#new-plugin add a new plugin "vault-switch"

plugins/vault-switch/README.md

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+# Vault-switch plugin
+
+## Description
+
+This plugin can switch among nodes of Vault - HashiCorp  
+
+## Configuration
+
+For using a plugin you should add VAULT_NODES to **~/.zshrc**
+Variable **VAULT_NODES** must look as  
+
+```bash
+VAULT_NODES="node1,https://vault1.example.com,secret_token1;node2,https://vault2.example.com,secret_token2"
+```
+
+If you want to skip verify checking of ssl then add true to end of the string.
+
+```bash
+VAULT_NODES="node1,https://vault1.example.com,secret_token1,true;node2,https://vault2.example.com,secret_token2"
+```
+
+Name of a node, address, token  are separating comma. Other nodes separate semicolon.  
+After need to add the name of the plugin to **~/.zshrc** to variable **plugins=(vault-switch)**
+
+**Example usage:**
+
+![vault-switch](example.png)
+
+State of restoring stored in **~/.vault-switch/credentials**  

plugins/vault-switch/vault-switch.plugin.zsh

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+autoload -U add-zsh-hook
+add-zsh-hook precmd _restore_cache
+
+FILE_CREDENTIALS="${HOME}/.vault-switch/credentials"
+
+function _restore_cache(){
+    [ ! -d ${HOME}/.vault-switch ] && mkdir -p ${HOME}/.vault-switch
+    [ ! -f $FILE_CREDENTIALS ] && touch ${FILE_CREDENTIALS}
+    source ${FILE_CREDENTIALS}
+}
+
+function _get-nodes(){
+    IFS=";" read -A NODES <<< ${VAULT_NODES}
+}
+
+function _set-color(){
+    echo "\e[1;32m$1\e[0m"
+}
+
+function _list-nodes(){
+    INDEX=1
+    for i in  ${NODES[@]}
+    do
+        NODE=$(echo $i | cut -d "," -f 1)
+        [[ "${NODE}" == "${VAULT_SELECT_NODE}" ]] && ASTERISK="*"
+        echo "${INDEX}) ${NODE} $(_set-color ${ASTERISK})"
+        INDEX=$[$INDEX+1]
+        unset ASTERISK
+    done
+}
+
+function _set-work-node(){
+    if  [ $1 -gt ${#NODES[@]} ]
+    then
+        echo "Number of node not found"
+    else
+        VAULT_SELECT_NODE=$(echo ${NODES[$1]} | cut -d "," -f 1)
+        VAULT_ADDR=$(echo ${NODES[$1]} | cut -d "," -f 2)
+        VAULT_TOKEN=$(echo ${NODES[$1]} | cut -d "," -f 3)
+        VAULT_SKIP_VERIFY=$(echo ${NODES[$1]} | cut -d "," -f 4)
+
+        echo > ${FILE_CREDENTIALS}
+        echo "export VAULT_SELECT_NODE=${VAULT_SELECT_NODE}" >> ${FILE_CREDENTIALS}
+        echo "export VAULT_ADDR=${VAULT_ADDR}" >> ${FILE_CREDENTIALS}
+        echo "export VAULT_TOKEN=${VAULT_TOKEN}" >> ${FILE_CREDENTIALS}
+        [[ $VAULT_SKIP_VERIFY ]] && echo "export VAULT_SKIP_VERIFY=true" >> ${FILE_CREDENTIALS}
+
+        _list-nodes
+    fi
+
+}
+
+function vault-switch() {
+    _get-nodes
+    [ ! $1 ] && _list-nodes
+    [ $1 ] && _set-work-node $1
+}