jaeger
jaeger manages the jaeger extension of Linkerd service mesh.
Subcommands
check
Check the Jaeger extension for potential problems.
The check command will perform a series of checks to validate that the Jaeger extension is configured correctly. If the command encounters a failure it will print additional information about the failure and exit with a non-zero exit code.
Examples
# Check that the Jaeger extension is up and running
linkerd jaeger checkFlags
| Flag | Usage |
|---|---|
--namespace
-n
|
Namespace to use for –proxy checks (default: all namespaces) |
--output
-o
|
Output format. One of: basic, json |
--proxy
|
Also run data-plane checks, to determine if the data plane is healthy |
--wait
|
Maximum allowed time for all tests to pass |
dashboard
Open the Jaeger extension dashboard in a web browser
Flags
| Flag | Usage |
|---|---|
--address
|
The address at which to serve requests |
--port
-p
|
The local port on which to serve requests (when set to 0, a random port will be used) |
--show-url
|
show only URL in the CLI, and do not open the browser |
--wait
|
Wait for dashboard to become available if it’s not available when the command is run |
install
Output Kubernetes resources to install jaeger extension.
Examples
# Default install.
linkerd jaeger install | kubectl apply -f -
# Install Jaeger extension into a non-default namespace.
linkerd jaeger install --namespace custom | kubectl apply -f -
The installation can be configured by using the --set, --values, --set-string and --set-file flags.
A full list of configurable values can be found at https://www.github.com/linkerd/linkerd2/tree/main/jaeger/charts/linkerd-jaeger/README.md
Flags
| Flag | Usage |
|---|---|
--ignore-cluster
|
Ignore the current Kubernetes cluster when checking for existing cluster configuration (default false) |
--registry
|
Docker registry to pull jaeger-webhook image from ($LINKERD_DOCKER_REGISTRY) |
--set
|
set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2) |
--set-file
|
set values from respective files specified via the command line (can specify multiple or separate values with commas: key1=path1,key2=path2) |
--set-string
|
set STRING values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2) |
--skip-checks
|
Skip checks for linkerd core control-plane existence |
--values
-f
|
specify values in a YAML file or a URL (can specify multiple) |
--wait
|
Wait for core control-plane components to be available |
list
Lists which pods have tracing enabled
Flags
| Flag | Usage |
|---|---|
--all-namespaces
-A
|
If present, list pods across all namespaces |
--namespace
-n
|
The namespace to list pods in |
uninstall
Output Kubernetes resources to uninstall the Linkerd-jaeger extension.
This command provides all Kubernetes namespace-scoped and cluster-scoped resources (e.g services, deployments, RBACs, etc.) necessary to uninstall the Linkerd-jaeger extension.
Examples
linkerd uninstall | kubectl delete -f -