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| from charmhelpers.core.hookenv import log, status_set | |
| from charms.reactive import is_state, set_state, when, when_not | |
| from charms.reactive.helpers import data_changed | |
| # No states are emitted from this charm. This is simply Ubuntu with a few | |
| # VCS tools installed. The usefulness of this charm comes by way of the | |
| # relations it supports (java, xlc, xlf). | |
| @when_not('ubuntu-devenv.installed') | |
| def install(): | |
| """Set the installed state. | |
| The install function doesn't need to do anything (vcs packages are | |
| installed with the base layer options). Set our installed state and an | |
| active status message. | |
| """ | |
| set_state('ubuntu-devenv.installed') | |
| status_set('active', 'devenv ready') | |
| @when('ubuntu-devenv.installed') | |
| def update_status(): | |
| """Update status based on related charm states.""" | |
| ready_services = [] | |
| if is_state('db2.ready'): | |
| ready_services.append('db2') | |
| if is_state('java.ready'): | |
| ready_services.append('java') | |
| if is_state('mysql.available'): | |
| ready_services.append('mysql') | |
| if is_state('pgsql.database.available'): | |
| ready_services.append('pgsql') | |
| if is_state('xlc.ready'): | |
| ready_services.append('xlc') | |
| if is_state('xlf.ready'): | |
| ready_services.append('xlf') | |
| if ready_services: | |
| status_suffix = ' with: %s' % (', '.join(ready_services)) | |
| else: | |
| status_suffix = '' | |
| status_set('active', 'devenv ready%s' % (status_suffix)) | |
| @when('ubuntu-devenv.installed', 'db2.connected') | |
| def send_db2_details(db2): | |
| """ | |
| DB2 requires an ssh key to be sent from the client to the server before | |
| the relation will become ready. We don't actually need ssh access for this | |
| charm, so send an invalid string as our key. | |
| """ | |
| db2.set_ssh_keys("ssh-rsa invalid user") | |
| @when('ubuntu-devenv.installed', 'db2.ready') | |
| def log_db2_details(db2): | |
| """Log pertinent DB2-related details.""" | |
| if (data_changed('db2.host', db2.get_db2_hostname())): | |
| log("DB2 host: '%s'" % db2.get_db2_hostname()) | |
| log("DB2 port: '%s'" % db2.get_db2_port()) | |
| log("DB2 user: '%s'" % db2.get_dbusername()) | |
| log("DB2 pass: '%s'" % db2.get_dbuserpw()) | |
| log("DB2 db: '%s'" % db2.get_db2_dbnames()) | |
| @when('ubuntu-devenv.installed', 'java.ready') | |
| def log_java_details(java): | |
| """Log pertinent Java-related details.""" | |
| if (data_changed('java.version', java.java_version()) | |
| or data_changed('java.home', java.java_home())): | |
| log("Java (%s) using JAVA_HOME: '%s'" % | |
| (java.java_version(), java.java_home())) | |
| @when('ubuntu-devenv.installed', 'mysql.available') | |
| def log_mysql_details(mysql): | |
| """Log pertinent Mysql-related details.""" | |
| if (data_changed('mysql.host', mysql.host())): | |
| log("Mysql connection string: '%s'" % mysql.connection_string()) | |
| @when('ubuntu-devenv.installed', 'pgsql.database.available') | |
| def log_pgsql_details(pgsql): | |
| """Log pertinent Postgres-related details.""" | |
| if (data_changed('pgsql.host', pgsql.host())): | |
| log("Postgres connection string: '%s'" % pgsql.connection_string()) |