Merge pull request #823 from ierenstein/master

Adding vault completion

completion/available/vault.completion.bash

@@ -0,0 +1,36 @@
+# Credit https://github.com/iljaweis/vault-bash-completion/
+
+function _vault() {
+
+  local VAULT_COMMANDS='delete path-help read renew revoke server status write audit-disable audit-enable audit-list auth auth-disable auth-enable capabilities generate-root init key-status list mount mount-tune mounts policies policy-delete policy-write rekey remount rotate seal ssh step-down token-create token-lookup token-renew token-revoke unmount unseal version'
+
+  # get root paths
+  vault mounts >/dev/null 2>&1
+  if [ $? != 0 ]; then
+    # we do not have access to list mounts
+    local VAULT_ROOTPATH="secret"
+  else
+    local VAULT_ROOTPATH=$(vault mounts | tail -n +2 | awk '{print $1}' | paste -s -d ' ' -)
+  fi
+
+  local cur=${COMP_WORDS[COMP_CWORD]}
+  local line=${COMP_LINE}
+
+  if [ "$(echo $line | wc -w)" -le 2 ]; then
+    if [[ "$line" =~ ^vault\ (read|write|delete|list)\ $ ]]; then
+      COMPREPLY=($(compgen -W "$VAULT_ROOTPATH" -- ''))
+    else
+      COMPREPLY=($(compgen -W "$VAULT_COMMANDS" -- $cur))
+    fi
+  elif [[ "$line" =~ ^vault\ (read|write|delete|list)\ (.*)$ ]]; then
+    path=${BASH_REMATCH[2]}
+    if [[ "$path" =~ ^([^ ]+)/([^ /]*)$ ]]; then
+      list=$(vault list ${BASH_REMATCH[1]} | tail -n +2)
+      COMPREPLY=($(compgen -W "$list" -P "${BASH_REMATCH[1]}/" -- ${BASH_REMATCH[2]}))
+    else
+      COMPREPLY=($(compgen -W "$VAULT_ROOTPATH" -- $path))
+    fi
+  fi
+}
+
+complete -o default -o nospace -F _vault vault