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(define *sretrieve:current-tab-number* 0)
(define *args-hash* (make-hash-table))
(define sretrieve:help (conc "Usage: " *exe-name* " [action [params ...]]
ls : list contents of target area
get <relversion> : retrieve data for release <version>
-m \"message\" : why retrieved?
cp <relative path> : copy file to current directory
log : get listing of recent downloads
shell : start a shell-like interface
Part of the Megatest tool suite.
Learn more at http://www.kiatoa.com/fossils/megatest
Version: " megatest-fossil-hash)) ;; "
;;======================================================================
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;; (call-with-database
;; (lambda (db)
;; (set-busy-handler! db (busy-timeout 10000)) ; 10 second timeout
;; ...))
;; Create the sqlite db
(define (sretrieve:db-do configdat proc)
(let ((path (configf:lookup configdat "database" "location")))
(if (not path)
(begin
(debug:print 0 "[database]\nlocation /some/path\n\n Is missing from the config file!")
(debug:print 0 #f "[database]\nlocation /some/path\n\n Is missing from the config file!")
(exit 1)))
(if (and path
(directory? path)
(file-read-access? path))
(let* ((dbpath (conc path "/" *exe-name* ".db"))
(writeable (file-write-access? dbpath))
(dbexists (file-exists? dbpath)))
(handle-exceptions
exn
(begin
(debug:print 2 "ERROR: problem accessing db " dbpath
(debug:print 2 #f "ERROR: problem accessing db " dbpath
((condition-property-accessor 'exn 'message) exn))
(exit 1))
;;(debug:print 0 #f "calling proc " proc "db path " dbpath )
(call-with-database
dbpath
(lambda (db)
;; (debug:print 0 "calling proc " proc " on db " db)
;;(debug:print 0 #f "calling proc " proc " on db " db)
(set-busy-handler! db (busy-timeout 10000)) ;; 10 sec timeout
(if (not dbexists)(sretrieve:initialize-db db))
(proc db)))))
(debug:print 0 "ERROR: invalid path for storing database: " path))))
(debug:print 0 #f "ERROR: invalid path for storing database: " path))))
;; copy in file to dest, validation is done BEFORE calling this
;; copy in directory to dest, validation is done BEFORE calling this
;;
(define (sretrieve:get configdat retriever version comment)
(let* ((base-dir (configf:lookup configdat "settings" "base-dir"))
(datadir (conc base-dir "/" version)))
(if (or (not base-dir)
(not (file-exists? base-dir)))
(begin
(debug:print 0 "ERROR: Bad configuration! base-dir " base-dir " not found")
(debug:print 0 #f "ERROR: Bad configuration! base-dir " base-dir " not found")
(exit 1)))
(print datadir)
(if (not (file-exists? datadir))
(begin
(debug:print 0 "ERROR: Bad version (" version "), no data found at " datadir "." )
(debug:print 0 #f "ERROR: Bad version (" version "), no data found at " datadir "." )
(exit 1)))
(sretrieve:db-do
configdat
(lambda (db)
(sretrieve:register-action db "get" retriever datadir comment)))
(sretrieve:do-as-calling-user
(lambda ()
(if (directory? datadir)
(begin
(change-directory datadir)
(let ((files (filter (lambda (x)
(print "files: " files)
(process-execute "/bin/tar" (append (list "chfv" "-") files)))))))
(print "files: " files)
(process-execute "/bin/tar" (append (append (list "chfv" "-") files) (list "--ignore-failed-read")))))
(begin
(let* ((parent-dir (pathname-directory datadir) )
(filename (conc(pathname-file datadir) "." (pathname-extension datadir))))
(change-directory parent-dir)
(process-execute "/bin/tar" (list "chfv" "-" filename))
)))
))
))
;; copy in file to dest, validation is done BEFORE calling this
;;
(define (sretrieve:cp configdat retriever file comment)
(let* ((base-dir (configf:lookup configdat "settings" "base-dir"))
(allowed-sub-paths (configf:lookup configdat "settings" "allowed-sub-paths"))
(datadir (conc base-dir "/" file))
(filename (conc(pathname-file datadir) "." (pathname-extension datadir))))
(if (or (not base-dir)
(not (file-exists? base-dir)))
(begin
(debug:print 0 #f "ERROR: Bad configuration! base-dir " base-dir " not found")
(exit 1)))
(print datadir)
(if (not (file-exists? datadir))
(begin
(debug:print 0 #f "ERROR: File (" file "), not found at " base-dir "." )
(exit 1)))
(if (directory? datadir)
(begin
(debug:print 0 #f "ERROR: (" file ") is a dirctory!! cp cmd works only on files ." )
(exit 1)))
(if(not (string-match (regexp allowed-sub-paths) file))
(begin
(debug:print 0 #f "ERROR: Access denied to file (" file ")!! " )
(exit 1)))
(sretrieve:db-do
configdat
(lambda (db)
(sretrieve:register-action db "cp" retriever datadir comment)))
(sretrieve:do-as-calling-user
;; (debug:print 0 #f "ph: "(pathname-directory datadir) "!! " )
(change-directory (pathname-directory datadir))
;;(debug:print 0 #f "ph: /bin/tar" (list "chfv" "-" filename) )
(process-execute "/bin/tar" (list "chfv" "-" filename)))
))
;; ls in file to dest, validation is done BEFORE calling this
;;
(define (sretrieve:ls configdat retriever file comment)
(let* ((base-dir (configf:lookup configdat "settings" "base-dir"))
(allowed-sub-paths (configf:lookup configdat "settings" "allowed-sub-paths"))
(datadir (conc base-dir "/" file))
(filename (conc(pathname-file datadir) "." (pathname-extension datadir))))
(if (or (not base-dir)
(not (file-exists? base-dir)))
(begin
(debug:print 0 #f "ERROR: Bad configuration! base-dir " base-dir " not found")
(exit 1)))
(print datadir)
(if (not (file-exists? datadir))
(begin
(debug:print 0 #f "ERROR: File (" file "), not found at " base-dir "." )
(exit 1)))
(if(not (string-match (regexp allowed-sub-paths) file))
(begin
(debug:print 0 #f "ERROR: Access denied to file (" file ")!! " )
(exit 1)))
(sretrieve:do-as-calling-user
(lambda ()
;;(change-directory datadir)
;; (debug:print 0 #f "/usr/bin/find" (list datadir "-ls" "|" "grep" "-E" "'"allowed-file-patt"'"))
;; (status (with-input-from-pipe "find " datadir " -ls | grep -E '" allowed-file-patt "'" (lambda () (read-line))))
;; (debug:print 0 #f status)
(process-execute "/bin/ls" (list "-ls" "-lrt" datadir ))
))))
;;(filter (lambda (x)
;; (not (member x '("." ".."))))
;; (glob "*" ".*"))))))))
(define (sretrieve:validate target-dir targ-mk)
(let* ((normal-path (normalize-pathname targ-mk))
(targ-path (conc target-dir "/" normal-path)))
(if (string-contains normal-path "..")
(begin
(debug:print 0 "ERROR: Path " targ-mk " resolved outside target area " target-dir )
(debug:print 0 #f "ERROR: Path " targ-mk " resolved outside target area " target-dir )
(exit 1)))
(if (not (string-contains targ-path target-dir))
(begin
(debug:print 0 "ERROR: You cannot update data outside " target-dir ".")
(debug:print 0 #f "ERROR: You cannot update data outside " target-dir ".")
(exit 1)))
(debug:print 0 "Path " targ-mk " is valid.")
(debug:print 0 #f "Path " targ-mk " is valid.")
))
;; make directory in dest
;;
(define (sretrieve:mkdir configdat submitter target-dir targ-mk comment)
(let ((targ-path (conc target-dir "/" targ-mk)))
(if (file-exists? targ-path)
(begin
(debug:print 0 "ERROR: target Directory " targ-path " already exist!!")
(debug:print 0 #f "ERROR: target Directory " targ-path " already exist!!")
(exit 1)))
(sretrieve:db-do
configdat
(lambda (db)
(sretrieve:register-action db "mkdir" submitter targ-mk comment)))
(let* ((th1 (make-thread
(lambda ()
(create-directory targ-path #t)
(debug:print 0 " ... dir " targ-path " created"))
(debug:print 0 #f " ... dir " targ-path " created"))
"mkdir thread"))
(th2 (make-thread
(lambda ()
(let loop ()
(thread-sleep! 15)
(display ".")
(flush-output)
(loop)))
"action is happening thread")))
(thread-start! th1)
(thread-start! th2)
(thread-join! th1))
(cons #t "Successfully saved data")))
;; create a symlink in dest
;;
(define (sretrieve:ln configdat submitter target-dir targ-link link-name comment)
(let ((targ-path (conc target-dir "/" link-name)))
(if (file-exists? targ-path)
(begin
(debug:print 0 "ERROR: target file " targ-path " already exist!!")
(debug:print 0 #f "ERROR: target file " targ-path " already exist!!")
(exit 1)))
(if (not (file-exists? targ-link ))
(begin
(debug:print 0 "ERROR: target file " targ-link " does not exist!!")
(debug:print 0 #f "ERROR: target file " targ-link " does not exist!!")
(exit 1)))
(sretrieve:db-do
configdat
(lambda (db)
(sretrieve:register-action db "ln" submitter link-name comment)))
(let* ((th1 (make-thread
(lambda ()
(create-symbolic-link targ-link targ-path )
(debug:print 0 " ... link " targ-path " created"))
(debug:print 0 #f " ... link " targ-path " created"))
"symlink thread"))
(th2 (make-thread
(lambda ()
(let loop ()
(thread-sleep! 15)
(display ".")
(flush-output)
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;; remove copy of file in dest
;;
(define (sretrieve:rm configdat submitter target-dir targ-file comment)
(let ((targ-path (conc target-dir "/" targ-file)))
(if (not (file-exists? targ-path))
(begin
(debug:print 0 "ERROR: target file " targ-path " not found, nothing to remove.")
(debug:print 0 #f "ERROR: target file " targ-path " not found, nothing to remove.")
(exit 1)))
(sretrieve:db-do
configdat
(lambda (db)
(sretrieve:register-action db "rm" submitter targ-file comment)))
(let* ((th1 (make-thread
(lambda ()
(delete-file targ-path)
(debug:print 0 " ... file " targ-path " removed"))
(debug:print 0 #f " ... file " targ-path " removed"))
"rm thread"))
(th2 (make-thread
(lambda ()
(let loop ()
(thread-sleep! 15)
(display ".")
(flush-output)
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;;======================================================================
(define (sretrieve:do-as-calling-user proc)
(let ((eid (current-effective-user-id))
(cid (current-user-id)))
(if (not (eq? eid cid)) ;; running suid
(set! (current-effective-user-id) cid))
;; (debug:print 0 "running as " (current-effective-user-id))
;; (debug:print 0 #f "running as " (current-effective-user-id))
(proc)
(if (not (eq? eid cid))
(set! (current-effective-user-id) eid))))
(define (sretrieve:find name paths)
(if (null? paths)
#f
(let loop ((hed (car paths))
(tal (cdr paths)))
(if (file-exists? (conc hed "/" name))
hed
(if (null? tal)
#f
(loop (car tal)(cdr tal)))))))
(define (sretrieve:stderr-print . args)
(with-output-to-port (current-error-port)
(lambda ()
(apply print args))))
;;======================================================================
;; SHELL
;;======================================================================
(define (toplevel-command . args) #f)
(define (sretrieve:shell)
(use readline)
(let* ((path '())
(prompt "> ")
(top-areas '("mrwellan" "pjhatwal" "bjbarcla" "ritikaag" "jmoon18"))
(iport (make-readline-port prompt)))
(install-history-file) ;; [homedir] [filename] [nlines])
(with-input-from-port iport
(lambda ()
(let loop ((inl (read-line)))
(if (not (or (eof-object? inl)
(equal? inl "exit")))
(let* ((parts (string-split inl))
(cmd (if (null? parts) #f (car parts))))
(if (not cmd)
(loop (read-line))
(case (string->symbol cmd)
((cd)
(if (> (length parts) 1) ;; have a parameter
(set! path (append path (string-split (cadr parts)))) ;; not correct for relative paths
(set! path '())))
((ls)
(let* ((thepath (if (> (length parts) 1) ;; have a parameter
(cdr parts)
path))
(plen (length thepath)))
(cond
((null? thepath)
(print (string-intersperse top-areas " ")))
((and (< plen 2)
(member (car thepath) top-areas))
(system (conc "ls /p/fdk/gwa/" (car thepath))))
(else ;; have a long path
;; check for access rights here
(system (conc "ls /p/fdk/gwa/" (string-intersperse thepath "/")))))))
(else
(print "Got command: " inl))))
(loop (read-line)))))))))
;;======================================================================
;; MAIN
;;======================================================================
(define (sretrieve:load-config exe-dir exe-name)
(let* ((fname (conc exe-dir "/." exe-name ".config")))
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;; <packages-metadir>/<package-type>.config file using
;; <upstream-file> as an input
(if (file-exists? upstream-file)
(if (or (not (file-exists? package-config)) ;; if not created call the updater, otherwise call only if upstream newer
(> (file-modification-time upstream-file)(file-modification-time package-config)))
(handle-exceptions
exn
(debug:print 0 "ERROR: failed to run script " conversion-script " with params " upstream-file " " package-config)
(debug:print 0 #f "ERROR: failed to run script " conversion-script " with params " upstream-file " " package-config)
(let ((pid (process-run conversion-script (list upstream-file package-config))))
(process-wait pid)))
(debug:print 0 "Skipping update of " package-config " from " upstream-file))
(debug:print 0 "Skipping update of " package-config " as " upstream-file " not found"))
(debug:print 0 #f "Skipping update of " package-config " from " upstream-file))
(debug:print 0 #f "Skipping update of " package-config " as " upstream-file " not found"))
;; (ini:property-separator-patt " * *")
;; (ini:property-separator #\space)
(let ((res (if (file-exists? package-config)
(begin
(debug:print 0 "Reading package config " package-config)
(debug:print 0 #f "Reading package config " package-config)
(read-config package-config #f #t))
(make-hash-table))))
(pop-directory)
res)))
(define (sretrieve:process-action configdat action . args)
(let* ((base-dir (configf:lookup configdat "settings" "base-dir"))
(user (current-user-name))
(allowed-sub-paths (configf:lookup configdat "settings" "allowed-sub-paths"))
(allowed-users (string-split
(or (configf:lookup configdat "settings" "allowed-users")
"")))
(default-area (configf:lookup configdat "settings" "default-area"))) ;; otherwise known as the package
(if (not base-dir)
(begin
(debug:print 0 "[settings]\nbase-dir /some/path\n\n Is MISSING from the config file!")
(debug:print 0 #f "[settings]\nbase-dir /some/path\n\n Is MISSING from the config file!")
(exit)))
(if (null? allowed-users)
(begin
(debug:print 0 "[setings]\nallowed-users user1 user2 ...\n\n Is MISSING from the config file!")
(debug:print 0 #f "[setings]\nallowed-users user1 user2 ...\n\n Is MISSING from the config file!")
(exit)))
(if (not (member user allowed-users))
(begin
(debug:print 0 "User \"" (current-user-name) "\" does not have access. Exiting")
(debug:print 0 #f "User \"" (current-user-name) "\" does not have access. Exiting")
(exit 1)))
(case (string->symbol action)
((get)
(if (< (length args) 1)
(begin
(debug:print 0 "ERROR: Missing arguments; " (string-intersperse args ", "))
(debug:print 0 #f "ERROR: Missing arguments; " (string-intersperse args ", "))
(exit 1)))
(let* ((remargs (args:get-args args '("-m" "-i" "-package") '() args:arg-hash 0))
(version (car args))
(msg (or (args:get-arg "-m") ""))
(package-type (or (args:get-arg "-package")
default-area))
(exe-dir (configf:lookup configdat "exe-info" "exe-dir")))
;; (relconfig (sretrieve:load-packages configdat exe-dir package-type)))
(debug:print 0 "retrieving " version " of " package-type " as tar data on stdout")
(debug:print 0 #f "retrieving " version " of " package-type " as tar data on stdout")
(sretrieve:get configdat user version msg)))
((cp)
(if (< (length args) 1)
(begin
(debug:print 0 #f "ERROR: Missing arguments; " (string-intersperse args ", "))
(exit 1)))
(let* ((remargs (args:get-args args '("-m" "-i" "-package") '() args:arg-hash 0))
(file (car args))
(msg (or (args:get-arg "-m") "")) )
(debug:print 0 #f "copinging " file " to current directory " )
(sretrieve:cp configdat user file msg)))
((ls)
(if (< (length args) 1)
(begin
(debug:print 0 #f "ERROR: Missing arguments; " (string-intersperse args ", "))
(exit 1)))
(let* ((remargs (args:get-args args '("-m" "-i" "-package") '() args:arg-hash 0))
(dir (car args))
(msg (or (args:get-arg "-m") "")) )
(debug:print 0 #f "Listing files in " )
(sretrieve:ls configdat user dir msg)))
(else (debug:print 0 "Unrecognised command " action)))))
(else (debug:print 0 #f "Unrecognised command " action)))))
;; ease debugging by loading ~/.dashboardrc - REMOVE FROM PRODUCTION!
;; (let ((debugcontrolf (conc (get-environment-variable "HOME") "/.sretrieverc")))
;; (if (file-exists? debugcontrolf)
;; (load debugcontrolf)))
(define (main)
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((ls)
(let* ((base-dir (configf:lookup configdat "settings" "base-dir")))
(if base-dir
(begin
(print "Files in " base-dir)
(sretrieve:do-as-calling-user
(lambda ()
(process-execute "/bin/ls" (list base-dir)))))
(process-execute "/bin/ls" (list "-lrt" base-dir)))))
(print "ERROR: No base dir specified!"))))
((log)
(sretrieve:db-do configdat (lambda (db)
(print "Logs : ")
(query (for-each-row
(lambda (row)
(apply print (intersperse row " | "))))
(sql db "SELECT * FROM actions")))))
((shell)
(sretrieve:shell))
(else
(print "ERROR: Unrecognised command. Try \"sretrieve help\""))))
;; multi-word commands
((null? rema)(print sretrieve:help))
((>= (length rema) 2)
(apply sretrieve:process-action configdat (car rema)(cdr rema)))
(else (debug:print 0 "ERROR: Unrecognised command. Try \"sretrieve help\"")))))
(else (debug:print 0 #f "ERROR: Unrecognised command. Try \"sretrieve help\"")))))
(main)
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