refactor: updated STLS bootstrap integration with linux CSE #4386
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| #!/bin/bash | ||
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| set -euxo pipefail | ||
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| EVENTS_LOGGING_DIR="/var/log/azure/Microsoft.Azure.Extensions.CustomScript/events" | ||
| NEXT_PROTO_VALUE="aks-tls-bootstrap" | ||
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| RETRY_PERIOD_SECONDS=180 # 3 minutes | ||
| RETRY_WAIT_SECONDS=3 | ||
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| AAD_RESOURCE="${SECURE_TLS_BOOTSTRAP_AAD_RESOURCE:-""}" | ||
| API_SERVER_NAME="${API_SERVER_NAME:-""}" | ||
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| CLIENT_BINARY_PATH="${SECURE_TLS_BOOTSTRAP_CLIENT_BINARY_PATH:-/opt/azure/tlsbootstrap/tls-bootstrap-client}" | ||
| KUBECONFIG_PATH="${SECURE_TLS_BOOTSTRAP_KUBECONFIG_PATH:-/var/lib/kubelet/kubeconfig}" | ||
| CLIENT_CERT_PATH="${SECURE_TLS_BOOTSTRAP_CLIENT_CERT_PATH:-/etc/kubernetes/certs/client.crt}" | ||
| CLIENT_KEY_PATH="${SECURE_TLS_BOOTSTRAP_CLIENT_KEY_PATH:-/etc/kubernetes/certs/client.key}" | ||
| AZURE_CONFIG_PATH="${SECURE_TLS_BOOTSTRAP_ZURE_CONFIG_PATH:-/etc/kubernetes/azure.json}" | ||
| CLUSTER_CA_FILE_PATH="${SECURE_TLS_BOOTSTRAP_CLUSTER_CA_FILE_PATH:-/etc/kubernetes/certs/ca.crt}" | ||
| LOG_FILE_PATH="${SECURE_TLS_BOOTSTRAP_LOG_FILE_PATH:-/var/log/azure/aks/secure-tls-bootstrap.log}" | ||
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| logs_to_events() { | ||
| local task=$1; shift | ||
| local eventsFileName=$(date +%s%3N) | ||
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| local startTime=$(date +"%F %T.%3N") | ||
| ${@} | ||
| ret=$? | ||
| local endTime=$(date +"%F %T.%3N") | ||
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| msg_string=$(jq -n --arg Status "Succeeded" '{Status: $Status}') | ||
| if [ "$ret" != "0" ]; then | ||
| msg_string=$(jq -n --arg Status "Failed" --arg LogTail "$(tail -n 10 $LOG_FILE_PATH)" '{Status: $Status, LogTail: $LogTail}') | ||
| fi | ||
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| json_string=$( jq -n \ | ||
| --arg Timestamp "${startTime}" \ | ||
| --arg OperationId "${endTime}" \ | ||
| --arg Version "1.23" \ | ||
| --arg TaskName "${task}" \ | ||
| --arg EventLevel "Informational" \ | ||
| --arg Message "${msg_string}" \ | ||
| --arg EventPid "0" \ | ||
| --arg EventTid "0" \ | ||
| '{Timestamp: $Timestamp, OperationId: $OperationId, Version: $Version, TaskName: $TaskName, EventLevel: $EventLevel, Message: $Message, EventPid: $EventPid, EventTid: $EventTid}' | ||
| ) | ||
| echo ${json_string} > "${EVENTS_LOGGING_DIR}/${eventsFileName}.json" | ||
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| if [ "$ret" != "0" ]; then | ||
| return $ret | ||
| fi | ||
| } | ||
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| bootstrap() { | ||
| if [ -z "$API_SERVER_NAME" ]; then | ||
| echo "ERROR: missing apiserver FQDN, cannot continue bootstrapping" | ||
| return 1 | ||
| fi | ||
| if [ ! -f "$CLIENT_BINARY_PATH" ]; then | ||
| echo "ERROR: bootstrap client binary does not exist at path $CLIENT_BINARY_PATH" | ||
| return 1 | ||
| fi | ||
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| chmod +x $CLIENT_BINARY_PATH | ||
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| deadline=$(($(date +%s) + RETRY_PERIOD_SECONDS)) | ||
| while true; do | ||
| now=$(date +%s) | ||
| if [ $((now - deadline)) -ge 0 ]; then | ||
| echo "ERROR: bootstrapping deadline exceeded" | ||
| return 1 | ||
| fi | ||
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| $CLIENT_BINARY_PATH bootstrap \ | ||
| --aad-resource="$AAD_RESOURCE" \ | ||
| --apiserver-fqdn="$API_SERVER_NAME" \ | ||
| --cluster-ca-file="$CLUSTER_CA_FILE_PATH" \ | ||
| --azure-config="$AZURE_CONFIG_PATH" \ | ||
| --cert-file="$CLIENT_CERT_PATH" \ | ||
| --key-file="$CLIENT_KEY_PATH" \ | ||
| --next-proto="$NEXT_PROTO_VALUE" \ | ||
| --kubeconfig="$KUBECONFIG_PATH" \ | ||
| --log-file="$LOG_FILE_PATH" | ||
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| [ $? -eq 0 ] && echo "secure TLS bootstrapping succeeded, generated kubeconfig is at ${KUBECONFIG_PATH}" && break | ||
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| sleep $RETRY_WAIT_SECONDS | ||
| done | ||
| } | ||
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| logs_to_events "AKS.performSecureTLSBootstrapping" bootstrap || exit $? | ||
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| #EOF |
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cse_cmd.sh var naming change, want to loop in @Bryce-Soghigian @tallaxes here for viz, however, I dont think this variable is being used yet that the renaming would break them?
still tagging them.
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thanks, keep forgetting
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Ack, and appreciated. Not used yet, so should be fine - but only as long as not setting it at all is tolerated by the rest of the logic.