What is the proper way to deal with the HTTPProxyCIDR WARNING and to setup no_proxy in an environment that sits behind a proxykube-dns kubedns/dnsmasq/sidecar fails to startWhere is Flanneld configuration that Kubernetes (installed by Kubeadm) use?Kubernetes Multi Master setupKube-Flannel cant get CIDR although PodCIDR available on nodeKubernetes upgrade failed to keep Pod SubnetHow to set no_proxy in Kubernetes podsCoredns in pending state in Kubernetes clusterKubernetes api server is not starting on a single kubeadm clusterCoredns in CrashLoopBackOff (kubernetes 1.11)Pending message exposed externalApi
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What is the proper way to deal with the HTTPProxyCIDR WARNING and to setup no_proxy in an environment that sits behind a proxy
kube-dns kubedns/dnsmasq/sidecar fails to startWhere is Flanneld configuration that Kubernetes (installed by Kubeadm) use?Kubernetes Multi Master setupKube-Flannel cant get CIDR although PodCIDR available on nodeKubernetes upgrade failed to keep Pod SubnetHow to set no_proxy in Kubernetes podsCoredns in pending state in Kubernetes clusterKubernetes api server is not starting on a single kubeadm clusterCoredns in CrashLoopBackOff (kubernetes 1.11)Pending message exposed externalApi
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I'm relatively new to k8s. I have now set up a cluster several times to ensure that I understand the process. I have struggled with networking a bit. I am currently initializing as follows:
kubeadm init --apiserver-advertise-address=10.93.98.204 --pod-network-cidr=10.244.0.0/16
In response to this I see the following warning:
[WARNING HTTPProxyCIDR]: connection to "10.96.0.0/12" uses proxy "http://proxy.corp.sensis. com:3128". This may lead to malfunctional cluster setup. Make sure that Pod and Services IP ranges specified correctly as exceptions in proxy configuration
Amongst other things, I am trying to ensure that I configure the cluster correctly, and the overlay network (flannel).
I've attempted to establish the no_proxy environment variable (centos 7).
The way that i tried this was as follows was to update /etc/profile.d/proxy.sh as follows:
printf -v lan '%s,' "10.93.98.204","10.93.98.23","10.93.98.36","10.93.103.236","10.93.97.123","10.93.97.202"
printf -v service '%s,' 10.244.1..255.1..255
export no_proxy="$lan%,,$service%,,127.0.0.1";
#export no_proxy="$lan%,,10.244.0.0/16,127.0.0.1";
export NO_PROXY=$no_proxy
However, this approach results in a massive string ($no_proxy) that far exceeds the maximum length within the Linux environment.
I've also tried using the pod-network-cidr in the no_proxy (10.244.0.0/16 - commented out in the above)
Two questions:
- What is the proper way to deal with this warning (WARNING HTTPProxyCIDR)?
- How can I set no_proxy so that my flannel network overlay works and my cluster works
kubernetes kubeadm edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
add a comment |
I'm relatively new to k8s. I have now set up a cluster several times to ensure that I understand the process. I have struggled with networking a bit. I am currently initializing as follows:
kubeadm init --apiserver-advertise-address=10.93.98.204 --pod-network-cidr=10.244.0.0/16
In response to this I see the following warning:
[WARNING HTTPProxyCIDR]: connection to "10.96.0.0/12" uses proxy "http://proxy.corp.sensis. com:3128". This may lead to malfunctional cluster setup. Make sure that Pod and Services IP ranges specified correctly as exceptions in proxy configuration
Amongst other things, I am trying to ensure that I configure the cluster correctly, and the overlay network (flannel).
I've attempted to establish the no_proxy environment variable (centos 7).
The way that i tried this was as follows was to update /etc/profile.d/proxy.sh as follows:
printf -v lan '%s,' "10.93.98.204","10.93.98.23","10.93.98.36","10.93.103.236","10.93.97.123","10.93.97.202"
printf -v service '%s,' 10.244.1..255.1..255
export no_proxy="$lan%,,$service%,,127.0.0.1";
#export no_proxy="$lan%,,10.244.0.0/16,127.0.0.1";
export NO_PROXY=$no_proxy
However, this approach results in a massive string ($no_proxy) that far exceeds the maximum length within the Linux environment.
I've also tried using the pod-network-cidr in the no_proxy (10.244.0.0/16 - commented out in the above)
Two questions:
- What is the proper way to deal with this warning (WARNING HTTPProxyCIDR)?
- How can I set no_proxy so that my flannel network overlay works and my cluster works
kubernetes kubeadm edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
add a comment |
I'm relatively new to k8s. I have now set up a cluster several times to ensure that I understand the process. I have struggled with networking a bit. I am currently initializing as follows:
kubeadm init --apiserver-advertise-address=10.93.98.204 --pod-network-cidr=10.244.0.0/16
In response to this I see the following warning:
[WARNING HTTPProxyCIDR]: connection to "10.96.0.0/12" uses proxy "http://proxy.corp.sensis. com:3128". This may lead to malfunctional cluster setup. Make sure that Pod and Services IP ranges specified correctly as exceptions in proxy configuration
Amongst other things, I am trying to ensure that I configure the cluster correctly, and the overlay network (flannel).
I've attempted to establish the no_proxy environment variable (centos 7).
The way that i tried this was as follows was to update /etc/profile.d/proxy.sh as follows:
printf -v lan '%s,' "10.93.98.204","10.93.98.23","10.93.98.36","10.93.103.236","10.93.97.123","10.93.97.202"
printf -v service '%s,' 10.244.1..255.1..255
export no_proxy="$lan%,,$service%,,127.0.0.1";
#export no_proxy="$lan%,,10.244.0.0/16,127.0.0.1";
export NO_PROXY=$no_proxy
However, this approach results in a massive string ($no_proxy) that far exceeds the maximum length within the Linux environment.
I've also tried using the pod-network-cidr in the no_proxy (10.244.0.0/16 - commented out in the above)
Two questions:
- What is the proper way to deal with this warning (WARNING HTTPProxyCIDR)?
- How can I set no_proxy so that my flannel network overlay works and my cluster works
kubernetes kubeadm edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
I'm relatively new to k8s. I have now set up a cluster several times to ensure that I understand the process. I have struggled with networking a bit. I am currently initializing as follows:
kubeadm init --apiserver-advertise-address=10.93.98.204 --pod-network-cidr=10.244.0.0/16
In response to this I see the following warning:
[WARNING HTTPProxyCIDR]: connection to "10.96.0.0/12" uses proxy "http://proxy.corp.sensis. com:3128". This may lead to malfunctional cluster setup. Make sure that Pod and Services IP ranges specified correctly as exceptions in proxy configuration
Amongst other things, I am trying to ensure that I configure the cluster correctly, and the overlay network (flannel).
I've attempted to establish the no_proxy environment variable (centos 7).
The way that i tried this was as follows was to update /etc/profile.d/proxy.sh as follows:
printf -v lan '%s,' "10.93.98.204","10.93.98.23","10.93.98.36","10.93.103.236","10.93.97.123","10.93.97.202"
printf -v service '%s,' 10.244.1..255.1..255
export no_proxy="$lan%,,$service%,,127.0.0.1";
#export no_proxy="$lan%,,10.244.0.0/16,127.0.0.1";
export NO_PROXY=$no_proxy
However, this approach results in a massive string ($no_proxy) that far exceeds the maximum length within the Linux environment.
I've also tried using the pod-network-cidr in the no_proxy (10.244.0.0/16 - commented out in the above)
Two questions:
- What is the proper way to deal with this warning (WARNING HTTPProxyCIDR)?
- How can I set no_proxy so that my flannel network overlay works and my cluster works
kubernetes kubeadm kubernetes kubeadm edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
edited Apr 9 at 23:31
Rico
32.6k10 gold badges56 silver badges77 bronze badges
32.6k10 gold badges56 silver badges77 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
asked Mar 27 at 12:28
Dave SargradDave Sargrad
131 silver badge7 bronze badges
131 silver badge7 bronze badges
add a comment |
add a comment |
1 Answer
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The no_proxy/NO_PROXY environment variables should be the way to go. However, you don't need to add every single IP to the string you can just add the whole subnet. Also, looks like you are missing 10.96.0.0/12 from the list.
For example (assuming 10.93.98.0/24 is your LAN subnet):
export no_proxy="10.96.0.0/12,10.93.98.0/24,10.244.0.0/16,127.0.0.1"
Also, make sure Docker noProxy is configured if you are using Docker.
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
add a comment |
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1 Answer
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1 Answer
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active
oldest
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active
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active
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votes
The no_proxy/NO_PROXY environment variables should be the way to go. However, you don't need to add every single IP to the string you can just add the whole subnet. Also, looks like you are missing 10.96.0.0/12 from the list.
For example (assuming 10.93.98.0/24 is your LAN subnet):
export no_proxy="10.96.0.0/12,10.93.98.0/24,10.244.0.0/16,127.0.0.1"
Also, make sure Docker noProxy is configured if you are using Docker.
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
add a comment |
The no_proxy/NO_PROXY environment variables should be the way to go. However, you don't need to add every single IP to the string you can just add the whole subnet. Also, looks like you are missing 10.96.0.0/12 from the list.
For example (assuming 10.93.98.0/24 is your LAN subnet):
export no_proxy="10.96.0.0/12,10.93.98.0/24,10.244.0.0/16,127.0.0.1"
Also, make sure Docker noProxy is configured if you are using Docker.
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
add a comment |
The no_proxy/NO_PROXY environment variables should be the way to go. However, you don't need to add every single IP to the string you can just add the whole subnet. Also, looks like you are missing 10.96.0.0/12 from the list.
For example (assuming 10.93.98.0/24 is your LAN subnet):
export no_proxy="10.96.0.0/12,10.93.98.0/24,10.244.0.0/16,127.0.0.1"
Also, make sure Docker noProxy is configured if you are using Docker.
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
The no_proxy/NO_PROXY environment variables should be the way to go. However, you don't need to add every single IP to the string you can just add the whole subnet. Also, looks like you are missing 10.96.0.0/12 from the list.
For example (assuming 10.93.98.0/24 is your LAN subnet):
export no_proxy="10.96.0.0/12,10.93.98.0/24,10.244.0.0/16,127.0.0.1"
Also, make sure Docker noProxy is configured if you are using Docker.
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
answered Apr 10 at 0:43
RicoRico
32.6k10 gold badges56 silver badges77 bronze badges
32.6k10 gold badges56 silver badges77 bronze badges
add a comment |
add a comment |
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