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omsadmin.sh
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omsadmin.sh
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#!/bin/sh
set -e
VAR_DIR=/var/opt/microsoft/omsagent
ETC_DIR=/etc/opt/microsoft/omsagent
NPM_DIR=$VAR_DIR/npm_state
NPM_CONF_FILE_SUFFIX=conf/omsagent.d/npmd.conf
DF_TMP_DIR=$VAR_DIR/tmp
DF_RUN_DIR=$VAR_DIR/run
DF_STATE_DIR=$VAR_DIR/state
DF_LOG_DIR=$VAR_DIR/log
DF_CERT_DIR=$ETC_DIR/certs
DF_CONF_DIR=$ETC_DIR/conf
TMP_DIR=$DF_TMP_DIR
CERT_DIR=$DF_CERT_DIR
CONF_DIR=$DF_CONF_DIR
SYSCONF_DIR=$ETC_DIR/sysconf
# Optional file with initial onboarding credentials
FILE_ONBOARD=/etc/omsagent-onboard.conf
# Generated conf file containing information for this script
CONF_OMSADMIN=$CONF_DIR/omsadmin.conf
# Omsagent daemon configuration
CONF_OMSAGENT=$CONF_DIR/omsagent.conf
# Omsagent proxy configuration
CONF_PROXY=$ETC_DIR/proxy.conf
PRE_MH_CONF_PROXY=$DF_CONF_DIR/proxy.conf
# File with OS information for telemetry
OS_INFO=/etc/opt/microsoft/scx/conf/scx-release
# Service Control script
SERVICE_CONTROL=/opt/microsoft/omsagent/bin/service_control
# File with information about the agent installed
INSTALL_INFO=/etc/opt/microsoft/omsagent/sysconf/installinfo.txt
# Ruby helpers
RUBY=/opt/microsoft/omsagent/ruby/bin/ruby
AUTH_KEY_SCRIPT=/opt/microsoft/omsagent/bin/auth_key.rb
TOPOLOGY_REQ_SCRIPT=/opt/microsoft/omsagent/plugin/agent_topology_request_script.rb
MAINTENANCE_TASKS_SCRIPT=/opt/microsoft/omsagent/plugin/agent_maintenance_script.rb
# Ruby error codes
AGENT_MAINTENANCE_MISSING_CONFIG_FILE=4
AGENT_MAINTENANCE_MISSING_CONFIG=5
AGENT_MAINTENANCE_ERROR_WRITING_TO_FILE=12
METACONFIG_PY=/opt/microsoft/omsconfig/Scripts/OMS_MetaConfigHelper.py
# Certs
FILE_KEY=$CERT_DIR/oms.key
FILE_CRT=$CERT_DIR/oms.crt
# Temporary files
SHARED_KEY_FILE=$TMP_DIR/shared_key
BODY_ONBOARD=$TMP_DIR/body_onboard.xml
RESP_ONBOARD=$TMP_DIR/resp_onboard.xml
ENDPOINT_FILE=$TMP_DIR/endpoints
AGENT_USER=omsagent
AGENT_GROUP=omiusers
# Default settings
URL_TLD=opinsights.azure.com
WORKSPACE_ID=""
AGENT_GUID=""
LOG_FACILITY=local0
CERTIFICATE_UPDATE_ENDPOINT=""
VERBOSE=0
AZURE_RESOURCE_ID=""
OMSCLOUD_ID=""
UUID=""
USER_ID=`id -u`
MULTI_HOMING_MARKER=
DEFAULT_SYSLOG_PORT=25224
DEFAULT_MONITOR_AGENT_PORT=25324
SYSLOG_PORT=$DEFAULT_SYSLOG_PORT
MONITOR_AGENT_PORT=$DEFAULT_MONITOR_AGENT_PORT
# SCOM variables
SCX_SSL_CONFIG=/opt/microsoft/scx/bin/tools/scxsslconfig
OMI_CONF_FILE=/etc/opt/omi/conf/omiserver.conf
OMI_CONF_EDITOR=/opt/omi/bin/omiconfigeditor
# Space seperated list of non oms workspaces
NON_OMS_WS="scom LAD"
# Error codes and categories:
# User configuration/parameters:
INVALID_OPTION_PROVIDED=2
INVALID_CONFIG_PROVIDED=3
INVALID_PROXY=4
# Service-related:
ERROR_ONBOARDING_403=5
ERROR_ONBOARDING_NON_200_HTTP=6
# Network-related:
ERROR_RESOLVING_HOST=7
ERROR_ONBOARDING=8
# Internal errors:
INTERNAL_ERROR=30
RUBY_ERROR_GENERATING_GUID=31
ERROR_GENERATING_CERTS=32
ERROR_GENERATING_METACONFIG=33
ERROR_METACONFIG_PY_NOT_PRESENT=34
# curl error codes:
CURL_PROXY_RESOLVE_ERROR=5
CURL_HOST_RESOLVE_ERROR=6
CURL_CONNECT_HOST_ERROR=7
usage()
{
local basename=`basename $0`
echo
echo "Maintenance tool for OMS:"
echo "Onboarding:"
echo "$basename -w <workspace id> -s <shared key> [-d <top level domain>]"
echo
echo "List Workspaces:"
echo "$basename -l"
echo
echo "Remove Workspace:"
echo "$basename -x <workspace id>"
echo
echo "Remove All Workspaces:"
echo "$basename -X"
echo
echo "Update workspace configuration and folder structure to multi-homing schema:"
echo "$basename -U"
echo
echo "Onboard the workspace with a multi-homing marker. The workspace will be regarded as secondary."
echo "$basename -m <multi-homing marker>"
echo
echo "Define proxy settings ('-u' will prompt for password):"
echo "$basename [-u user] -p host[:port]"
echo
echo "Azure resource ID:"
echo "$basename -a <Azure resource ID>"
echo
echo "Detect if omiserver is listening to SCOM port:"
echo "$basename -o"
}
set_user_agent()
{
USER_AGENT=LinuxMonitoringAgent/`head -1 $INSTALL_INFO | awk '{print $1}'`
}
check_user()
{
if [ "$USER_ID" -ne "0" -a `id -un` != "$AGENT_USER" ]; then
log_error "This script must be run as root or as the $AGENT_USER user."
exit 1
fi
}
chown_omsagent()
{
# When this script is run as root, we still have to make sure the generated
# files are owned by omsagent for everything to work properly
[ "$USER_ID" -eq "0" ] && chown $AGENT_USER:$AGENT_GROUP $@ > /dev/null 2>&1
return 0
}
save_config()
{
#Save configuration
echo WORKSPACE_ID=$WORKSPACE_ID > $CONF_OMSADMIN
echo AGENT_GUID=$AGENT_GUID >> $CONF_OMSADMIN
echo LOG_FACILITY=$LOG_FACILITY >> $CONF_OMSADMIN
echo CERTIFICATE_UPDATE_ENDPOINT=$CERTIFICATE_UPDATE_ENDPOINT >> $CONF_OMSADMIN
echo URL_TLD=$URL_TLD >> $CONF_OMSADMIN
echo DSC_ENDPOINT=$DSC_ENDPOINT >> $CONF_OMSADMIN
echo OMS_ENDPOINT=https://$WORKSPACE_ID.ods.$URL_TLD/OperationalData.svc/PostJsonDataItems >> $CONF_OMSADMIN
echo AZURE_RESOURCE_ID=$AZURE_RESOURCE_ID >> $CONF_OMSADMIN
echo OMSCLOUD_ID=$OMSCLOUD_ID | tr -d ' ' >> $CONF_OMSADMIN
echo UUID=$UUID | tr -d ' ' >> $CONF_OMSADMIN
chown_omsagent "$CONF_OMSADMIN"
}
update_azure_resource_id()
{
sed -i "s,\(AZURE_RESOURCE_ID=\)\(.*\),\1$AZURE_RESOURCE_ID," $CONF_OMSADMIN
echo "Azure Resource ID updated."
}
cleanup()
{
rm "$BODY_ONBOARD" "$RESP_ONBOARD" "$ENDPOINT_FILE" > /dev/null 2>&1 || true
}
# This helper should only be called in the cases when certs have been created but onboarding failed.
cleanup_certs()
{
rm "$FILE_CRT" "$FILE_KEY" > /dev/null 2>&1 || true
}
clean_exit()
{
cleanup
exit $1
}
log_info()
{
echo -e "info\t$1"
logger -i -p "$LOG_FACILITY".info -t omsagent "$1"
}
log_warning()
{
echo -e "warning\t$1"
logger -i -p "$LOG_FACILITY".warning -t omsagent "$1"
}
log_error()
{
echo -e "error\t$1"
logger -i -p "$LOG_FACILITY".err -t omsagent "$1"
}
parse_args()
{
local OPTIND opt
while getopts "h?s:w:d:vp:u:a:lx:XUm:oR" opt; do
case "$opt" in
h|\?)
usage
clean_exit 0
;;
s)
ONBOARDING=1
SHARED_KEY=$OPTARG
;;
w)
ONBOARDING=1
WORKSPACE_ID=$OPTARG
;;
d)
ONBOARDING=1
URL_TLD=$OPTARG
;;
v)
VERBOSE=1
CURL_VERBOSE=-v
;;
p)
PROXY_HOST=$OPTARG
;;
u)
PROXY_USER=$OPTARG
;;
a)
AZURE_RESOURCE_ID=$OPTARG
;;
l)
LIST_WORKSPACES=1
;;
x)
REMOVE=1
WORKSPACE_ID=$OPTARG
;;
X)
REMOVE_ALL=1
;;
U)
UPDATE_WORKSPACES=1
;;
m)
MULTI_HOMING_MARKER=$OPTARG
;;
o)
DETECT_SCOM=1
;;
R)
RECONSTRUCT_WORKSPACE_STATE=1
;;
esac
done
shift $((OPTIND-1))
if [ "$@ " != " " ]; then
log_error "Parsing error: '$@' is unparsed"
usage
clean_exit $INVALID_OPTION_PROVIDED
fi
if [ -n "$PROXY_USER" -a -z "$PROXY_HOST" ]; then
log_error "Cannot specify the proxy user without specifying the proxy host"
usage
clean_exit $INVALID_PROXY
fi
if [ -n "$PROXY_HOST" ]; then
if [ -n "$PROXY_USER" ]; then
read -s -p "Proxy password for $PROXY_USER: " PROXY_PASS
echo
create_proxy_conf "$PROXY_USER:$PROXY_PASS@$PROXY_HOST"
else
create_proxy_conf "$PROXY_HOST"
fi
fi
if [ $VERBOSE -eq 0 ]; then
# Suppress curl output
CURL_VERBOSE=-s
fi
}
create_proxy_conf()
{
local conf_proxy_content=$1
touch $CONF_PROXY
chown_omsagent $CONF_PROXY
chmod 600 $CONF_PROXY
echo -n $conf_proxy_content > $CONF_PROXY
log_info "Created proxy configuration: $CONF_PROXY"
}
copy_proxy_conf_from_pre_mh_loc()
{
# Expected behavior is to use new proxy location first, then fallback to
# the pre-multi-homing location, then assume no proxy is configured
# In future: change from cp to mv once all plugins have been updated to use new location
if [ -f "$PRE_MH_CONF_PROXY" ]; then
echo "Moving proxy configuration from file $PRE_MH_CONF_PROXY to $CONF_PROXY..."
cp -pf $PRE_MH_CONF_PROXY $CONF_PROXY
fi
}
set_proxy_setting()
{
if [ -n "$PROXY" ]; then
PROXY_SETTING="--proxy $PROXY"
create_proxy_conf "$PROXY"
return
fi
local conf_proxy_content=""
[ -r "$CONF_PROXY" ] && conf_proxy_content=`cat $CONF_PROXY`
if [ -n "$conf_proxy_content" ]; then
PROXY_SETTING="--proxy $conf_proxy_content"
log_info "Using proxy settings from '$CONF_PROXY'"
fi
}
is_scom_port_open()
{
$OMI_CONF_EDITOR httpsport -q 1270 < $OMI_CONF_FILE > /dev/null 2>&1
if [ $? -eq 1 ]; then
return 1
fi
echo "Port 1270 already open"
return 0
}
onboard_scom()
{
echo "Onboarding SCOM"
create_workspace_directories "scom"
if [ ! -f $CERT_DIR/scom-cert.pem ] || [ ! -f $CERT_DIR/scom-key.pem ]; then
echo "Generating SCOM certificates..."
# Generate client auth cert using scxsslconfig tool.
$SCX_SSL_CONFIG -c -g $CERT_DIR
if [ $? -ne 0 ]; then
log_error "Error generating certs"
clean_exit 1
fi
# Rename cert/key to more meaningful name
mv $CERT_DIR/omi-host-*.pem $CERT_DIR/scom-cert.pem
mv $CERT_DIR/omikey.pem $CERT_DIR/scom-key.pem
rm -f $CERT_DIR/omi.pem
chown_omsagent $CERT_DIR/scom-cert.pem
chown_omsagent $CERT_DIR/scom-key.pem
fi
touch $CONF_DIR/omsagent.conf
update_path $CONF_DIR/omsagent.conf
chown_omsagent $CONF_DIR/*
make_dir $CONF_DIR/omsagent.d
#Always register SCOM as secondary Workspace
echo "SCOM Workspace" > $CONF_DIR/.multihoming_marker
configure_logrotate
#Open port 1270 if not already open
is_scom_port_open
if [ $? -eq 1 ]; then
echo "Opening port 1270"
$OMI_CONF_EDITOR httpsport -a 1270 < $OMI_CONF_FILE > /etc/opt/omi/conf/omiserver.conf_temp
mv /etc/opt/omi/conf/omiserver.conf_temp $OMI_CONF_FILE
# Restart OMI
/opt/omi/bin/service_control restart
fi
}
onboard_lad()
{
echo "Onboarding LAD"
create_workspace_directories "LAD"
touch $CONF_DIR/omsagent.conf
echo "@include omsagent.d/*" > $CONF_DIR/omsagent.conf
chown_omsagent $CONF_DIR/*
make_dir $CONF_DIR/omsagent.d
#Always register LAD as secondary Workspace
echo "LAD Workspace" > $CONF_DIR/.multihoming_marker
save_config
configure_logrotate
}
onboard()
{
if [ $VERBOSE -eq 1 ]; then
# Mask the shared key
local shared_key_trunc=`echo "$SHARED_KEY" | cut -c 1-4 2> /dev/null`
local shared_key_covered=`echo "$SHARED_KEY" | tr "$SHARED_KEY" "*" | cut -c 5- 2> /dev/null`
echo "Workspace ID: $WORKSPACE_ID"
echo "Shared key: $shared_key_trunc$shared_key_covered"
echo "Top Level Domain: $URL_TLD"
fi
if [ "$WORKSPACE_ID" = "scom" ]; then
onboard_scom
clean_exit $?
fi
if [ "$WORKSPACE_ID" = "LAD" ]; then
onboard_lad
clean_exit $?
fi
local error=0
if [ -z "$WORKSPACE_ID" -o -z "$SHARED_KEY" ]; then
log_error "Missing Workspace ID or Shared Key information for onboarding"
clean_exit $INVALID_CONFIG_PROVIDED
fi
if echo "$WORKSPACE_ID" | grep -Eqv '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'; then
log_error "The Workspace ID is not valid"
clean_exit $INVALID_CONFIG_PROVIDED
fi
if [ ! -z "$AZURE_RESOURCE_ID" ]; then
update_azure_resource_id
fi
# If a test is not in progress then call service_control to check on the workspace status
if [ -z "$TEST_WORKSPACE_ID" -a -z "$TEST_SHARED_KEY" ]; then
$SERVICE_CONTROL is-running $WORKSPACE_ID > /dev/null 2>&1
if [ $? -eq 1 ]; then
echo "Workspace $WORKSPACE_ID already onboarded and agent is running."
if [ -z "$MULTI_HOMING_MARKER" -a ! -h $DF_CONF_DIR ]; then
echo "Symbolic links have not been created; re-onboarding to create them"
else
return 0
fi
fi
fi
create_workspace_directories $WORKSPACE_ID
# Guard against blank omsadmin.conf
local omsadmin_contents="`cat $CONF_OMSADMIN 2> /dev/null`"
if [ -f $FILE_KEY -a -f $FILE_CRT -a -f $CONF_OMSADMIN -a -n "$omsadmin_contents" ]; then
# Keep the same agent GUID by loading it from the previous conf
AGENT_GUID=`grep AGENT_GUID $CONF_OMSADMIN | cut -d= -f2`
log_info "Reusing previous agent GUID $AGENT_GUID"
else
AGENT_GUID=`$RUBY -e "require 'securerandom'; print SecureRandom.uuid"`
if [ $? -ne 0 -o -z "$AGENT_GUID" ]; then
log_error "Error generating agent GUID"
clean_exit $RUBY_ERROR_GENERATING_GUID
fi
$RUBY $MAINTENANCE_TASKS_SCRIPT -c "$CONF_OMSADMIN" "$FILE_CRT" "$FILE_KEY" "$RUN_DIR/omsagent.pid" "$CONF_PROXY" "$OS_INFO" "$INSTALL_INFO" -w "$WORKSPACE_ID" -a "$AGENT_GUID" $CURL_VERBOSE
generate_certs_ret=$?
if [ $generate_certs_ret -eq $AGENT_MAINTENANCE_MISSING_CONFIG ]; then
log_error "Error generating certs: missing config"
clean_exit $INTERNAL_ERROR
elif [ $generate_certs_ret -ne 0 ]; then
log_error "Error generating certs"
clean_exit $ERROR_GENERATING_CERTS
fi
fi
if [ -z "$AGENT_GUID" ]; then
log_error "AGENT_GUID should not be empty"
return $INTERNAL_ERROR
else
log_info "Agent GUID is $AGENT_GUID"
fi
if [ "$VERBOSE" = "1" ]; then
log_info "Private Key stored in: $FILE_KEY"
log_info "Public Key stored in: $FILE_CRT"
# Public key can be verified with a command like: openssl x509 -text -in oms.crt
fi
# Generate the body first so we can compute a SHA256 on the body
REQ_DATE=`date +%Y-%m-%dT%T.%N%:z`
CERT_SERVER=`cat $FILE_CRT | awk 'NR>2 { print line } { line = $0 }'`
# append telemetry to $BODY_ONBOARD
`$RUBY $TOPOLOGY_REQ_SCRIPT -t "$BODY_ONBOARD" "$OS_INFO" "$CONF_OMSADMIN" "$AGENT_GUID" "$CERT_SERVER" "$RUN_DIR/omsagent.pid"`
[ $? -ne 0 ] && log_error "Error appending Telemetry during Onboarding."
cat /dev/null > "$SHARED_KEY_FILE"
chmod 600 "$SHARED_KEY_FILE"
echo -n "$SHARED_KEY" >> "$SHARED_KEY_FILE"
AUTHS=`$RUBY $AUTH_KEY_SCRIPT $REQ_DATE $BODY_ONBOARD $SHARED_KEY_FILE`
rm "$SHARED_KEY_FILE"
CONTENT_HASH=`echo $AUTHS | cut -d" " -f1`
AUTHORIZATION_KEY=`echo $AUTHS | cut -d" " -f2`
if [ $VERBOSE -ne 0 ]; then
# Mask the certificate in the request
local body_no_newlines="`cat $BODY_ONBOARD | tr -d '\n' 2> /dev/null`"
local cert_tag="AuthenticationCertificate"
local hidden_cert="********"
echo
echo "Generated request:"
echo "$body_no_newlines" | sed "s/<$cert_tag>[^<]*<\/$cert_tag>/<$cert_tag>$hidden_cert<\/$cert_tag>/g"
echo
fi
set_proxy_setting
if [ "`which dmidecode > /dev/null 2>&1; echo $?`" = 0 ]; then
UUID=`dmidecode | grep UUID | sed -e 's/UUID: //'`
OMSCLOUD_ID=`dmidecode | grep "Tag: 77" | sed -e 's/Asset Tag: //'`
elif [ -f /sys/devices/virtual/dmi/id/chassis_asset_tag ]; then
ASSET_TAG=$(cat /sys/devices/virtual/dmi/id/chassis_asset_tag)
case "$ASSET_TAG" in
77*) OMSCLOUD_ID=$ASSET_TAG ;; # If the asset tag begins with a 77 this is the azure guid
esac
fi
#This is a temporary fix for Systems with Curl versions using HTTP\2 as default
#Since 7.47.0, the curl tool enables HTTP/2 by default for HTTPS connections. This fix runs curl with --http1.1 on systems with version above 7.47.0
#Curl http2 Docs Link: https://curl.haxx.se/docs/http2.html
CURL_VERSION_WITH_DEFAULT_HTTP2="7470"
CURL_VERSION_SYSTEM=`curl --version | head -c11 | awk '{print $2}' | tr --delete .`
if [ $CURL_VERSION_SYSTEM -gt $CURL_VERSION_WITH_DEFAULT_HTTP2 ]; then
CURL_HTTP_COMMAND="--http1.1"
fi
RET_CODE=`curl --header "x-ms-Date: $REQ_DATE" \
--header "x-ms-version: August, 2014" \
--header "x-ms-SHA256_Content: $CONTENT_HASH" \
--header "Authorization: $WORKSPACE_ID; $AUTHORIZATION_KEY" \
--header "User-Agent: $USER_AGENT" \
--header "Accept-Language: en-US" \
--insecure \
$CURL_HTTP_COMMAND \
--data-binary @$BODY_ONBOARD \
--cert "$FILE_CRT" --key "$FILE_KEY" \
--output "$RESP_ONBOARD" $CURL_VERBOSE \
--write-out "%{http_code}\n" $PROXY_SETTING \
https://${WORKSPACE_ID}.oms.${URL_TLD}/AgentService.svc/LinuxAgentTopologyRequest` || error=$?
if [ $error -eq $CURL_HOST_RESOLVE_ERROR -a -z "$PROXY_SETTING" ]; then
log_error "Error resolving host during the onboarding request. Check the correctness of the workspace ID and the internet connectivity, or add a proxy."
cleanup_certs
return $ERROR_RESOLVING_HOST
elif [ $error -eq $CURL_PROXY_RESOLVE_ERROR -a -n "$PROXY_SETTING" ]; then
log_error "Proxy could not be resolved during the onboarding request. Verify the proxy."
cleanup_certs
return $INVALID_PROXY
elif [ $error -eq $CURL_CONNECT_HOST_ERROR -a -n "$PROXY_SETTING" ]; then
log_error "Error connecting to OMS service through proxy. Verify the proxy."
cleanup_certs
return $INVALID_PROXY
elif [ $error -ne 0 ]; then
log_error "Error during the onboarding request: curl returned $error. Check the correctness of the workspace ID and shared key or run omsadmin.sh with '-v'"
cleanup_certs
return $ERROR_ONBOARDING
fi
if [ "$RET_CODE" = "200" ]; then
$RUBY $MAINTENANCE_TASKS_SCRIPT --endpoints "$RESP_ONBOARD","$ENDPOINT_FILE" "$CONF_OMSADMIN" "$FILE_CRT" "$FILE_KEY" "$RUN_DIR/omsagent.pid" "$CONF_PROXY" "$OS_INFO" "$INSTALL_INFO" $CURL_VERBOSE
endpoints_ret=$?
if [ $endpoints_ret -eq $AGENT_MAINTENANCE_MISSING_CONFIG_FILE ]; then
log_error "Onboarding response is missing; certificate update and DSC endpoints were not extracted."
elif [ $endpoints_ret -eq $AGENT_MAINTENANCE_ERROR_WRITING_TO_FILE ]; then
log_error "Endpoint file could not be written to; certificate update and DSC endpoints were not saved."
elif [ $endpoints_ret -ne 0 ]; then
log_warning "During onboarding request, certificate update and DSC endpoints may not have been saved."
else
log_info "Onboarding success"
fi
# Get CERTIFICATE_UPDATE_ENDPOINT and DSC_ENDPOINT variables from output file
if [ -e "$ENDPOINT_FILE" ]; then
CERTIFICATE_UPDATE_ENDPOINT=`sed -n '1p' < $ENDPOINT_FILE`
DSC_ENDPOINT=`sed -n '2p' < $ENDPOINT_FILE`
fi
elif [ "$RET_CODE" = "403" ]; then
REASON=`cat $RESP_ONBOARD | sed -n 's:.*<Reason>\(.*\)</Reason>.*:\1:p'`
log_error "Error onboarding. HTTP code 403, Reason: $REASON. Check the Workspace ID, Workspace Key and that the time of the system is correct."
cleanup_certs
return $ERROR_ONBOARDING_403
else
log_error "Error onboarding. HTTP code $RET_CODE"
cleanup_certs
return $ERROR_ONBOARDING_NON_200_HTTP
fi
save_config
copy_omsagent_conf
if [ -z "$MULTI_HOMING_MARKER" ]; then
# update the default folders when onboard to a workspace as primary
# this is the default behavior
update_symlinks
else
# do not update the default folders when onboard the workspace as secondary
# leave a marker in the etc folder of the workspace to indicate the partner
echo $MULTI_HOMING_MARKER > $CONF_DIR/.multihoming_marker
fi
#Initialize empty syslog daemon conf file with no default collection
configure_syslog
configure_monitor_agent
configure_logrotate
# If a test is not in progress then register omsagent as a service and start the agent
if [ -z "$TEST_WORKSPACE_ID" -a -z "$TEST_SHARED_KEY" ]; then
$SERVICE_CONTROL start $WORKSPACE_ID
if [ -z "$MULTI_HOMING_MARKER" ]; then
# Configure omsconfig when the workspace is primary
# This is a temp solution since the DSC doesn't support multi-homing now
# Only the primary workspace receives the configuration from the DSC service
# Set up a cron job to run the OMSConsistencyInvoker every 15 minutes
# This should be done regardless of MetaConfig creation
if [ ! -f /etc/cron.d/OMSConsistencyInvoker ]; then
echo "*/15 * * * * $AGENT_USER /opt/omi/bin/OMSConsistencyInvoker >/dev/null 2>&1" > /etc/cron.d/OMSConsistencyInvoker
fi
if [ ! -f $METACONFIG_PY ]; then
log_error "MetaConfig generation script not available at $METACONFIG_PY"
return $ERROR_METACONFIG_PY_NOT_PRESENT
fi
if [ "$USER_ID" -eq "0" ]; then
su - $AGENT_USER -c $METACONFIG_PY > /dev/null || error=$?
else
$METACONFIG_PY > /dev/null || error=$?
fi
if [ $error -eq 0 ]; then
log_info "Configured omsconfig"
else
log_error "Error configuring omsconfig. Error: $error"
return $ERROR_GENERATING_METACONFIG
fi
fi
fi
return 0
}
remove_workspace()
{
setup_workspace_variables $WORKSPACE_ID
if [ -d "$CONF_DIR" ]; then
log_info "Disable workspace: $WORKSPACE_ID"
$SERVICE_CONTROL disable $WORKSPACE_ID
else
log_error "Workspace $WORKSPACE_ID doesn't exist"
fi
log_info "Cleanup the folders"
local port=$DEFAULT_SYSLOG_PORT
if [ -e "$CONF_DIR/omsagent.d/syslog.conf" ]; then
port=`grep 'port .*' $CONF_DIR/omsagent.d/syslog.conf | cut -d ' ' -f4`
fi
/opt/microsoft/omsagent/bin/configure_syslog.sh unconfigure $WORKSPACE_ID ${port}
if [ -f "$NPM_CONF_WS" -a -d "$NPM_DIR" ]; then
log_info "Removing NPM state directory in $WORKSPACE_ID removal"
rm -rf $NPM_DIR > /dev/null 2>&1
fi
rm -rf "$VAR_DIR_WS" "$ETC_DIR_WS" > /dev/null 2>&1
rm -f /etc/logrotate.d/omsagent-$WORKSPACE_ID > /dev/null 2>&1
reset_default_workspace
}
reset_default_workspace()
{
if [ -h $DF_CONF_DIR -a ! -d $DF_CONF_DIR ]; then
# default conf folder is removed, remove the symlinks
rm "$DF_TMP_DIR" "$DF_RUN_DIR" "$DF_STATE_DIR" "$DF_LOG_DIR" "$DF_CERT_DIR" "$DF_CONF_DIR" > /dev/null 2>&1
fi
}
remove_all()
{
for ws_id in `ls -1 $ETC_DIR | grep -E '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'`
do
WORKSPACE_ID=${ws_id}
remove_workspace
done
# Remove non-OMS "workspaces"
for ws_id in $NON_OMS_WS
do
ls -l $ETC_DIR | grep -w "$ws_id" > /dev/null 2>&1
if [ $? -eq 0 ]; then
WORKSPACE_ID="$ws_id"
remove_workspace
fi
done
}
show_workspace_status()
{
local ws_conf_dir=$1
local ws_id=$2
local is_primary=$3
local status='Unknown'
# 1 if omsagent-ws_id is running, 0 otherwise
$SERVICE_CONTROL is-running $ws_id
if [ $? -eq 1 ]; then
status='Onboarded(OMSAgent Running)'
elif [ -f ${ws_conf_dir}/.service_registered ]; then
status='Warning(OMSAgent Registered, Not Running)'
elif [ -f ${ws_conf_dir}/omsadmin.conf ]; then
status='Saved(OMSAgent Not Registered, Workspace Configuration Saved)'
else
status='Failure(Agent Not Onboarded, No Workspace Configuration Present)'
fi
local mh_marker=
if [ -f ${ws_conf_dir}/.multihoming_marker ]; then
mh_marker="(`cat ${ws_conf_dir}/.multihoming_marker`)"
fi
if [ ${is_primary} -eq 1 ]; then
echo "Primary Workspace: ${ws_id} Status: ${status}"
else
echo "Workspace${mh_marker}: ${ws_id} Status: ${status}"
fi
}
list_scom_workspace()
{
ls -1 $ETC_DIR | grep -w scom > /dev/null 2>&1
if [ $? -eq 0 ]; then
show_workspace_status $ETC_DIR/scom/conf scom 0
return 1
fi
return 0
}
list_workspaces()
{
local found_ws=0
local ws_conf_dir=$ETC_DIR/conf
if [ -h ${ws_conf_dir} ]; then
# symbolic link - multiple workspace folder structure
local primary_ws_id=''
if [ -f ${ws_conf_dir}/omsadmin.conf ]; then
primary_ws_id=`grep WORKSPACE_ID ${ws_conf_dir}/omsadmin.conf | cut -d= -f2`
fi
if [ "${primary_ws_id}" != "" ]; then
found_ws=1
show_workspace_status ${ws_conf_dir} ${primary_ws_id} 1
fi
for ws_id in `ls -1 $ETC_DIR | grep -E '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'`
do
if [ "${primary_ws_id}" != "${ws_id}" ]; then
found_ws=1
show_workspace_status $ETC_DIR/${ws_id}/conf ${ws_id} 0
fi
done
elif [ -d ${ws_conf_dir} ]; then
# directory - single workspace folder structure
local ws_id=''
if [ -f ${ws_conf_dir}/omsadmin.conf ]; then
ws_id=`grep WORKSPACE_ID ${ws_conf_dir}/omsadmin.conf | cut -d= -f2`
fi
if [ "${ws_id}" != "" ]; then
found_ws=1
show_workspace_status ${ws_conf_dir} ${ws_id} 1
fi
else
# no default conf folder, check all the potential workspace folders
for ws_id in `ls -1 $ETC_DIR | grep -E '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'`
do
found_ws=1
show_workspace_status $ETC_DIR/${ws_id}/conf ${ws_id} 0
done
fi
# check scom workspace
list_scom_workspace
if [ $? -eq 1 ]; then
found_ws=1
fi
if [ $found_ws -eq 0 ]; then
echo "No Workspace"
fi
return 0
}
migrate_pre_mh_workspace()
{
if [ -d $DF_CONF_DIR -a ! -h $DF_CONF_DIR -a -f $DF_CONF_DIR/omsadmin.conf ]; then
WORKSPACE_ID=`grep WORKSPACE_ID $DF_CONF_DIR/omsadmin.conf | cut -d= -f2`
if [ $? -ne 0 -o -z $WORKSPACE_ID ]; then
echo "WORKSPACE_ID is not found. Skip migration."
return
else
echo "Migrating to multi-homing folder structure..."
fi
create_workspace_directories $WORKSPACE_ID
cp -rpf $DF_TMP_DIR $VAR_DIR_WS
cp -rpf $DF_STATE_DIR $VAR_DIR_WS
cp -rpf $DF_RUN_DIR $VAR_DIR_WS
cp -rpf $DF_LOG_DIR $VAR_DIR_WS
cp -rpf $DF_CERT_DIR $ETC_DIR_WS
cp -rpf $DF_CONF_DIR $ETC_DIR_WS
copy_omsagent_d_conf
migrate_pre_mh_omsagent_conf
sed -i s,%SYSLOG_PORT%,$DEFAULT_SYSLOG_PORT,1 $CONF_DIR/omsagent.d/syslog.conf
sed -i s,%MONITOR_AGENT_PORT%,$DEFAULT_MONITOR_AGENT_PORT,1 $CONF_DIR/omsagent.d/monitor.conf
update_symlinks
elif [ -d $DF_CONF_DIR -a ! -h $DF_CONF_DIR ]; then
# In some upgrade cases, conf and conf/omsagent.d directories are created and are empty
# Remove these directories if they are empty
rmdir $DF_CONF_DIR/omsagent.d 2> /dev/null
rmdir $DF_CONF_DIR 2> /dev/null
fi
}
migrate_pre_mh_omsagent_conf()
{
# migrate the omsagent.conf
cp -pf $CONF_DIR/omsagent.conf $CONF_DIR/omsagent.conf.bak
# remove the syslog configuration. it has been moved to omsagent.d/syslog.conf
cat $CONF_DIR/omsagent.conf.bak | sed '/port 25224/,+4 d' | sed '/<filter oms\.syslog\.\*\*>/,+3 d' | tac | sed '/type syslog/,+1 d' | tac > $CONF_DIR/omsagent.conf
# update the heartbeat configure to use the fake command
sed -i s,"command /opt/microsoft/omsagent/bin/omsadmin.sh -b > /dev/null","command echo > /dev/null",1 $CONF_DIR/omsagent.conf
# add the workspace conf, cert and key to the output plugins
sed -i s,".*buffer_chunk_limit.*","\n omsadmin_conf_path $CONF_DIR/omsadmin.conf\n cert_path $CERT_DIR/oms.crt\n key_path $CERT_DIR/oms.key\n\n&",g $CONF_DIR/omsagent.conf
# update the workspace state folder
sed -i s,"/var/opt/microsoft/omsagent/state",$STATE_DIR,g $CONF_DIR/omsagent.conf
}
update_omsagent_d_conf()
{
# Parameter: Workspace ID for the folder to update
setup_workspace_variables $1
WS_OMSAGENT_D_DIR=$CONF_DIR/omsagent.d
if [ ! -d "$WS_OMSAGENT_D_DIR" ]; then
echo "$WS_OMSAGENT_D_DIR does not exist; skipping update in this directory."
return
fi
# Note: if syslog.conf, monitor.conf, or other configuration files using a port must be updated
# during version upgrade, then new functionality will have to be added here
copy_no_port_omsagent_d_conf $WS_OMSAGENT_D_DIR
chown_omsagent $WS_OMSAGENT_D_DIR/*
}
# Update configuration and structure for all configured workspaces
update_workspaces()
{
local error=0
# Updating from pre-multi-homing version
migrate_pre_mh_workspace || error=$?
# Updating from pre-multi-homing structure (somewhat present in versions >1.3)
copy_proxy_conf_from_pre_mh_loc || error=$?
# Updating configuration for all onboarded workspaces to latest shipped versions
for ws_id in `ls -1 $ETC_DIR | grep -E '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'`
do
update_omsagent_d_conf $ws_id || error=$?
done
if [ $error -ne 0 ]; then
clean_exit $error
fi
}
reconstruct_full_workspace_state()
{
for ws_id in `ls -1 $ETC_DIR | grep -E '^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$'`
do
WORKSPACE_ID=$ws_id
setup_workspace_variables $WORKSPACE_ID
if [ -f $CERT_DIR/oms.key -a -f $CERT_DIR/oms.crt -a -f $CONF_DIR/omsadmin.conf ]; then
local omsadmin_contents="`cat $CONF_DIR/omsadmin.conf 2> /dev/null`"
if [ -n "$omsadmin_contents" ]; then
# Create all workspace-specific directories; if they already exist, this is a NOOP
create_workspace_directories $WORKSPACE_ID
# If a test is not in progress, then syslog and logrotate can be set up
if [ -z "$TEST_WORKSPACE_ID" -a -z "$TEST_SHARED_KEY" ]; then
# During omsagent removal, log rotate files are removed; set up log rotate like in onboarding
configure_logrotate
# Note: we could re-configure syslog here, but it will overwrite user settings in some cases
fi
else
log_warning "Workspace $ws_id has an empty configuration file at $CONF_DIR/omsadmin.conf; please onboard to populate this configuration"
fi
else
log_warning "Workspace $ws_id has created a folder $ETC_DIR/$ws_id, but is missing certificates or configuration; please onboard"
fi
done
}
setup_workspace_variables()
{
VAR_DIR_WS=$VAR_DIR/$1
ETC_DIR_WS=$ETC_DIR/$1
TMP_DIR=$VAR_DIR_WS/tmp
STATE_DIR=$VAR_DIR_WS/state
RUN_DIR=$VAR_DIR_WS/run
LOG_DIR=$VAR_DIR_WS/log
CERT_DIR=$ETC_DIR_WS/certs
CONF_DIR=$ETC_DIR_WS/conf
NPM_CONF_WS=$ETC_DIR/$1/$NPM_CONF_FILE_SUFFIX
}
create_workspace_directories()
{
setup_workspace_variables $1
make_dir $VAR_DIR_WS
make_dir $ETC_DIR_WS
make_dir $TMP_DIR
make_dir $STATE_DIR
make_dir $RUN_DIR
make_dir $LOG_DIR
make_dir $CERT_DIR
make_dir $CONF_DIR
chmod 700 $CERT_DIR
# Generated conf file containing information for this script
CONF_OMSADMIN=$CONF_DIR/omsadmin.conf
# Omsagent daemon configuration
CONF_OMSAGENT=$CONF_DIR/omsagent.conf
# Certs
FILE_KEY=$CERT_DIR/oms.key
FILE_CRT=$CERT_DIR/oms.crt
# Temporary files