/*
Fetch new maps and update the project list.
Returns:
osack reference map
project name to id map
id to project name map
On error err is set, and nil values returned for conversion maps and the old os_list is returned
*/
func update_project(os_admin *ostack.Ostack, old_os_refs map[string]*ostack.Ostack, os_projects map[string]*osif_project, old_pname2id map[string]*string, old_id2pname map[string]*string, update_list bool) (
os_refs map[string]*ostack.Ostack,
id2pname map[string]*string,
pname2id map[string]*string) {
new_name2id, new_id2pname, err := os_admin.Map_tenants() // fetch new maps, overwrite only if no errors
if err == nil {
pname2id = new_name2id
id2pname = new_id2pname
} else {
osif_sheep.Baa(1, "WRN: unable to get tenant name/ID translation data: %s [TGUOSI010]", err)
return old_os_refs, old_pname2id, old_id2pname
}
if update_list { // asked to update the os_refs too
os_refs, _ = refresh_creds(os_admin, old_os_refs, id2pname) // periodic update of project cred list
add2projects(os_projects, os_refs, pname2id, 2) // add refernces to the projects list
if osif_sheep.Would_baa(2) {
for _, v := range os_projects {
osif_sheep.Baa(2, "update project sees: %s", *v.name)
}
}
} else {
os_refs = old_os_refs
}
osif_sheep.Baa(1, "credentials were updated from openstack")
return os_refs, pname2id, id2pname
}
/*
executed as a goroutine this loops waiting for messages from the tickler and takes
action based on what is needed.
*/
func Osif_mgr(my_chan chan *ipc.Chmsg) {
var (
msg *ipc.Chmsg
os_list string = ""
os_sects []string // sections in the config file
os_refs map[string]*ostack.Ostack // creds for each project we need to request info from
os_projects map[string]*osif_project // list of project info (maps)
os_admin *ostack.Ostack // admin creds
refresh_delay int = 15 // config file can override
id2pname map[string]*string // project id/name translation maps
pname2id map[string]*string
req_token bool = false // if set to true in config file the token _must_ be present when called to validate
def_passwd *string // defaults and what we assume are the admin creds
def_usr *string
def_url *string
def_project *string
def_region *string
)
osif_sheep = bleater.Mk_bleater(0, os.Stderr) // allocate our bleater and attach it to the master
osif_sheep.Set_prefix("osif_mgr")
tegu_sheep.Add_child(osif_sheep) // we become a child so that if the master vol is adjusted we'll react too
//ostack.Set_debugging( 0 );
// ---- pick up configuration file things of interest --------------------------
if cfg_data["osif"] != nil { // cannot imagine that this section is missing, but don't fail if it is
def_passwd = cfg_data["osif"]["passwd"] // defaults applied if non-section given in list, or info omitted from the section
def_usr = cfg_data["osif"]["usr"]
def_url = cfg_data["osif"]["url"]
def_project = cfg_data["osif"]["project"]
p := cfg_data["osif"]["refresh"]
if p != nil {
refresh_delay = clike.Atoi(*p)
if refresh_delay < 15 {
osif_sheep.Baa(1, "resresh was too small (%ds), setting to 15", refresh_delay)
refresh_delay = 15
}
}
p = cfg_data["osif"]["debug"]
if p != nil {
v := clike.Atoi(*p)
if v > -5 {
ostack.Set_debugging(v)
}
}
p = cfg_data["osif"]["region"]
if p != nil {
def_region = p
}
p = cfg_data["osif"]["ostack_list"] // preferred placement in osif section
if p == nil {
p = cfg_data["default"]["ostack_list"] // originally in default, so backwards compatable
}
if p != nil {
os_list = *p
}
p = cfg_data["osif"]["require_token"]
if p != nil && *p == "true" {
req_token = true
}
p = cfg_data["osif"]["verbose"]
if p != nil {
osif_sheep.Set_level(uint(clike.Atoi(*p)))
}
}
if os_list == " " || os_list == "" || os_list == "off" {
osif_sheep.Baa(0, "osif disabled: no openstack list (ostack_list) defined in configuration file or setting is 'off'")
} else {
// TODO -- investigate getting id2pname maps from each specific set of creds defined if an overarching admin name is not given
os_admin = get_admin_creds(def_url, def_usr, def_passwd, def_project, def_region) // this will block until we authenticate
if os_admin != nil {
osif_sheep.Baa(1, "admin creds generated, mapping tenants")
pname2id, id2pname, _ = os_admin.Map_tenants() // list only projects we belong to
for k, v := range pname2id {
osif_sheep.Baa(1, "project known: %s %s", k, *v) // useful to see in log what projects we can see
}
} else {
id2pname = make(map[string]*string) // empty maps and we'll never generate a translation from project name to tenant ID since there are no default admin creds
pname2id = make(map[string]*string)
if def_project != nil {
osif_sheep.Baa(0, "WRN: unable to use admin information (%s, proj=%s, reg=%s) to authorise with openstack [TGUOSI009]", def_usr, def_project, def_region)
} else {
osif_sheep.Baa(0, "WRN: unable to use admin information (%s, proj=no-project, reg=%s) to authorise with openstack [TGUOSI009]", def_usr, def_region) // YES msg ids are duplicated here
}
}
if os_list == "all" {
os_refs, _ = refresh_creds(os_admin, os_refs, id2pname) // for each project in id2pname get current ostack struct (auth)
for k := range os_refs {
osif_sheep.Baa(1, "inital os_list member: %s", k)
}
} else {
if strings.Index(os_list, ",") > 0 {
os_sects = strings.Split(os_list, ",")
} else {
os_sects = strings.Split(os_list, " ")
}
os_refs = make(map[string]*ostack.Ostack, len(os_sects)*2) // length is a guideline, not a hard value
for i := 0; i < len(os_sects); i++ {
osif_sheep.Baa(1, "creating openstack interface for %s", os_sects[i])
url := def_url
usr := def_usr
passwd := def_passwd
project := &os_sects[i]
if cfg_data[os_sects[i]] != nil { // section name supplied, override defaults with information from the section
if cfg_data[os_sects[i]]["url"] != nil {
url = cfg_data[os_sects[i]]["url"]
}
if cfg_data[os_sects[i]]["usr"] != nil {
usr = cfg_data[os_sects[i]]["usr"]
}
if cfg_data[os_sects[i]]["passwd"] != nil {
passwd = cfg_data[os_sects[i]]["passwd"]
}
if cfg_data[os_sects[i]]["project"] != nil {
project = cfg_data[os_sects[i]]["project"]
}
}
os_refs[*project] = ostack.Mk_ostack(url, usr, passwd, project)
os_refs["_ref_"] = os_refs[*project] // a quick access reference when any one will do
}
}
os_projects = make(map[string]*osif_project)
add2projects(os_projects, os_refs, pname2id, 0) // add refernces to the projects list
}
// ---------------- end config parsing ----------------------------------------
if os_admin != nil { // only if we are using openstack as a database
//tklr.Add_spot( 3, my_chan, REQ_GENCREDS, nil, 1 ) // add tickle spot to drive us once in 3s and then another to drive us based on config refresh rate
tklr.Add_spot(int64(180), my_chan, REQ_GENCREDS, nil, ipc.FOREVER)
}
osif_sheep.Baa(2, "osif manager is running %x", my_chan)
for {
msg = <-my_chan // wait for next message from tickler
msg.State = nil // default to all OK
osif_sheep.Baa(3, "processing request: %d", msg.Msg_type)
switch msg.Msg_type {
case REQ_GENMAPS: // driven by tickler
// deprecated with switch to lazy update
case REQ_GENCREDS: // driven by tickler now and then
if os_admin != nil {
os_refs, pname2id, id2pname = update_project(os_admin, os_refs, os_projects, pname2id, id2pname, os_list == "all")
}
/* ---- before lite ----
case REQ_VM2IP: // driven by tickler; gen a new vm translation map and push to net mgr
m := mapvm2ip( os_refs )
if m != nil {
count := 0;
msg := ipc.Mk_chmsg( )
msg.Send_req( nw_ch, nil, REQ_VM2IP, m, nil ) // send new map to network as it is managed there
osif_sheep.Baa( 2, "VM2IP mapping updated from openstack" )
for k, v := range m {
osif_sheep.Baa( 3, "VM mapped: %s ==> %s", k, *v )
count++;
}
osif_sheep.Baa( 2, "mapped %d VM names/IDs from openstack (verbose 3 for debug list)", count )
}
*/
case REQ_IP2MACMAP: // generate an ip to mac map and send to those who need it (fq_mgr at this point)
freq := ipc.Mk_chmsg() // need a new request to pass to fq_mgr
data, err := get_ip2mac(os_projects)
if err == nil {
osif_sheep.Baa(2, "sending ip2mac map to fq_mgr")
freq.Send_req(fq_ch, nil, REQ_IP2MACMAP, data, nil) // request data forward
msg.State = nil // response ok back to requestor
} else {
msg.State = err // error goes back to requesting process
}
case REQ_CHOSTLIST:
if msg.Response_ch != nil { // no sense going off to ostack if no place to send the list
osif_sheep.Baa(2, "starting list host")
msg.Response_data, msg.State = get_hosts(os_refs)
osif_sheep.Baa(2, "finishing list host")
} else {
osif_sheep.Baa(0, "WRN: no response channel for host list request [TGUOSI012]")
}
/* ======= don't think these are needed but holding ======
case REQ_PROJNAME2ID: // translate a project name (tenant) to ID
if msg.Response_ch != nil {
pname := msg.Req_data.( *string )
if s, ok := pname2id[*pname]; ok { // translate if there, else assume it's in it's "final" form
msg.Response_data = s
} else {
msg.Response_data = pname
}
}
*/
case REQ_VALIDATE_TOKEN: // given token/tenant validate it and translate tenant name to ID if given; returns just ID
if msg.Response_ch != nil {
s := msg.Req_data.(*string)
*s += "/" // add trailing slant to simulate "data"
if !have_project(s, pname2id, id2pname) { // ensure that we have creds for this project, if not attempt to get
os_refs, pname2id, id2pname = update_project(os_admin, os_refs, os_projects, pname2id, id2pname, os_list == "all")
}
msg.Response_data, msg.State = validate_token(s, os_refs, pname2id, req_token)
}
case REQ_GET_HOSTINFO: // dig out all of the bits of host info for a single host from openstack and return in a network update struct
if msg.Response_ch != nil {
go get_os_hostinfo(msg, os_refs, os_projects, id2pname, pname2id) // do it asynch and return the result on the message channel
msg = nil // prevent early response
}
case REQ_GET_PROJ_HOSTS:
if msg.Response_ch != nil {
go get_all_osvm_info(msg, os_refs, os_projects, id2pname, pname2id) // do it asynch and return the result on the message channel
msg = nil // prevent response from this function
}
case REQ_GET_DEFGW: // dig out the default gateway for a project
if msg.Response_ch != nil {
go get_os_defgw(msg, os_refs, os_projects, id2pname, pname2id) // do it asynch and return the result on the message channel
msg = nil // prevent early response
}
case REQ_VALIDATE_HOST: // validate and translate a [token/]project-name/host string
if msg.Response_ch != nil {
if !have_project(msg.Req_data.(*string), pname2id, id2pname) { // ensure that we have creds for this project, if not attempt to get
os_refs, pname2id, id2pname = update_project(os_admin, os_refs, os_projects, pname2id, id2pname, os_list == "all")
}
msg.Response_data, msg.State = validate_token(msg.Req_data.(*string), os_refs, pname2id, req_token)
}
case REQ_XLATE_HOST: // accepts a [token/][project/]host name and translate project to an ID
if msg.Response_ch != nil {
if !have_project(msg.Req_data.(*string), pname2id, id2pname) { // ensure that we have creds for this project, if not attempt to get
os_refs, pname2id, id2pname = update_project(os_admin, os_refs, os_projects, pname2id, id2pname, os_list == "all")
}
msg.Response_data, msg.State = validate_token(msg.Req_data.(*string), os_refs, pname2id, false) // same process as validation but token not required
}
case REQ_VALIDATE_TEGU_ADMIN: // validate that the token is for the tegu user
if msg.Response_ch != nil {
if !have_project(msg.Req_data.(*string), pname2id, id2pname) { // ensure that we have creds for this project, if not attempt to get
os_refs, pname2id, id2pname = update_project(os_admin, os_refs, os_projects, pname2id, id2pname, os_list == "all")
}
msg.State = validate_admin_token(os_admin, msg.Req_data.(*string), def_usr)
msg.Response_data = ""
}
case REQ_HAS_ANY_ROLE: // given a token and list of roles, returns true if any role listed is listed by openstack for the token
if msg.Response_ch != nil {
d := msg.Req_data.(*string)
dtoks := strings.Split(*d, " ") // data assumed to be token <space> role[,role...]
if len(dtoks) > 1 {
msg.Response_data, msg.State = has_any_role(os_refs, os_admin, &dtoks[0], &dtoks[1])
} else {
msg.State = fmt.Errorf("has_any_role: bad input data")
msg.Response_data = false
}
}
case REQ_PNAME2ID: // user, project, tenant (what ever) name to ID
if msg.Response_ch != nil {
msg.Response_data = pname2id[*(msg.Req_data.(*string))]
if msg.Response_data.(*string) == nil { // maybe it was an ID that came in
if id2pname[*(msg.Req_data.(*string))] != nil { // if in id map, then return the stirng (the id) they passed (#202)
msg.Response_data = msg.Req_data.(*string)
} else {
msg.Response_data = nil // couldn't translate
}
}
}
default:
osif_sheep.Baa(1, "unknown request: %d", msg.Msg_type)
msg.Response_data = nil
if msg.Response_ch != nil {
msg.State = fmt.Errorf("osif: unknown request (%d)", msg.Msg_type)
}
}
if msg != nil { // if msg wasn't passed off to a go routine
osif_sheep.Baa(3, "processing request complete: %d", msg.Msg_type)
if msg.Response_ch != nil { // if a reqponse channel was provided
msg.Response_ch <- msg // send our result back to the requestor
}
}
}
}