Setting up isanteplus wait action

Dockerfile

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+FROM alpine:latest
+
+COPY entrypoint.sh /entrypoint.sh
+
+ENTRYPOINT [ "/entrypoint.sh" ]

README.md

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+# Wait-for-isanteplus Github Action
+
+This action prints "Hello World" or "Hello" + the name of a person to greet to the log.
+
+## Inputs
+
+## `target-url`
+
+**Required** 
+
+## `interval`
+
+**Required** 
+## `timeout`
+
+**Required** 
+## Example usage
+
+uses: actions/action-wait-for-isanteplus@v1
+with:
+  target-url: http://localhost:8080/openmrs
+  timeout: 1000
+  interval: 10

action.yml

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+# action.yml
+name: 'Wait For iSantePlus'
+description: 'Wait for iSantePlus to be fully up'
+inputs:
+  target-url: 
+    description: 'Where iSantePlus is running'
+    required: true
+    default: 'http://localhost:8080/openmrs'
+  interval: 
+    description: 'How often to check status in ms'
+    required: true
+    default: '1000'
+  timeout: 
+    description: 'How long to try for in ms'
+    required: true
+    default: '1000000'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.target-url }} 
+    - ${{ inputs.interval }}
+    - ${{ inputs.timeout }}

entrypoint.sh

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+#!/bin/bash
+
+
+url=$1
+interval=$2
+timeout=$3
+
+TIMEOUT_END=$(($(date +%s) + $timeout))
+
+
+while :; do
+    echo "Waiting for $1"
+
+    response=$(curl -u admin:Admin123 -s -w "\n%{http_code}" $url/ws/fhir2/R4/metadata?_format=json)
+    response=(${response[@]}) # convert to array
+    code=${response[-1]} # get last element (last line)
+
+    echo $code
+
+    body=${response[@]::${#response[@]}-1} # get all elements except last
+
+    if [[ "${body[0]}" == *"CapabilityStatement"* ]]; then
+        echo "Got Metadata!"
+        exit 0
+    else
+        echo "Still waiting..."
+    fi
+
+    if [ $(date +%s) -ge $TIMEOUT_END ]; then
+      echo "Operation timed out!"
+      exit 1
+    fi
+
+    sleep $interval
+done