1172 lines
35 KiB
Plaintext
1172 lines
35 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "100c8a75",
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"metadata": {},
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"source": [
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"# Khéops 101"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "98d4907b",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"/home/jez/volumes/data/prj/bell/training/tiger-ansible/ext/kheops\n"
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]
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}
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],
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"source": [
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"cd /home/jez/volumes/data/prj/bell/training/tiger-ansible/ext/kheops\n",
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"echo $PWD\n",
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"export KHEOPS_NAMESPACE=ex1_enc \n",
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"export KHEOPS_CONFIG=examples/kheops.yml\n",
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"rm -rf \"examples/$KHEOPS_NAMESPACE\""
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]
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},
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{
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"cell_type": "markdown",
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"id": "cd52a40b",
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"metadata": {},
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"source": [
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"## Command line"
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]
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},
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{
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"cell_type": "markdown",
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"id": "28501b9d",
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"metadata": {},
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"source": [
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"Let's check first that kheops works correclty, and start to read the manual."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"id": "6ede46a3",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"usage: kheops [-h] [-v] [-c CONFIG]\n",
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" {schema,gen_doc,lookup,demo,subcommand2} ...\n",
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"\n",
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"Kheops, hierarchical data lookup tool\n",
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"\n",
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"options:\n",
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" -h, --help show this help message and exit\n",
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" -v, --verbose Increase verbosity (KHEOPS_VERBOSE) (default: 0)\n",
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" -c CONFIG, --config CONFIG\n",
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" Kheops configuration file (KHEOPS_CONFIG) (default:\n",
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" examples/kheops.yml)\n",
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"\n",
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"subcommands:\n",
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" valid subcommands\n",
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"\n",
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" {schema,gen_doc,lookup,demo,subcommand2}\n"
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]
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}
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],
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"source": [
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"kheops --help"
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]
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},
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{
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"cell_type": "markdown",
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"id": "1d08340e",
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"metadata": {},
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"source": [
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"So we have a working `kheops` command, and we will focus on the `lookup` command. On it's simplest form, a lookup consists in querying a `key` for a given `scope`. The output of the `key` will change depending the `scope` value. A `key` is in simple word."
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]
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},
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{
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"cell_type": "markdown",
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"id": "99969862",
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"metadata": {},
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"source": [
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"## Defining a hierarchy"
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]
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},
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{
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"cell_type": "markdown",
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"id": "8192f49a",
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"metadata": {},
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"source": [
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"To illustrate how Khéops works, let's start with a simple example, we will try to lookup the `profile` key of the following two (fictive) servers:\n",
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"\n",
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"* web.domain.org: which act as a webserver role\n",
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"* mysql.domain.org: which act as mysql role\n",
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"\n",
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"But first we need to create our hierarchy. It's as simple as creating directories and put some json or yaml data into different files. Let's create our hierarchy. We will first create the default profile:\n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "63e43682",
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"metadata": {},
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"source": [
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"From our use case, we will build a lookup tree. We want to be able to organise data depending the 3 criterias:\n",
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"\n",
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"* node: name of the node\n",
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"* role: assigned role to the node\n",
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"* environment: it can either be dev or prod\n",
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"\n",
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"Let's create our lookup hierarchy:"
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]
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},
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{
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"cell_type": "markdown",
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"id": "efb14a8c",
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"metadata": {},
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"source": [
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"default:\n",
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" lookups:\n",
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" - path: default # Simplest form, just a path\n",
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" - path: \"roles/{role}\" # If list, it's auto expanded like in bash\n",
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" - path: \"env_{env}\" # If list, it's auto expanded like in bash\n",
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" - path: \"nodes/{node}\"\n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "8dd4ed81",
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"metadata": {},
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"source": [
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"So for a given key, Khéops will iterate all over those paths to find the requested `key` , and then it will merge all results. Some paths are variabilized, and those variable comes from the scope. The scope come along the `key`, it's can be any metadata. For complex metadata you may want to store those in a file and load your scope with the `-f <yaml_scope_file>` option:\n",
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"\n",
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"```\n",
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"kheops lookup -e <var1=val1> -e <var2=val2> <key>\n",
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"```\n",
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"\n",
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"A scope is completely optional while keys are required."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "b4887796",
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"metadata": {},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"id": "9dfe25dc",
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"metadata": {},
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"source": [
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"## Basic hierarchy"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"id": "d3bb7b3f",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"\u001b[01;34mexamples/ex1_enc\u001b[00m\n",
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"└── default.yml\n",
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"\n",
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"0 directories, 1 file\n",
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"---\n",
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"profile:\n",
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" env: \"NO_ENV\"\n",
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" product: \"NO_PRODUCT\"\n",
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" \n"
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]
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}
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],
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"source": [
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"# We create a fresh hierachy\n",
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"mkdir -p examples/$KHEOPS_NAMESPACE\n",
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"\n",
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"# We create a profile key, which is a dict\n",
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"cat > examples/$KHEOPS_NAMESPACE/default.yml <<EOF\n",
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"---\n",
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"profile:\n",
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" env: \"NO_ENV\"\n",
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" product: \"NO_PRODUCT\"\n",
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" \n",
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"EOF\n",
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"\n",
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"# Let's inspect our hierarchy\n",
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"tree examples/$KHEOPS_NAMESPACE\n",
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"cat examples/$KHEOPS_NAMESPACE/default.yml"
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]
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},
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{
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"cell_type": "markdown",
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"id": "496622d4",
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"metadata": {},
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"source": [
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"From this point, we defined our profile with two attribute, `team` and `product`. As it's the default case, we set them both unconfigured. \n",
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"\n",
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"You are now already able to query your hierarchy:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"id": "0b8e3fad",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"env: NO_ENV\n",
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"product: NO_PRODUCT\n",
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"\n"
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]
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}
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],
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"source": [
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"kheops lookup profile"
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]
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},
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{
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"cell_type": "markdown",
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"id": "1748420e",
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"metadata": {},
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"source": [
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"Good, no surprise. But, we mentionned we wanted to get the profile of two instances, this how would do that:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"id": "0577f67e",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"env: NO_ENV\n",
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"product: NO_PRODUCT\n",
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"\n"
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]
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}
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],
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"source": [
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"kheops lookup -e node=web.infra.net profile"
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]
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},
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{
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"cell_type": "markdown",
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"id": "5caeec13",
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"metadata": {},
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"source": [
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"## Roles"
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]
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},
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{
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"cell_type": "markdown",
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"id": "c09ca73c",
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"metadata": {},
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"source": [
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"However, same result as before, which is expected as we did not finished to configure our hierarchy. Among our instances, we identified 2 roles: web and mysql. Let's create those two roles:"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"id": "099846c3",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"\u001b[01;34mexamples/ex1_enc\u001b[00m\n",
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"├── default.yml\n",
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"└── \u001b[01;34mroles\u001b[00m\n",
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" ├── mysql.yml\n",
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" └── web.yml\n",
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"\n",
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"1 directory, 3 files\n"
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]
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}
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],
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"source": [
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"mkdir -p examples/$KHEOPS_NAMESPACE/roles\n",
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"\n",
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"# We create a new web role\n",
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"cat > examples/$KHEOPS_NAMESPACE/roles/web.yml <<EOF\n",
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"---\n",
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"profile:\n",
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" product: \"httpd_server\"\n",
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"\n",
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" web_top_domain: \"\"\n",
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" web_app: \"NO_APP\"\n",
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" web_port: 80\n",
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" web_user_list:\n",
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" - sysadmins\n",
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" \n",
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"EOF\n",
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"\n",
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"# We create a new mysql role\n",
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"cat > examples/$KHEOPS_NAMESPACE/roles/mysql.yml <<EOF\n",
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"---\n",
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"profile:\n",
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" product: \"mysql_server\"\n",
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"\n",
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" mysql_database: \"NO_DATABASE\"\n",
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" mysql_users:\n",
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" - \"sysadmin@10.0.42%\"\n",
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" mysql_port: 3306\n",
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" mysql_cluster: False\n",
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" \n",
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"EOF\n",
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"\n",
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"# Let's inspect our hierarchy\n",
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"tree examples/$KHEOPS_NAMESPACE"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"id": "0193f48a",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"==> examples/ex1_enc/default.yml <==\n",
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"---\n",
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"profile:\n",
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" env: \"NO_ENV\"\n",
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" product: \"NO_PRODUCT\"\n",
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" \n",
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"\n",
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"==> examples/ex1_enc/roles/mysql.yml <==\n",
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"---\n",
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"profile:\n",
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" product: \"mysql_server\"\n",
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"\n",
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" mysql_database: \"NO_DATABASE\"\n",
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" mysql_users:\n",
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" - \"sysadmin@10.0.42%\"\n",
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" mysql_port: 3306\n",
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" mysql_cluster: False\n",
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" \n",
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"\n",
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"==> examples/ex1_enc/roles/web.yml <==\n",
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"---\n",
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"profile:\n",
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" product: \"httpd_server\"\n",
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"\n",
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" web_top_domain: \"\"\n",
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" web_app: \"NO_APP\"\n",
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" web_port: 80\n",
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" web_user_list:\n",
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" - sysadmins\n",
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" \n"
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]
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}
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],
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"source": [
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"tail -n 999 examples/$KHEOPS_NAMESPACE/{*.yml,*/*.yml}"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"id": "f0835aa6",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"env: NO_ENV\n",
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"product: httpd_server\n",
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"web_top_domain: ''\n",
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"web_app: NO_APP\n",
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"web_port: 80\n",
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"web_user_list:\n",
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"- sysadmins\n",
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"\n",
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"env: NO_ENV\n",
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"product: mysql_server\n",
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"mysql_database: NO_DATABASE\n",
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"mysql_users:\n",
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"- sysadmin@10.0.42%\n",
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"mysql_port: 3306\n",
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"mysql_cluster: false\n",
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"\n"
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]
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}
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],
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"source": [
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"kheops lookup -e node=web.infra.net -e role=web profile\n",
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"kheops lookup -e node=mysql.infra.net -e role=mysql profile"
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]
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},
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{
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"cell_type": "markdown",
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"id": "c9c9db00",
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"metadata": {},
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"source": [
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"## Per node override"
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]
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},
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{
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"cell_type": "markdown",
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"id": "c538a811",
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|
"metadata": {},
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"source": [
|
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"It's getting better, we can see that the profile key has been merged with the key values, across the different locations. \n",
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"\n",
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"However, we will have those placeholders, and we want to have personalized value, depending if it's aweb server, it need an unique domain and some unique parameters. So let's create a `nodes` directory and place some data inside.\n",
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"\n"
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]
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},
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{
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"cell_type": "code",
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|
"execution_count": 9,
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|
"id": "e79adbea",
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|
"metadata": {},
|
|
"outputs": [
|
|
{
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|
"name": "stdout",
|
|
"output_type": "stream",
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|
"text": [
|
|
"\u001b[01;34mexamples/ex1_enc\u001b[00m\n",
|
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"├── default.yml\n",
|
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"├── \u001b[01;34mnodes\u001b[00m\n",
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"│ ├── mysql.infra.net.yml\n",
|
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"│ └── web.infra.net.yml\n",
|
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"└── \u001b[01;34mroles\u001b[00m\n",
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" ├── mysql.yml\n",
|
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" └── web.yml\n",
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"\n",
|
|
"2 directories, 5 files\n"
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|
]
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|
}
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|
],
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"source": [
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"mkdir -p examples/$KHEOPS_NAMESPACE/nodes\n",
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"\n",
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"# We create a new web role\n",
|
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"cat > examples/$KHEOPS_NAMESPACE/nodes/web.infra.net.yml <<EOF\n",
|
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"---\n",
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"profile:\n",
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" web_app: 'myapp'\n",
|
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" web_user_list:\n",
|
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" - domain_org\n",
|
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" - domain_org_external\n",
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" \n",
|
|
"EOF\n",
|
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"\n",
|
|
"# We create a new mysql role\n",
|
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"cat > examples/$KHEOPS_NAMESPACE/nodes/mysql.infra.net.yml <<EOF\n",
|
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"---\n",
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"profile: \n",
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" mysql_database: \"app_domain_org\"\n",
|
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" mysql_users:\n",
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" - \"app_domain_org@10.0.51%\"\n",
|
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" \n",
|
|
"EOF\n",
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"\n",
|
|
"# Let's inspect our hierarchy\n",
|
|
"tree examples/$KHEOPS_NAMESPACE"
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]
|
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},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "40f67399",
|
|
"metadata": {},
|
|
"source": [
|
|
"And we try again:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 10,
|
|
"id": "1f43fa99",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"env: NO_ENV\n",
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"product: httpd_server\n",
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"web_top_domain: ''\n",
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"web_app: myapp\n",
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"web_port: 80\n",
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"web_user_list:\n",
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"- sysadmins\n",
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"- domain_org\n",
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"- domain_org_external\n",
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"\n",
|
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"env: NO_ENV\n",
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"product: mysql_server\n",
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"mysql_database: app_domain_org\n",
|
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"mysql_users:\n",
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"- sysadmin@10.0.42%\n",
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"- app_domain_org@10.0.51%\n",
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"mysql_port: 3306\n",
|
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"mysql_cluster: false\n",
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"\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"kheops lookup -e node=web.infra.net -e role=web profile\n",
|
|
"kheops lookup -e node=mysql.infra.net -e role=mysql profile"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "c2852b7e",
|
|
"metadata": {},
|
|
"source": [
|
|
"## Environment override"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "1d69ad4c",
|
|
"metadata": {},
|
|
"source": [
|
|
"Let's say you want to support environment, it's the same:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 11,
|
|
"id": "095ff532",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"\u001b[01;34mexamples/ex1_enc\u001b[00m\n",
|
|
"├── default.yml\n",
|
|
"├── env_dev.yml\n",
|
|
"├── env_prod.yml\n",
|
|
"├── \u001b[01;34mnodes\u001b[00m\n",
|
|
"│ ├── mysql.infra.net.yml\n",
|
|
"│ └── web.infra.net.yml\n",
|
|
"└── \u001b[01;34mroles\u001b[00m\n",
|
|
" ├── mysql.yml\n",
|
|
" └── web.yml\n",
|
|
"\n",
|
|
"2 directories, 7 files\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"\n",
|
|
"# We create a new dev environment\n",
|
|
"cat > examples/$KHEOPS_NAMESPACE/env_dev.yml <<EOF\n",
|
|
"---\n",
|
|
"profile:\n",
|
|
" env: dev\n",
|
|
" \n",
|
|
" # We change the top domain for dev environment, and reduce the cache\n",
|
|
" web_top_domain: dev.infra.net\n",
|
|
" web_cache: 1m\n",
|
|
" \n",
|
|
" # We want a debug users\n",
|
|
" web_user_list:\n",
|
|
" - debug_user\n",
|
|
" mysql_users:\n",
|
|
" - debug@10.0.%\n",
|
|
"\n",
|
|
" debug: true\n",
|
|
"\n",
|
|
"EOF\n",
|
|
"\n",
|
|
"# We create a new mysql role\n",
|
|
"cat > examples/$KHEOPS_NAMESPACE/env_prod.yml <<EOF\n",
|
|
"---\n",
|
|
"profile:\n",
|
|
" env: prod\n",
|
|
" \n",
|
|
" # On production environment, we always want to use public faced domain and 12 hour cache.\n",
|
|
" web_top_domain: infra.com\n",
|
|
" web_cache: 12h\n",
|
|
" \n",
|
|
"EOF\n",
|
|
"\n",
|
|
"# Let's inspect our hierarchy\n",
|
|
"tree examples/$KHEOPS_NAMESPACE"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "89a96fa9",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"So it's become quite easy to compare the difference between environment, with a simple variable switch:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 13,
|
|
"id": "30481963",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"env: prod\n",
|
|
"product: httpd_server\n",
|
|
"web_top_domain: infra.com\n",
|
|
"web_app: myapp\n",
|
|
"web_port: 80\n",
|
|
"web_user_list:\n",
|
|
"- sysadmins\n",
|
|
"- domain_org\n",
|
|
"- domain_org_external\n",
|
|
"web_cache: 12h\n",
|
|
"\n",
|
|
"env: dev\n",
|
|
"product: httpd_server\n",
|
|
"web_top_domain: dev.infra.net\n",
|
|
"web_app: myapp\n",
|
|
"web_port: 80\n",
|
|
"web_user_list:\n",
|
|
"- sysadmins\n",
|
|
"- debug_user\n",
|
|
"- domain_org\n",
|
|
"- domain_org_external\n",
|
|
"web_cache: 1m\n",
|
|
"mysql_users:\n",
|
|
"- debug@10.0.%\n",
|
|
"debug: true\n",
|
|
"\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"kheops lookup -e node=web.infra.net -e role=web -e env=prod profile\n",
|
|
"kheops lookup -e node=web.infra.net -e role=web -e env=dev profile"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "7b42bd59",
|
|
"metadata": {},
|
|
"source": [
|
|
"Same for mysql:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 14,
|
|
"id": "b649fc16",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"env: prod\n",
|
|
"product: mysql_server\n",
|
|
"mysql_database: app_domain_org\n",
|
|
"mysql_users:\n",
|
|
"- sysadmin@10.0.42%\n",
|
|
"- app_domain_org@10.0.51%\n",
|
|
"mysql_port: 3306\n",
|
|
"mysql_cluster: false\n",
|
|
"web_top_domain: infra.com\n",
|
|
"web_cache: 12h\n",
|
|
"\n",
|
|
"env: dev\n",
|
|
"product: mysql_server\n",
|
|
"mysql_database: app_domain_org\n",
|
|
"mysql_users:\n",
|
|
"- sysadmin@10.0.42%\n",
|
|
"- debug@10.0.%\n",
|
|
"- app_domain_org@10.0.51%\n",
|
|
"mysql_port: 3306\n",
|
|
"mysql_cluster: false\n",
|
|
"web_top_domain: dev.infra.net\n",
|
|
"web_cache: 1m\n",
|
|
"web_user_list:\n",
|
|
"- debug_user\n",
|
|
"debug: true\n",
|
|
"\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"kheops lookup -e node=mysql.infra.net -e role=mysql -e env=prod profile\n",
|
|
"kheops lookup -e node=mysql.infra.net -e role=mysql -e env=dev profile"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "9eddd40c",
|
|
"metadata": {},
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "1a4ed96d",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"\n"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "943bcf8f",
|
|
"metadata": {},
|
|
"source": [
|
|
"You have to keep in mind you can query the key with a different scope, and get different views:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 15,
|
|
"id": "a7331c21",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"env: NO_ENV\n",
|
|
"product: NO_PRODUCT\n",
|
|
"\n",
|
|
"==> Per environment view\n",
|
|
"env: prod\n",
|
|
"product: NO_PRODUCT\n",
|
|
"web_top_domain: infra.com\n",
|
|
"web_cache: 12h\n",
|
|
"\n",
|
|
"env: dev\n",
|
|
"product: NO_PRODUCT\n",
|
|
"web_top_domain: dev.infra.net\n",
|
|
"web_cache: 1m\n",
|
|
"web_user_list:\n",
|
|
"- debug_user\n",
|
|
"mysql_users:\n",
|
|
"- debug@10.0.%\n",
|
|
"debug: true\n",
|
|
"\n",
|
|
"==> Per role and environment view\n",
|
|
"env: prod\n",
|
|
"product: mysql_server\n",
|
|
"mysql_database: NO_DATABASE\n",
|
|
"mysql_users:\n",
|
|
"- sysadmin@10.0.42%\n",
|
|
"mysql_port: 3306\n",
|
|
"mysql_cluster: false\n",
|
|
"web_top_domain: infra.com\n",
|
|
"web_cache: 12h\n",
|
|
"\n",
|
|
"env: prod\n",
|
|
"product: httpd_server\n",
|
|
"web_top_domain: infra.com\n",
|
|
"web_app: NO_APP\n",
|
|
"web_port: 80\n",
|
|
"web_user_list:\n",
|
|
"- sysadmins\n",
|
|
"web_cache: 12h\n",
|
|
"\n",
|
|
"==> Per node view\n",
|
|
"env: dev\n",
|
|
"product: httpd_server\n",
|
|
"web_top_domain: dev.infra.net\n",
|
|
"web_app: myapp\n",
|
|
"web_port: 80\n",
|
|
"web_user_list:\n",
|
|
"- sysadmins\n",
|
|
"- debug_user\n",
|
|
"- domain_org\n",
|
|
"- domain_org_external\n",
|
|
"web_cache: 1m\n",
|
|
"mysql_users:\n",
|
|
"- debug@10.0.%\n",
|
|
"debug: true\n",
|
|
"\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"kheops lookup profile\n",
|
|
"\n",
|
|
"echo \"==> Per environment view\"\n",
|
|
"kheops lookup -e env=prod profile\n",
|
|
"kheops lookup -e env=dev profile\n",
|
|
"\n",
|
|
"echo \"==> Per role and environment view\"\n",
|
|
"kheops lookup -e role=mysql -e env=prod profile\n",
|
|
"kheops lookup -e role=web -e env=prod profile\n",
|
|
"\n",
|
|
"echo \"==> Per node view\"\n",
|
|
"kheops lookup -e node=web.infra.net -e role=web -e env=dev profile"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "bd04d751",
|
|
"metadata": {},
|
|
"source": [
|
|
"Even if somwaht clunky, this method can help to troubleshoot wrong data by dichotomy."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "d591f865",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "f0b3c9a4",
|
|
"metadata": {},
|
|
"source": [
|
|
"## Tooling and applications"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "974608dd",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "18f40e34",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "f6cd8acd",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "365517a7",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "37c30f37",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "8bd79659",
|
|
"metadata": {},
|
|
"source": [
|
|
"## Troubleshooting"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "95f04208",
|
|
"metadata": {},
|
|
"source": [
|
|
"Sometimes, it can may be hard to navigate across file and hierachy, but GNU Utils are here to help. There is a selection of small tips:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 16,
|
|
"id": "b779c74a",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"+ : Find where a key has been defined\n",
|
|
"+ grep --colour=auto -r '^profile:' examples/ex1_enc\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K \n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/default.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"+ : Find where a key has been defined and 5 first lines\n",
|
|
"+ grep --colour=auto -r -A 5 '^profile:' examples/ex1_enc\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K env: prod\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K # On production environment, we always want to use public faced domain and 12 hour cache.\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_top_domain: infra.com\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_prod.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_cache: 12h\n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K product: \"mysql_server\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_database: \"NO_DATABASE\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_users:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - \"sysadmin@10.0.42%\"\n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K product: \"httpd_server\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_top_domain: \"\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_app: \"NO_APP\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/web.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_port: 80\n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K \n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_database: \"app_domain_org\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_users:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - \"app_domain_org@10.0.51%\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_app: 'myapp'\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_user_list:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - domain_org\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - domain_org_external\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/web.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/default.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/default.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K env: \"NO_ENV\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/default.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K product: \"NO_PRODUCT\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/default.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K\u001b[01;31m\u001b[Kprofile:\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K env: dev\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K # We change the top domain for dev environment, and reduce the cache\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_top_domain: dev.infra.net\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/env_dev.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K web_cache: 1m\n",
|
|
"+ : Search from anything related to database\n",
|
|
"+ grep --colour=auto -R -C 3 database examples/ex1_enc\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[Kprofile:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K product: \"mysql_server\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K mysql_\u001b[01;31m\u001b[Kdatabase\u001b[m\u001b[K: \"NO_DATABASE\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_users:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - \"sysadmin@10.0.42%\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/roles/mysql.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_port: 3306\n",
|
|
"\u001b[36m\u001b[K--\u001b[m\u001b[K\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K---\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[Kprofile: \n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K:\u001b[m\u001b[K mysql_\u001b[01;31m\u001b[Kdatabase\u001b[m\u001b[K: \"app_domain_org\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K mysql_users:\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K - \"app_domain_org@10.0.51%\"\n",
|
|
"\u001b[35m\u001b[Kexamples/ex1_enc/nodes/mysql.infra.net.yml\u001b[m\u001b[K\u001b[36m\u001b[K-\u001b[m\u001b[K \n",
|
|
"+ set +x\n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"set -x\n",
|
|
"\n",
|
|
": Find where a key has been defined\n",
|
|
"grep -r '^profile:' examples/$KHEOPS_NAMESPACE\n",
|
|
"\n",
|
|
": Find where a key has been defined and 5 first lines\n",
|
|
"grep -r -A 5 '^profile:' examples/$KHEOPS_NAMESPACE\n",
|
|
"\n",
|
|
": Search from anything related to database\n",
|
|
"grep -R -C 3 'database' examples/$KHEOPS_NAMESPACE\n",
|
|
"\n",
|
|
"set +x"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "b82b27d5",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "55c95dee",
|
|
"metadata": {},
|
|
"source": [
|
|
"The tail/head command is quite usefull to look at multiple files at the same time, it add a nice header for each file:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 18,
|
|
"id": "6f451038",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"==> examples/ex1_enc/roles/mysql.yml <==\n",
|
|
"---\n",
|
|
"profile:\n",
|
|
" product: \"mysql_server\"\n",
|
|
"\n",
|
|
" mysql_database: \"NO_DATABASE\"\n",
|
|
" mysql_users:\n",
|
|
" - \"sysadmin@10.0.42%\"\n",
|
|
" mysql_port: 3306\n",
|
|
" mysql_cluster: False\n",
|
|
" \n",
|
|
"\n",
|
|
"==> examples/ex1_enc/roles/web.yml <==\n",
|
|
"---\n",
|
|
"profile:\n",
|
|
" product: \"httpd_server\"\n",
|
|
"\n",
|
|
" web_top_domain: \"\"\n",
|
|
" web_app: \"NO_APP\"\n",
|
|
" web_port: 80\n",
|
|
" web_user_list:\n",
|
|
" - sysadmins\n",
|
|
" \n"
|
|
]
|
|
}
|
|
],
|
|
"source": [
|
|
"head -n 999 examples/ex1_enc/roles/*"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "f7a34dfe",
|
|
"metadata": {},
|
|
"source": [
|
|
"You can also have a view of all files with this command:\n",
|
|
"```\n",
|
|
"find . -type f| xargs head -n 999 | less\n",
|
|
"```\n",
|
|
"\n",
|
|
"From there, you will be able to have a nice overview of your data."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "5c5bcb81",
|
|
"metadata": {},
|
|
"source": [
|
|
"You can even diff your change with this command. There is this simple trick to compare the data difference between 2 lookups:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 17,
|
|
"id": "ac14e38f",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"--- /dev/fd/63\t2022-02-01 20:10:53.094525316 -0500\n",
|
|
"+++ /dev/fd/62\t2022-02-01 20:10:53.094525316 -0500\n",
|
|
"@@ -1,11 +1,15 @@\n",
|
|
"-env: prod\n",
|
|
"+env: dev\n",
|
|
" product: httpd_server\n",
|
|
"-web_top_domain: infra.com\n",
|
|
"+web_top_domain: dev.infra.net\n",
|
|
" web_app: myapp\n",
|
|
" web_port: 80\n",
|
|
" web_user_list:\n",
|
|
" - sysadmins\n",
|
|
"+- debug_user\n",
|
|
" - domain_org\n",
|
|
" - domain_org_external\n",
|
|
"-web_cache: 12h\n",
|
|
"+web_cache: 1m\n",
|
|
"+mysql_users:\n",
|
|
"+- debug@10.0.%\n",
|
|
"+debug: true\n",
|
|
" \n"
|
|
]
|
|
},
|
|
{
|
|
"ename": "",
|
|
"evalue": "1",
|
|
"output_type": "error",
|
|
"traceback": []
|
|
}
|
|
],
|
|
"source": [
|
|
"diff -u \\\n",
|
|
"<(kheops lookup -e node=web.infra.net -e role=web -e env=prod profile) \\\n",
|
|
"<(kheops lookup -e node=web.infra.net -e role=web -e env=dev profile)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "348e5545",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "12b1730b",
|
|
"metadata": {},
|
|
"source": [
|
|
"You can also ask Kheops to explain you how he built the result, you can use the `-x` flag:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "3ac0cc53",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"kheops lookup -e node_role=web profile -x"
|
|
]
|
|
}
|
|
],
|
|
"metadata": {
|
|
"kernelspec": {
|
|
"display_name": "Bash",
|
|
"language": "bash",
|
|
"name": "bash"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": "shell",
|
|
"file_extension": ".sh",
|
|
"mimetype": "text/x-sh",
|
|
"name": "bash"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 5
|
|
}
|