運行的 docker 容器的一些統計信息。 我嘗試了多種方法:
前兩個工作得很好,但我不能使用套接字方法。 我想比較這些方法,以確定哪種方法更適合我的使用。 基本上,我正在嘗試將 curl 命令轉換為 python 請求。 這是我使用過的 curl 命令: curl -H --unix-socket /var/run/docker.sock http://localhost/containers/CONTAINER_ID/stats?stream=false
有人可以幫我弄這個嗎?
/var/run/docker.sock
。 在示例中,我將其作為卷安裝到容器中 htpc:
container_name: htpc
build:
context: .
dockerfile: flask-Dockerfile
ports:
- "5000:5000"
restart: unless-stopped
volumes:
- /var/run/docker.sock:/var/run/docker.sock # map through socket
def docker_api():
client = docker.from_env()
if request.args["action"] == "list":
l = []
for c in client.containers.list(all=True):
# string conversion only works for 6 digit ms, strip back to 26 chars
if c.status == "running":
utc_time = datetime.strptime(client.api.inspect_container(c.short_id)["State"]["StartedAt"][:26]+"Z", "%Y-%m-%dT%H:%M:%S.%fZ")
else:
utc_time = datetime.utcnow()
l.append({"id":c.short_id, "name":c.name, "image":c.image.tags[0] if len(c.image.tags)>0 else "unknown",
"status":c.status, "logs":True, "inspect":True,
"stats":c.status=="running", "restart":c.status=="running", "stop":c.status=="running", "start":c.status!="running", "delete":True,
"uptime":(utc_time - datetime(1970, 1, 1)).total_seconds(),
})
return Response(json.dumps(l), mimetype="text/json")
elif request.args["action"] == "logs":
return Response(client.containers.get(request.args["id"]).logs().decode(), mimetype="text/plain")
elif request.args["action"] == "stats":
return Response(json.dumps(client.containers.get(request.args["id"]).stats(stream=False)), mimetype="text/json")
elif request.args["action"] == "inspect":
js = client.api.inspect_container(request.args["id"])
m = {"StartedAt":js["State"]["StartedAt"], "Mounts":js["Mounts"]}
for i, mp in enumerate(m["Mounts"]):
m["Mounts"][i] = {k: mp[k] for k in ('Source', 'Destination')}
e = {"Env":js["Config"]["Env"], 'RestartPolicy':js['HostConfig']['RestartPolicy']}
p = {"Ports":js["NetworkSettings"]["Ports"]}
js = {**m, **e, **p} #, **js}
return Response(json.dumps(js), mimetype="text/json")
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