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docker-cloudflared's Issues

Log Inspect via Docker CLI

Hi just one information ...

I ran the container with Docker CLI (no docker-compose). If I enter in docker container in ash console (via portainer) I would like to know where I find the logs.
I would like to map logs across a volume with docker CLI and I was unable to find the path to the logs
Thanks

metrics server

Hi,

thanks four this image. I am not interested in metrics. Is it possible to deactivate the metrics server?

Can't change DNS listen port

Behaviour

Can't change DNS listen port

Steps to reproduce this issue

  1. Use UnRaid
  2. Get the container through Community Applications
  3. In the settings for the container set the DNS listen port to any port other than 5053

Expected behaviour

The container should change its DNS listen port accordingly to the port set in the configuration.

Actual behaviour

The container always uses port 5053.

Configuration

  • Docker version 19.03.5, build 633a0ea838
  • Docker compose version if applicable (type docker-compose --version) :
  • Platform: UnRaid 6.8.3
  • System info (type uname -a) : Linux Tower 4.19.107-Unraid #1 SMP Thu Mar 5 13:55:57 PST 2020 x86_64 Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz GenuineIntel GNU/Linux
  • Include all necessary configuration files :

Docker info

Client:
Debug Mode: false

Server:
Containers: 17
Running: 12
Paused: 0
Stopped: 5
Images: 17
Server Version: 19.03.5
Storage Driver: btrfs
Build Version: Btrfs v4.7.3
Library Version: 101
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: b34a5c8af56e510852c35414db4c1f4fa6172339
runc version: 3e425f80a8c931f88e6d94a8c831b9d5aa481657
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 4.19.107-Unraid
Operating System: Slackware 14.2 x86_64 (post 14.2 -current)
OSType: linux
Architecture: x86_64
CPUs: 32
Total Memory: 31.43GiB
Name: Tower
ID: GWTT:CIR3:JXTA:XM6F:O45K:DW5E:APOI:CM7N:VX5B:DXFI:7GM6:WL34
Docker Root Dir: /var/lib/docker
Debug Mode: false
Username: lustteufel
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
Product License: Community Engine

Logs

> Container logs (set LOG_LEVEL to debug if applicable)

Only runs on IPv6 when running in network host mode

Behaviour

When running the container in network host mode, the container only runs on IPv6 and not in IPv4.

Steps to reproduce this issue

  1. Create the following docker-compose.yml file:
version: '2.4'

services:
  cloudflared:
    container_name: cloudflared
    image: crazymax/cloudflared:latest
    mem_limit: 32m
    restart: always
    ports:
      - 5053:5053/udp
      - 49312:49312/tcp
    network_mode: host
    environment:
      TZ: "America/New_York"
      TUNNEL_DNS_UPSTREAM: "https://1.1.1.1/dns-query,https://1.0.0.1/dns-query"
  1. Start the docker container: docker-compose up -d
  2. After containers start, look in netstat to see what is running:
15:12 $ sudo netstat -tlnp | grep 5053
tcp6       0      0 :::5053                 :::*                    LISTEN      2714/cloudflared

Expected behaviour

The expected behavior is that cloudflared should run either on IPv4 as default in addition to IPv6.

Actual behaviour

Only IPv6 service is enabled.

Configuration

  • Docker version (type docker --version) : Docker version 19.03.7, build 7141c199a2
  • Docker compose version if applicable (type docker-compose --version) : docker-compose version 1.24.0, build 0aa59064
  • Platform (Debian 9, Ubuntu 18.04, ...) : Ubuntu 18.04
  • System info (type uname -a) : Linux hostname 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
  • Include all necessary configuration files : docker-compose.yml, .env, ... Included above.

Docker info

Server:
 Containers: 6
  Running: 5
  Paused: 0
  Stopped: 1
 Images: 18
 Server Version: 19.03.7
 Storage Driver: aufs
  Root Dir: /var/lib/docker/aufs
  Backing Filesystem: extfs
  Dirs: 140
  Dirperm1 Supported: true
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: active
  NodeID: qx8vp8z9nm63pi3j4o8n0x1l7
  Is Manager: true
  ClusterID: vafqhdsm0qxv0slylksma6rx1
  Managers: 1
  Nodes: 1
  Default Address Pool: 10.0.0.0/8
  SubnetSize: 24
  Data Path Port: 4789
  Orchestration:
   Task History Retention Limit: 5
WARNING: No swap limit support
WARNING: the aufs storage-driver is deprecated, and will be removed in a future release.
  Raft:
   Snapshot Interval: 10000
   Number of Old Snapshots to Retain: 0
   Heartbeat Tick: 1
   Election Tick: 10
  Dispatcher:
   Heartbeat Period: 5 seconds
  CA Configuration:
   Expiry Duration: 3 months
   Force Rotate: 0
  Autolock Managers: false
  Root Rotation In Progress: false
  Node Address: 192.168.1.3
  Manager Addresses:
   192.168.1.3:2377
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 7ad184331fa3e55e52b890ea95e65ba581ae3429
 runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
 init version: fec3683
 Security Options:
  apparmor
  seccomp
   Profile: default
 Kernel Version: 4.15.0-88-generic
 Operating System: Ubuntu 18.04.4 LTS
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 31.37GiB
 Name: starbuck
 ID: WKKZ:XESW:QEGJ:SQ2K:M2SG:MK7D:VXMB:C22Q:Y2B4:Y6QC:7T6O:VS5A
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Username: sohmc
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: falseq

Logs

time="2020-03-15T08:35:26-04:00" level=info msg="Adding DNS upstream" url="https://1.1.1.1/dns-query"
time="2020-03-15T08:35:26-04:00" level=info msg="Adding DNS upstream" url="https://1.0.0.1/dns-query"
time="2020-03-15T08:35:26-04:00" level=info msg="Starting metrics server" addr="[::]:49312"
time="2020-03-15T08:35:26-04:00" level=info msg="Starting DNS over HTTPS proxy server" addr="dns://0.0.0.0:5053"

Architecture Support Request: aarch64

I'm looking at running Pihole, your cloudflared and a number of other docker containers on my ROCK Pi 4 setup here, but it seems that you don't (yet) support the required "aarch64" architecture.

Any chance you could please add that to your project?

Healthcheck issue when using TUNNEL_DNS_ADDRESS parameter

When using the TUNNEL_DNS_ADDRESS parameter other than "0.0.0.0" the Healthcheck will report Unhealthy

For example: TUNNEL_DNS_ADDRESS=192.168.1.38

The Healthcheck command used is "dig +short @127.0.0.1 -p $TUNNEL_DNS_PORT cloudflare.com A || exit 1"

Changing it to "dig +short @$TUNNEL_DNS_ADDRESS -p $TUNNEL_DNS_PORT cloudflare.com A || exit 1" will solve this.

High latency

image

Latency

I am experiencing high latencies when I use the example docker compose file. Is this normal?

image

Normal latency

My normal latency is between 25 and 50ms...

Thanks in advance

edit: the latency in the cloudflared docker container is much much better:

image

Container latency

version: "3"

# More info at https://github.com/pi-hole/docker-pi-hole/ and https://docs.pi-hole.net/
services:
  pihole:
    container_name: pihole
    hostname: home-server
    image: pihole/pihole:latest
    mac_address: '02:42:6a:57:70:bf'
    networks:
      pihole:
        ipv4_address: 172.21.0.2
    ports:
      - "53:53/tcp"
      - "53:53/udp"
      #- "67:67/udp"  # DHCP Server
      - "80:80/tcp"
      - "443:443/tcp"
    environment:
      TZ: 'Europe/Berlin'
      WEBPASSWORD: 'XXX'
      DNS1: 172.21.0.3#5053
      DNS2: 172.21.0.3#5053
      ServerIP: 192.168.178.45
    # Volumes store your data between container upgrades
    volumes:
       - './etc-pihole/:/etc/pihole/'
       - './etc-dnsmasq.d/:/etc/dnsmasq.d/'
       #- './var-log/pihole.log:/var/log/pihole.log'
    dns:
      - 127.0.0.1
      - 1.1.1.1
    # Recommended but not required (DHCP needs NET_ADMIN)
    #   https://github.com/pi-hole/docker-pi-hole#note-on-capabilities
    cap_add:
      - NET_ADMIN
    restart: unless-stopped

  cloudflared:
    image: crazymax/cloudflared:latest
    container_name: cloudflared
    hostname: cloudflared
    networks:
      pihole:
        ipv4_address: 172.21.0.3
    environment:
      TZ: 'Europe/Berlin'
      TUNNEL_DNS_UPSTREAM: 'https://1.1.1.1/dns-query,https://1.0.0.1/dns-query'
    restart: unless-stopped

networks:
  pihole:
    ipam:
      config:
        - subnet: 172.21.0.0/24

Failed to connect to HTTPS backend

Behaviour

Starting the container. docker-compose

cloudflared: image: crazymax/cloudflared:latest container_name: cloudflared hostname: cloudflared networks: pihole: ipv4_address: 172.20.0.3 environment: - "TZ=America/New_York" - "TUNNEL_DNS_UPSTREAM=https://1.1.1.1/dns-query,https://1.0.0.1/dns-query" restart: always

Steps to reproduce this issue

  1. Start the container
  2. Run Arch Linux as Host
  3. use systemd-resolved on system ?

Expected behaviour

Properly resolve DoH to provide host name resolution.

Actual behaviour

Falling to resolve

level=error msg="failed to connect to an HTTPS backend \"https://1.0.0.1/dns-query\"" error="failed to perform an HTTPS request: Post https://1.0.0.1/dns-query: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"

Configuration

  • Docker version (type docker --version) : Docker version 19.03.4-ce, build 9013bf583a
  • Docker compose version if applicable (type docker-compose --version) : docker-compose version 1.24.1, build unknown
  • Platform (Debian 9, Ubuntu 18.04, ...) : Arch Linux

Docker info

> Output of command `Client:
 Debug Mode: false

Server:
 Containers: 26
  Running: 14
  Paused: 0
  Stopped: 12
 Images: 52
 Server Version: 19.03.4-ce
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: false
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: d50db0a42053864a270f648048f9a8b4f24eced3.m
 runc version: d736ef14f0288d6993a1845745d6756cfc9ddd5a
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 5.3.7.b-3-hardened
 Operating System: Arch Linux
 OSType: linux
 Architecture: x86_64
 CPUs: 64
 Total Memory: 60.9GiB
 Name: !
 ID: !
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Username: anthr76
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: API is accessible on http://0.0.0.0:4243 without encryption.
         Access to the remote API is equivalent to root access on the host. Refer
         to the 'Docker daemon attack surface' section in the documentation for
         more information: https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface
`

Logs

cloudflared      | time="2019-11-14T20:27:46-05:00" level=error msg="failed to connect to an HTTPS backend \"https://1.0.0.1/dns-query\"" error="failed to perform an HTTPS request: Post https://1.0.0.1/dns-query: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
cloudflared      | time="2019-11-14T20:27:46-05:00" level=error msg="failed to connect to an HTTPS backend \"https://1.0.0.1/dns-query\"" error="failed to perform an HTTPS request: Post https://1.0.0.1/dns-query: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
cloudflared      | time="2019-11-14T20:27:46-05:00" level=error msg="failed to connect to an HTTPS backend \"https://1.0.0.1/dns-query\"" error="failed to perform an HTTPS request: Post https://1.0.0.1/dns-query: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
cloudflared      | time="2019-11-14T20:34:21-05:00" level=info msg="Adding DNS upstream" url="https://1.1.1.1/dns-query"
cloudflared      | time="2019-11-14T20:34:21-05:00" level=info msg="Adding DNS upstream" url="https://1.0.0.1/dns-query"
cloudflared      | time="2019-11-14T20:34:21-05:00" level=info msg="Starting metrics server" addr="[::]:49312"
cloudflared      | time="2019-11-14T20:34:21-05:00" level=info msg="Starting DNS over HTTPS proxy server" addr="dns://0.0.0.0:5053"

Error opening metrics server listener error; bind: address already in use"

Behaviour

Metrics server starts when the container starts. I can visit the metrics endpoint and see the the data. So when a tunnel is started and the metrics server can't run because there is already a metrics server running on that port. The tunnel fails to start. Ducked the error without finding much for help.

Steps to reproduce this issue

This is my docker file.

version: "3.5"

services:
  cloudflared:
    image: crazymax/cloudflared:latest
    container_name: cloudflared

    volumes:
      - /mnt/dockers/config/cloudflared:/home/cloudflared
    ports:
      - target: 5053
        published: 5053
        protocol: udp
      - target: 49312
        published: 49312
        protocol: tcp
    environment:
      - "TZ=America/Los_Angeles"
      - "TUNNEL_DNS_UPSTREAM=https://u6ko3ti7wp.cloudflare-gateway.com/dns-query"
      - "TUNNEL_ORIGIN_CERT=/home/cloudflared/.cloudflared/cert.pem"
    restart: always 

The docker starts without issues. Going to localhost:49312/metrics shows

# HELP build_info Build and version information
# TYPE build_info gauge
build_info{goversion="go1.17.7",revision="",type="",version="2022.2.1"} 1
# HELP cloudflared_tunnel_active_streams Number of active streams created by all muxers.
# TYPE cloudflared_tunnel_active_streams gauge
cloudflared_tunnel_active_streams 0
# HELP cloudflared_tunnel_concurrent_requests_per_tunnel Concurrent requests proxied through each tunnel
# TYPE cloudflared_tunnel_concurrent_requests_per_tunnel gauge
cloudflared_tunnel_concurrent_requests_per_tunnel 0
# HELP cloudflared_tunnel_ha_connections Number of active ha connections
# TYPE cloudflared_tunnel_ha_connections gauge
cloudflared_tunnel_ha_connections 0
# HELP cloudflared_tunnel_request_errors Count of error proxying to origin
# TYPE cloudflared_tunnel_request_errors counter 
[Redacted for brevity]

Within the docker shell I start the tunnel using...

cloudflared tunnel --config /home/cloudflared/.cloudflared/config.yml run cloud

and it fails due to the metrics address already in use.

2022-02-21T06:02:26Z INF Starting tunnel tunnelID=[REDACTED]
2022-02-21T06:02:26Z INF Version 2022.2.1
2022-02-21T06:02:26Z INF GOOS: linux, GOVersion: go1.17.7, GoArch: amd64
2022-02-21T06:02:26Z INF Settings: map[config:/home/cloudflared/.cloudflared/config.yml cred-file:/home/cloudflared/.cloudflared/[REDACTED].json credentials-file:/home/cloudflared/.cloudflared/REDACTED.json]
2022-02-21T06:02:26Z INF Environmental variables map[TUNNEL_DNS_ADDRESS:0.0.0.0 TUNNEL_DNS_PORT:5053 TUNNEL_DNS_UPSTREAM:https://u6ko3ti7wp.cloudflare-gateway.com/dns-query TUNNEL_METRICS:0.0.0.0:49312 TUNNEL_ORIGIN_CERT:/home/cloudflared/.cloudflared/cert.pem]
2022-02-21T06:02:26Z INF cloudflared will not automatically update when run from the shell. To enable auto-updates, run cloudflared as a service: https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/run-tunnel/run-as-service
2022-02-21T06:02:26Z INF Generated Connector ID: [REDACTED]
2022-02-21T06:02:26Z INF Initial protocol http2
2022-02-21T06:02:26Z ERR Error opening metrics server listener error="listen tcp 0.0.0.0:49312: bind: address already in use"
Error opening metrics server listener: listen tcp 0.0.0.0:49312: bind: address already in use

Expected behaviour

The metrics server should only need to start once. Either when the docker comes up or when the tunnel is created, but not at both times.

Configuration

  • Docker version (type docker --version) : 20.10.11, build dea9396
  • Docker compose version if applicable (type docker-compose --version) : 1.25.0, build unknown
  • Platform (Debian 9, Ubuntu 18.04, ...) : TrueNAS Scale 5.10.81
  • System info (type uname -a) : Linux truenas-scale.local 5.10.81+truenas x86_64 GNU/Linux
  • Include all necessary configuration files : docker-compose.yml, .env, ...

Docker info

Client:
 Context:    default
 Debug Mode: false
 Plugins:
  app: Docker App (Docker Inc., v0.9.1-beta3)
  buildx: Build with BuildKit (Docker Inc., v0.6.3-docker)
  scan: Docker Scan (Docker Inc., v0.9.0)

Server:
 Containers: 22
  Running: 22
  Paused: 0
  Stopped: 0
 Images: 26
 Server Version: 20.10.11
 Storage Driver: zfs
  Zpool: dockers
  Zpool Health: ONLINE
  Parent Dataset: dockers
  Space Used By Parent: 77581218624
  Space Available: 3212133043392
  Parent Quota: no
  Compression: lz4
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Cgroup Version: 1
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: active
  NodeID: [REDACTED]
  Is Manager: true
  ClusterID: [REDACTED]
  Managers: 1
  Nodes: 1
  Default Address Pool: 10.0.0.0/8  
  SubnetSize: 24
  Data Path Port: 4789
  Orchestration:
   Task History Retention Limit: 5
  Raft:
   Snapshot Interval: 10000
   Number of Old Snapshots to Retain: 0
   Heartbeat Tick: 1
   Election Tick: 10
  Dispatcher:
   Heartbeat Period: 5 seconds
  CA Configuration:
   Expiry Duration: 3 months
   Force Rotate: 0
  Autolock Managers: false
  Root Rotation In Progress: false
  Node Address: [REDACTED]
  Manager Addresses:
   [REDACTED]
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 7b11cfaabd73bb80907dd23182b9347b4245eb5d
 runc version: v1.0.2-0-g52b36a2
 init version: de40ad0
 Security Options:
  apparmor
  seccomp
   Profile: default
 Kernel Version: 5.10.81+truenas
 Operating System: Debian GNU/Linux 11 (bullseye)
 OSType: linux
 Architecture: x86_64
 CPUs: 64
 Total Memory: 62.84GiB
 Name: truenas-scale.local
 ID: [REDACTED]
 Docker Root Dir: /mnt/dockers/home
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: true
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

Error backend "connection reset" and "request canceled"

Hi Crazymax I have recently installed your image on my raspberry pi 4 with docker but I have get two type of error:

  • ERROR[2020-08-21T23:08:40Z] failed to connect to an HTTPS backend "https://1.1.1.1/dns-query": failed to perform an HTTPS request: Post https://1.1.1.1/dns-query: read tcp 192.168.178.50:41594 (this two times with different port number 4xxxx) ->1.1.1.1:443: read: connection reset by peer
    and
  • ERROR[2020-08-19T23:10:05Z] failed to connect to an HTTPS backend "https://1.1.1.1/dns-query": failed to perform an HTTPS request: Post https://1.1.1.1/dns-query: net/http: request canceled (Client.Timeout exceeded while awaiting headers)

After restarting container work well but is a bit annoying.

Health check fails

Behaviour

Cloudflared container runs normally but reports as unhealthy.

Steps to reproduce this issue

  1. Pull my docker compose with your container https://github.com/grandegiraffo/pihole-doh
  2. docker-compose up -d
  3. Open Portainer or other tool to see health checks for all containers

Expected behaviour

Tell me what should happen

Actual behaviour

Tell me what happens instead

Configuration

  • Docker version (type docker --version) : version 20.10.6, build 370c289
  • Docker compose version if applicable (type docker-compose --version) : version 1.21.0
  • Platform (Debian 9, Ubuntu 18.04, ...) : Raspbian
  • System info (type uname -a) : Linux 5.10.17-v8+ #1421 SMP PREEMPT Thu May 27 14:01:37 BST 2021 aarch64 GNU/Linux
  • Include all necessary configuration files : docker-compose.yml, .env, ...

Docker info

> Output of command `docker info`

Logs

> Container logs (set LOG_LEVEL to debug if applicable)

Status | unhealthy
Failure count | 21
Last output | time.c:126: Operation not permitted timer.c:634: fatal error: RUNTIME_CHECK(isc_time_now((&now)) == 0) failed Aborted

can't use google DNS. Now it can

Behaviour

Steps to reproduce this issue

  1. insert https://dns64.dns.google/dns-query{?dns},https://dns.google/dns-query
  2. on pihole going showing no data

Expected behaviour

Tell me what should happen
get data from google DNS

Actual behaviour

Tell me what happens instead
no data, or CNAME

Configuration

Question: PiHole example Env vars

Hey there,

I'm just curious as to what these environment variables are used for as I don't see them in the pihole docker readme.

      - "PROXY_LOCATION=pihole"
      - "VIRTUAL_PORT=80"

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