Vault deploy hook

Dockerfile

@@ -7,6 +7,7 @@ RUN apk update -f \
   coreutils \
   bind-tools \
   curl \
+  sed \
   socat \
   tzdata \
   oath-toolkit-oathtool \

deploy/vault.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env sh
+
+# Here is a script to deploy cert to hashicorp vault using curl
+# (https://www.vaultproject.io/)
+#
+# it requires following environment variables:
+#
+# VAULT_PREFIX - this contains the prefix path in vault
+# VAULT_ADDR - vault requires this to find your vault server
+#
+# additionally, you need to ensure that VAULT_TOKEN is avialable
+# to access the vault server
+
+#returns 0 means success, otherwise error.
+
+########  Public functions #####################
+
+#domain keyfile certfile cafile fullchain
+vault_deploy() {
+
+  _cdomain="$1"
+  _ckey="$2"
+  _ccert="$3"
+  _cca="$4"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug _ckey "$_ckey"
+  _debug _ccert "$_ccert"
+  _debug _cca "$_cca"
+  _debug _cfullchain "$_cfullchain"
+
+  # validate required env vars
+  if [ -z "$VAULT_PREFIX" ]; then
+    _err "VAULT_PREFIX needs to be defined (contains prefix path in vault)"
+    return 1
+  fi
+
+  if [ -z "$VAULT_ADDR" ]; then
+    _err "VAULT_ADDR needs to be defined (contains vault connection address)"
+    return 1
+  fi
+
+  # JSON does not allow multiline strings.
+  # So replacing new-lines with "\n" here
+  _ckey=$(sed -z 's/\n/\\n/g' <"$2")
+  _ccert=$(sed -z 's/\n/\\n/g' <"$3")
+  _cca=$(sed -z 's/\n/\\n/g' <"$4")
+  _cfullchain=$(sed -z 's/\n/\\n/g' <"$5")
+
+  URL="$VAULT_ADDR/v1/$VAULT_PREFIX/$_cdomain"
+
+  if [ -n "$FABIO" ]; then
+    curl --silent -H "X-Vault-Token: $VAULT_TOKEN" --request POST --data "{\"cert\": \"$_cfullchain\", \"key\": \"$_ckey\"}" "$URL" || return 1
+  else
+    curl --silent -H "X-Vault-Token: $VAULT_TOKEN" --request POST --data "{\"value\": \"$_ccert\"}" "$URL/cert.pem" || return 1
+    curl --silent -H "X-Vault-Token: $VAULT_TOKEN" --request POST --data "{\"value\": \"$_ckey\"}" "$URL/cert.key" || return 1
+    curl --silent -H "X-Vault-Token: $VAULT_TOKEN" --request POST --data "{\"value\": \"$_cca\"}" "$URL/chain.pem" || return 1
+    curl --silent -H "X-Vault-Token: $VAULT_TOKEN" --request POST --data "{\"value\": \"$_cfullchain\"}" "$URL/fullchain.pem" || return 1
+  fi
+
+}