cilium-cli

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Published: May 6, 2024 License: Apache-2.0

README ยถ

Cilium CLI

Go Kind EKS (ENI) EKS (tunnel) GKE AKS (BYOCNI) Multicluster External Workloads

Installation

To build and install, use the install target:

make install

You may set the BINDIR environment variable to install the binary in a specific location instead of /usr/local/bin, e.g.

BINDIR=~/.local/bin make install

Alternatively, to install the latest binary release:

CILIUM_CLI_VERSION=$(curl -s https://raw.githubusercontent.com/cilium/cilium-cli/main/stable.txt)
GOOS=$(go env GOOS)
GOARCH=$(go env GOARCH)
curl -L --remote-name-all https://github.com/cilium/cilium-cli/releases/download/${CILIUM_CLI_VERSION}/cilium-${GOOS}-${GOARCH}.tar.gz{,.sha256sum}
sha256sum --check cilium-${GOOS}-${GOARCH}.tar.gz.sha256sum
sudo tar -C /usr/local/bin -xzvf cilium-${GOOS}-${GOARCH}.tar.gz
rm cilium-${GOOS}-${GOARCH}.tar.gz{,.sha256sum}

See https://github.com/cilium/cilium-cli/releases for supported GOOS/GOARCH binary releases.

Releases

Release Maintained Compatible Cilium Versions
v0.16.7 Yes Cilium 1.15 and newer
v0.15.22 Yes Cilium 1.14 (*)
v0.14.8 Yes Cilium 1.13

Note:

  • v0.15.22 can still be used for Cilium 1.15 and newer if Gateway API support is not enabled.

Capabilities

Install Cilium

To install Cilium while automatically detected:

cilium install
๐Ÿ”ฎ Auto-detected Kubernetes kind: minikube
โœจ Running "minikube" validation checks
โœ… Detected minikube version "1.5.2"
โ„น๏ธ  Cilium version not set, using default version "v1.9.1"
๐Ÿ”ฎ Auto-detected cluster name: minikube
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for Hubble...
๐Ÿš€ Creating service accounts...
๐Ÿš€ Creating cluster roles...
๐Ÿš€ Creating ConfigMap...
๐Ÿš€ Creating agent DaemonSet...
๐Ÿš€ Creating operator Deployment...
Supported Environments
  • minikube
  • kind
  • EKS
  • self-managed
  • GKE
  • AKS BYOCNI
  • k3s
  • Rancher
Cluster Context Management
cilium context
Context: minikube
Cluster: minikube
Auth: minikube
Host: https://192.168.64.25:8443
TLS server name:
CA path: /Users/tgraf/.minikube/ca.crt
Hubble
cilium hubble enable
๐Ÿ”‘ Generating certificates for Relay...
โœจ Deploying Relay...
Status
cilium status
    /ยฏยฏ\
 /ยฏยฏ\__/ยฏยฏ\    Cilium:             OK
 \__/ยฏยฏ\__/    Operator:           OK
 /ยฏยฏ\__/ยฏยฏ\    Envoy DaemonSet:    OK
 \__/ยฏยฏ\__/    Hubble Relay:       OK
    \__/       ClusterMesh:        disabled

DaemonSet         cilium             Desired: 1, Ready: 1/1, Available: 1/1
DaemonSet         cilium-envoy       Desired: 1, Ready: 1/1, Available: 1/1
Deployment        cilium-operator    Desired: 1, Ready: 1/1, Available: 1/1
Deployment        hubble-relay       Desired: 1, Ready: 1/1, Available: 1/1
Containers:       cilium             Running: 1
                  cilium-envoy       Running: 1
                  cilium-operator    Running: 1
                  hubble-relay       Running: 1
Image versions    cilium             quay.io/cilium/cilium:v1.9.1: 1
                  cilium-envoy       quay.io/cilium/cilium-envoy:v1.25.5-37a98693f069413c82bef1724dd75dcf1b564fd9@sha256:d10841c9cc5b0822eeca4e3654929418b6424c978fd818868b429023f6cc215d: 1
                  cilium-operator    quay.io/cilium/operator-generic:v1.9.1: 1
                  hubble-relay       quay.io/cilium/hubble-relay:v1.9.1: 1
Connectivity Check
cilium connectivity test --single-node
โŒ› Waiting for deployments to become ready
๐Ÿ”ญ Enabling Hubble telescope...
โš ๏ธ  Unable to contact Hubble Relay: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing dial tcp [::1]:4245: connect: connection refused"
โš ๏ธ  Did you enable and expose Hubble + Relay?
โ„น๏ธ  You can export Relay with a port-forward: kubectl port-forward -n kube-system deployment/hubble-relay 4245:4245
โ„น๏ธ  Disabling Hubble telescope and flow validation...
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to pod cilium-test/echo-same-node-7f877bbf9-p2xg8...
-------------------------------------------------------------------------------------------
โœ… client pod client-9f579495f-b2pcq was able to communicate with echo pod echo-same-node-7f877bbf9-p2xg8 (10.0.0.166)
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to outside of cluster...
-------------------------------------------------------------------------------------------
โœ… client pod client-9f579495f-b2pcq was able to communicate with cilium.io
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to local host...
-------------------------------------------------------------------------------------------
โœ… client pod client-9f579495f-b2pcq was able to communicate with local host
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to service echo-same-node...
-------------------------------------------------------------------------------------------
โœ… client pod client-9f579495f-b2pcq was able to communicate with service echo-same-node
With Flow Validation
cilium hubble port-forward&
cilium connectivity test --single-node
โŒ› Waiting for deployments to become ready
๐Ÿ”ญ Enabling Hubble telescope...
Handling connection for 4245
โ„น๏ธ  Hubble is OK, flows: 405/4096
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to pod cilium-test/echo-same-node-7f877bbf9-p2xg8...
-------------------------------------------------------------------------------------------
๐Ÿ“„ Flow logs of pod cilium-test/client-9f579495f-b2pcq:
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: SYN)
Jan  6 13:41:17.739: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: SYN, ACK)
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:17.755: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:17.756: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:17.757: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:17.757: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
๐Ÿ“„ Flow logs of pod cilium-test/echo-same-node-7f877bbf9-p2xg8:
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: SYN)
Jan  6 13:41:17.739: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: SYN, ACK)
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
Jan  6 13:41:17.739: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:17.755: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:17.756: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:17.757: 10.0.0.166:8080 -> 10.0.0.11:43876 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:17.757: 10.0.0.11:43876 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
โœ… client pod client-9f579495f-b2pcq was able to communicate with echo pod echo-same-node-7f877bbf9-p2xg8 (10.0.0.166)
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to outside of cluster...
-------------------------------------------------------------------------------------------
โŒ Found RST in pod cilium-test/client-9f579495f-b2pcq
โŒ FIN not found in pod cilium-test/client-9f579495f-b2pcq
๐Ÿ“„ Flow logs of pod cilium-test/client-9f579495f-b2pcq:
Jan  6 13:41:22.025: 10.0.0.11:55334 -> 10.0.0.243:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.025: 10.0.0.11:55334 -> 10.0.0.243:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.027: 10.0.0.243:53 -> 10.0.0.11:55334 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.028: 10.0.0.243:53 -> 10.0.0.11:55334 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.028: 10.0.0.11:56466 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.028: 10.0.0.11:56466 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.029: 10.0.0.104:53 -> 10.0.0.11:56466 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.029: 10.0.0.104:53 -> 10.0.0.11:56466 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.030: 10.0.0.11:57691 -> 10.0.0.243:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.030: 10.0.0.243:53 -> 10.0.0.11:57691 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.030: 10.0.0.11:57691 -> 10.0.0.243:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.031: 10.0.0.243:53 -> 10.0.0.11:57691 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.031: 10.0.0.11:52849 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.032: 10.0.0.104:53 -> 10.0.0.11:52849 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.033: 10.0.0.11:52849 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.037: 10.0.0.104:53 -> 10.0.0.11:52849 to-endpoint FORWARDED (UDP)
Jan  6 13:41:22.038: 10.0.0.11:45040 -> 172.217.168.46:443 to-stack FORWARDED (TCP Flags: SYN)
Jan  6 13:41:22.041: 172.217.168.46:443 -> 10.0.0.11:45040 to-endpoint FORWARDED (TCP Flags: SYN, ACK)
Jan  6 13:41:22.041: 10.0.0.11:45040 -> 172.217.168.46:443 to-stack FORWARDED (TCP Flags: ACK)
Jan  6 13:41:22.059: 10.0.0.11:45040 -> 172.217.168.46:443 to-stack FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:22.073: 172.217.168.46:443 -> 10.0.0.11:45040 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:22.096: 10.0.0.11:45040 -> 172.217.168.46:443 to-stack FORWARDED (TCP Flags: ACK, RST)
Jan  6 13:41:22.097: 172.217.168.46:443 -> 10.0.0.11:45040 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:22.097: 10.0.0.11:45040 -> 172.217.168.46:443 to-stack FORWARDED (TCP Flags: RST)
โœ… client pod client-9f579495f-b2pcq was able to communicate with cilium.io
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to local host...
-------------------------------------------------------------------------------------------
๐Ÿ“„ Flow logs of pod cilium-test/client-9f579495f-b2pcq:
Jan  6 13:41:25.305: 10.0.0.11 -> 192.168.64.25 to-stack FORWARDED (ICMPv4 EchoRequest)
Jan  6 13:41:25.305: 192.168.64.25 -> 10.0.0.11 to-endpoint FORWARDED (ICMPv4 EchoReply)
โœ… client pod client-9f579495f-b2pcq was able to communicate with local host
-------------------------------------------------------------------------------------------
๐Ÿ”Œ Validating from pod cilium-test/client-9f579495f-b2pcq to service echo-same-node...
-------------------------------------------------------------------------------------------
๐Ÿ“„ Flow logs of pod cilium-test/client-9f579495f-b2pcq:
Jan  6 13:41:30.499: 10.0.0.11:39559 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:30.499: 10.0.0.11:39559 -> 10.0.0.104:53 to-endpoint FORWARDED (UDP)
Jan  6 13:41:30.500: 10.0.0.104:53 -> 10.0.0.11:39559 to-endpoint FORWARDED (UDP)
Jan  6 13:41:30.500: 10.0.0.104:53 -> 10.0.0.11:39559 to-endpoint FORWARDED (UDP)
Jan  6 13:41:30.503: 10.0.0.11:59414 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: SYN)
Jan  6 13:41:30.503: 10.0.0.166:8080 -> 10.0.0.11:59414 to-endpoint FORWARDED (TCP Flags: SYN, ACK)
Jan  6 13:41:30.503: 10.0.0.11:59414 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
Jan  6 13:41:30.503: 10.0.0.11:59414 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:30.505: 10.0.0.166:8080 -> 10.0.0.11:59414 to-endpoint FORWARDED (TCP Flags: ACK, PSH)
Jan  6 13:41:30.509: 10.0.0.11:59414 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:30.509: 10.0.0.166:8080 -> 10.0.0.11:59414 to-endpoint FORWARDED (TCP Flags: ACK, FIN)
Jan  6 13:41:30.509: 10.0.0.11:59414 -> 10.0.0.166:8080 to-endpoint FORWARDED (TCP Flags: ACK)
โœ… client pod client-9f579495f-b2pcq was able to communicate with service echo-same-node
Network Performance test
cilium connectivity perf
๐Ÿ”ฅ Network Performance Test Summary:
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
๐Ÿ“‹ Scenario        | Node       | Test            | Duration        | Min             | Mean            | Max             | P50             | P90             | P99             | Transaction rate OP/s
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
๐Ÿ“‹ pod-to-pod      | same-node  | TCP_RR          | 1s              | 16ยตs            | 32.39ยตs         | 1.567ms         | 20ยตs            | 52ยตs            | 97ยตs            | 30696.13    
๐Ÿ“‹ pod-to-pod      | same-node  | UDP_RR          | 1s              | 14ยตs            | 29.86ยตs         | 4.41ms          | 17ยตs            | 47ยตs            | 97ยตs            | 33251.51    
๐Ÿ“‹ pod-to-pod      | same-node  | TCP_CRR         | 1s              | 290ยตs           | 512.1ยตs         | 13.413ms        | 467ยตs           | 626ยตs           | 980ยตs           | 1949.69     
๐Ÿ“‹ pod-to-pod      | other-node | TCP_RR          | 1s              | 350ยตs           | 692.85ยตs        | 3.543ms         | 631ยตs           | 1.001ms         | 1.483ms         | 1438.69     
๐Ÿ“‹ pod-to-pod      | other-node | UDP_RR          | 1s              | 312ยตs           | 865.83ยตs        | 8.731ms         | 605ยตs           | 1.444ms         | 6ms             | 1150.79     
๐Ÿ“‹ pod-to-pod      | other-node | TCP_CRR         | 1s              | 959ยตs           | 2.15805ms       | 7.677ms         | 1.555ms         | 5.425ms         | 7.133ms         | 461.78      
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------
๐Ÿ“‹ Scenario        | Node       | Test            | Duration        | Throughput Mb/s
-------------------------------------------------------------------------------------
๐Ÿ“‹ pod-to-pod      | same-node  | TCP_STREAM      | 1s              | 631.58       
๐Ÿ“‹ pod-to-pod      | same-node  | UDP_STREAM      | 1s              | 458.66       
๐Ÿ“‹ pod-to-pod      | other-node | TCP_STREAM      | 1s              | 411.43       
๐Ÿ“‹ pod-to-pod      | other-node | UDP_STREAM      | 1s              | 144.44       
-------------------------------------------------------------------------------------
ClusterMesh

Install Cilium & enable ClusterMesh in Cluster 1

cilium install --set=cluster.id=1
๐Ÿ”ฎ Auto-detected Kubernetes kind: GKE
โ„น๏ธ  Cilium version not set, using default version "v1.9.1"
๐Ÿ”ฎ Auto-detected cluster name: gke-cilium-dev-us-west2-a-tgraf-cluster1
โœ… Detected GKE native routing CIDR: 10.52.0.0/14
๐Ÿš€ Creating resource quotas...
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for Hubble...
๐Ÿš€ Creating service accounts...
๐Ÿš€ Creating cluster roles...
๐Ÿš€ Creating ConfigMap...
๐Ÿš€ Creating GKE Node Init DaemonSet...
๐Ÿš€ Creating agent DaemonSet...
๐Ÿš€ Creating operator Deployment...

cilium clustermesh enable
โœจ Validating cluster configuration...
โœ… Valid cluster identification found: name="gke-cilium-dev-us-west2-a-tgraf-cluster1" id="1"
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for ClusterMesh...
โœจ Deploying clustermesh-apiserver...
๐Ÿ”ฎ Auto-exposing service within GCP VPC (cloud.google.com/load-balancer-type=internal)

Install Cilium in Cluster 2

cilium install --context gke_cilium-dev_us-west2-a_tgraf-cluster2 --set=cluster.id=2
๐Ÿ”ฎ Auto-detected Kubernetes kind: GKE
โ„น๏ธ  Cilium version not set, using default version "v1.9.1"
๐Ÿ”ฎ Auto-detected cluster name: gke-cilium-dev-us-west2-a-tgraf-cluster2
โœ… Detected GKE native routing CIDR: 10.4.0.0/14
๐Ÿš€ Creating resource quotas...
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for Hubble...
๐Ÿš€ Creating service accounts...
๐Ÿš€ Creating cluster roles...
๐Ÿš€ Creating ConfigMap...
๐Ÿš€ Creating GKE Node Init DaemonSet...
๐Ÿš€ Creating agent DaemonSet...
๐Ÿš€ Creating operator Deployment...

cilium clustermesh enable --context gke_cilium-dev_us-west2-a_tgraf-cluster2
โœจ Validating cluster configuration...
โœ… Valid cluster identification found: name="gke-cilium-dev-us-west2-a-tgraf-cluster2" id="2"
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for ClusterMesh...
โœจ Deploying clustermesh-apiserver...
๐Ÿ”ฎ Auto-exposing service within GCP VPC (cloud.google.com/load-balancer-type=internal)

Connect Clusters

cilium clustermesh connect --destination-context gke_cilium-dev_us-west2-a_tgraf-cluster2
โœจ Extracting access information of cluster gke-cilium-dev-us-west2-a-tgraf-cluster2...
๐Ÿ”‘ Extracting secrets from cluster gke-cilium-dev-us-west2-a-tgraf-cluster2...
โ„น๏ธ  Found ClusterMesh service IPs: [10.168.15.209]
โœจ Extracting access information of cluster gke-cilium-dev-us-west2-a-tgraf-cluster1...
๐Ÿ”‘ Extracting secrets from cluster gke-cilium-dev-us-west2-a-tgraf-cluster1...
โ„น๏ธ  Found ClusterMesh service IPs: [10.168.15.208]
โœจ Connecting cluster gke_cilium-dev_us-west2-a_tgraf-cluster1 -> gke_cilium-dev_us-west2-a_tgraf-cluster2...
๐Ÿ”‘ Patching existing secret cilium-clustermesh...
โœจ Patching DaemonSet with IP aliases cilium-clustermesh...
โœจ Connecting cluster gke_cilium-dev_us-west2-a_tgraf-cluster2 -> gke_cilium-dev_us-west2-a_tgraf-cluster1...
๐Ÿ”‘ Patching existing secret cilium-clustermesh...
โœจ Patching DaemonSet with IP aliases cilium-clustermesh...
Encryption

Install a Cilium in a cluster and enable encryption with IPsec

cilium install --encryption=ipsec
๐Ÿ”ฎ Auto-detected Kubernetes kind: kind
โœจ Running "kind" validation checks
โœ… Detected kind version "0.9.0"
โ„น๏ธ  Cilium version not set, using default version "v1.9.2"
๐Ÿ”ฎ Auto-detected cluster name: kind-chart-testing
๐Ÿ”ฎ Auto-detected IPAM mode: kubernetes
๐Ÿ”‘ Found existing CA in secret cilium-ca
๐Ÿ”‘ Generating certificates for Hubble...
๐Ÿš€ Creating Service accounts...
๐Ÿš€ Creating Cluster roles...
๐Ÿ”‘ Generated encryption secret cilium-ipsec-keys
๐Ÿš€ Creating ConfigMap...
๐Ÿš€ Creating Agent DaemonSet...
๐Ÿš€ Creating Operator Deployment...
โŒ› Waiting for Cilium to be installed...
Examples
install examples

To install the default version of Cilium:

cilium install

To see the Helm release that got deployed:

helm list -n kube-system --filter "cilium"

To see non-default Helm values that cilium-cli used for this Cilium installation:

helm get values -n kube-system cilium

To see all the Cilium-related resources without installing them to your cluster:

cilium install --dry-run

To see all the non-default Helm values without actually performing the installation:

cilium install --dry-run-helm-values

To install using Cilium's OCI dev chart repository:

cilium install --repository oci://quay.io/cilium-charts-dev/cilium --version 1.14.0-dev-dev.4-main-797347707c
upgrade examples

To upgrade to a specific version of Cilium:

cilium upgrade --version v1.13.3

To upgrade using a local Helm chart:

cilium upgrade --chart-directory ./install/kubernetes/cilium

To upgrade using Cilium's OCI dev chart repository:

cilium upgrade --repository oci://quay.io/cilium-charts-dev/cilium --version 1.14.0-dev-dev.4-main-797347707c

Note that upgrade does not mean you can only upgrade to a newer version than what is currently installed. Similar to helm upgrade, cilium upgrade can be used to downgrade to a previous version. For example:

 cilium install --version 1.13.3
 cilium upgrade --version 1.12.10

Please read the upgrade guide carefully before upgrading Cilium to understand all the necessary steps. In particular, please note that cilium-cli does not automatically modify non-default Helm values during upgrade. You can use --dry-run and --dry-run-helm-values flags to review Kubernetes resources and non-default Helm values without actually performing an upgrade:

To see the difference between the current Kubernetes resources in a live cluster and what would be applied:

cilium upgrade --version v1.13.3 --dry-run | kubectl diff -f -

To see the non-default Helm values that would be used during upgrade:

cilium upgrade --version v1.13.3 --dry-run-helm-values

Note You can use external diff tools such as dyff to make kubectl diff output more readable.

It is strongly recommended that you use Cilium's OCI dev chart repository if you need to deploy Cilium with a specific commit SHA. Alternatively, you can use image.override Helm value if you need to override the cilium-agent container image. For example:

cilium upgrade --set image.override=quay.io/cilium/cilium-ci:103e277f78ce95e922bfac98f1e74138a411778a --reuse-values

Please see Cilium's Helm Reference for the complete list of Helm values.

Directories ยถ

Path Synopsis
cmd
internal
k8s
Package k8s provides various helper functions for interacting with Kubernetes APIs.
Package k8s provides various helper functions for interacting with Kubernetes APIs.
utils

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