chore(*) iptables for DNS redirection #1808
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added 6 commits
April 13, 2021 12:32
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
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April 14, 2021 14:54
Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
jakubdyszkiewicz
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* chore(*) import changes from release-1.10 * chore(kumactl) transparent proxy constants * chore(transparentproxy) forward port ipv6 inbound port * chore(transparentproxy) redirect DNS to a set port * chore(transparentproxy) handle IPv6 DNS servers redirect * chore(transparentproxy) high level redirect DNS configure Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com> (cherry picked from commit bb6ebb0) # Conflicts: # app/kumactl/pkg/install/k8s/control-plane/helmtemplates_vfsdata.go
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* chore(*) import changes from release-1.10 * chore(kumactl) transparent proxy constants * chore(transparentproxy) forward port ipv6 inbound port * chore(transparentproxy) redirect DNS to a set port * chore(transparentproxy) handle IPv6 DNS servers redirect * chore(transparentproxy) high level redirect DNS configure Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com> (cherry picked from commit bb6ebb0) # Conflicts: # app/kumactl/pkg/install/k8s/control-plane/helmtemplates_vfsdata.go Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
nickolaev
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Apr 15, 2021
* chore(*) import changes from release-1.10 * chore(kumactl) transparent proxy constants * chore(transparentproxy) forward port ipv6 inbound port * chore(transparentproxy) redirect DNS to a set port * chore(transparentproxy) handle IPv6 DNS servers redirect * chore(transparentproxy) high level redirect DNS configure Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com> (cherry picked from commit bb6ebb0) # Conflicts: # app/kumactl/pkg/install/k8s/control-plane/helmtemplates_vfsdata.go Signed-off-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com> Co-authored-by: Nikolay Nikolaev <nikolay.nikolaev@konghq.com>
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Summary
To enable iptables port redirect to the local IP:
kumactl install transparent-proxy --kuma-dp-uid 1000 --kuma-cp-ip 1.2.3.4 --redirect-dns --redirect-dns-port 15053KUMA_RUNTIME_KUBERNETES_INJECTOR_SIDECAR_CONTAINER_USE_BUILTIN_DNS=trueNote:
This PR changes the behavior of
kumactl install transparent-proxyby replacing--skip-resolv-confwith--modify-resolv-confwhich is reflected in the e2e test framework'ssetupTransparent. Eventually, this should be replaced with--redirect-dns.TODO:
Make the relevant changes in the CNI so we can handle the DNS redirection
Documentation