mirror of https://github.com/istio/istio.io.git
104 lines
4.6 KiB
Bash
104 lines
4.6 KiB
Bash
#!/usr/bin/env bash
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# shellcheck disable=SC2155,SC2030,SC2031
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# Copyright Istio Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# _set_kube_vars initializes the following variables based on the value of KUBECONFIG:
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#
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# KUBECONFIG_FILES: an array containing the individual files in the order specified.
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# KUBE_CONTEXTS: the names of the kube contexts, in the order of the KUBECONFIG files specified.
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function _set_kube_vars()
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{
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# Split out the kube config files and then get the current context in
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# each. We do this because the contexts are stored in a map, which
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# means that order of the context returned by
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# `kubectl config get-contexts` is not guaranteed. By pulling out
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# the context on a per-file basis, we maintain the order of the
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# files in the KUBECONFIG variable.
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KUBE_CONTEXTS=()
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IFS=':' read -r -a KUBECONFIG_FILES <<< "${KUBECONFIG}"
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for KUBECONFIG_FILE in "${KUBECONFIG_FILES[@]}"; do
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CTX="$(export KUBECONFIG=$KUBECONFIG_FILE; kubectl config current-context)"
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if [[ -z "${CTX}" ]]; then
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echo "${KUBECONFIG_FILE} contains no current context"
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exit 1
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fi
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KUBE_CONTEXTS+=("${CTX}")
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done
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export KUBECONFIG_FILES
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export KUBE_CONTEXTS
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echo "KUBECONFIG=${KUBECONFIG}"
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echo "KUBECONFIG_FILES=${KUBECONFIG_FILES[*]}"
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echo "KUBE_CONTEXTS=${KUBE_CONTEXTS[*]}"
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}
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# Set the INGRESS_HOST, INGRESS_PORT, SECURE_INGRESS_PORT, and TCP_INGRESS_PORT environment variables
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_set_ingress_environment_variables() {
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# check for external load balancer
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local extlb=$(kubectl get svc istio-ingressgateway -n istio-system)
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if [[ "$extlb" != *"<none>"* && "$extlb" != *"<pending>"* ]]; then
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# external load balancer
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export INGRESS_HOST=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
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export INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].port}')
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export SECURE_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="https")].port}')
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export TCP_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="tcp")].port}')
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else
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# node port
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export INGRESS_HOST=$(kubectl get po -l istio=ingressgateway -n istio-system -o jsonpath='{.items[0].status.hostIP}')
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export INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="http2")].nodePort}')
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export SECURE_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="https")].nodePort}')
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export TCP_INGRESS_PORT=$(kubectl -n istio-system get service istio-ingressgateway -o jsonpath='{.spec.ports[?(@.name=="tcp")].nodePort}')
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fi
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}
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# TODO: should we have functions for these?
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# kubectl wait --for=condition=available deployment --all --timeout=60s
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# kubectl wait --for=condition=Ready pod --all --timeout=60s
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# Wait for rollout of named deployment
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# usage: _wait_for_deployment <namespace> <deployment name> <optional: context>
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_wait_for_deployment() {
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local namespace="$1"
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local name="$2"
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local context="${3:-}"
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if ! kubectl --context="$context" -n "$namespace" rollout status deployment "$name" --timeout 5m; then
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echo "Failed rollout of deployment $name in namespace $namespace"
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exit 1
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fi
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}
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# Wait for Istio config to propagate
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# usage: _wait_for_istio <kind> <namespace> <name>
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_wait_for_istio() {
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# TODO: Put back when istioctl wait is functiuoning correctly
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# local kind="$1"
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# local namespace="$2"
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# local name="$3"
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local start=$(date +%s)
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# if ! istioctl experimental wait --for=distribution --timeout=10s "$kind" "$name.$namespace"; then
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# echo "Failed distribution of $kind $name in namespace $namespace"
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# istioctl ps
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# echo "TEST: wait for failed, but continuing."
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# fi
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echo "Duration: $(($(date +%s)-start)) seconds"
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}
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# Encode the string to a URL
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_urlencode() {
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python3 -c "import urllib.parse; print(urllib.parse.quote('''$1'''))"
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}
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