154 lines
3.0 KiB
CUE
154 lines
3.0 KiB
CUE
package http
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import (
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"encoding/json"
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"strconv"
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"alpha.dagger.io/alpine"
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"alpha.dagger.io/dagger"
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"alpha.dagger.io/dagger/op"
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"alpha.dagger.io/os"
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)
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#Get: #Do & {method: "GET"}
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#Post: #Do & {method: "POST"}
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#Put: #Do & {method: "PUT"}
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#Delete: #Do & {method: "DELETE"}
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#Do: {
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url: string
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method: "GET" | "POST" | "PUT" | "DELETE" | "PATH" | "HEAD"
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request: {
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body: string | *""
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header: [string]: string | [...string]
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token: dagger.#Secret | *null
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}
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ctr: os.#Container & {
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image: alpine.#Image & {
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package: curl: true
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package: bash: "=5.1.0-r0"
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package: jq: "~=1.6"
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}
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shell: path: "/bin/bash"
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always: true
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env: {
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METHOD: method
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HEADERS: json.Marshal(request.header)
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BODY: request.body
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URL: url
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}
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if request.token != null {
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secret: "/token": request.token
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}
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command: #"""
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curlArgs=(
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"$URL"
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-L --fail --silent --show-error
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--write-out "%{http_code}"
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-X "$METHOD"
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-o /response
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)
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[ -n "$BODY" ] && curlArgs+=("-d" "'$BODY'")
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headers="$(echo $HEADERS | jq -r 'to_entries | map(.key + ": " + (.value | tostring) + "\n") | add')"
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while read h; do
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curlArgs+=("-H" "'$h'")
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done <<< "$headers"
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if [ -e /token ]; then
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curlArgs+=("-H" "Authorization: bearer $(cat /token)")
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fi
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curl "${curlArgs[@]}" > /status
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"""#
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}
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statusCode: {
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os.#File & {
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from: ctr
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path: "/status"
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}
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}.contents @dagger(output)
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body: {
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os.#File & {
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from: ctr
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path: "/response"
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}
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}.contents @dagger(output)
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// Force os.#File exec before Atoi
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response: {
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"body": body
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"statusCode": strconv.Atoi(statusCode)
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}
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}
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// URL listener
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// Creates a dependency on URL
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#Wait: {
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// URL to listen
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url: string
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// Waiting time between checks (sec.)
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interval: int | *30
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// Max amount of retries
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retries: int | *3
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// Max initialization time (sec.)
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startPeriod: int | *0
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// Time until timeout (sec.)
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timeout: int | *30
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#up: [
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op.#Load & {
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from: alpine.#Image & {
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package: bash: "=~5.1"
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package: curl: true
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}
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},
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op.#Exec & {
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args: ["/bin/bash", "-c",
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#"""
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# (f: str -> int)
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nb_retries=$(($NB_RETRIES+0))
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starting_period=$(($START_PERIOD+0))
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status="0"
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SECONDS=0
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# START_PERIOD implementation
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while [ $SECONDS -lt $starting_period ]; do
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status="$(curl --connect-timeout 1 -s -o /dev/null -w ''%{http_code}'' $HEALTH_URL)"
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if [ "$status" == "200" ]; then
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exit 0;
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fi
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sleep 1;
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done
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# TIMEOUT, INTERVAL, INTERVAL implementation
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for ((i=0;i<NB_RETRIES;i++)); do
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status="$(curl --connect-timeout $TIMEOUT -s -o /dev/null -w ''%{http_code}'' $HEALTH_URL)"
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if [ "$status" == "200" ]; then
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exit 0;
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fi
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sleep "$INTERVAL";
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done
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exit 1;
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"""#,
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]
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always: true
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env: {
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HEALTH_URL: url
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INTERVAL: "\(interval)"
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NB_RETRIES: "\(retries)"
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START_PERIOD: "\(startPeriod)"
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TIMEOUT: "\(timeout)"
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}
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},
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]
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}
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