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update doc

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This commit is contained in:
Eugenio Marzo
2026-03-14 14:22:35 +01:00
parent 28bfb3fc57
commit c104bb4fdc
12 changed files with 292 additions and 462 deletions
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109
nginx/KubeInvaders.conf
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@@ -332,27 +332,45 @@ server {
}
location /metrics {
default_type text/html;
default_type text/plain;
content_by_lua_block {
ngx.header['Access-Control-Allow-Origin'] = '*'
ngx.header['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
ngx.header['Access-Control-Allow-Headers'] = 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range'
ngx.header['Access-Control-Expose-Headers'] = 'Content-Length,Content-Range'
local redis = require "resty.redis"
local red = redis:new()
local okredis, errredis = red:connect("unix:/tmp/redis.sock")
for i, res in ipairs(red:keys("*total*")) do
if string.find(res, "chaos_node_jobs_total_on") then
local node = string.gsub(res, "chaos_node_jobs_total_on_", "")
local metric = "chaos_jobs_node_count{node=\"".. node .."\"}"
ngx.say(metric .. " " .. red:get(res))
if not okredis then
ngx.log(ngx.ERR, "[metrics] Redis connection failed: " .. tostring(errredis))
ngx.status = 500
ngx.say("Redis connection failed")
return
end
elseif string.find(res, "deleted_pods_total_on") then
local namespace = string.gsub(res, "deleted_pods_total_on_", "")
local metric = "deleted_namespace_pods_count{namespace=\"".. namespace .."\"}"
ngx.say(metric .. " " .. red:get(res))
local total_keys = red:keys("*total*")
if total_keys and type(total_keys) == "table" then
for i, res in ipairs(total_keys) do
if string.find(res, "chaos_node_jobs_total_on") then
local node = string.gsub(res, "chaos_node_jobs_total_on_", "")
local metric = "chaos_jobs_node_count{node=\"".. node .."\"}"
ngx.say(metric .. " " .. red:get(res))
elseif string.find(res, "deleted_pods_total_on") then
local namespace = string.gsub(res, "deleted_pods_total_on_", "")
local metric = "deleted_namespace_pods_count{namespace=\"".. namespace .."\"}"
ngx.say(metric .. " " .. red:get(res))
end
end
end
for i, res in ipairs(red:keys("pods_match_regex:*")) do
ngx.say(res .. " " .. red:get(res))
local regex_keys = red:keys("pods_match_regex:*")
if regex_keys and type(regex_keys) == "table" then
for i, res in ipairs(regex_keys) do
ngx.say(res .. " " .. red:get(res))
end
end
local metrics = {
@@ -377,20 +395,39 @@ server {
end
end
for i, res in ipairs(red:keys("chaos_jobs_status*")) do
ngx.say(res .. " " .. red:get(res))
local status_keys = red:keys("chaos_jobs_status*")
if status_keys and type(status_keys) == "table" then
for i, res in ipairs(status_keys) do
ngx.say(res .. " " .. red:get(res))
end
end
}
}
location /chaos_jobs_pod_phase {
default_type text/html;
default_type text/plain;
content_by_lua_block {
ngx.header['Access-Control-Allow-Origin'] = '*'
ngx.header['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
ngx.header['Access-Control-Allow-Headers'] = 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range'
ngx.header['Access-Control-Expose-Headers'] = 'Content-Length,Content-Range'
local redis = require "resty.redis"
local red = redis:new()
local okredis, errredis = red:connect("unix:/tmp/redis.sock")
for i, res in ipairs(red:keys("chaos_jobs_pod_phase*")) do
ngx.say(res .. " " .. red:get(res))
if not okredis then
ngx.log(ngx.ERR, "[chaos_jobs_pod_phase] Redis connection failed: " .. tostring(errredis))
ngx.status = 500
ngx.say("Redis connection failed")
return
end
local phase_keys = red:keys("chaos_jobs_pod_phase*")
if phase_keys and type(phase_keys) == "table" then
for i, res in ipairs(phase_keys) do
ngx.say(res .. " " .. red:get(res))
end
end
}
}
@@ -740,10 +777,6 @@ server {
local lyaml = require "lyaml"
local json = require 'lunajson'
math.randomseed(os.clock()*100000000000)
local rand = math.random(999, 9999)
local file_name = "/tmp/chaosprogram" .. rand
ngx.header['Access-Control-Allow-Origin'] = '*'
ngx.header['Access-Control-Allow-Methods'] = 'GET, POST, OPTIONS'
@@ -751,29 +784,8 @@ server {
ngx.header['Access-Control-Expose-Headers'] = 'Content-Length,Content-Range';
ngx.req.read_body()
local data = ngx.req.get_body_data()
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] Chaos program payload sent from client: " .. data)
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] Write temp file: " .. file_name)
local yamlfile = io.open(file_name, "w")
yamlfile:write(data)
yamlfile:close()
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] Checking if " .. file_name .. " is a valid YAML file")
local handle = io.popen("python3 -c 'import yaml, sys; print(yaml.safe_load(sys.stdin))' < " .. file_name .. " ; echo $? > " .. file_name .. ".check")
local result = handle:read("*a")
handle = io.popen("cat " .. file_name .. ".check")
result = handle:read("*a")
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] Exit code for checking YAML syntax of " .. file_name .. " is " .. result)
if result == "0\n" then
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] YAML Syntax is OK")
else
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] YAML Syntax is NOT OK")
handle = io.popen("rm -f " .. file_name .. ".check")
handle:read("*a")
ngx.status = 400
ngx.say("Invalid YAML Chaos Program")
if data then
ngx.log(ngx.INFO, "[PROGRAMMING_MODE] Chaos program payload sent from client: " .. data)
end
if data == nil then
@@ -781,8 +793,12 @@ server {
ngx.status = 400
ngx.say(error)
else
local yaml_data = lyaml.load(data)
local parse_ok, yaml_data = pcall(lyaml.load, data)
if not parse_ok or type(yaml_data) ~= "table" then
ngx.status = 400
ngx.say("Invalid YAML Chaos Program")
return
end
if not key_exists(yaml_data, "k8s_jobs") then
error = "[PROGRAMMING_MODE] Chaos program does not contain 'jobs' key."
@@ -805,7 +821,6 @@ server {
ngx.say(error)
else
os.remove(file_name)
local response = json.encode(yaml_data)
ngx.log(ngx.INFO, response)
ngx.status = 200