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Adding environment checks to pawsey lua for handling errors #220

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Adding environment checks to pawsey lua for handling errors #220

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24 changes: 24 additions & 0 deletions scripts/templates/pawseyenv.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,30 @@

]]--

--[[
-- There has been issues where the module just fails on first assert and it is unclear
-- from the error message what that issue is. Thus the module also checks for the
-- definition of HOME, USER, PAWSEY_PROJECT etc.
--]]

local function check_envs()
local envvars = {"HOME", "USER", "PAWSEY_PROJECT"}
for ind,var in ipairs(envvars) do
local env = os.getenv(var)
if env == nil or env == "" then
nid = os.getenv("HOSTNAME")
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what happens if HOSTNAME itself is not set? -- as unlikely as HOME/USER I reckon.

maybe you could substitute with a Lua command that executes the hostname command

io.stderr:write("Issue with environment variable used to set module paths:" .. var .. "not set.\n")
io.stderr:write("This could be a result of issues with authentication and LDAP.\n")
io.stderr:write("This occurred on " .. nid .. " node\n")
return
end
end
end


-- check that environment is okay
check_envs()

-- Service variables for this module
--
--
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