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matchable regex posix (srfi 18) extras ;; tcp
(prefix nanomsg nmsg:)
(prefix sqlite3 sqlite3:)
pkts (prefix dbi dbi:)
)
(declare (unit common))
;; (declare (uses commonmod))
;; (import commonmod)
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matchable regex posix (srfi 18) extras ;; tcp
(prefix nanomsg nmsg:)
(prefix sqlite3 sqlite3:)
pkts (prefix dbi dbi:)
)
(declare (unit common))
(declare (uses commonmod))
(import commonmod)
(include "common_records.scm")
;; (require-library margs)
;; (include "margs.scm")
;; (define old-exit exit)
;;
;; (define (exit . code)
;; (if (null? code)
;; (old-exit)
;; (old-exit code)))
(define (stop-the-train)
(thread-start! (make-thread (lambda ()
(let loop ()
(if (and *toppath*
(file-exists? (conc *toppath*"/stop-the-train")))
(begin
(debug:print 0 *default-log-port* "ERROR: found file "*toppath*"/stop-the-train, exiting immediately")
(exit 1)))
(thread-sleep! 5)
(loop))))))
;; execute thunk, return value. If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; arguments - thunk, message
(define (common:fail-safe thunk warning-message-on-exception)
(handle-exceptions
exn
(begin
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(define *toppath* #f)
(define *already-seen-runconfig-info* #f)
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus* 0) ;; attempt to work around possible thread issues
(define *passnum* 0) ;; when running track calls to run-tests or similar
;; (define *alt-log-file* #f) ;; used by -log
(define *common:denoise* (make-hash-table)) ;; for low noise printing
(define *default-log-port* (current-error-port))
(define *time-zero* (current-seconds)) ;; for the watchdog
(define *default-area-tag* "local")
;; DATABASE
(define *dbstruct-db* #f) ;; used to cache the dbstruct in db:setup. Goal is to remove this.
;; db stats
(define *db-stats* (make-hash-table)) ;; hash of vectors < count duration-total >
(define *db-stats-mutex* (make-mutex))
;; db access
(define *db-last-access* (current-seconds)) ;; last db access, used in server
(define *db-write-access* #t)
;; db sync
(define *db-last-sync* 0) ;; last time the sync to megatest.db happened
(define *db-sync-in-progress* #f) ;; if there is a sync in progress do not try to start another
(define *db-multi-sync-mutex* (make-mutex)) ;; protect access to *db-sync-in-progress*, *db-last-sync*
;; task db
(define *task-db* #f) ;; (vector db path-to-db)
(define *db-access-allowed* #t) ;; flag to allow access
(define *db-access-mutex* (make-mutex))
(define *db-transaction-mutex* (make-mutex))
(define *db-cache-path* #f)
(define *db-with-db-mutex* (make-mutex))
(define *db-api-call-time* (make-hash-table)) ;; hash of command => (list of times)
;; no sync db
(define *no-sync-db* #f)
;; SERVER
(define *my-client-signature* #f)
(define *transport-type* 'http) ;; override with [server] transport http|rpc|nmsg
(define *runremote* #f) ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size* 0)
(define *logged-in-clients* (make-hash-table))
(define *server-id* #f)
(define *server-info* #f) ;; good candidate for easily convert to non-global
(define *time-to-exit* #f)
(define *server-run* #t)
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
(define *api-process-request-count* 0)
(define *max-api-process-requests* 0)
(define *server-overloaded* #f)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
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(define *toppath* #f)
(define *already-seen-runconfig-info* #f)
(define *test-meta-updated* (make-hash-table))
(define *globalexitstatus* 0) ;; attempt to work around possible thread issues
(define *passnum* 0) ;; when running track calls to run-tests or similar
;; (define *alt-log-file* #f) ;; used by -log
;; (define *common:denoise* (make-hash-table)) ;; for low noise printing
(define *default-log-port* (current-error-port))
(define *time-zero* (current-seconds)) ;; for the watchdog
(define *default-area-tag* "local")
;; DATABASE
;; (define *dbstruct-dbs* #f) ;; used to cache the dbstruct in db:setup. Goal is to remove this.
;; db stats
(define *db-stats* (make-hash-table)) ;; hash of vectors < count duration-total >
(define *db-stats-mutex* (make-mutex))
;; db access
(define *db-last-access* (current-seconds)) ;; last db access, used in server
;; (define *db-write-access* #t)
;; db sync
;; (define *db-last-sync* 0) ;; last time the sync to megatest.db happened
(define *db-sync-in-progress* #f) ;; if there is a sync in progress do not try to start another
;; (define *db-multi-sync-mutex* (make-mutex)) ;; protect access to *db-sync-in-progress*, *db-last-sync*
;; task db
(define *task-db* #f) ;; (vector db path-to-db)
(define *db-access-allowed* #t) ;; flag to allow access
;; (define *db-access-mutex* (make-mutex)) ;; moved to dbfile
(define *db-transaction-mutex* (make-mutex))
(define *db-cache-path* #f)
;; (define *db-with-db-mutex* (make-mutex))
(define *db-api-call-time* (make-hash-table)) ;; hash of command => (list of times)
;; no sync db
;; (define *no-sync-db* #f) ;; moved to dbfile
;; SERVER
(define *my-client-signature* #f)
(define *transport-type* 'http) ;; override with [server] transport http|rpc|nmsg
(define *runremote* #f) ;; if set up for server communication this will hold <host port>
;; (define *max-cache-size* 0)
(define *logged-in-clients* (make-hash-table))
(define *server-id* #f)
(define *server-info* #f) ;; good candidate for easily convert to non-global
(define *time-to-exit* #f)
(define *server-run* #t)
(define *run-id* #f)
(define *server-kind-run* (make-hash-table))
(define *home-host* #f)
;; (define *total-non-write-delay* 0)
(define *heartbeat-mutex* (make-mutex))
;; (define *api-process-request-count* 0)
;; (define *max-api-process-requests* 0)
(define *server-overloaded* #f)
;; client
(define *rmt-mutex* (make-mutex)) ;; remote access calls mutex
;; RPC transport
(define *rpc:listener* #f)
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(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url #f) ;; (server:check-if-running *toppath*) #f))
(server-id #f)
(server-info (if *toppath* (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(conndat #f)
(transport *transport-type*)
(server-timeout (server:expiration-timeout))
(force-server #f)
(ro-mode #f)
(ro-mode-checked #f)) ;; flag that indicates we have checked for ro-mode
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(defstruct remote
(hh-dat (common:get-homehost)) ;; homehost record ( addr . hhflag )
(server-url #f) ;; (server:check-if-running *toppath*) #f))
(server-id #f)
(server-info (if *toppath* (server:check-if-running *toppath*) #f))
(last-server-check 0) ;; last time we checked to see if the server was alive
(connect-time (current-seconds))
(conndat #f)
(transport *transport-type*)
(server-timeout (server:expiration-timeout))
(force-server #f)
(ro-mode #f)
(ro-mode-checked #f)) ;; flag that indicates we have checked for ro-mode
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;; Move me elsewhere ...
;; RADT => Why do we meed the version check here, this is called only if version misma
;;
(define (common:cleanup-db dbstruct #!key (full #f))
(apply db:multi-db-sync
dbstruct
'schema
;; 'new2old
;; 'old2new
;; (if full
'(dejunk)
;; '())
)
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;; Move me elsewhere ...
;; RADT => Why do we meed the version check here, this is called only if version misma
;;
(define (common:cleanup-db dbstruct #!key (full #f))
(apply db:multi-db-sync
dbstruct
'schema
'killservers
'adj-target
'new2old
'(dejunk)
)
(if (common:api-changed?)
(common:set-last-run-version)))
(define (common:snapshot-file filepath #!key (subdir ".") )
(if (file-exists? filepath)
(let* ((age-sec (lambda (file)
(if (file-exists? file)
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;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
(if (common:on-homehost?)
(if (common:api-changed?)
(let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
(dbfile (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.db"))
(read-only (not (file-write-access? dbfile)))
(dbstruct (db:setup #t)))
(debug:print 0 *default-log-port*
"WARNING: Version mismatch!\n"
" expected: " (common:version-signature) "\n"
" got: " (common:get-last-run-version))
(cond
((get-environment-variable "MT_SKIP_DB_MIGRATE") #t)
((and (common:file-exists? mtconf) (common:file-exists? dbfile) (not read-only)
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;; Force a megatest cleanup-db if version is changed and skip-version-check not specified
;; Do NOT check if not on homehost!
;;
(define (common:exit-on-version-changed)
(if (common:on-homehost?)
(if (common:api-changed?)
(let* ((mtconf (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.config"))
(dbfile (conc (get-environment-variable "MT_RUN_AREA_HOME") "/megatest.db"))
(read-only (not (file-write-access? dbfile)))
(dbstruct (db:setup #t))) ;; (db:setup-db *dbstruct-dbs* *toppath* #f))) ;; #t)))
(debug:print 0 *default-log-port*
"WARNING: Version mismatch!\n"
" expected: " (common:version-signature) "\n"
" got: " (common:get-last-run-version))
(cond
((get-environment-variable "MT_SKIP_DB_MIGRATE") #t)
((and (common:file-exists? mtconf) (common:file-exists? dbfile) (not read-only)
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(begin
(debug:print-error 0 *default-log-port* "received bad encoded string \"" instr "\", message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
(print-call-chain (current-error-port))
#f)
(read (open-input-string (base64:base64-decode instr))))
(read (open-input-string (z3:decode-buffer (base64:base64-decode instr))))))
;; dot-locking egg seems not to work, using this for now
;; if lock is older than expire-time then remove it and try again
;; to get the lock
;;
(define (common:simple-file-lock fname #!key (expire-time 300))
(let ((fmod-time (handle-exceptions
ext
(current-seconds)
(file-modification-time fname))))
(if (common:file-exists? fname)
(if (> (- (current-seconds) fmod-time) expire-time)
(begin
(handle-exceptions exn #f (delete-file* fname))
(common:simple-file-lock fname expire-time: expire-time))
#f)
(let ((key-string (conc (get-host-name) "-" (current-process-id))))
(with-output-to-file fname
(lambda ()
(print key-string)))
(thread-sleep! 0.25)
(if (common:file-exists? fname)
(handle-exceptions exn
#f
(with-input-from-file fname
(lambda ()
(equal? key-string (read-line)))))
#f)))))
(define (common:simple-file-lock-and-wait fname #!key (expire-time 300))
(let ((end-time (+ expire-time (current-seconds))))
(let loop ((got-lock (common:simple-file-lock fname expire-time: expire-time)))
(if got-lock
#t
(if (> end-time (current-seconds))
(begin
(thread-sleep! 3)
(loop (common:simple-file-lock fname expire-time: expire-time)))
#f)))))
(define (common:simple-file-release-lock fname)
(handle-exceptions
exn
#f ;; I don't really care why this failed (at least for now)
(delete-file* fname)))
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(begin
(debug:print-error 0 *default-log-port* "received bad encoded string \"" instr "\", message: " ((condition-property-accessor 'exn 'message) exn) ", exn=" exn)
(print-call-chain (current-error-port))
#f)
(read (open-input-string (base64:base64-decode instr))))
(read (open-input-string (z3:decode-buffer (base64:base64-decode instr))))))
;;======================================================================
;; S T A T E S A N D S T A T U S E S
;;======================================================================
;; BBnote: *common:std-states* - dashboard filter control and test control state buttons defined here; used in set-fields-panel and dboard:make-controls
(define *common:std-states* ;; for toggle buttons in dashboard
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thepath
(if (equal? thepath "/")
(begin
(debug:print-error 0 *default-log-port* "Unable to find megatest home directory.")
#f)
(loop (pathname-directory thepath)))))
))
;;======================================================================
;; redefine for future cleanup (converge on area-name, the more generic
;;
(define common:get-area-name common:get-testsuite-name)
(define (common:get-db-tmp-area . junk)
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thepath
(if (equal? thepath "/")
(begin
(debug:print-error 0 *default-log-port* "Unable to find megatest home directory.")
#f)
(loop (pathname-directory thepath)))))
))
(define (common:db-tmp-area-path)
(conc "/tmp/"
(current-user-name)
"/megatest_localdb/"
(common:get-testsuite-name)
"/"
(string-translate *toppath* "/" ".")
)
)
;;======================================================================
;; redefine for future cleanup (converge on area-name, the more generic
;;
(define common:get-area-name common:get-testsuite-name)
(define (common:get-db-tmp-area . junk)
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(string-translate *toppath* "/" "."))
(conc "/tmp/" (current-process-id) ;; just in case we have an issue with the dir by own user name
"/megatest_localdb/"
tsname
(string-translate *toppath* "/" "."))
))))
(set! *db-cache-path* dbpath)
dbpath))
#f)))
(define (common:get-area-path-signature)
(message-digest-string (md5-primitive) *toppath*))
(define (common:get-signature str)
(message-digest-string (md5-primitive) str))
;;======================================================================
;; E X I T H A N D L I N G
;;======================================================================
(define (common:run-sync?)
(and (common:on-homehost?)
(args:get-arg "-server")))
(define (common:human-time)
(time->string (seconds->local-time (current-seconds)) "%Y-%m-%d %H:%M:%S"))
;;======================================================================
;; currently the primary job of the watchdog is to run the sync back to megatest.db from the db in /tmp
;; if we are on the homehost and we are a server (by definition we are on the homehost if we are a server)
;;
(define (common:readonly-watchdog dbstruct)
(thread-sleep! 0.05) ;; delay for startup
(debug:print-info 13 *default-log-port* "common:readonly-watchdog entered.")
;; sync megatest.db to /tmp/.../megatst.db
(let* ((sync-cool-off-duration 3)
(golden-mtdb (dbr:dbstruct-mtdb dbstruct))
(golden-mtpath (db:dbdat-get-path golden-mtdb))
(tmp-mtdb (dbr:dbstruct-tmpdb dbstruct))
(tmp-mtpath (db:dbdat-get-path tmp-mtdb)))
(debug:print-info 0 *default-log-port* "Read-only periodic sync thread started.")
(let loop ((last-sync-time 0))
(debug:print-info 13 *default-log-port* "loop top tmp-mtpath="tmp-mtpath" golden-mtpath="golden-mtpath)
(let* ((duration-since-last-sync (- (current-seconds) last-sync-time)))
(debug:print-info 13 *default-log-port* "duration-since-last-sync="duration-since-last-sync)
(if (and (not *time-to-exit*)
(< duration-since-last-sync sync-cool-off-duration))
(thread-sleep! (- sync-cool-off-duration duration-since-last-sync)))
(if (not *time-to-exit*)
(let ((golden-mtdb-mtime (file-modification-time golden-mtpath))
(tmp-mtdb-mtime (file-modification-time tmp-mtpath)))
(if (> golden-mtdb-mtime tmp-mtdb-mtime)
(if (< golden-mtdb-mtime (- (current-seconds) 3)) ;; file has NOT been touched in past three seconds, this way multiple servers won't fight to sync back
(let ((res (db:multi-db-sync dbstruct 'old2new)))
(debug:print-info 13 *default-log-port* "rosync called, " res " records transferred."))))
(loop (current-seconds)))
#t)))
(debug:print-info 0 *default-log-port* "Exiting readonly-watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" mtpath="golden-mtpath)))
;;======================================================================
;; TODO: for multiple areas, we will have multiple watchdogs; and multiple threads to manage
(define (common:watchdog)
(debug:print-info 13 *default-log-port* "common:watchdog entered.")
(if (launch:setup)
(if (common:on-homehost?)
(let ((dbstruct (db:setup #t)))
(debug:print-info 13 *default-log-port* "after db:setup with dbstruct=" dbstruct)
(cond
((dbr:dbstruct-read-only dbstruct)
(debug:print-info 13 *default-log-port* "loading read-only watchdog")
(common:readonly-watchdog dbstruct))
(else
(debug:print-info 13 *default-log-port* "loading writable-watchdog.")
(let* ((syncer (or (configf:lookup *configdat* "server" "sync-method") "brute-force-sync")))
(cond
((equal? syncer "brute-force-sync")
(server:writable-watchdog-bruteforce dbstruct))
((equal? syncer "delta-sync")
(server:writable-watchdog-deltasync dbstruct))
(else
(debug:print-error 0 *default-log-port* "Unknown server/sync-method specified ("syncer") - valid values are brute-force-sync and delta-sync.")
(exit 1)))
;;(debug:print 1 *default-log-port* "INFO: ["(common:human-time)"] Syncer started (method="syncer")")
)))
(debug:print-info 13 *default-log-port* "watchdog done."))
(debug:print-info 13 *default-log-port* "no need for watchdog on non-homehost"))))
(define (std-exit-procedure)
;;(common:telemetry-log-close)
(on-exit (lambda () 0))
;;(debug:print-info 13 *default-log-port* "std-exit-procedure called; *time-to-exit*="*time-to-exit*)
(let ((no-hurry (if *time-to-exit* ;; hurry up
#f
(begin
(set! *time-to-exit* #t)
#t))))
(debug:print-info 4 *default-log-port* "starting exit process, finalizing databases.")
(if (and no-hurry (debug:debug-mode 18))
(rmt:print-db-stats))
(let ((th1 (make-thread (lambda () ;; thread for cleaning up, give it five seconds
(if *dbstruct-db* (db:close-all *dbstruct-db*)) ;; one second allocated
(if *task-db*
(let ((db (cdr *task-db*)))
(if (sqlite3:database? db)
(begin
(sqlite3:interrupt! db)
(sqlite3:finalize! db #t)
;; (vector-set! *task-db* 0 #f)
(set! *task-db* #f)))))
(http-client#close-all-connections!)
;; (if (and *runremote*
;; (remote-conndat *runremote*))
;; (begin
;; (http-client#close-all-connections!))) ;; for http-client
(if (not (eq? *default-log-port* (current-error-port)))
(close-output-port *default-log-port*))
(set! *default-log-port* (current-error-port))) "Cleanup db exit thread"))
(th2 (make-thread (lambda ()
(debug:print 4 *default-log-port* "Attempting clean exit. Please be patient and wait a few seconds...")
(if no-hurry
(begin
(thread-sleep! 5)) ;; give the clean up few seconds to do it's stuff
(begin
(thread-sleep! 2)))
(debug:print 4 *default-log-port* " ... done")
)
"clean exit")))
(thread-start! th1)
(thread-start! th2)
(thread-join! th1)
)
)
0)
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(string-translate *toppath* "/" "."))
(conc "/tmp/" (current-process-id) ;; just in case we have an issue with the dir by own user name
"/megatest_localdb/"
tsname
(string-translate *toppath* "/" "."))
))))
(set! *db-cache-path* dbpath)
;; ensure megatest area has .megatest
(let ((dbarea (conc *toppath* "/.megatest")))
(if (not (file-exists? dbarea))
(create-directory dbarea)))
;; ensure tmp area has .megatest
(let ((dbarea (conc dbpath "/.megatest")))
(if (not (file-exists? dbarea))
(create-directory dbarea)))
dbpath))
#f)))
(define (common:get-area-path-signature)
(message-digest-string (md5-primitive) *toppath*))
(define (common:get-signature str)
(message-digest-string (md5-primitive) str))
;;======================================================================
;; E X I T H A N D L I N G
;;======================================================================
(define (common:run-sync?)
(and (common:on-homehost?)
(args:get-arg "-server")))
(define (common:human-time)
(time->string (seconds->local-time (current-seconds)) "%Y-%m-%d %H:%M:%S"))
(define (std-signal-handler signum)
;; (signal-mask! signum)
(set! *time-to-exit* #t)
;;(debug:print-info 13 *default-log-port* "got signal "signum)
(debug:print-error 0 *default-log-port* "Received signal " signum " aaa exiting promptly")
;; (std-exit-procedure) ;; shouldn't need this since we are exiting and it will be called anyway
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((r1 r2 s1 s2)
(debug:print 3 *default-log-port* "Using params r1=" r1 " r2=" r2 " s1=" s1 " s2=" s2)
(min (max (/ (expt r1 (* r2 s2 ratio)) s1) 0) 30))
(else
(debug:print 0 *default-log-port* "BAD exp-params, should be \"r1 r2 s1 s2\" but got " paramstr)
30)))))
(define (common:print-delay-table)
(let loop ((x 0))
(print x "," (common:get-delay x 1))
(if (< x 2)
(loop (+ x 0.1)))))
(define (get-cpu-load #!key (remote-host #f))
(car (common:get-cpu-load remote-host)))
;;======================================================================
;; (let* ((load-res (process:cmd-run->list "uptime"))
;; (load-rx (regexp "load average:\\s+(\\d+)"))
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((r1 r2 s1 s2)
(debug:print 3 *default-log-port* "Using params r1=" r1 " r2=" r2 " s1=" s1 " s2=" s2)
(min (max (/ (expt r1 (* r2 s2 ratio)) s1) 0) 30))
(else
(debug:print 0 *default-log-port* "BAD exp-params, should be \"r1 r2 s1 s2\" but got " paramstr)
30)))))
;; -mrw- this appears to not be used
;;
;; (define (common:print-delay-table)
;; (let loop ((x 0))
;; (print x "," (common:get-delay x 1))
;; (if (< x 2)
;; (loop (+ x 0.1)))))
(define (get-cpu-load #!key (remote-host #f))
(car (common:get-cpu-load remote-host)))
;;======================================================================
;; (let* ((load-res (process:cmd-run->list "uptime"))
;; (load-rx (regexp "load average:\\s+(\\d+)"))
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exn
(begin
(debug:print 0 *default-log-port* "failed to write file " fullpath ", exn=" exn)
#f)
(with-output-to-file fullpath (lambda ()(pp dat)))))
#f))
(define (common:raw-get-remote-host-load remote-host)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)
#f) ;; more specific handling of errors needed
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/loadavg")
(lambda ()(list (read)(read)(read))))))
;;======================================================================
;; get cpu load by reading from /proc/loadavg, return all three values
;;
(define (common:get-cpu-load remote-host)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "failed to ssh or read loadavg from host " remote-host ", exn=" exn)
'(-99 -99 -99))
(let* ((actual-hostname (or remote-host (get-host-name) "localhost")))
(or (common:get-cached-info actual-hostname "cpu-load")
(let ((result (if remote-host
(map (lambda (res)
(if (eof-object? res) 9e99 res))
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/loadavg")
(lambda ()(list (read)(read)(read)))))
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exn
(begin
(debug:print 0 *default-log-port* "failed to write file " fullpath ", exn=" exn)
#f)
(with-output-to-file fullpath (lambda ()(pp dat)))))
#f))
(define (common:raw-get-remote-host-load-orig remote-host)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)
#f) ;; more specific handling of errors needed
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/loadavg")
(lambda ()(list (read)(read)(read))))))
(define (common:raw-get-remote-host-load remote-host)
(let* ((inp #f))
(handle-exceptions
exn
(begin
(close-input-pipe inp)
(debug:print 0 *default-log-port* "failed to ssh to " remote-host " and get loadavg. exn=" exn)
#f) ;; more specific handling of errors needed
(set! inp (open-input-pipe (conc "ssh " remote-host " cat /proc/loadavg")))
(let ((res (list (read inp)(read inp)(read inp))))
(close-input-pipe inp)
res))))
;;======================================================================
;; get cpu load by reading from /proc/loadavg, return all three values
;;
(define (common:get-cpu-load remote-host)
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "failed to ssh or read loadavg from host " remote-host ", exn=" exn)
'(-99 -99 -99))
(let* ((actual-hostname (or remote-host (get-host-name) "localhost")))
(or (common:get-cached-info actual-hostname "cpu-load")
(let ((result (if remote-host
(map (lambda (res)
(if (eof-object? res) 9e99 res))
(common:raw-get-remote-host-load remote-host))
(with-input-from-file "/proc/loadavg"
(lambda ()(list (read)(read)(read)))))))
(match
result
((l1 l2 l3)
(if (and (number? l1)
(number? l2)
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((eq? res #f) default) ;; this would be the #eof
(else default))))
(define (common:get-normalized-cpu-load-raw remote-host)
(let* ((actual-host (or remote-host (get-host-name)))) ;; #f is localhost
(or (common:get-cached-info actual-host "normalized-load")
(let ((data (if remote-host
(with-input-from-pipe
(conc "ssh " remote-host " \"cat /proc/loadavg;cat /proc/cpuinfo;echo end\"")
read-lines)
(append
(with-input-from-file "/proc/loadavg"
read-lines)
(with-input-from-file "/proc/cpuinfo"
read-lines)
(list "end"))))
(load-rx (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))
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((eq? res #f) default) ;; this would be the #eof
(else default))))
(define (common:get-normalized-cpu-load-raw remote-host)
(let* ((actual-host (or remote-host (get-host-name)))) ;; #f is localhost
(or (common:get-cached-info actual-host "normalized-load")
(let ((data (if remote-host
(let ((inp #f))
(handle-exceptions
exn
(begin
(close-input-port inp)
'())
(set! inp (open-input-port (conc "ssh " remote-host " \"cat /proc/loadavg;cat /proc/cpuinfo;echo end\"")))
(let* ((res (read-lines inp)))
(close-input-port inp)
res)))
(append
(with-input-from-file "/proc/loadavg"
read-lines)
(with-input-from-file "/proc/cpuinfo"
read-lines)
(list "end"))))
(load-rx (regexp "^([\\d\\.]+)\\s+([\\d\\.]+)\\s+([\\d\\.]+)\\s+.*$"))
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numcpu
#f) ;; if zero return #f so caller knows that things are not working
(loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
(+ numcpu 1)
numcpu)
(read-line))))))
(result (if remote-host
(with-input-from-pipe
(conc "ssh " remote-host " cat /proc/cpuinfo")
proc)
(with-input-from-file "/proc/cpuinfo" proc))))
(if (and (number? result)
(> result 0))
(common:write-cached-info actual-host "num-cpus" result))
result))))
(hash-table-set! *numcpus-cache* actual-host numcpus)
numcpus))))
;;======================================================================
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxnormload msg remote-host #!optional (rem-tries 5))
(let ((num-cpus (common:get-num-cpus remote-host)))
(if num-cpus
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numcpu
#f) ;; if zero return #f so caller knows that things are not working
(loop (if (string-match "^processor\\s+:\\s+\\d+$" inl)
(+ numcpu 1)
numcpu)
(read-line))))))
(result (if remote-host
(common:generic-ssh
(conc "ssh " remote-host " cat /proc/cpuinfo")
proc -1)
(with-input-from-file "/proc/cpuinfo" proc))))
(if (and (number? result)
(> result 0))
(common:write-cached-info actual-host "num-cpus" result))
result))))
(hash-table-set! *numcpus-cache* actual-host numcpus)
numcpus))))
(define (common:generic-ssh ssh-command proc default #!optional (msg-proc #f))
(let ((inp #f))
(handle-exceptions
exn
(begin
(close-input-port inp)
(if msg-proc
(msg-proc)
(debug:print 0 *default-log-port* "Command: \""ssh-command"\" failed. exn="exn))
default)
(set! inp (open-input-pipe ssh-command))
(with-input-from-port inp
(lambda ()
(let ((res (proc)))
(close-input-port inp)
res))))))
;;======================================================================
;; wait for normalized cpu load to drop below maxload
;;
(define (common:wait-for-normalized-load maxnormload msg remote-host #!optional (rem-tries 5))
(let ((num-cpus (common:get-num-cpus remote-host)))
(if num-cpus
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(let ((rule (common:file-find-rule p specs)))
(cond
((directory? p)(hash-table-set! directories p #t))
(else
(case (vector-ref rule 1)
((keep)(hash-table-set! keepers p rule))
((remove)
(print "Removing file " p)
(delete-file p))
((compress)
(print "Compressing file " p)
(system (conc compress " " p)))
(else
(print "No match for file " p))))))))
(if remove-empty
(for-each
(lambda (d)
(if (null? (glob (conc d "/.*")(conc d "/*")))
(begin
(print "Removing empty directory " d)
(delete-directory d))))
(sort (hash-table-keys directories) (lambda (a b)(> (string-length a)(string-length b))))))
))
;;======================================================================
;; E N V I R O N M E N T V A R S
;;======================================================================
(define (bb-check-path #!key (msg "check-path: "))
(let ((path (or (get-environment-variable "PATH") "none")))
(debug:print-info 0 *default-log-port* (conc msg" : $PATH="path))
(if (string-match "^.*/isoenv-core/.*" path)
(debug:print-error 0 *default-log-port* (conc msg" : !!ISOENV PRESENT!!")) ;; remove for prod
(debug:print-info 1 *default-log-port* (conc msg" : **no isoenv present**")))))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key))
"# setenv "
"setenv ")
key " " delim (mungeval val) delim)))
envvars)))
(with-output-to-file (conc fname ".sh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key)
(string-search ":" key)) ;; internal only values to be skipped.
"# export "
"export ")
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(let ((rule (common:file-find-rule p specs)))
(cond
((directory? p)(hash-table-set! directories p #t))
(else
(case (vector-ref rule 1)
((keep)(hash-table-set! keepers p rule))
((remove)
(debug:print 0 *default-log-port* "Removing file " p)
(delete-file p))
((compress)
(debug:print 0 *default-log-port* "Compressing file " p)
(system (conc compress " " p)))
(else
(debug:print 0 *default-log-port* "No match for file " p))))))))
(if remove-empty
(for-each
(lambda (d)
(if (null? (glob (conc d "/.*")(conc d "/*")))
(begin
(debug:print 0 *default-log-port* "Removing empty directory " d)
(delete-directory d))))
(sort (hash-table-keys directories) (lambda (a b)(> (string-length a)(string-length b))))))
))
;;======================================================================
;; E N V I R O N M E N T V A R S
;;======================================================================
(define (save-environment-as-files fname #!key (ignorevars (list "USER" "HOME" "DISPLAY" "LS_COLORS" "XKEYSYMDB" "EDITOR" "MAKEFLAGS" "MAKEF" "MAKEOVERRIDES" "HOSTNAME")))
;;(bb-check-path msg: "save-environment-as-files entry")
(let ((envvars (get-environment-variables))
(whitesp (regexp "[^a-zA-Z0-9_\\-:,\\.\\/%$]"))
(mungeval (lambda (val)
(cond
((eq? val #t) "") ;; convert #t to empty string
((eq? val #f) #f) ;; convert #f to itself (still thinking about this one
(else val)))))
(with-output-to-file (conc fname ".csh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (and (string-search whitesp val)
(not (string-search "^\".*\"$" val))
(not (string-search "^'.*'$" val)))
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key))
"# setenv "
"setenv ")
key " " delim (mungeval val) delim)))
envvars)))
(with-output-to-file (conc fname ".sh")
(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (and (string-search whitesp val)
(not (string-search "^\".*\"$" val))
(not (string-search "^'.*'$" val)))
"\""
"")))
(print (if (or (member key ignorevars)
(string-search whitesp key)
(string-search ":" key)) ;; internal only values to be skipped.
"# export "
"export ")
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| ︙ | | | ︙ | |