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Update Istio configuration to use CNI node agents instead of istio-init containers #474

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Merged
merged 12 commits into from
Oct 22, 2025
Merged

Update Istio configuration to use CNI node agents instead of istio-init containers #474

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08606a3
Update Istio configuration to use CNI node agents instead of `istio-i…
MaciejKaras Sep 24, 2025
b695d51
Internal review fixes
MaciejKaras Sep 24, 2025
40048fc
Merge branch 'master' into maciejk/istio-cni-node-agent
MaciejKaras Sep 29, 2025
f51f321
Merge branch 'master' into maciejk/istio-cni-node-agent
MaciejKaras Oct 10, 2025
592f35d
Bump istio version because of the issue with CNI -> https://github.co…
MaciejKaras Oct 10, 2025
9013035
Test fixes
MaciejKaras Oct 10, 2025
0f48278
Workaround for istio init-container issue
MaciejKaras Oct 10, 2025
5bda5af
Revert Istio version bump
MaciejKaras Oct 13, 2025
00e0dec
Merge branch 'master' into maciejk/istio-cni-node-agent
MaciejKaras Oct 13, 2025
34294e3
Revert some changes
MaciejKaras Oct 13, 2025
99243e8
om_remotemode test fixes
MaciejKaras Oct 13, 2025
75553f8
Drop public samples and code snippets changes
MaciejKaras Oct 21, 2025
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21 changes: 18 additions & 3 deletions multi_cluster/tools/install_istio.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ make -f ../tools/certs/Makefile.selfsigned.mk "${CTX_CLUSTER3}-cacerts" || make
# create cluster secret objects with the certs and keys
kubectl --context="${CTX_CLUSTER1}" delete ns istio-system || true
kubectl --context="${CTX_CLUSTER1}" create ns istio-system
kubectl --context="${CTX_CLUSTER1}" label --overwrite ns istio-system pod-security.kubernetes.io/enforce=privileged
kubectl --context="${CTX_CLUSTER1}" create secret generic cacerts -n istio-system \
--from-file=${CTX_CLUSTER1}/ca-cert.pem \
--from-file=${CTX_CLUSTER1}/ca-key.pem \
Expand All @@ -46,6 +47,7 @@ kubectl --context="${CTX_CLUSTER1}" create secret generic cacerts -n istio-syste

kubectl --context="${CTX_CLUSTER2}" delete ns istio-system || true
kubectl --context="${CTX_CLUSTER2}" create ns istio-system
kubectl --context="${CTX_CLUSTER2}" label --overwrite ns istio-system pod-security.kubernetes.io/enforce=privileged
kubectl --context="${CTX_CLUSTER2}" create secret generic cacerts -n istio-system \
--from-file=${CTX_CLUSTER2}/ca-cert.pem \
--from-file=${CTX_CLUSTER2}/ca-key.pem \
Expand All @@ -54,6 +56,7 @@ kubectl --context="${CTX_CLUSTER2}" create secret generic cacerts -n istio-syste

kubectl --context="${CTX_CLUSTER3}" delete ns istio-system || true
kubectl --context="${CTX_CLUSTER3}" create ns istio-system
kubectl --context="${CTX_CLUSTER3}" label --overwrite ns istio-system pod-security.kubernetes.io/enforce=privileged
kubectl --context="${CTX_CLUSTER3}" create secret generic cacerts -n istio-system \
--from-file=${CTX_CLUSTER3}/ca-cert.pem \
--from-file=${CTX_CLUSTER3}/ca-key.pem \
Expand All @@ -67,6 +70,10 @@ apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
tag: ${VERSION}
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -81,13 +88,17 @@ spec:
network: network1
EOF

bin/istioctl install --context="${CTX_CLUSTER1}" -f cluster1.yaml -y &
bin/istioctl install --context="${CTX_CLUSTER1}" --set components.cni.enabled=true -f cluster1.yaml -y &

cat <<EOF >cluster2.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
tag: ${VERSION}
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -102,13 +113,17 @@ spec:
network: network1
EOF

bin/istioctl install --context="${CTX_CLUSTER2}" -f cluster2.yaml -y &
bin/istioctl install --context="${CTX_CLUSTER2}" --set components.cni.enabled=true -f cluster2.yaml -y &

cat <<EOF >cluster3.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
tag: ${VERSION}
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -123,7 +138,7 @@ spec:
network: network1
EOF

bin/istioctl install --context="${CTX_CLUSTER3}" -f cluster3.yaml -y &
bin/istioctl install --context="${CTX_CLUSTER3}" --set components.cni.enabled=true -f cluster3.yaml -y &

wait

Expand Down
2 changes: 1 addition & 1 deletion multi_cluster/tools/install_istio_central.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -10,4 +10,4 @@ source multi_cluster/tools/download_istio.sh
cd istio-${VERSION}

bin/istioctl x uninstall --context="${CTX_CLUSTER}" --purge --skip-confirmation
bin/istioctl install --context="${CTX_CLUSTER}" --set profile=default --set meshConfig.outboundTrafficPolicy.mode=REGISTRY_ONLY --skip-confirmation
bin/istioctl install --context="${CTX_CLUSTER}" --set components.cni.enabled=true --set profile=default --set meshConfig.outboundTrafficPolicy.mode=REGISTRY_ONLY --skip-confirmation
19 changes: 16 additions & 3 deletions public/architectures/setup-multi-cluster/ra-03-setup-istio/install_istio_separate_network.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,10 @@ cat <<EOF > cluster1.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -93,7 +97,8 @@ spec:
clusterName: cluster1
network: network1
EOF
bin/istioctl install --context="${CTX_CLUSTER1}" -f cluster1.yaml -y
bin/istioctl install --context="${CTX_CLUSTER1}" --set components.cni.enabled=true -f cluster1.yaml -y

samples/multicluster/gen-eastwest-gateway.sh \
--mesh mesh1 --cluster cluster1 --network network1 | \
bin/istioctl --context="${CTX_CLUSTER1}" install -y -f -
Expand All @@ -116,6 +121,10 @@ cat <<EOF > cluster2.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -130,7 +139,7 @@ spec:
network: network2
EOF

bin/istioctl install --context="${CTX_CLUSTER2}" -f cluster2.yaml -y
bin/istioctl install --context="${CTX_CLUSTER2}" --set components.cni.enabled=true -f cluster2.yaml -y

samples/multicluster/gen-eastwest-gateway.sh \
--mesh mesh1 --cluster cluster2 --network network2 | \
Expand All @@ -150,6 +159,10 @@ cat <<EOF > cluster3.yaml
apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
components:
cni:
namespace: istio-system
enabled: true
meshConfig:
defaultConfig:
terminationDrainDuration: 30s
Expand All @@ -164,7 +177,7 @@ spec:
network: network3
EOF

bin/istioctl install --context="${CTX_CLUSTER3}" -f cluster3.yaml -y
bin/istioctl install --context="${CTX_CLUSTER3}" --set components.cni.enabled=true -f cluster3.yaml -y

samples/multicluster/gen-eastwest-gateway.sh \
--mesh mesh1 --cluster cluster3 --network network3 | \
Expand Down
188 changes: 0 additions & 188 deletions scripts/release/kubectl-mongodb/install_istio_separate_network.sh
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@MaciejKaras MaciejKaras Sep 24, 2025

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This file was unused

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@mircea-cosbuc mircea-cosbuc Sep 25, 2025

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q: Was this accidentally commited into the scripts/release/kubectl-mongodb folder?

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@MaciejKaras MaciejKaras Sep 29, 2025

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yes, exactly. This was added mistakenly added during kubectl-mongodb plugin refactoring

This file was deleted.

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