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remove jq dependency #78

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merged 1 commit into from
Jan 6, 2025
Merged

remove jq dependency #78

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2 changes: 1 addition & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ LABEL org.label-schema.vcs-ref=$VCS_REF \

ENV KUBE_LATEST_VERSION="v1.25.4"

RUN apk add --update --no-cache ca-certificates=20220614-r0 curl=7.83.1-r4 jq=1.6-r1 \
RUN apk add --update --no-cache ca-certificates=20220614-r0 curl=7.83.1-r4 \
&& curl -L https://storage.googleapis.com/kubernetes-release/release/${KUBE_LATEST_VERSION}/bin/linux/$TARGETARCH/kubectl -o /usr/local/bin/kubectl \
&& chmod +x /usr/local/bin/kubectl

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13 changes: 12 additions & 1 deletion wait_for.sh
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Expand Up @@ -132,7 +132,18 @@ get_pod_state() {
# example output with 2 services each matching a single pod would be: "falsefalse"
get_service_state() {
get_service_state_name="$1"
get_service_state_selectors=$(kubectl get service "$get_service_state_name" $KUBECTL_ARGS -ojson | jq -cr 'if . | has("items") then .items[] else . end | [ .spec.selector | to_entries[] | "\(.key)=\(.value)" ] | join(",") ' 2>&1)
if [ "$get_service_state_name" != "" ] ; then
# this guarantees that kubectl will always return .items as a top key
get_service_state_name=" --field-selector metadata.name=$get_service_state_name"
fi
get_service_state_selectors=$(kubectl get service $get_service_state_name $KUBECTL_ARGS -o go-template='
{{ $first := true }}
{{- range .items -}}
{{- range $key, $value := .spec.selector -}}
{{- if not $first}},{{else}}{{$first = false}}{{end -}}
{{- printf "%s=%s" $key $value -}}
{{- end -}}
{{- end -}}' 2>&1)
if [ $? -ne 0 ]; then
echo "$get_service_state_selectors" >&2
kill -s TERM $TOP_PID
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