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| # ~/.shellcheckrc | ||
| disable=SC1017 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,102 +1,102 @@ | ||
| #!/bin/bash | ||
|
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| namespace="kubeflow" | ||
| error_flag=0 | ||
|
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| # Function to check if 'id' command is available in a container | ||
| has_id_command() { | ||
| local pod_name="$1" | ||
| local container_name="$2" | ||
|
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| # Execute 'id' command and capture the output | ||
| if kubectl exec -it -n "$namespace" "$pod_name" -c "$container_name" -- id -u >/dev/null 2>&1; then | ||
| return 0 # 'id' command is available | ||
| else | ||
| return 1 # 'id' command is not available | ||
| fi | ||
| } | ||
|
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| # Function to check 'securityContext' and 'runAsNonRoot' at the pod or container level | ||
| has_securityContext_and_runAsNonRoot() { | ||
| local pod_name="$1" | ||
| local container_name="$2" | ||
|
|
||
| # Use jq to check if 'securityContext' is defined at the pod level | ||
| local securityContextPod=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.securityContext') | ||
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| if [ "$securityContextPod" = "null" ]; then | ||
| : # 'securityContext' is missing at the pod level, continue checking at the container level | ||
| else | ||
| # Check 'runAsNonRoot' at the pod level | ||
| local runAsNonRootPod=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.securityContext.runAsNonRoot // "Missing"') | ||
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| if [ "$runAsNonRootPod" = "Missing" ]; then | ||
| : # 'runAsNonRoot' is missing at the pod level, continue checking at the container level | ||
| else | ||
| return 0 # 'runAsNonRoot' is present at the pod level (success) | ||
| fi | ||
| fi | ||
|
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| # Use jq to check 'securityContext' at the container level | ||
| local securityContextContainer=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[] | select(.name == "'"$container_name"'").securityContext') | ||
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| if [ "$securityContextContainer" = "null" ]; then | ||
| if [ "$securityContextPod" = "null" ]; then | ||
| echo "Error: 'securityContext' is missing at the pod and container level in container $container_name of pod $pod_name" | ||
| return 1 | ||
| else | ||
| echo "Error: There is no runasnonroot on pod level and 'securityContext' is missing at container level in container $container_name of pod $pod_name" | ||
| return 1 | ||
| fi | ||
| fi | ||
|
|
||
| # Check 'runAsNonRoot' at the container level | ||
| local runAsNonRootContainer=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[] | select(.name == "'"$container_name"'").securityContext.runAsNonRoot // "Missing"') | ||
|
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| if [ "$runAsNonRootContainer" = "Missing" ]; then | ||
| echo "Error: There is no runasnonroot on pod level and'runAsNonRoot' is missing in container $container_name of pod $pod_name" | ||
| return 1 # 'runAsNonRoot' is missing at the container level (fail) | ||
| fi | ||
|
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||
| return 0 # 'securityContext' and 'runAsNonRoot' are defined at the container level | ||
| } | ||
|
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||
| # Get a list of pod names in the specified namespace that are not in the "Completed" state | ||
| pod_names=$(kubectl get pods -n "$namespace" --field-selector=status.phase!=Succeeded,status.phase!=Failed -o json | jq -r '.items[].metadata.name') | ||
|
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||
| # Loop through the pod names and execute checks | ||
| for pod_name in $pod_names; do | ||
| echo "Entering pod $pod_name in namespace $namespace..." | ||
|
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| container_names=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[].name') | ||
|
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| for container_name in $container_names; do | ||
| if has_securityContext_and_runAsNonRoot "$pod_name" "$container_name"; then | ||
| error_flag=1 | ||
| fi | ||
|
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| if has_id_command "$pod_name" "$container_name"; then | ||
| user_id=$(kubectl exec -it -n "$namespace" "$pod_name" -c "$container_name" -- id -u) | ||
|
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| # Clean up whitespace in the user_id using tr | ||
| user_id_cleaned=$(echo -n "$user_id" | tr -d '[:space:]') | ||
|
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| if [ "$user_id_cleaned" = "0" ]; then | ||
| echo "Error: Pod $pod_name contains user ID 0 in container $container_name" | ||
| error_flag=1 | ||
| else | ||
| echo "Container: $container_name - User ID: $user_id_cleaned" | ||
| fi | ||
| else | ||
| echo "Warning: 'id' command not available in container $container_name" | ||
| fi | ||
| done | ||
| done | ||
|
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||
| # Exit with an error if any pod contains an error condition | ||
| if [ $error_flag -eq 1 ]; then | ||
| exit 1 | ||
| fi | ||
|
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||
| # Exit successfully | ||
| exit 0 | ||
| #!/bin/bash | ||
|
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| namespace="kubeflow" | ||
| error_flag=0 | ||
|
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||
| # Function to check if 'id' command is available in a container | ||
| has_id_command() { | ||
| local pod_name="$1" | ||
| local container_name="$2" | ||
|
|
||
| # Execute 'id' command and capture the output | ||
| if kubectl exec -it -n "$namespace" "$pod_name" -c "$container_name" -- id -u >/dev/null 2>&1; then | ||
| return 0 # 'id' command is available | ||
| else | ||
| return 1 # 'id' command is not available | ||
| fi | ||
| } | ||
|
|
||
| # Function to check 'securityContext' and 'runAsNonRoot' at the pod or container level | ||
| has_securityContext_and_runAsNonRoot() { | ||
| local pod_name="$1" | ||
| local container_name="$2" | ||
|
|
||
| # Use jq to check if 'securityContext' is defined at the pod level | ||
| local securityContextPod=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.securityContext') | ||
|
|
||
| if [ "$securityContextPod" = "null" ]; then | ||
| : # 'securityContext' is missing at the pod level, continue checking at the container level | ||
| else | ||
| # Check 'runAsNonRoot' at the pod level | ||
| local runAsNonRootPod=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.securityContext.runAsNonRoot // "Missing"') | ||
|
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| if [ "$runAsNonRootPod" = "Missing" ]; then | ||
| : # 'runAsNonRoot' is missing at the pod level, continue checking at the container level | ||
| else | ||
| return 0 # 'runAsNonRoot' is present at the pod level (success) | ||
| fi | ||
| fi | ||
|
|
||
| # Use jq to check 'securityContext' at the container level | ||
| local securityContextContainer=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[] | select(.name == "'"$container_name"'").securityContext') | ||
|
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||
| if [ "$securityContextContainer" = "null" ]; then | ||
| if [ "$securityContextPod" = "null" ]; then | ||
| echo "Error: 'securityContext' is missing at the pod and container level in container $container_name of pod $pod_name" | ||
| return 1 | ||
| else | ||
| echo "Error: There is no runasnonroot on pod level and 'securityContext' is missing at container level in container $container_name of pod $pod_name" | ||
| return 1 | ||
| fi | ||
| fi | ||
|
|
||
| # Check 'runAsNonRoot' at the container level | ||
| local runAsNonRootContainer=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[] | select(.name == "'"$container_name"'").securityContext.runAsNonRoot // "Missing"') | ||
|
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| if [ "$runAsNonRootContainer" = "Missing" ]; then | ||
| echo "Error: There is no runasnonroot on pod level and'runAsNonRoot' is missing in container $container_name of pod $pod_name" | ||
| return 1 # 'runAsNonRoot' is missing at the container level (fail) | ||
| fi | ||
|
|
||
| return 0 # 'securityContext' and 'runAsNonRoot' are defined at the container level | ||
| } | ||
|
|
||
| # Get a list of pod names in the specified namespace that are not in the "Completed" state | ||
| pod_names=$(kubectl get pods -n "$namespace" --field-selector=status.phase!=Succeeded,status.phase!=Failed -o json | jq -r '.items[].metadata.name') | ||
|
|
||
| # Loop through the pod names and execute checks | ||
| for pod_name in $pod_names; do | ||
| echo "Entering pod $pod_name in namespace $namespace..." | ||
|
|
||
| container_names=$(kubectl get pod -n "$namespace" "$pod_name" -o json | jq -r '.spec.containers[].name') | ||
|
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| for container_name in $container_names; do | ||
| if has_securityContext_and_runAsNonRoot "$pod_name" "$container_name"; then | ||
| error_flag=1 | ||
| fi | ||
|
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| if has_id_command "$pod_name" "$container_name"; then | ||
| user_id=$(kubectl exec -it -n "$namespace" "$pod_name" -c "$container_name" -- id -u) | ||
|
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| # Clean up whitespace in the user_id using tr | ||
| user_id_cleaned=$(echo -n "$user_id" | tr -d '[:space:]') | ||
|
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| if [ "$user_id_cleaned" = "0" ]; then | ||
| echo "Error: Pod $pod_name contains user ID 0 in container $container_name" | ||
| error_flag=1 | ||
| else | ||
| echo "Container: $container_name - User ID: $user_id_cleaned" | ||
| fi | ||
| else | ||
| echo "Warning: 'id' command not available in container $container_name" | ||
| fi | ||
| done | ||
| done | ||
|
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| # Exit with an error if any pod contains an error condition | ||
| if [ $error_flag -eq 1 ]; then | ||
| exit 1 | ||
| fi | ||
|
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||
| # Exit successfully | ||
| exit 0 |